Company lists · Data refreshed September 2026
Top 25 IT security management companies based in the United States
RevenueBase identified 7,226 company matches for IT security management companies associated with the United States as of September 2026 and tracks 144,621 professional contacts across them, including 61,245 with verified work emails. New York is the largest hub.
This list covers company matches for IT security management 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 28, 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 security management companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 28, 2026 · View company records in RevenueBase | |||||
| 2 | 3,649 contacts → | ||||
Exact match “We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 3 | 3,592 contacts → | ||||
Exact match “U.S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 3,145 contacts → | ||||
Exact match “Every year new technologies, vendors, and solutions emerge-yet despite this constant innovation, high-profile breaches are all over the headlines.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 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 28, 2026 · View company records in RevenueBase | |||||
| 6 | 2,715 contacts → | ||||
Exact match “Varonis unifies AI-native data security, AI security and governance, and behavior-based threat detection.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 7 | 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 28, 2026 · View company records in RevenueBase | |||||
| 8 | 2,157 contacts → | ||||
Exact match “Barracuda is a leading global cybersecurity company providing complete protection against complex threats for all size business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 1,949 contacts → | ||||
Exact match “Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 10 | 1,669 contacts → | ||||
Exact match “BeyondTrust is the global cybersecurity leader protecting Paths to Privilege™.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 1,252 contacts → | ||||
Exact match “Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 1,232 contacts → | ||||
Exact match “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 13 | 1,217 contacts → | ||||
Exact match “On Dec.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 14 | 1,059 contacts → | ||||
Exact match “WatchGuard® Technologies, Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 15 | 1,050 contacts → | ||||
Exact match “Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 16 | 1,037 contacts → | ||||
Exact match “Synoptek is a leading global managed services provider and technology consulting firm that delivers transformative business results.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 17 | 947 contacts → | ||||
Exact match “Coalfire is the premier Cybersecurity and Compliance Services leader for the tech, healthcare, and finance industries.(This page is maintained by Marketing.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 18 | 904 contacts → | ||||
Exact match “ZeroFox is the solution to discover, validate, and disrupt external cyber threats before they harm revenue or reputation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 19 | 874 contacts → | ||||
Exact match “Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 20 | 844 contacts → | ||||
Exact match “Today’s threatscape is relentless.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 21 | 785 contacts → | ||||
Exact match “ASK is now Convergence Networks!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 22 | 696 contacts → | ||||
Exact match “Protect Your Endpoints, Identities, Logs, and Employees.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 23 | 687 contacts → | ||||
Exact match “Customers of all sizes globally rely on Simeio to help secure their organizations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 24 | 676 contacts → | ||||
Exact match “We are now officially Trellix!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 25 | 660 contacts → | ||||
Exact match “With more than 30 years of experience partnering with global enterprises on complex business and IT initiatives, SDG is a trusted provider of advisory, transformation, and managed…” Recorded in the RevenueBase company graph · Sep 28, 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 security management 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 7,226 IT security management companies based in the United States
See the full list, filter by size, metro and specialty, and access 61,245 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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IT security management companies based in the United States at a glance
As of Sep 28, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 7,226 companies.
How 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 security management 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 61,245 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 28, 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 security management companies by metro
- IT security management companies in New York210
- IT security management companies in Houston140
- IT security management companies in Atlanta115
- IT security management companies in Austin114
- IT security management companies in Miami109
- IT security management companies in Washington101
- IT security management companies in Chicago100
- IT security management companies in Dallas100
- IT security management companies in Tampa86
- IT security management companies in San Francisco85
- IT security management companies in San Diego70
- IT security management companies in Los Angeles69
- IT security management companies in Charlotte61
- IT security management companies in Denver58
- IT security management companies in Boston54
- IT security management companies in Las Vegas52
- IT security management companies in Arlington51
- IT security management companies in Phoenix50
- IT security management companies in Columbia45
- IT security management companies in Orlando45
- IT security management companies in San Antonio44
- IT security management companies in Alexandria42
- IT security management companies in Seattle41
- IT security management companies in Wilmington39
- IT security management companies in Raleigh38
- IT security management companies in Irvine36
- IT security management companies in Baltimore35
- IT security management companies in Fairfax34
- IT security management companies in Reston33
- IT security management companies in Mclean32
- IT security management companies in Portland32
- IT security management companies in Richmond32
- IT security management companies in Alpharetta31
- IT security management companies in Plano31
- IT security management companies in Fort Lauderdale30
- IT security management companies in Minneapolis30
- IT security management companies in Scottsdale30
- IT security management companies in Ashburn29
- IT security management companies in Columbus29
- IT security management companies in Indianapolis29
- IT security management companies in Pittsburgh28
- IT security management companies in San Jose28
- IT security management companies in Huntsville27
- IT security management companies in Nashville27
- IT security management companies in Dover26
- IT security management companies in Jacksonville26
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 security management companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many IT security management companies are there based in the United States?
