Company lists · Data refreshed September 2026
Top 25 IT infrastructure and security companies based in the United States
RevenueBase identified 15,956 company matches for IT infrastructure and security companies associated with the United States as of September 2026 and tracks 576,339 professional contacts across them, including 210,244 with verified work emails and 161,398 with mobile numbers. New York is the largest hub.
This list covers company matches for IT infrastructure and security companies associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 27, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest IT infrastructure and security companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 82,768 contacts → | ||||
Exact match “DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 45,903 contacts → | ||||
Exact match “We have the world’s best talent that design, run, and manage the most advanced and reliable technology infrastructure each day.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 18,431 contacts → | ||||
Exact match “Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 17,326 contacts → | ||||
Exact match “Broadcom's VMware software manages cloud complexity so customers can modernize infrastructure, accelerate app development, and protect workloads, wherever these reside.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 14,289 contacts → | ||||
Exact match “Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 13,155 contacts → | ||||
Exact match “At CDW, we know how to make technology work so people can do great things.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 12,231 contacts → | ||||
Exact match “Everforth Apex Systems, part of the Everforth ™ Network, is a leading global technology services company specializing in customizable industry-specific solutions that turns…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 8,242 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 6,734 contacts → | ||||
Exact match “Think of SHI as your personal technology concierge.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 4,448 contacts → | ||||
Exact match “Rubrik (NYSE: RBRK), the Security and AI company, operates at the intersection of data protection, cyber resilience and enterprise AI acceleration.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 3,798 contacts → | ||||
Exact match “At Presidio, speed and quality meet technology and innovation.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 3,667 contacts → | ||||
Exact match “Black Box is a global leader in digital infrastructure solutions, delivering network and system integration, managed services, and technology products to Fortune 100 and top…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 3,206 contacts → | ||||
Exact match “At Quest Software, we help organizations build modern, trusted foundations for AI.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 3,058 contacts → | ||||
Exact match “Qualys, Inc.(NASDAQ: QLYS) is a leading provider of disruptive cloud-based security, compliance and IT solutions with more than subscription customers worldwide, including a…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 2,933 contacts → | ||||
Exact match “GTT is a leading networking and security as a service provider for multinational organizations, simply and securely connecting people and machines to data and applications –…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 2,691 contacts → | ||||
Exact match “Ivanti is a global enterprise IT and security software company that provides the trusted data authority for AI-driven, autonomous endpoint management.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 2,342 contacts → | ||||
Exact match “Zones is a Global Solution Provider of end-to-end IT solutions with an unmatched supply chain.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 2,250 contacts → | ||||
Exact match “Park Place Technologies is the global leader in data center and networking optimization, we work with more than companies across the globe, boosting infrastructure performance…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 2,222 contacts → | ||||
Exact match “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 2,211 contacts → | ||||
Exact match “CBTS serves enterprise and midmarket clients in all industries across North America.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 21 | 1,906 contacts → | ||||
Exact match “Established in 1995, GURU is an IT managed service provider that specializes in infrastructure support, systems integration, data architecture, data hosting, and cloud services.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 22 | 1,846 contacts → | ||||
Exact match “New Era Technology is the AI, application, and infrastructure partner that simplifies, secures, and scales technology across modern work environments.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 23 | 1,800 contacts → | ||||
Exact match “IES Communications a division of IES (NASDAQ: IESC) provides each client with a team of highly qualified dedicated professionals that deliver superior quality and cost effective…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 24 | 1,749 contacts → | ||||
Exact match “ePlus is a customer-first, services-led, results-driven and trusted industry leader that helps organizations secure, modernize, optimize, and scale every aspect of their IT…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 25 | 1,683 contacts → | ||||
Exact match “DMI is a leading provider of digital services and technology solutions with a focus on end-to-end managed services, including managed mobility, cloud, cybersecurity, network…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “IT infrastructure and security companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 15,956 IT infrastructure and security companies based in the United States
See the full list, filter by size, metro and specialty, and access 210,244 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
IT infrastructure and security companies based in the United States at a glance
As of Sep 27, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 30.0dCompany record updated
