Company lists · Data refreshed November 2026
Top 25 Penetration testing and red team services based in the United States
RevenueBase identified 807 company matches for penetration testing and red team services associated with the United States as of November 2026 and tracks 10,911 professional contacts across them, including 4,134 with verified work emails. New York is the largest hub.
This list covers company matches for penetration testing and red team services 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 6, 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 penetration testing and red team services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 6, 2026 · View company records in RevenueBase | |||||
| 2 | 693 contacts → | ||||
Exact match “The Synack Red Team is a private freelance security research team that spans 6 continents and over 80 countries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 608 contacts → | ||||
Exact match “NetSPI® pioneered Penetration Testing as a Service (PTaaS) and leads the industry in modern, continuous pentesting.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 387 contacts → | ||||
Exact match “Dark Wolf provides DevSecOps agile software development, information operations, penetration testing and incident response, applied research and rapid prototyping, machine…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 357 contacts → | ||||
Exact match “Bishop Fox is recognized as the leading authority in offensive security, providing solutions ranging from continuous penetration testing, red teaming, and attack surface…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 335 contacts → | ||||
Exact match “Cobalt is the pioneer in pentesting as a service and a leader in offensive security services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 271 contacts → | ||||
Exact match “Designed for companies that want to manage their security posture against the evolving threat landscape.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 251 contacts → | ||||
Exact match “A veteran-owned cybersecurity company focused on penetration testing, security training, and compliance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 243 contacts → | ||||
Exact match “Securin is an AI-native cybersecurity company that helps organizations discover, validate, prioritize, and mobilize against exploitable risk, before attackers can act.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 240 contacts → | ||||
Exact match “XBOW is the autonomous offensive security company redefining cyber defense for the AI era.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 173 contacts → | ||||
Exact match “For nearly two decades, Millennium Corporation has been operating on the leading edge of cybersecurity.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 164 contacts → | ||||
Exact match “BreachLock is a global leader in Continuous Attack Surface Discovery and Penetration Testing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 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 6, 2026 · View company records in RevenueBase | |||||
| 14 | 140 contacts → | ||||
Exact match “We specialize in penetration testing, red teaming, threat hunting, Active SOC services, and educational webinars, workshops, and training.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 124 contacts → | ||||
Exact match “Praetorian helps enterprises reduce material risk by revealing their environment exactly as an attacker would.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 103 contacts → | ||||
Exact match “FireCompass is an Agentic AI platform for autonomous penetration testing and red teaming across Web, API, and infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 102 contacts → | ||||
Exact match “DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 89 contacts → | ||||
Exact match “PlexTrac is the leading AI-powered platform for pentest reporting and threat exposure management, trusted by Fortune 500 companies and top security providers including Expedia…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 83 contacts → | ||||
Exact match “NTT Application Security is driving the future of application security.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 79 contacts → | ||||
Exact match “OnDefend specializes in advanced cybersecurity testing that delivers ongoing security validation across the most complex technology environments.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 65 contacts → | ||||
Exact match “Evolve Security is an offensive cybersecurity solution, delivering continuous penetration testing with the optimal blend of AI automation and human expertise, providing peace of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 65 contacts → | ||||
Exact match “SandTech Solutions is a Certified 8a member as well as a Service Disabled Veteran-Owned Small Business (SDVOSB).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 60 contacts → | ||||
Exact match “BreakPoint Labs, a Valiant Solutions Company, delivers offensive and defensive cybersecurity to the Department of War, federal agencies, and commercial organizations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 58 contacts → | ||||
Exact match “BuddoBot has been a pioneering force in cybersecurity and data security since 2008.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 57 contacts → | ||||
Exact match “Founded in 2010, Compass IT Compliance is a nationwide leader in providing IT security, compliance, and risk management services to organizations of all sizes in all industries.” Recorded in the RevenueBase company graph · Nov 6, 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 “penetration testing and red team services”. 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 807 penetration testing and red team services based in the United States
See the full list, filter by size, metro and specialty, and access 4,134 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Penetration testing and red team services based in the United States at a glance
As of Nov 6, 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 807 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 “penetration testing and red team services” 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 4,134 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 6, 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.
Penetration testing and red team services by metro
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 “penetration testing and red team services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many penetration testing and red team services are there based in the United States?
RevenueBase identified 807 company matches for penetration testing and red team services 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?
Trustwave, A Levelblue Company tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most penetration testing and red team services?
New York leads with 40 company records, followed by San Francisco (24) and Austin (23).
