Company lists · Data refreshed November 2026
Top 25 IT security consultants based in the United States
RevenueBase identified 3,918 company matches for IT security consultants associated with the United States as of November 2026 and tracks 36,447 professional contacts across them, including 14,100 with verified work emails. New York is the largest hub.
This list covers company matches for IT security consultants 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 November 5, 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 consultants based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,171 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 1,346 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 733 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 510 contacts → | ||||
Exact match “Palo Alto Networks Unit 42 brings together world-renowned threat researchers with an elite team of incident responders and security consultants to create an intelligence-driven…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 392 contacts → | ||||
Exact match “Kudelski Security is a premier cybersecurity solutions provider, working with the most security-conscious organizations in Europe and across the United States.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 356 contacts → | ||||
Exact match “For the security practitioner caught between rapidly evolving threats and demanding executives, IANS Research is a clear-headed resource for decision-making and articulating risk.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 342 contacts → | ||||
Exact match “We deliver cybersecurity consulting, 24x7 operations and SaaS to leading companies in the Financial Services, Healthcare, Pharmaceuticals, Technology and Retail industries.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 324 contacts → | ||||
Exact match “Welcome to Logically.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 317 contacts → | ||||
Exact match “Prescient Security is a global cybersecurity and compliance firm delivering risk-based audits, advanced penetration testing, and end-to-end framework support.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 261 contacts → | ||||
Exact match “Orion Security Systems (OSS) provides elite technical, physical, and cyber security solutions for customers with simple to complex needs.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 247 contacts → | ||||
Exact match “NTG is where excellence meets innovation.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 243 contacts → | ||||
Exact match “Harbor IT helps organizations secure, operate, and scale through integrated IT, cybersecurity, AI, and cloud services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 243 contacts → | ||||
Exact match “Baxter Clewis Cybersecurity, we bring to the table a unique set of experiences that allow us to best serve your cybersecurity needs.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 222 contacts → | ||||
Exact match “For over 20 years, leading companies in Telecom, Cybersecurity, Healthcare, Banking, New Media, and more have come to rely on Loginsoft as a trusted resource for technology talent.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 215 contacts → | ||||
Exact match “At Sayers, we offer expert guidance to help organizations tackle cyber, cloud, and IT infrastructure challenges.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 213 contacts → | ||||
Exact match “Founded in 2003, Tevora is a specialized management consultancy focused on cybersecurity, risk, and compliance services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 212 contacts → | ||||
Exact match “Cyber Advisors is a nationwide leader in cyber security, providing a comprehensive range of Offensive, Defensive, and Risk Management services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 190 contacts → | ||||
Exact match “With 30 years of experience in cyber defense, DeepSeas is trusted by nearly clients around the world, including Fortune 100 enterprises and mid-market organizations, municipality…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 180 contacts → | ||||
Exact match “MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 154 contacts → | ||||
Exact match “HiWAAY's Network Services specializes in network design, business process analysis, information security and managed IT services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 151 contacts → | ||||
Exact match “nuHarbor is a U.S-based cybersecurity firm trusted by public sector and critical infrastructure organizations nationwide.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 150 contacts → | ||||
Exact match “Cadre is a network and information security solutions provider that serves large and medium-sized firms.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 148 contacts → | ||||
Exact match “From CND in the Cloud to CSfC with Enterprise Remote Capabilities, OSC Edge empowers organizations with solutions that prepare them for today and tomorrow.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 142 contacts → | ||||
Exact match “California-based organizations hire Endsight to ensure that their technology systems operate effectively and align with their business goals.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 140 contacts → | ||||
Exact match “CTS is an IT and Cybersecurity Solutions Provider dedicated to helping organizations, including commercial business, nonprofits, and schools, build secure, efficient, and…” Recorded in the RevenueBase company graph · Nov 5, 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 consultants”. 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 3,918 IT security consultants based in the United States
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IT security consultants based in the United States at a glance
As of Nov 5, 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 3,918 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 consultants” 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 14,100 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 November 5, 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 consultants by metro
- IT security consultants in New York124
- IT security consultants in Atlanta76
- IT security consultants in Houston67
- IT security consultants in Austin66
- IT security consultants in Washington65
- IT security consultants in Chicago61
- IT security consultants in Dallas60
- IT security consultants in Tampa54
- IT security consultants in Miami49
- IT security consultants in San Francisco49
- IT security consultants in Los Angeles46
- IT security consultants in Charlotte38
- IT security consultants in Denver38
- IT security consultants in San Diego37
- IT security consultants in Arlington34
- IT security consultants in Seattle32
- IT security consultants in Orlando31
- IT security consultants in Boston30
- IT security consultants in Phoenix30
- IT security consultants in San Antonio30
- IT security consultants in Alexandria29
- IT security consultants in Las Vegas29
- IT security consultants in Reston25
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 consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many IT security consultants are there based in the United States?