Median 90.0dHow this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “IT infrastructure and security companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 210,244 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
IT infrastructure and security companies by metro
- IT infrastructure and security companies in New York469
- IT infrastructure and security companies in Houston320
- IT infrastructure and security companies in Dallas216
- IT infrastructure and security companies in Atlanta214
- IT infrastructure and security companies in Austin208
- IT infrastructure and security companies in Chicago207
- IT infrastructure and security companies in Miami194
- IT infrastructure and security companies in Los Angeles161
- IT infrastructure and security companies in San Diego133
- IT infrastructure and security companies in Washington133
- IT infrastructure and security companies in San Francisco130
- IT infrastructure and security companies in Tampa130
- IT infrastructure and security companies in Denver114
- IT infrastructure and security companies in Charlotte113
- IT infrastructure and security companies in Orlando102
- IT infrastructure and security companies in Phoenix98
- IT infrastructure and security companies in Irvine97
- IT infrastructure and security companies in San Jose96
- IT infrastructure and security companies in San Antonio94
- IT infrastructure and security companies in Las Vegas93
- IT infrastructure and security companies in Plano86
- IT infrastructure and security companies in Arlington85
- IT infrastructure and security companies in Columbia82
- IT infrastructure and security companies in Seattle79
- IT infrastructure and security companies in Boston74
- IT infrastructure and security companies in Frisco73
- IT infrastructure and security companies in Sheridan73
- IT infrastructure and security companies in Indianapolis69
- IT infrastructure and security companies in Wilmington69
- IT infrastructure and security companies in Herndon68
- IT infrastructure and security companies in Irving68
- IT infrastructure and security companies in Fort Lauderdale63
- IT infrastructure and security companies in Richmond63
- IT infrastructure and security companies in Reston62
- IT infrastructure and security companies in Ashburn61
- IT infrastructure and security companies in Columbus61
- IT infrastructure and security companies in Fairfax61
- IT infrastructure and security companies in Raleigh61
- IT infrastructure and security companies in Portland60
- IT infrastructure and security companies in Alpharetta56
- IT infrastructure and security companies in Mclean56
- IT infrastructure and security companies in Alexandria55
- IT infrastructure and security companies in Minneapolis55
- IT infrastructure and security companies in Cincinnati53
- IT infrastructure and security companies in St. Louis53
- IT infrastructure and security companies in Baltimore50
- IT infrastructure and security companies in Nashville48
- IT infrastructure and security companies in Scottsdale48
- IT infrastructure and security companies in Jacksonville47
- IT infrastructure and security companies in Newark46
- IT infrastructure and security companies in Pittsburgh46
- IT infrastructure and security companies in Rockville45
- IT infrastructure and security companies in Sacramento45
- IT infrastructure and security companies in Boca Raton43
- IT infrastructure and security companies in Louisville43
- IT infrastructure and security companies in Salt Lake City41
- IT infrastructure and security companies in Dover40
- IT infrastructure and security companies in Santa Clara39
- IT infrastructure and security companies in Springfield39
- IT infrastructure and security companies in Greenville38
- IT infrastructure and security companies in Philadelphia38
- IT infrastructure and security companies in Princeton38
- IT infrastructure and security companies in Troy38
- IT infrastructure and security companies in Kansas City36
- IT infrastructure and security companies in Leesburg36
- IT infrastructure and security companies in Albuquerque35
- IT infrastructure and security companies in Naperville35
- IT infrastructure and security companies in Schaumburg35
- IT infrastructure and security companies in Birmingham34
- IT infrastructure and security companies in Knoxville34
- IT infrastructure and security companies in Oklahoma City34
- IT infrastructure and security companies in Colorado Springs33
- IT infrastructure and security companies in Fort Worth33
- IT infrastructure and security companies in Omaha33
- IT infrastructure and security companies in Baton Rouge32
- IT infrastructure and security companies in Tucson32
- IT infrastructure and security companies in Chantilly31
- IT infrastructure and security companies in Rochester30
- IT infrastructure and security companies in Vienna30
- IT infrastructure and security companies in Cleveland29
- IT infrastructure and security companies in Grand Rapids29
- IT infrastructure and security companies in West Palm Beach29
- IT infrastructure and security companies in Bellevue28
- IT infrastructure and security companies in Huntsville28
- IT infrastructure and security companies in Mckinney28
- IT infrastructure and security companies in Manassas27
- IT infrastructure and security companies in Pleasanton27
- IT infrastructure and security companies in Sterling27
- IT infrastructure and security companies in Fremont26
- IT infrastructure and security companies in Gaithersburg26
- IT infrastructure and security companies in Reno26
- IT infrastructure and security companies in Tulsa26
- IT infrastructure and security companies in Duluth25
- IT infrastructure and security companies in Marietta25
- IT infrastructure and security companies in Overland Park25
- IT infrastructure and security companies in Richardson25
- IT infrastructure and security companies in Sarasota25
- IT infrastructure and security companies in Virginia Beach25
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “IT infrastructure and security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many IT infrastructure and security companies are there based in the United States?
RevenueBase identified 15,956 company matches for IT infrastructure and security companies associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
DXC Technology tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most IT infrastructure and security companies?