RevenueBase identified 7,226 company matches for IT security management 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?
Fortinet tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most IT security management companies?
New York leads with 210 company records, followed by Houston (140) and Atlanta (115).
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 61,245 professional contacts with verified work emails tracked across these 7,226 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 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 7,226 IT security management companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
IT security management companies by geography
- IT security management companies based in Buenos Aires, Argentina
- IT security management companies based in Brisbane, Australia
- IT security management companies based in Canberra, Australia
- IT security management companies based in Melbourne, Australia
- IT security management companies based in Sydney, Australia
- IT security management companies based in Vienna, Austria
- IT security management companies based in Barueri, Brazil
- IT security management companies based in Belo Horizonte, Brazil
- IT security management companies based in Brasilia, Brazil
- IT security management companies based in Curitiba, Brazil
- IT security management companies based in Porto Alegre, Brazil
- IT security management companies based in Rio De Janeiro, Brazil
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
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- IT security management companies based in Buenos Aires, Argentina
- IT security management companies based in Brisbane, Australia
- IT security management companies based in Canberra, Australia
- IT security management companies based in Melbourne, Australia
- IT security management companies based in Sydney, Australia
- IT security management companies based in Vienna, Austria
Company intelligence · public preview
Top 25 IT security management 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 7,226 matching company records for IT security management companies based in the United States, with 144,621 tracked contacts and 61,245 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 28, 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 security management 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 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Bugcrowdbugcrowd.comHQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 3,649 contacts → |
“We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  U.S. Security Associates, INCussecurityassociates.comHQ: Roswell, GA, United StatesReported employees: 10001+ | Roswell, GA, United States | 10001+ | Exact match | 3,592 contacts → |
“U.S.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Arctic Wolfarcticwolf.comHQ: Eden Prairie, MN, United StatesReported employees: 1,001-5,000 | Eden Prairie, MN, United States | 1,001-5,000 | Exact match | 3,145 contacts → |
“Every year new technologies, vendors, and solutions emerge-yet despite this constant innovation, high-profile breaches are all over the headlines.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Varonisvaronis.comHQ: Miami, FL, United StatesReported employees: 1,001-5,000 | Miami, FL, United States | 1,001-5,000 | Exact match | 2,715 contacts → |
“Varonis unifies AI-native data security, AI security and governance, and behavior-based threat detection.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Barracudabarracuda.comHQ: Campbell, CA, United StatesReported employees: 1,001-5,000 | Campbell, CA, United States | 1,001-5,000 | Exact match | 2,157 contacts → |
“Barracuda is a leading global cybersecurity company providing complete protection against complex threats for all size business.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Paragon Systems INCparasys.comHQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,949 contacts → |
“Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Beyondtrustbeyondtrust.comHQ: Johns Creek, GA, United StatesReported employees: 1,001-5,000 | Johns Creek, GA, United States | 1,001-5,000 | Exact match | 1,669 contacts → |
“BeyondTrust is the global cybersecurity leader protecting Paths to Privilege™.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Thales Cybersecurity Productscpl.thalesgroup.comHQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 1,252 contacts → |
“Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Guidepoint Securityguidepointsecurity.comHQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,232 contacts → |
“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Impervaimperva.comHQ: Austin, TX, United StatesReported employees: 10001+ | Austin, TX, United States | 10001+ | Exact match | 1,217 contacts → |
“On Dec.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Watchguard Technologieswatchguard.comHQ: Seattle, WA, United StatesReported employees: 1,001-5,000 | Seattle, WA, United States | 1,001-5,000 | Exact match | 1,059 contacts → |
“WatchGuard® Technologies, Inc.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Brosnan Risk Consultantsbrosnanrisk.comHQ: Pearl River, NY, United StatesReported employees: 5,001-10,000 | Pearl River, NY, United States | 5,001-10,000 | Exact match | 1,050 contacts → |
“Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Synopteksynoptek.comHQ: Costa Mesa, CA, United StatesReported employees: 1,001-5,000 | Costa Mesa, CA, United States | 1,001-5,000 | Exact match | 1,037 contacts → |
“Synoptek is a leading global managed services provider and technology consulting firm that delivers transformative business results.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Coalfirecoalfire.comHQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 947 contacts → |