RevenueBase identified 3,918 company matches for IT security consultants associated with the United States as of November 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?
OPTIV tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most IT security consultants?
New York leads with 124 company records, followed by Atlanta (76) and Houston (67).
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 14,100 professional contacts with verified work emails tracked across these 3,918 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 November 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 3,918 IT security consultants based in the United States. Start with a free account, no credit card.
Download this list →Related lists
IT security consultants by geography
- IT security consultants based in Buenos Aires, Argentina
- IT security consultants based in Brisbane, Australia
- IT security consultants based in Canberra, Australia
- IT security consultants based in Melbourne, Australia
- IT security consultants based in Sydney, Australia
- IT security consultants based in Vienna, Austria
- IT security consultants based in Belo Horizonte, Brazil
- IT security consultants based in Brasilia, Brazil
- IT security consultants based in Rio De Janeiro, Brazil
- IT security consultants based in Sao Paulo, Brazil
- IT security consultants based in Calgary, Canada
- IT security consultants based in Montreal, Canada
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 security consultants based in Buenos Aires, Argentina
- IT security consultants based in Brisbane, Australia
- IT security consultants based in Canberra, Australia
- IT security consultants based in Melbourne, Australia
- IT security consultants based in Sydney, Australia
- IT security consultants based in Vienna, Austria
Company intelligence · public preview
Top 25 IT security consultants 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 3,918 matching company records for IT security consultants based in the United States, with 36,447 tracked contacts and 14,100 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: November 5, 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 consultants 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 |  OPTIVoptiv.comHQ: Leawood, KS, United StatesReported employees: 1,001-5,000 | Leawood, KS, United States | 1,001-5,000 | Exact match | 2,171 contacts → |
“Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Guidepoint Securityguidepointsecurity.comHQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,346 contacts → |
“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Trustwave, A Levelblue Companylevelblue.comHQ: Chicago, IL, United StatesReported employees: 501-1,000 | Chicago, IL, United States | 501-1,000 | Exact match | 733 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Palo Alto Networks Unit 42paloaltonetworks.comHQ: Santa Clara, CA, United StatesReported employees: 5,001-10,000 | Santa Clara, CA, United States | 5,001-10,000 | Exact match | 510 contacts → |
“Palo Alto Networks Unit 42 brings together world-renowned threat researchers with an elite team of incident responders and security consultants to create an intelligence-driven…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Kudelski Securitykudelskisecurity.comHQ: Cheseaux, TX, United StatesReported employees: 201-500 | Cheseaux, TX, United States | 201-500 | Exact match | 392 contacts → |
“Kudelski Security is a premier cybersecurity solutions provider, working with the most security-conscious organizations in Europe and across the United States.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  IANSiansresearch.comHQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 356 contacts → |
“For the security practitioner caught between rapidly evolving threats and demanding executives, IANS Research is a clear-headed resource for decision-making and articulating risk.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Security Risk Advisorssra.ioHQ: Philadelphia, PA, United StatesReported employees: 201-500 | Philadelphia, PA, United States | 201-500 | Exact match | 342 contacts → |
“We deliver cybersecurity consulting, 24x7 operations and SaaS to leading companies in the Financial Services, Healthcare, Pharmaceuticals, Technology and Retail industries.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Logicallylogically.comHQ: Dublin, OH, United StatesReported employees: 201-500 | Dublin, OH, United States | 201-500 | Exact match | 324 contacts → |
“Welcome to Logically.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Prescient Securityprescientsecurity.comHQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 317 contacts → |