New York leads with 469 company records, followed by Houston (320) and Dallas (216).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 210,244 professional contacts with verified work emails tracked across these 15,956 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 15,956 IT infrastructure and security companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
IT infrastructure and security companies by geography
- IT infrastructure and security companies based in Brazil
- IT infrastructure and security companies based in the United Kingdom
- IT infrastructure and security companies based in Germany
- IT infrastructure and security companies based in Canada
- IT infrastructure and security companies based in France
- IT infrastructure and security companies based in Australia
- IT infrastructure and security companies based in Italy
- IT infrastructure and security companies based in Spain
- IT infrastructure and security companies based in the Netherlands
- IT infrastructure and security companies based in South Africa
- IT infrastructure and security companies based in Mexico
- IT infrastructure and security companies based in Poland
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- IT infrastructure and security companies based in Brazil
- IT infrastructure and security companies based in the United Kingdom
- IT infrastructure and security companies based in Germany
- IT infrastructure and security companies based in Canada
- IT infrastructure and security companies based in France
- IT infrastructure and security companies based in Australia
Company intelligence · public preview
Top 25 IT infrastructure and security companies based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 15,956 matching company records for IT infrastructure and security companies based in the United States, with 576,339 tracked contacts and 210,244 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 IT infrastructure and security companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  DXC Technologydxc.comHQ: Ashburn, VA, United StatesReported employees: 10001+ | Ashburn, VA, United States | 10001+ | Exact match | 82,768 contacts → |
“DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Kyndrylkyndryl.comHQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 45,903 contacts → |
“We have the world’s best talent that design, run, and manage the most advanced and reliable technology infrastructure each day.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Palo Alto Networkspaloaltonetworks.comHQ: Santa Clara, CA, United StatesReported employees: 10001+ | Santa Clara, CA, United States | 10001+ | Exact match | 18,431 contacts → |
“Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Vmwarebroadcom.comHQ: Palo Alto, CA, United StatesReported employees: 10001+ | Palo Alto, CA, United States | 10001+ | Exact match | 17,326 contacts → |
“Broadcom's VMware software manages cloud complexity so customers can modernize infrastructure, accelerate app development, and protect workloads, wherever these reside.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Fortinetfortinet.comHQ: Sunnyvale, CA, United StatesReported employees: 10001+ | Sunnyvale, CA, United States | 10001+ | Exact match | 14,289 contacts → |
“Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  CDWcdw.comHQ: Vernon Hills, IL, United StatesReported employees: 10001+ | Vernon Hills, IL, United States | 10001+ | Exact match | 13,155 contacts → |
“At CDW, we know how to make technology work so people can do great things.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Apex Systemsapexsystems.comHQ: Glen Allen, VA, United StatesReported employees: 1,001-5,000 | Glen Allen, VA, United States | 1,001-5,000 | Exact match | 12,231 contacts → |
“Everforth Apex Systems, part of the Everforth ™ Network, is a leading global technology services company specializing in customizable industry-specific solutions that turns…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Comcast Businesscomcast.comHQ: Philadelphia, PA, United StatesReported employees: 10001+ | Philadelphia, PA, United States | 10001+ | Exact match | 8,242 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 |  SHI International Corpshi.comHQ: Somerset, NJ, United StatesReported employees: 5,001-10,000 | Somerset, NJ, United States | 5,001-10,000 | Exact match | 6,734 contacts → |
“Think of SHI as your personal technology concierge.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Rubrikrbrk.coHQ: Palo Alto, CA, United StatesReported employees: 1,001-5,000 | Palo Alto, CA, United States | 1,001-5,000 | Exact match | 4,448 contacts → |
“Rubrik (NYSE: RBRK), the Security and AI company, operates at the intersection of data protection, cyber resilience and enterprise AI acceleration.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Presidiopresidio.comHQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 3,798 contacts → |
“At Presidio, speed and quality meet technology and innovation.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Black BOXblackbox.comHQ: Plano, TX, United StatesReported employees: 1,001-5,000 | Plano, TX, United States | 1,001-5,000 | Exact match | 3,667 contacts → |