“Coalfire is the premier Cybersecurity and Compliance Services leader for the tech, healthcare, and finance industries.(This page is maintained by Marketing.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Zerofoxzerofox.comHQ: Baltimore, MD, United StatesReported employees: 501-1,000 | Baltimore, MD, United States | 501-1,000 | Exact match | 904 contacts → |
“ZeroFox is the solution to discover, validate, and disrupt external cyber threats before they harm revenue or reputation.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Trustwave, A Levelblue Companylevelblue.comHQ: Chicago, IL, United StatesReported employees: 501-1,000 | Chicago, IL, United States | 501-1,000 | Exact match | 874 contacts → |
“Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Cyderescyderes.comHQ: Kansas City, MO, United StatesReported employees: 1,001-5,000 | Kansas City, MO, United States | 1,001-5,000 | Exact match | 844 contacts → |
“Today’s threatscape is relentless.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Application Specialist Kompany ASKconvergencenetworks.comHQ: Lansing, MI, United StatesReported employees: Not recorded | Lansing, MI, United States | Not recorded | Exact match | 785 contacts → |
“ASK is now Convergence Networks!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Huntresshuntress.comHQ: Columbia, MD, United StatesReported employees: 501-1,000 | Columbia, MD, United States | 501-1,000 | Exact match | 696 contacts → |
“Protect Your Endpoints, Identities, Logs, and Employees.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Simeiosimeio.comHQ: Alpharetta, GA, United StatesReported employees: 501-1,000 | Alpharetta, GA, United States | 501-1,000 | Exact match | 687 contacts → |
“Customers of all sizes globally rely on Simeio to help secure their organizations.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Fireeye, INCtrellix.comHQ: Milpitas, CA, United StatesReported employees: 1,001-5,000 | Milpitas, CA, United States | 1,001-5,000 | Exact match | 676 contacts → |
“We are now officially Trellix!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  SDG Corporationsdgc.comHQ: Norwalk, CT, United StatesReported employees: 201-500 | Norwalk, CT, United States | 201-500 | Exact match | 660 contacts → |
“With more than 30 years of experience partnering with global enterprises on complex business and IT initiatives, SDG is a trusted provider of advisory, transformation, and managed…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 7,226 company matches
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IT security management companies: dataset insights
September 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
7,208 records in the displayed employee bands.
18 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 7,226 companies.
How 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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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 28, 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 security management companies by metro
- IT security management companies in New York210
- IT security management companies in Houston140
- IT security management companies in Atlanta115
- IT security management companies in Austin114
- IT security management companies in Miami109
- IT security management companies in Washington101
- IT security management companies in Chicago100
- IT security management companies in Dallas100
- IT security management companies in Tampa86
- IT security management companies in San Francisco85
- IT security management companies in San Diego70
- IT security management companies in Los Angeles69
- IT security management companies in Charlotte61
- IT security management companies in Denver58
- IT security management companies in Boston54
- IT security management companies in Las Vegas52
- IT security management companies in Arlington51
- IT security management companies in Phoenix50
- IT security management companies in Columbia45
- IT security management companies in Orlando45
- IT security management companies in San Antonio44
- IT security management companies in Alexandria42
- IT security management companies in Seattle41
- IT security management companies in Wilmington39
- IT security management companies in Raleigh38
- IT security management companies in Irvine36
- IT security management companies in Baltimore35
- IT security management companies in Fairfax34
- IT security management companies in Reston33
- IT security management companies in Mclean32
- IT security management companies in Portland32
- IT security management companies in Richmond32
- IT security management companies in Alpharetta31
- IT security management companies in Plano31
- IT security management companies in Fort Lauderdale30
- IT security management companies in Minneapolis30
- IT security management companies in Scottsdale30
- IT security management companies in Ashburn29
- IT security management companies in Columbus29
- IT security management companies in Indianapolis29
- IT security management companies in Pittsburgh28
- IT security management companies in San Jose28
- IT security management companies in Huntsville27
- IT security management companies in Nashville27
- IT security management companies in Dover26
- IT security management companies in Jacksonville26
Questions about this company list
What does Exact match mean for IT security management 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 security management companies did RevenueBase find based in the United States?