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 4,134 professional contacts with verified work emails tracked across these 807 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 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 807 penetration testing and red team services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Penetration testing and red team services by geography
- Penetration testing and red team services based in Melbourne, Australia
- Penetration testing and red team services based in Sydney, Australia
- Penetration testing and red team services based in Sao Paulo, Brazil
- Penetration testing and red team services based in Toronto, Canada
- Penetration testing and red team services based in Paris, France
- Penetration testing and red team services based in Bangalore, India
- Penetration testing and red team services based in Dubai, United Arab Emirates
- Penetration testing and red team services based in London, United Kingdom
- Penetration testing and red team services based in New York, United States
- Penetration testing and red team services based in Australia
- Penetration testing and red team services based in Austria
- Penetration testing and red team services based in 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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Penetration testing and red team services based in Melbourne, Australia
- Penetration testing and red team services based in Sydney, Australia
- Penetration testing and red team services based in Sao Paulo, Brazil
- Penetration testing and red team services based in Toronto, Canada
- Penetration testing and red team services based in Paris, France
- Penetration testing and red team services based in Bangalore, India
Company intelligence · public preview
Top 25 penetration testing and red team services 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 807 matching company records for penetration testing and red team services based in the United States, with 10,911 tracked contacts and 4,134 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 6, 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 penetration testing and red team services 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 |  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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Synack RED Teamsynack.comHQ: Austin, TX, United StatesReported employees: Not recorded | Austin, TX, United States | Not recorded | Exact match | 693 contacts → |
“The Synack Red Team is a private freelance security research team that spans 6 continents and over 80 countries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Netspinetspi.comHQ: Minneapolis, MN, United StatesReported employees: 501-1,000 | Minneapolis, MN, United States | 501-1,000 | Exact match | 608 contacts → |
“NetSPI® pioneered Penetration Testing as a Service (PTaaS) and leads the industry in modern, continuous pentesting.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Dark Wolfdarkwolf.ioHQ: Herndon, UT, United StatesReported employees: 501-1,000 | Herndon, UT, United States | 501-1,000 | Exact match | 387 contacts → |
“Dark Wolf provides DevSecOps agile software development, information operations, penetration testing and incident response, applied research and rapid prototyping, machine…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Bishop FOXbishopfox.comHQ: Tempe, AZ, United StatesReported employees: 201-500 | Tempe, AZ, United States | 201-500 | Exact match | 357 contacts → |
“Bishop Fox is recognized as the leading authority in offensive security, providing solutions ranging from continuous penetration testing, red teaming, and attack surface…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Cobaltcobalt.ioHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 335 contacts → |
“Cobalt is the pioneer in pentesting as a service and a leader in offensive security services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Cymulatecymulate.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 271 contacts → |
“Designed for companies that want to manage their security posture against the evolving threat landscape.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  TCM Securitytcm.rocksHQ: Charlotte, NC, United StatesReported employees: Not recorded | Charlotte, NC, United States | Not recorded | Exact match | 251 contacts → |
“A veteran-owned cybersecurity company focused on penetration testing, security training, and compliance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Securin INCsecurin.ioHQ: Albuquerque, NM, United StatesReported employees: 201-500 | Albuquerque, NM, United States | 201-500 | Exact match | 243 contacts → |
“Securin is an AI-native cybersecurity company that helps organizations discover, validate, prioritize, and mobilize against exploitable risk, before attackers can act.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  XBOWxbow.comHQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 240 contacts → |
“XBOW is the autonomous offensive security company redefining cyber defense for the AI era.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Millennium Corporationmillgroupinc.com HQ: Arlington, VA, United StatesReported employees: 201-500 | Arlington, VA, United States | 201-500 | Exact match | 173 contacts → |
“For nearly two decades, Millennium Corporation has been operating on the leading edge of cybersecurity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Breachlock, INCbreachlock.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 164 contacts → |
“BreachLock is a global leader in Continuous Attack Surface Discovery and Penetration Testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Black Hills Information Securityblackhillsinfosec.comHQ: Spearfish, SD, United StatesReported employees: 51-200 | Spearfish, SD, United States | 51-200 | Exact match | 140 contacts → |
“We specialize in penetration testing, red teaming, threat hunting, Active SOC services, and educational webinars, workshops, and training.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Praetorianpraetorian.comHQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 124 contacts → |
“Praetorian helps enterprises reduce material risk by revealing their environment exactly as an attacker would.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Firecompassfirecompass.comHQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 103 contacts → |
“FireCompass is an Agentic AI platform for autonomous penetration testing and red teaming across Web, API, and infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Directdefensedirectdefense.comHQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 102 contacts → |
“DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Plextracplextrac.comHQ: Boise, ID, United StatesReported employees: 51-200 | Boise, ID, United States | 51-200 | Exact match | 89 contacts → |