“Prescient Security is a global cybersecurity and compliance firm delivering risk-based audits, advanced penetration testing, and end-to-end framework support.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Orion Security Solutionsorionsecuritysolutions.comHQ: Edmond, OK, United StatesReported employees: 51-200 | Edmond, OK, United States | 51-200 | Exact match | 261 contacts → |
“Orion Security Systems (OSS) provides elite technical, physical, and cyber security solutions for customers with simple to complex needs.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  NTGntgit.comHQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 247 contacts → |
“NTG is where excellence meets innovation.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Harbor ITharborit.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 243 contacts → |
“Harbor IT helps organizations secure, operate, and scale through integrated IT, cybersecurity, AI, and cloud services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Baxter Clewis Cybersecuritybaxterclewis.comHQ: Cedar Hill, TX, United StatesReported employees: 201-500 | Cedar Hill, TX, United States | 201-500 | Exact match | 243 contacts → |
“Baxter Clewis Cybersecurity, we bring to the table a unique set of experiences that allow us to best serve your cybersecurity needs.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Loginsoftloginsoft.comHQ: Chantilly, VA, United StatesReported employees: 201-500 | Chantilly, VA, United States | 201-500 | Exact match | 222 contacts → |
“For over 20 years, leading companies in Telecom, Cybersecurity, Healthcare, Banking, New Media, and more have come to rely on Loginsoft as a trusted resource for technology talent.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Sayerssayers.comHQ: Vernon Hills, MA, United StatesReported employees: 51-200 | Vernon Hills, MA, United States | 51-200 | Exact match | 215 contacts → |
“At Sayers, we offer expert guidance to help organizations tackle cyber, cloud, and IT infrastructure challenges.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Tevoratevora.comHQ: Irvine, VA, United StatesReported employees: 201-500 | Irvine, VA, United States | 201-500 | Exact match | 213 contacts → |
“Founded in 2003, Tevora is a specialized management consultancy focused on cybersecurity, risk, and compliance services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Cyber Advisorscyberadvisors.comHQ: Maple Grove, ND, United StatesReported employees: 201-500 | Maple Grove, ND, United States | 201-500 | Exact match | 212 contacts → |
“Cyber Advisors is a nationwide leader in cyber security, providing a comprehensive range of Offensive, Defensive, and Risk Management services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Deepseasdeepseas.comHQ: Globally Distributed, United StatesReported employees: 201-500 | Globally Distributed, United States | 201-500 | Exact match | 190 contacts → |
“With 30 years of experience in cyber defense, DeepSeas is trusted by nearly clients around the world, including Fortune 100 enterprises and mid-market organizations, municipality…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Mindpoint Group, A Quantum SKY Companymindpointgroup.comHQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 180 contacts → |
“MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Hiwaay Information Services, INChiwaay.netHQ: Huntsville, AL, United StatesReported employees: Not recorded | Huntsville, AL, United States | Not recorded | Exact match | 154 contacts → |
“HiWAAY's Network Services specializes in network design, business process analysis, information security and managed IT services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Nuharbornuharbor.comHQ: Colchester, DC, United StatesReported employees: 51-200 | Colchester, DC, United States | 51-200 | Exact match | 151 contacts → |
“nuHarbor is a U.S-based cybersecurity firm trusted by public sector and critical infrastructure organizations nationwide.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Cadre Information Securitycadre.netHQ: Cincinnati, OH, United StatesReported employees: 51-200 | Cincinnati, OH, United States | 51-200 | Exact match | 150 contacts → |
“Cadre is a network and information security solutions provider that serves large and medium-sized firms.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  OSC Edgeoscedge.comHQ: Atlanta, DC, United StatesReported employees: 51-200 | Atlanta, DC, United States | 51-200 | Exact match | 148 contacts → |
“From CND in the Cloud to CSfC with Enterprise Remote Capabilities, OSC Edge empowers organizations with solutions that prepare them for today and tomorrow.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Endsightendsight.netHQ: Napa, CA, United StatesReported employees: 51-200 | Napa, CA, United States | 51-200 | Exact match | 142 contacts → |