“Black Box is a global leader in digital infrastructure solutions, delivering network and system integration, managed services, and technology products to Fortune 100 and top…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Quest Softwarequest.comHQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 3,206 contacts → |
“At Quest Software, we help organizations build modern, trusted foundations for AI.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Qualysqualys.comHQ: Foster City, CA, United StatesReported employees: 1,001-5,000 | Foster City, CA, United States | 1,001-5,000 | Exact match | 3,058 contacts → |
“Qualys, Inc.(NASDAQ: QLYS) is a leading provider of disruptive cloud-based security, compliance and IT solutions with more than subscription customers worldwide, including a…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  GTTgtt.netHQ: Arlington, VA, United StatesReported employees: 1,001-5,000 | Arlington, VA, United States | 1,001-5,000 | Exact match | 2,933 contacts → |
“GTT is a leading networking and security as a service provider for multinational organizations, simply and securely connecting people and machines to data and applications –…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Ivantiivanti.comHQ: South Jordan, UT, United StatesReported employees: 1,001-5,000 | South Jordan, UT, United States | 1,001-5,000 | Exact match | 2,691 contacts → |
“Ivanti is a global enterprise IT and security software company that provides the trusted data authority for AI-driven, autonomous endpoint management.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Zones, LLCzones.comHQ: Auburn, WA, United StatesReported employees: 1,001-5,000 | Auburn, WA, United States | 1,001-5,000 | Exact match | 2,342 contacts → |
“Zones is a Global Solution Provider of end-to-end IT solutions with an unmatched supply chain.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Park Place Technologiesparkplacetechnologies.comHQ: Cleveland, OH, United StatesReported employees: 1,001-5,000 | Cleveland, OH, United States | 1,001-5,000 | Exact match | 2,250 contacts → |
“Park Place Technologies is the global leader in data center and networking optimization, we work with more than companies across the globe, boosting infrastructure performance…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  OPTIVoptiv.comHQ: Leawood, KS, United StatesReported employees: 1,001-5,000 | Leawood, KS, United States | 1,001-5,000 | Exact match | 2,222 contacts → |
“Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  CBTScbts.comHQ: Cincinnati, OH, United StatesReported employees: 1,001-5,000 | Cincinnati, OH, United States | 1,001-5,000 | Exact match | 2,211 contacts → |
“CBTS serves enterprise and midmarket clients in all industries across North America.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  GURUguruconsult.comHQ: Rockville, MD, United StatesReported employees: Not recorded | Rockville, MD, United States | Not recorded | Exact match | 1,906 contacts → |
“Established in 1995, GURU is an IT managed service provider that specializes in infrastructure support, systems integration, data architecture, data hosting, and cloud services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  NEW ERA Technologyneweratech.comHQ: West Chester, NH, United StatesReported employees: 1,001-5,000 | West Chester, NH, United States | 1,001-5,000 | Exact match | 1,846 contacts → |
“New Era Technology is the AI, application, and infrastructure partner that simplifies, secures, and scales technology across modern work environments.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  IES Communicationsiescomm.comHQ: Tempe, AZ, United StatesReported employees: 1,001-5,000 | Tempe, AZ, United States | 1,001-5,000 | Exact match | 1,800 contacts → |
“IES Communications a division of IES (NASDAQ: IESC) provides each client with a team of highly qualified dedicated professionals that deliver superior quality and cost effective…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Eplus INCeplus.comHQ: Herndon, VA, United StatesReported employees: 1,001-5,000 | Herndon, VA, United States | 1,001-5,000 | Exact match | 1,749 contacts → |
“ePlus is a customer-first, services-led, results-driven and trusted industry leader that helps organizations secure, modernize, optimize, and scale every aspect of their IT…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  DMIdminc.comHQ: Mclean, VA, United StatesReported employees: 1,001-5,000 | Mclean, VA, United States | 1,001-5,000 | Exact match | 1,683 contacts → |
“DMI is a leading provider of digital services and technology solutions with a focus on end-to-end managed services, including managed mobility, cloud, cybersecurity, network…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 15,956 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
IT infrastructure and security companies: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
15,922 records in the displayed employee bands.