“PlexTrac is the leading AI-powered platform for pentest reporting and threat exposure management, trusted by Fortune 500 companies and top security providers including Expedia…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Whitehat Dynamic By Synopsyswhitehatsec.comHQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 83 contacts → |
“NTT Application Security is driving the future of application security.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Ondefendondefend.comHQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 79 contacts → |
“OnDefend specializes in advanced cybersecurity testing that delivers ongoing security validation across the most complex technology environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Evolve Securityevolvesecurity.comHQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 65 contacts → |
“Evolve Security is an offensive cybersecurity solution, delivering continuous penetration testing with the optimal blend of AI automation and human expertise, providing peace of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Sandtech Solutionssandtechsolutions.comHQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 65 contacts → |
“SandTech Solutions is a Certified 8a member as well as a Service Disabled Veteran-Owned Small Business (SDVOSB).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Breakpoint Labsbreakpoint-labs.comHQ: Mclean, VA, United StatesReported employees: 51-200 | Mclean, VA, United States | 51-200 | Exact match | 60 contacts → |
“BreakPoint Labs, a Valiant Solutions Company, delivers offensive and defensive cybersecurity to the Department of War, federal agencies, and commercial organizations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Buddobotbuddobot.comHQ: O'fallon, IL, United StatesReported employees: 51-200 | O'fallon, IL, United States | 51-200 | Exact match | 58 contacts → |
“BuddoBot has been a pioneering force in cybersecurity and data security since 2008.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Compass IT Compliancecompassitc.comHQ: North Providence, RI, United StatesReported employees: 11-50 | North Providence, RI, United States | 11-50 | Exact match | 57 contacts → |
“Founded in 2010, Compass IT Compliance is a nationwide leader in providing IT security, compliance, and risk management services to organizations of all sizes in all industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 807 company matches
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Penetration testing and red team services: dataset insights
November 6, 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
806 records in the displayed employee bands.
1 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 807 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 6, 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 ↗
Penetration testing and red team services by metro
Questions about this company list
What does Exact match mean for penetration testing and red team services?
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 penetration testing and red team services did RevenueBase find based in the United States?
The saved snapshot records 807 matching company records, 10,911 tracked contacts and 4,134 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 6, 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
Penetration testing and red team services by geography
- Penetration testing and red team services based in Melbourne, Australia
- Penetration testing and red team services based in Sydney, Australia
- Penetration testing and red team services based in Sao Paulo, Brazil
- Penetration testing and red team services based in Toronto, Canada
- Penetration testing and red team services based in Paris, France
- Penetration testing and red team services based in Bangalore, India
- Penetration testing and red team services based in Dubai, United Arab Emirates
- Penetration testing and red team services based in London, United Kingdom
- Penetration testing and red team services based in New York, United States
- Penetration testing and red team services based in Australia
- Penetration testing and red team services based in Austria
- Penetration testing and red team services based in Brazil
Cite this list
RevenueBase Data Team. Top 25 penetration testing and red team services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/penetration-testing-and-red-team-services/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
- Penetration testing and red team services based in Melbourne, Australia
- Penetration testing and red team services based in Sydney, Australia
- Penetration testing and red team services based in Sao Paulo, Brazil
- Penetration testing and red team services based in Toronto, Canada
- Penetration testing and red team services based in Paris, France
- Penetration testing and red team services based in Bangalore, India
Company intelligence · public preview
Top 25 penetration testing and red team services based in the United States
RevenueBase records 807 matching company records for penetration testing and red team services based in the United States, with 10,911 tracked contacts and 4,134 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 6, 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 penetration testing and red team services 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 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Synack RED Teamsynack.com HQ: Austin, TX, United StatesReported employees: Not recorded | Austin, TX, United States | Not recorded | Exact match | 693 contacts → |
“The Synack Red Team is a private freelance security research team that spans 6 continents and over 80 countries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Netspinetspi.com HQ: Minneapolis, MN, United StatesReported employees: 501-1,000 | Minneapolis, MN, United States | 501-1,000 | Exact match | 608 contacts → |
“NetSPI® pioneered Penetration Testing as a Service (PTaaS) and leads the industry in modern, continuous pentesting.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Dark Wolfdarkwolf.io HQ: Herndon, UT, United StatesReported employees: 501-1,000 | Herndon, UT, United States | 501-1,000 | Exact match | 387 contacts → |
“Dark Wolf provides DevSecOps agile software development, information operations, penetration testing and incident response, applied research and rapid prototyping, machine…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Bishop FOXbishopfox.com HQ: Tempe, AZ, United StatesReported employees: 201-500 | Tempe, AZ, United States | 201-500 | Exact match | 357 contacts → |
“Bishop Fox is recognized as the leading authority in offensive security, providing solutions ranging from continuous penetration testing, red teaming, and attack surface…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cobaltcobalt.io HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 335 contacts → |