The saved snapshot records 7,226 matching company records, 144,621 tracked contacts and 61,245 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 28, 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 security management companies by geography
- IT security management companies based in Buenos Aires, Argentina
- IT security management companies based in Brisbane, Australia
- IT security management companies based in Canberra, Australia
- IT security management companies based in Melbourne, Australia
- IT security management companies based in Sydney, Australia
- IT security management companies based in Vienna, Austria
- IT security management companies based in Barueri, Brazil
- IT security management companies based in Belo Horizonte, Brazil
- IT security management companies based in Brasilia, Brazil
- IT security management companies based in Curitiba, Brazil
- IT security management companies based in Porto Alegre, Brazil
- IT security management companies based in Rio De Janeiro, Brazil
Cite this list
RevenueBase Data Team. Top 25 IT security management companies based in the United States. Snapshot: September 28, 2026. https://revenuebase.ai/companies/it-security-management-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 security management companies based in Buenos Aires, Argentina
- IT security management companies based in Brisbane, Australia
- IT security management companies based in Canberra, Australia
- IT security management companies based in Melbourne, Australia
- IT security management companies based in Sydney, Australia
- IT security management companies based in Vienna, Austria
Company intelligence · public preview
Top 25 IT security management companies based in the United States
RevenueBase records 7,226 matching company records for IT security management companies based in the United States, with 144,621 tracked contacts and 61,245 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 28, 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 security management 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 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Bugcrowdbugcrowd.com HQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 3,649 contacts → |
“We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | U.S. Security Associates, INCussecurityassociates.com HQ: Roswell, GA, United StatesReported employees: 10001+ | Roswell, GA, United States | 10001+ | Exact match | 3,592 contacts → |
“U.S.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Arctic Wolfarcticwolf.com HQ: Eden Prairie, MN, United StatesReported employees: 1,001-5,000 | Eden Prairie, MN, United States | 1,001-5,000 | Exact match | 3,145 contacts → |
“Every year new technologies, vendors, and solutions emerge-yet despite this constant innovation, high-profile breaches are all over the headlines.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Varonisvaronis.com HQ: Miami, FL, United StatesReported employees: 1,001-5,000 | Miami, FL, United States | 1,001-5,000 | Exact match | 2,715 contacts → |
“Varonis unifies AI-native data security, AI security and governance, and behavior-based threat detection.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Barracudabarracuda.com HQ: Campbell, CA, United StatesReported employees: 1,001-5,000 | Campbell, CA, United States | 1,001-5,000 | Exact match | 2,157 contacts → |
“Barracuda is a leading global cybersecurity company providing complete protection against complex threats for all size business.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Paragon Systems INCparasys.com HQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,949 contacts → |
“Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Beyondtrustbeyondtrust.com HQ: Johns Creek, GA, United StatesReported employees: 1,001-5,000 | Johns Creek, GA, United States | 1,001-5,000 | Exact match | 1,669 contacts → |
“BeyondTrust is the global cybersecurity leader protecting Paths to Privilege™.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Thales Cybersecurity Productscpl.thalesgroup.com HQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 1,252 contacts → |
“Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Guidepoint Securityguidepointsecurity.com HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,232 contacts → |
“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Impervaimperva.com HQ: Austin, TX, United StatesReported employees: 10001+ | Austin, TX, United States | 10001+ | Exact match | 1,217 contacts → |
“On Dec.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Watchguard Technologieswatchguard.com HQ: Seattle, WA, United StatesReported employees: 1,001-5,000 | Seattle, WA, United States | 1,001-5,000 | Exact match | 1,059 contacts → |
“WatchGuard® Technologies, Inc.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Brosnan Risk Consultantsbrosnanrisk.com HQ: Pearl River, NY, United StatesReported employees: 5,001-10,000 | Pearl River, NY, United States | 5,001-10,000 | Exact match | 1,050 contacts → |
“Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Synopteksynoptek.com HQ: Costa Mesa, CA, United StatesReported employees: 1,001-5,000 | Costa Mesa, CA, United States | 1,001-5,000 | Exact match | 1,037 contacts → |
“Synoptek is a leading global managed services provider and technology consulting firm that delivers transformative business results.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Coalfirecoalfire.com HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 947 contacts → |
“Coalfire is the premier Cybersecurity and Compliance Services leader for the tech, healthcare, and finance industries.(This page is maintained by Marketing.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Zerofoxzerofox.com HQ: Baltimore, MD, United StatesReported employees: 501-1,000 | Baltimore, MD, United States | 501-1,000 | Exact match | 904 contacts → |
“ZeroFox is the solution to discover, validate, and disrupt external cyber threats before they harm revenue or reputation.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Trustwave, A Levelblue Companylevelblue.com HQ: Chicago, IL, United StatesReported employees: 501-1,000 | Chicago, IL, United States | 501-1,000 | Exact match | 874 contacts → |
“Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Cyderescyderes.com HQ: Kansas City, MO, United StatesReported employees: 1,001-5,000 | Kansas City, MO, United States | 1,001-5,000 | Exact match | 844 contacts → |