34 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 30.0dCompany record updated
Median 90.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
IT infrastructure and security companies by metro
- IT infrastructure and security companies in New York469
- IT infrastructure and security companies in Houston320
- IT infrastructure and security companies in Dallas216
- IT infrastructure and security companies in Atlanta214
- IT infrastructure and security companies in Austin208
- IT infrastructure and security companies in Chicago207
- IT infrastructure and security companies in Miami194
- IT infrastructure and security companies in Los Angeles161
- IT infrastructure and security companies in San Diego133
- IT infrastructure and security companies in Washington133
- IT infrastructure and security companies in San Francisco130
- IT infrastructure and security companies in Tampa130
- IT infrastructure and security companies in Denver114
- IT infrastructure and security companies in Charlotte113
- IT infrastructure and security companies in Orlando102
- IT infrastructure and security companies in Phoenix98
- IT infrastructure and security companies in Irvine97
- IT infrastructure and security companies in San Jose96
- IT infrastructure and security companies in San Antonio94
- IT infrastructure and security companies in Las Vegas93
- IT infrastructure and security companies in Plano86
- IT infrastructure and security companies in Arlington85
- IT infrastructure and security companies in Columbia82
- IT infrastructure and security companies in Seattle79
- IT infrastructure and security companies in Boston74
- IT infrastructure and security companies in Frisco73
- IT infrastructure and security companies in Sheridan73
- IT infrastructure and security companies in Indianapolis69
- IT infrastructure and security companies in Wilmington69
- IT infrastructure and security companies in Herndon68
- IT infrastructure and security companies in Irving68
- IT infrastructure and security companies in Fort Lauderdale63
- IT infrastructure and security companies in Richmond63
- IT infrastructure and security companies in Reston62
- IT infrastructure and security companies in Ashburn61
- IT infrastructure and security companies in Columbus61
- IT infrastructure and security companies in Fairfax61
- IT infrastructure and security companies in Raleigh61
- IT infrastructure and security companies in Portland60
- IT infrastructure and security companies in Alpharetta56
- IT infrastructure and security companies in Mclean56
- IT infrastructure and security companies in Alexandria55
- IT infrastructure and security companies in Minneapolis55
- IT infrastructure and security companies in Cincinnati53
- IT infrastructure and security companies in St. Louis53
- IT infrastructure and security companies in Baltimore50
- IT infrastructure and security companies in Nashville48
- IT infrastructure and security companies in Scottsdale48
- IT infrastructure and security companies in Jacksonville47
- IT infrastructure and security companies in Newark46
- IT infrastructure and security companies in Pittsburgh46
- IT infrastructure and security companies in Rockville45
- IT infrastructure and security companies in Sacramento45
- IT infrastructure and security companies in Boca Raton43
- IT infrastructure and security companies in Louisville43
- IT infrastructure and security companies in Salt Lake City41
- IT infrastructure and security companies in Dover40
- IT infrastructure and security companies in Santa Clara39
- IT infrastructure and security companies in Springfield39
- IT infrastructure and security companies in Greenville38
- IT infrastructure and security companies in Philadelphia38
- IT infrastructure and security companies in Princeton38
- IT infrastructure and security companies in Troy38
- IT infrastructure and security companies in Kansas City36
- IT infrastructure and security companies in Leesburg36
- IT infrastructure and security companies in Albuquerque35
- IT infrastructure and security companies in Naperville35
- IT infrastructure and security companies in Schaumburg35
- IT infrastructure and security companies in Birmingham34
- IT infrastructure and security companies in Knoxville34
- IT infrastructure and security companies in Oklahoma City34
- IT infrastructure and security companies in Colorado Springs33
- IT infrastructure and security companies in Fort Worth33
- IT infrastructure and security companies in Omaha33
- IT infrastructure and security companies in Baton Rouge32
- IT infrastructure and security companies in Tucson32
- IT infrastructure and security companies in Chantilly31
- IT infrastructure and security companies in Rochester30
- IT infrastructure and security companies in Vienna30
- IT infrastructure and security companies in Cleveland29
- IT infrastructure and security companies in Grand Rapids29
- IT infrastructure and security companies in West Palm Beach29
- IT infrastructure and security companies in Bellevue28
- IT infrastructure and security companies in Huntsville28
- IT infrastructure and security companies in Mckinney28
- IT infrastructure and security companies in Manassas27
- IT infrastructure and security companies in Pleasanton27
- IT infrastructure and security companies in Sterling27
- IT infrastructure and security companies in Fremont26
- IT infrastructure and security companies in Gaithersburg26
- IT infrastructure and security companies in Reno26
- IT infrastructure and security companies in Tulsa26
- IT infrastructure and security companies in Duluth25
- IT infrastructure and security companies in Marietta25
- IT infrastructure and security companies in Overland Park25
- IT infrastructure and security companies in Richardson25
- IT infrastructure and security companies in Sarasota25
- IT infrastructure and security companies in Virginia Beach25
Questions about this company list
What does Exact match mean for IT infrastructure and security companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many IT infrastructure and security companies did RevenueBase find based in the United States?