“California-based organizations hire Endsight to ensure that their technology systems operate effectively and align with their business goals.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  CTScharterts.comHQ: Brooklyn, United StatesReported employees: 51-200 | Brooklyn, United States | 51-200 | Exact match | 140 contacts → |
“CTS is an IT and Cybersecurity Solutions Provider dedicated to helping organizations, including commercial business, nonprofits, and schools, build secure, efficient, and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,918 company matches
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IT security consultants: dataset insights
November 5, 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
3,906 records in the displayed employee bands.
12 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 3,918 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: November 5, 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 consultants by metro
- IT security consultants in New York124
- IT security consultants in Atlanta76
- IT security consultants in Houston67
- IT security consultants in Austin66
- IT security consultants in Washington65
- IT security consultants in Chicago61
- IT security consultants in Dallas60
- IT security consultants in Tampa54
- IT security consultants in Miami49
- IT security consultants in San Francisco49
- IT security consultants in Los Angeles46
- IT security consultants in Charlotte38
- IT security consultants in Denver38
- IT security consultants in San Diego37
- IT security consultants in Arlington34
- IT security consultants in Seattle32
- IT security consultants in Orlando31
- IT security consultants in Boston30
- IT security consultants in Phoenix30
- IT security consultants in San Antonio30
- IT security consultants in Alexandria29
- IT security consultants in Las Vegas29
- IT security consultants in Reston25
Questions about this company list
What does Exact match mean for IT security consultants?
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 consultants did RevenueBase find based in the United States?
The saved snapshot records 3,918 matching company records, 36,447 tracked contacts and 14,100 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: November 5, 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 consultants by geography
- IT security consultants based in Buenos Aires, Argentina
- IT security consultants based in Brisbane, Australia
- IT security consultants based in Canberra, Australia
- IT security consultants based in Melbourne, Australia
- IT security consultants based in Sydney, Australia
- IT security consultants based in Vienna, Austria
- IT security consultants based in Belo Horizonte, Brazil
- IT security consultants based in Brasilia, Brazil
- IT security consultants based in Rio De Janeiro, Brazil
- IT security consultants based in Sao Paulo, Brazil
- IT security consultants based in Calgary, Canada
- IT security consultants based in Montreal, Canada
Cite this list
RevenueBase Data Team. Top 25 IT security consultants based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/it-security-consultants/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 consultants based in Buenos Aires, Argentina
- IT security consultants based in Brisbane, Australia
- IT security consultants based in Canberra, Australia
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Company intelligence · public preview
Top 25 IT security consultants based in the United States
RevenueBase records 3,918 matching company records for IT security consultants based in the United States, with 36,447 tracked contacts and 14,100 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: November 5, 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 consultants 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 | OPTIVoptiv.com HQ: Leawood, KS, United StatesReported employees: 1,001-5,000 | Leawood, KS, United States | 1,001-5,000 | Exact match | 2,171 contacts → |
“Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Guidepoint Securityguidepointsecurity.com HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,346 contacts → |
“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Trustwave, A Levelblue Companylevelblue.com HQ: Chicago, IL, United StatesReported employees: 501-1,000 | Chicago, IL, United States | 501-1,000 | Exact match | 733 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Palo Alto Networks Unit 42paloaltonetworks.com HQ: Santa Clara, CA, United StatesReported employees: 5,001-10,000 | Santa Clara, CA, United States | 5,001-10,000 | Exact match | 510 contacts → |
“Palo Alto Networks Unit 42 brings together world-renowned threat researchers with an elite team of incident responders and security consultants to create an intelligence-driven…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Kudelski Securitykudelskisecurity.com HQ: Cheseaux, TX, United StatesReported employees: 201-500 | Cheseaux, TX, United States | 201-500 | Exact match | 392 contacts → |