“Cobalt is the pioneer in pentesting as a service and a leader in offensive security services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Cymulatecymulate.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 271 contacts → |
“Designed for companies that want to manage their security posture against the evolving threat landscape.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | TCM Securitytcm.rocks HQ: Charlotte, NC, United StatesReported employees: Not recorded | Charlotte, NC, United States | Not recorded | Exact match | 251 contacts → |
“A veteran-owned cybersecurity company focused on penetration testing, security training, and compliance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Securin INCsecurin.io HQ: Albuquerque, NM, United StatesReported employees: 201-500 | Albuquerque, NM, United States | 201-500 | Exact match | 243 contacts → |
“Securin is an AI-native cybersecurity company that helps organizations discover, validate, prioritize, and mobilize against exploitable risk, before attackers can act.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | XBOWxbow.com HQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 240 contacts → |
“XBOW is the autonomous offensive security company redefining cyber defense for the AI era.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Millennium Corporationmillgroupinc.com HQ: Arlington, VA, United StatesReported employees: 201-500 | Arlington, VA, United States | 201-500 | Exact match | 173 contacts → |
“For nearly two decades, Millennium Corporation has been operating on the leading edge of cybersecurity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Breachlock, INCbreachlock.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 164 contacts → |
“BreachLock is a global leader in Continuous Attack Surface Discovery and Penetration Testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Black Hills Information Securityblackhillsinfosec.com HQ: Spearfish, SD, United StatesReported employees: 51-200 | Spearfish, SD, United States | 51-200 | Exact match | 140 contacts → |
“We specialize in penetration testing, red teaming, threat hunting, Active SOC services, and educational webinars, workshops, and training.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Praetorianpraetorian.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 124 contacts → |
“Praetorian helps enterprises reduce material risk by revealing their environment exactly as an attacker would.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Firecompassfirecompass.com HQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 103 contacts → |
“FireCompass is an Agentic AI platform for autonomous penetration testing and red teaming across Web, API, and infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Directdefensedirectdefense.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 102 contacts → |
“DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Plextracplextrac.com HQ: Boise, ID, United StatesReported employees: 51-200 | Boise, ID, United States | 51-200 | Exact match | 89 contacts → |
“PlexTrac is the leading AI-powered platform for pentest reporting and threat exposure management, trusted by Fortune 500 companies and top security providers including Expedia…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Whitehat Dynamic By Synopsyswhitehatsec.com HQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 83 contacts → |
“NTT Application Security is driving the future of application security.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Ondefendondefend.com HQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 79 contacts → |
“OnDefend specializes in advanced cybersecurity testing that delivers ongoing security validation across the most complex technology environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Evolve Securityevolvesecurity.com HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 65 contacts → |
“Evolve Security is an offensive cybersecurity solution, delivering continuous penetration testing with the optimal blend of AI automation and human expertise, providing peace of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Sandtech Solutionssandtechsolutions.com HQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 65 contacts → |
“SandTech Solutions is a Certified 8a member as well as a Service Disabled Veteran-Owned Small Business (SDVOSB).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Breakpoint Labsbreakpoint-labs.com HQ: Mclean, VA, United StatesReported employees: 51-200 | Mclean, VA, United States | 51-200 | Exact match | 60 contacts → |
“BreakPoint Labs, a Valiant Solutions Company, delivers offensive and defensive cybersecurity to the Department of War, federal agencies, and commercial organizations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Buddobotbuddobot.com HQ: O'fallon, IL, United StatesReported employees: 51-200 | O'fallon, IL, United States | 51-200 | Exact match | 58 contacts → |
“BuddoBot has been a pioneering force in cybersecurity and data security since 2008.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Compass IT Compliancecompassitc.com HQ: North Providence, RI, United StatesReported employees: 11-50 | North Providence, RI, United States | 11-50 | Exact match | 57 contacts → |
“Founded in 2010, Compass IT Compliance is a nationwide leader in providing IT security, compliance, and risk management services to organizations of all sizes in all industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 807 company matches
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Penetration testing and red team services: dataset insights
November 6, 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
806 records in the displayed employee bands.
1 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 807 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 6, 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 ↗
Penetration testing and red team services by metro
Questions about this company list
What does Exact match mean for penetration testing and red team services?
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 penetration testing and red team services did RevenueBase find based in the United States?
The saved snapshot records 807 matching company records, 10,911 tracked contacts and 4,134 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 6, 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.
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Cite this list
RevenueBase Data Team. Top 25 penetration testing and red team services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/penetration-testing-and-red-team-services/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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