The saved snapshot records 15,956 matching company records, 576,339 tracked contacts and 210,244 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
IT infrastructure and security companies by geography
- IT infrastructure and security companies based in Brazil
- IT infrastructure and security companies based in the United Kingdom
- IT infrastructure and security companies based in Germany
- IT infrastructure and security companies based in Canada
- IT infrastructure and security companies based in France
- IT infrastructure and security companies based in Australia
- IT infrastructure and security companies based in Italy
- IT infrastructure and security companies based in Spain
- IT infrastructure and security companies based in the Netherlands
- IT infrastructure and security companies based in South Africa
- IT infrastructure and security companies based in Mexico
- IT infrastructure and security companies based in Poland
Cite this list
RevenueBase Data Team. Top 25 IT infrastructure and security companies based in the United States. Snapshot: September 27, 2026. https://revenuebase.ai/companies/it-infrastructure-and-security-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- IT infrastructure and security companies based in Brazil
- IT infrastructure and security companies based in the United Kingdom
- IT infrastructure and security companies based in Germany
- IT infrastructure and security companies based in Canada
- IT infrastructure and security companies based in France
- IT infrastructure and security companies based in Australia
Company intelligence · public preview
Top 25 IT infrastructure and security companies based in the United States
RevenueBase records 15,956 matching company records for IT infrastructure and security companies based in the United States, with 576,339 tracked contacts and 210,244 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 IT infrastructure and security companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | DXC Technologydxc.com HQ: Ashburn, VA, United StatesReported employees: 10001+ | Ashburn, VA, United States | 10001+ | Exact match | 82,768 contacts → |
“DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Kyndrylkyndryl.com HQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 45,903 contacts → |
“We have the world’s best talent that design, run, and manage the most advanced and reliable technology infrastructure each day.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Palo Alto Networkspaloaltonetworks.com HQ: Santa Clara, CA, United StatesReported employees: 10001+ | Santa Clara, CA, United States | 10001+ | Exact match | 18,431 contacts → |
“Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Vmwarebroadcom.com HQ: Palo Alto, CA, United StatesReported employees: 10001+ | Palo Alto, CA, United States | 10001+ | Exact match | 17,326 contacts → |
“Broadcom's VMware software manages cloud complexity so customers can modernize infrastructure, accelerate app development, and protect workloads, wherever these reside.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Fortinetfortinet.com HQ: Sunnyvale, CA, United StatesReported employees: 10001+ | Sunnyvale, CA, United States | 10001+ | Exact match | 14,289 contacts → |
“Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | CDWcdw.com HQ: Vernon Hills, IL, United StatesReported employees: 10001+ | Vernon Hills, IL, United States | 10001+ | Exact match | 13,155 contacts → |
“At CDW, we know how to make technology work so people can do great things.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Apex Systemsapexsystems.com HQ: Glen Allen, VA, United StatesReported employees: 1,001-5,000 | Glen Allen, VA, United States | 1,001-5,000 | Exact match | 12,231 contacts → |
“Everforth Apex Systems, part of the Everforth ™ Network, is a leading global technology services company specializing in customizable industry-specific solutions that turns…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Comcast Businesscomcast.com HQ: Philadelphia, PA, United StatesReported employees: 10001+ | Philadelphia, PA, United States | 10001+ | Exact match | 8,242 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | SHI International Corpshi.com HQ: Somerset, NJ, United StatesReported employees: 5,001-10,000 | Somerset, NJ, United States | 5,001-10,000 | Exact match | 6,734 contacts → |
“Think of SHI as your personal technology concierge.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Rubrikrbrk.co HQ: Palo Alto, CA, United StatesReported employees: 1,001-5,000 | Palo Alto, CA, United States | 1,001-5,000 | Exact match | 4,448 contacts → |
“Rubrik (NYSE: RBRK), the Security and AI company, operates at the intersection of data protection, cyber resilience and enterprise AI acceleration.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Presidiopresidio.com HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 3,798 contacts → |
“At Presidio, speed and quality meet technology and innovation.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Black BOXblackbox.com HQ: Plano, TX, United StatesReported employees: 1,001-5,000 | Plano, TX, United States | 1,001-5,000 | Exact match | 3,667 contacts → |
“Black Box is a global leader in digital infrastructure solutions, delivering network and system integration, managed services, and technology products to Fortune 100 and top…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Quest Softwarequest.com HQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 3,206 contacts → |
“At Quest Software, we help organizations build modern, trusted foundations for AI.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Qualysqualys.com HQ: Foster City, CA, United StatesReported employees: 1,001-5,000 | Foster City, CA, United States | 1,001-5,000 | Exact match | 3,058 contacts → |