“Kudelski Security is a premier cybersecurity solutions provider, working with the most security-conscious organizations in Europe and across the United States.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | IANSiansresearch.com HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 356 contacts → |
“For the security practitioner caught between rapidly evolving threats and demanding executives, IANS Research is a clear-headed resource for decision-making and articulating risk.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Security Risk Advisorssra.io HQ: Philadelphia, PA, United StatesReported employees: 201-500 | Philadelphia, PA, United States | 201-500 | Exact match | 342 contacts → |
“We deliver cybersecurity consulting, 24x7 operations and SaaS to leading companies in the Financial Services, Healthcare, Pharmaceuticals, Technology and Retail industries.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Logicallylogically.com HQ: Dublin, OH, United StatesReported employees: 201-500 | Dublin, OH, United States | 201-500 | Exact match | 324 contacts → |
“Welcome to Logically.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Prescient Securityprescientsecurity.com HQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 317 contacts → |
“Prescient Security is a global cybersecurity and compliance firm delivering risk-based audits, advanced penetration testing, and end-to-end framework support.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Orion Security Solutionsorionsecuritysolutions.com HQ: Edmond, OK, United StatesReported employees: 51-200 | Edmond, OK, United States | 51-200 | Exact match | 261 contacts → |
“Orion Security Systems (OSS) provides elite technical, physical, and cyber security solutions for customers with simple to complex needs.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | NTGntgit.com HQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 247 contacts → |
“NTG is where excellence meets innovation.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Harbor ITharborit.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 243 contacts → |
“Harbor IT helps organizations secure, operate, and scale through integrated IT, cybersecurity, AI, and cloud services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Baxter Clewis Cybersecuritybaxterclewis.com HQ: Cedar Hill, TX, United StatesReported employees: 201-500 | Cedar Hill, TX, United States | 201-500 | Exact match | 243 contacts → |
“Baxter Clewis Cybersecurity, we bring to the table a unique set of experiences that allow us to best serve your cybersecurity needs.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Loginsoftloginsoft.com HQ: Chantilly, VA, United StatesReported employees: 201-500 | Chantilly, VA, United States | 201-500 | Exact match | 222 contacts → |
“For over 20 years, leading companies in Telecom, Cybersecurity, Healthcare, Banking, New Media, and more have come to rely on Loginsoft as a trusted resource for technology talent.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Sayerssayers.com HQ: Vernon Hills, MA, United StatesReported employees: 51-200 | Vernon Hills, MA, United States | 51-200 | Exact match | 215 contacts → |
“At Sayers, we offer expert guidance to help organizations tackle cyber, cloud, and IT infrastructure challenges.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Tevoratevora.com HQ: Irvine, VA, United StatesReported employees: 201-500 | Irvine, VA, United States | 201-500 | Exact match | 213 contacts → |
“Founded in 2003, Tevora is a specialized management consultancy focused on cybersecurity, risk, and compliance services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Cyber Advisorscyberadvisors.com HQ: Maple Grove, ND, United StatesReported employees: 201-500 | Maple Grove, ND, United States | 201-500 | Exact match | 212 contacts → |
“Cyber Advisors is a nationwide leader in cyber security, providing a comprehensive range of Offensive, Defensive, and Risk Management services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Deepseasdeepseas.com HQ: Globally Distributed, United StatesReported employees: 201-500 | Globally Distributed, United States | 201-500 | Exact match | 190 contacts → |
“With 30 years of experience in cyber defense, DeepSeas is trusted by nearly clients around the world, including Fortune 100 enterprises and mid-market organizations, municipality…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Mindpoint Group, A Quantum SKY Companymindpointgroup.com HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 180 contacts → |
“MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Hiwaay Information Services, INChiwaay.net HQ: Huntsville, AL, United StatesReported employees: Not recorded | Huntsville, AL, United States | Not recorded | Exact match | 154 contacts → |
“HiWAAY's Network Services specializes in network design, business process analysis, information security and managed IT services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Nuharbornuharbor.com HQ: Colchester, DC, United StatesReported employees: 51-200 | Colchester, DC, United States | 51-200 | Exact match | 151 contacts → |
“nuHarbor is a U.S-based cybersecurity firm trusted by public sector and critical infrastructure organizations nationwide.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Cadre Information Securitycadre.net HQ: Cincinnati, OH, United StatesReported employees: 51-200 | Cincinnati, OH, United States | 51-200 | Exact match | 150 contacts → |
“Cadre is a network and information security solutions provider that serves large and medium-sized firms.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | OSC Edgeoscedge.com HQ: Atlanta, DC, United StatesReported employees: 51-200 | Atlanta, DC, United States | 51-200 | Exact match | 148 contacts → |
“From CND in the Cloud to CSfC with Enterprise Remote Capabilities, OSC Edge empowers organizations with solutions that prepare them for today and tomorrow.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Endsightendsight.net HQ: Napa, CA, United StatesReported employees: 51-200 | Napa, CA, United States | 51-200 | Exact match | 142 contacts → |
“California-based organizations hire Endsight to ensure that their technology systems operate effectively and align with their business goals.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | CTScharterts.com HQ: Brooklyn, United StatesReported employees: 51-200 | Brooklyn, United States | 51-200 | Exact match | 140 contacts → |
“CTS is an IT and Cybersecurity Solutions Provider dedicated to helping organizations, including commercial business, nonprofits, and schools, build secure, efficient, and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,918 company matches
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IT security consultants: dataset insights
November 5, 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
3,906 records in the displayed employee bands.
12 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 3,918 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: November 5, 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 consultants by metro
- IT security consultants in New York124
- IT security consultants in Atlanta76
- IT security consultants in Houston67
- IT security consultants in Austin66
- IT security consultants in Washington65
- IT security consultants in Chicago61
- IT security consultants in Dallas60
- IT security consultants in Tampa54
- IT security consultants in Miami49
- IT security consultants in San Francisco49
- IT security consultants in Los Angeles46
- IT security consultants in Charlotte38
- IT security consultants in Denver38
- IT security consultants in San Diego37
- IT security consultants in Arlington34
- IT security consultants in Seattle32
- IT security consultants in Orlando31
- IT security consultants in Boston30
- IT security consultants in Phoenix30
- IT security consultants in San Antonio30
- IT security consultants in Alexandria29
- IT security consultants in Las Vegas29
- IT security consultants in Reston25
Questions about this company list
What does Exact match mean for IT security consultants?
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 consultants did RevenueBase find based in the United States?
The saved snapshot records 3,918 matching company records, 36,447 tracked contacts and 14,100 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: November 5, 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 consultants by geography
- IT security consultants based in Buenos Aires, Argentina
- IT security consultants based in Brisbane, Australia
- IT security consultants based in Canberra, Australia
- IT security consultants based in Melbourne, Australia
- IT security consultants based in Sydney, Australia
- IT security consultants based in Vienna, Austria
- IT security consultants based in Belo Horizonte, Brazil
- IT security consultants based in Brasilia, Brazil
- IT security consultants based in Rio De Janeiro, Brazil
- IT security consultants based in Sao Paulo, Brazil
- IT security consultants based in Calgary, Canada
- IT security consultants based in Montreal, Canada
Cite this list
RevenueBase Data Team. Top 25 IT security consultants based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/it-security-consultants/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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