“Today’s threatscape is relentless.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Application Specialist Kompany ASKconvergencenetworks.com HQ: Lansing, MI, United StatesReported employees: Not recorded | Lansing, MI, United States | Not recorded | Exact match | 785 contacts → |
“ASK is now Convergence Networks!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Huntresshuntress.com HQ: Columbia, MD, United StatesReported employees: 501-1,000 | Columbia, MD, United States | 501-1,000 | Exact match | 696 contacts → |
“Protect Your Endpoints, Identities, Logs, and Employees.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Simeiosimeio.com HQ: Alpharetta, GA, United StatesReported employees: 501-1,000 | Alpharetta, GA, United States | 501-1,000 | Exact match | 687 contacts → |
“Customers of all sizes globally rely on Simeio to help secure their organizations.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Fireeye, INCtrellix.com HQ: Milpitas, CA, United StatesReported employees: 1,001-5,000 | Milpitas, CA, United States | 1,001-5,000 | Exact match | 676 contacts → |
“We are now officially Trellix!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | SDG Corporationsdgc.com HQ: Norwalk, CT, United StatesReported employees: 201-500 | Norwalk, CT, United States | 201-500 | Exact match | 660 contacts → |
“With more than 30 years of experience partnering with global enterprises on complex business and IT initiatives, SDG is a trusted provider of advisory, transformation, and managed…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 7,226 company matches
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IT security management companies: dataset insights
September 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
7,208 records in the displayed employee bands.
18 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 7,226 companies.
How 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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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 28, 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 security management companies by metro
- IT security management companies in New York210
- IT security management companies in Houston140
- IT security management companies in Atlanta115
- IT security management companies in Austin114
- IT security management companies in Miami109
- IT security management companies in Washington101
- IT security management companies in Chicago100
- IT security management companies in Dallas100
- IT security management companies in Tampa86
- IT security management companies in San Francisco85
- IT security management companies in San Diego70
- IT security management companies in Los Angeles69
- IT security management companies in Charlotte61
- IT security management companies in Denver58
- IT security management companies in Boston54
- IT security management companies in Las Vegas52
- IT security management companies in Arlington51
- IT security management companies in Phoenix50
- IT security management companies in Columbia45
- IT security management companies in Orlando45
- IT security management companies in San Antonio44
- IT security management companies in Alexandria42
- IT security management companies in Seattle41
- IT security management companies in Wilmington39
- IT security management companies in Raleigh38
- IT security management companies in Irvine36
- IT security management companies in Baltimore35
- IT security management companies in Fairfax34
- IT security management companies in Reston33
- IT security management companies in Mclean32
- IT security management companies in Portland32
- IT security management companies in Richmond32
- IT security management companies in Alpharetta31
- IT security management companies in Plano31
- IT security management companies in Fort Lauderdale30
- IT security management companies in Minneapolis30
- IT security management companies in Scottsdale30
- IT security management companies in Ashburn29
- IT security management companies in Columbus29
- IT security management companies in Indianapolis29
- IT security management companies in Pittsburgh28
- IT security management companies in San Jose28
- IT security management companies in Huntsville27
- IT security management companies in Nashville27
- IT security management companies in Dover26
- IT security management companies in Jacksonville26
Questions about this company list
What does Exact match mean for IT security management 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 security management companies did RevenueBase find based in the United States?
The saved snapshot records 7,226 matching company records, 144,621 tracked contacts and 61,245 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 28, 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 security management companies by geography
- IT security management companies based in Buenos Aires, Argentina
- IT security management companies based in Brisbane, Australia
- IT security management companies based in Canberra, Australia
- IT security management companies based in Melbourne, Australia
- IT security management companies based in Sydney, Australia
- IT security management companies based in Vienna, Austria
- IT security management companies based in Barueri, Brazil
- IT security management companies based in Belo Horizonte, Brazil
- IT security management companies based in Brasilia, Brazil
- IT security management companies based in Curitiba, Brazil
- IT security management companies based in Porto Alegre, Brazil
- IT security management companies based in Rio De Janeiro, Brazil
Cite this list
RevenueBase Data Team. Top 25 IT security management companies based in the United States. Snapshot: September 28, 2026. https://revenuebase.ai/companies/it-security-management-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 security management companies based in Buenos Aires, Argentina
- IT security management companies based in Brisbane, Australia
- IT security management companies based in Canberra, Australia
- IT security management companies based in Melbourne, Australia
- IT security management companies based in Sydney, Australia
- IT security management companies based in Vienna, Austria