“Qualys, Inc.(NASDAQ: QLYS) is a leading provider of disruptive cloud-based security, compliance and IT solutions with more than subscription customers worldwide, including a…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | GTTgtt.net HQ: Arlington, VA, United StatesReported employees: 1,001-5,000 | Arlington, VA, United States | 1,001-5,000 | Exact match | 2,933 contacts → |
“GTT is a leading networking and security as a service provider for multinational organizations, simply and securely connecting people and machines to data and applications –…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ivantiivanti.com HQ: South Jordan, UT, United StatesReported employees: 1,001-5,000 | South Jordan, UT, United States | 1,001-5,000 | Exact match | 2,691 contacts → |
“Ivanti is a global enterprise IT and security software company that provides the trusted data authority for AI-driven, autonomous endpoint management.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Zones, LLCzones.com HQ: Auburn, WA, United StatesReported employees: 1,001-5,000 | Auburn, WA, United States | 1,001-5,000 | Exact match | 2,342 contacts → |
“Zones is a Global Solution Provider of end-to-end IT solutions with an unmatched supply chain.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Park Place Technologiesparkplacetechnologies.com HQ: Cleveland, OH, United StatesReported employees: 1,001-5,000 | Cleveland, OH, United States | 1,001-5,000 | Exact match | 2,250 contacts → |
“Park Place Technologies is the global leader in data center and networking optimization, we work with more than companies across the globe, boosting infrastructure performance…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | OPTIVoptiv.com HQ: Leawood, KS, United StatesReported employees: 1,001-5,000 | Leawood, KS, United States | 1,001-5,000 | Exact match | 2,222 contacts → |
“Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | CBTScbts.com HQ: Cincinnati, OH, United StatesReported employees: 1,001-5,000 | Cincinnati, OH, United States | 1,001-5,000 | Exact match | 2,211 contacts → |
“CBTS serves enterprise and midmarket clients in all industries across North America.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | GURUguruconsult.com HQ: Rockville, MD, United StatesReported employees: Not recorded | Rockville, MD, United States | Not recorded | Exact match | 1,906 contacts → |
“Established in 1995, GURU is an IT managed service provider that specializes in infrastructure support, systems integration, data architecture, data hosting, and cloud services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | NEW ERA Technologyneweratech.com HQ: West Chester, NH, United StatesReported employees: 1,001-5,000 | West Chester, NH, United States | 1,001-5,000 | Exact match | 1,846 contacts → |
“New Era Technology is the AI, application, and infrastructure partner that simplifies, secures, and scales technology across modern work environments.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | IES Communicationsiescomm.com HQ: Tempe, AZ, United StatesReported employees: 1,001-5,000 | Tempe, AZ, United States | 1,001-5,000 | Exact match | 1,800 contacts → |
“IES Communications a division of IES (NASDAQ: IESC) provides each client with a team of highly qualified dedicated professionals that deliver superior quality and cost effective…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Eplus INCeplus.com HQ: Herndon, VA, United StatesReported employees: 1,001-5,000 | Herndon, VA, United States | 1,001-5,000 | Exact match | 1,749 contacts → |
“ePlus is a customer-first, services-led, results-driven and trusted industry leader that helps organizations secure, modernize, optimize, and scale every aspect of their IT…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | DMIdminc.com HQ: Mclean, VA, United StatesReported employees: 1,001-5,000 | Mclean, VA, United States | 1,001-5,000 | Exact match | 1,683 contacts → |
“DMI is a leading provider of digital services and technology solutions with a focus on end-to-end managed services, including managed mobility, cloud, cybersecurity, network…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 15,956 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
IT infrastructure and security companies: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
15,922 records in the displayed employee bands.
34 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 30.0dCompany record updated
Median 90.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
IT infrastructure and security companies by metro
- IT infrastructure and security companies in New York469
- IT infrastructure and security companies in Houston320
- IT infrastructure and security companies in Dallas216
- IT infrastructure and security companies in Atlanta214
- IT infrastructure and security companies in Austin208
- IT infrastructure and security companies in Chicago207
- IT infrastructure and security companies in Miami194
- IT infrastructure and security companies in Los Angeles161
- IT infrastructure and security companies in San Diego133
- IT infrastructure and security companies in Washington133
- IT infrastructure and security companies in San Francisco130
- IT infrastructure and security companies in Tampa130
- IT infrastructure and security companies in Denver114
- IT infrastructure and security companies in Charlotte113
- IT infrastructure and security companies in Orlando102
- IT infrastructure and security companies in Phoenix98
- IT infrastructure and security companies in Irvine97
- IT infrastructure and security companies in San Jose96
- IT infrastructure and security companies in San Antonio94
- IT infrastructure and security companies in Las Vegas93
- IT infrastructure and security companies in Plano86
- IT infrastructure and security companies in Arlington85
- IT infrastructure and security companies in Columbia82
- IT infrastructure and security companies in Seattle79
- IT infrastructure and security companies in Boston74
- IT infrastructure and security companies in Frisco73
- IT infrastructure and security companies in Sheridan73
- IT infrastructure and security companies in Indianapolis69
- IT infrastructure and security companies in Wilmington69
- IT infrastructure and security companies in Herndon68
- IT infrastructure and security companies in Irving68
- IT infrastructure and security companies in Fort Lauderdale63
- IT infrastructure and security companies in Richmond63
- IT infrastructure and security companies in Reston62
- IT infrastructure and security companies in Ashburn61
- IT infrastructure and security companies in Columbus61
- IT infrastructure and security companies in Fairfax61
- IT infrastructure and security companies in Raleigh61
- IT infrastructure and security companies in Portland60
- IT infrastructure and security companies in Alpharetta56
- IT infrastructure and security companies in Mclean56
- IT infrastructure and security companies in Alexandria55
- IT infrastructure and security companies in Minneapolis55
- IT infrastructure and security companies in Cincinnati53
- IT infrastructure and security companies in St. Louis53
- IT infrastructure and security companies in Baltimore50
- IT infrastructure and security companies in Nashville48
- IT infrastructure and security companies in Scottsdale48
- IT infrastructure and security companies in Jacksonville47
- IT infrastructure and security companies in Newark46
- IT infrastructure and security companies in Pittsburgh46
- IT infrastructure and security companies in Rockville45
- IT infrastructure and security companies in Sacramento45
- IT infrastructure and security companies in Boca Raton43
- IT infrastructure and security companies in Louisville43
- IT infrastructure and security companies in Salt Lake City41
- IT infrastructure and security companies in Dover40
- IT infrastructure and security companies in Santa Clara39
- IT infrastructure and security companies in Springfield39
- IT infrastructure and security companies in Greenville38
- IT infrastructure and security companies in Philadelphia38
- IT infrastructure and security companies in Princeton38
- IT infrastructure and security companies in Troy38
- IT infrastructure and security companies in Kansas City36
- IT infrastructure and security companies in Leesburg36
- IT infrastructure and security companies in Albuquerque35
- IT infrastructure and security companies in Naperville35
- IT infrastructure and security companies in Schaumburg35
- IT infrastructure and security companies in Birmingham34
- IT infrastructure and security companies in Knoxville34
- IT infrastructure and security companies in Oklahoma City34
- IT infrastructure and security companies in Colorado Springs33
- IT infrastructure and security companies in Fort Worth33
- IT infrastructure and security companies in Omaha33
- IT infrastructure and security companies in Baton Rouge32
- IT infrastructure and security companies in Tucson32
- IT infrastructure and security companies in Chantilly31
- IT infrastructure and security companies in Rochester30
- IT infrastructure and security companies in Vienna30
- IT infrastructure and security companies in Cleveland29
- IT infrastructure and security companies in Grand Rapids29
- IT infrastructure and security companies in West Palm Beach29
- IT infrastructure and security companies in Bellevue28
- IT infrastructure and security companies in Huntsville28
- IT infrastructure and security companies in Mckinney28
- IT infrastructure and security companies in Manassas27
- IT infrastructure and security companies in Pleasanton27
- IT infrastructure and security companies in Sterling27
- IT infrastructure and security companies in Fremont26
- IT infrastructure and security companies in Gaithersburg26
- IT infrastructure and security companies in Reno26
- IT infrastructure and security companies in Tulsa26
- IT infrastructure and security companies in Duluth25
- IT infrastructure and security companies in Marietta25
- IT infrastructure and security companies in Overland Park25
- IT infrastructure and security companies in Richardson25
- IT infrastructure and security companies in Sarasota25
- IT infrastructure and security companies in Virginia Beach25
Questions about this company list
What does Exact match mean for IT infrastructure and security companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many IT infrastructure and security companies did RevenueBase find based in the United States?
The saved snapshot records 15,956 matching company records, 576,339 tracked contacts and 210,244 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
IT infrastructure and security companies by geography
- IT infrastructure and security companies based in Brazil
- IT infrastructure and security companies based in the United Kingdom
- IT infrastructure and security companies based in Germany
- IT infrastructure and security companies based in Canada
- IT infrastructure and security companies based in France
- IT infrastructure and security companies based in Australia
- IT infrastructure and security companies based in Italy
- IT infrastructure and security companies based in Spain
- IT infrastructure and security companies based in the Netherlands
- IT infrastructure and security companies based in South Africa
- IT infrastructure and security companies based in Mexico
- IT infrastructure and security companies based in Poland
Cite this list
RevenueBase Data Team. Top 25 IT infrastructure and security companies based in the United States. Snapshot: September 27, 2026. https://revenuebase.ai/companies/it-infrastructure-and-security-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- IT infrastructure and security companies based in Brazil
- IT infrastructure and security companies based in the United Kingdom
- IT infrastructure and security companies based in Germany
- IT infrastructure and security companies based in Canada
- IT infrastructure and security companies based in France
- IT infrastructure and security companies based in Australia