Company lists · Data refreshed September 2026

Top 25 Nonprofit cybersecurity consulting firms based in the United States

Name: Nonprofit cybersecurity consulting firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 4,259 companies tracked

RevenueBase identified 4,259 company matches for nonprofit cybersecurity consulting firms associated with the United States as of September 2026 and tracks 41,377 professional contacts across them, including 16,162 with verified work emails. New York is the largest hub.

This list covers company matches for nonprofit cybersecurity consulting firms associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built

4,259Companies

41,377Contacts tracked

16,162Verified emails

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The 25 largest nonprofit cybersecurity consulting firms based in the United States

Ranked by team size

Top 25 of 4,259 company matches for nonprofit cybersecurity consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Sep 29, 2026	1,001-5,000	2,222 contacts →
	Exact match “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Guidepoint Security	Exact match	Reston, VA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,232 contacts →
	Exact match “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Coalfire	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	947 contacts →
	Exact match “Coalfire is the premier Cybersecurity and Compliance Services leader for the tech, healthcare, and finance industries.(This page is maintained by Marketing.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Offsec	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	201-500	879 contacts →
	Exact match “Empowering the world to fight cyber threats with indispensable cybersecurity skills and resources.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	Application Specialist Kompany ASK	Exact match	Lansing, MI, United StatesHQ recorded Sep 29, 2026	n/a	785 contacts →
	Exact match “ASK is now Convergence Networks!” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	Telos Corporation	Exact match	Ashburn, VA, United StatesHQ recorded Sep 29, 2026	501-1,000	629 contacts →
	Exact match “Telos Corporation (NASDAQ: TLS) empowers and protects the world’s most security-conscious organizations with efficient, adaptable, and secure solutions that safeguard people…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	Ultraviolet Cyber	Exact match	Mclean, VA, United StatesHQ recorded Sep 29, 2026	501-1,000	523 contacts →
	Exact match “UltraViolet Cyber is the only security operations partner that unifies red, blue, and purple team capabilities into one integrated program, finding what's vulnerable, stopping…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Palo Alto Networks Unit 42	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 29, 2026	5,001-10,000	441 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 · Sep 29, 2026 · View company records in RevenueBase
9	Cyber Security Forum Initiative	Exact match	Omaha, NE, United StatesHQ recorded Sep 29, 2026	51-200	417 contacts →
	Exact match “The Cyber Security Forum Initiative (CSFI) is a non-profit organization headquartered in Omaha, NE and in Washington DC with a mission "to provide Cyber Warfare awareness…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	IBN Technologies	Exact match	Miami, FL, United StatesHQ recorded Sep 29, 2026	51-200	365 contacts →
	Exact match “Welcome to IBN Technologies, LLC, Your Trusted Partner in Cybersecurity, Cloud, and Finance Solutions With 26+ years of expertise, IBN Technologies leads in delivering integrated…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	Bishop FOX	Exact match	Tempe, AZ, United StatesHQ recorded Sep 29, 2026	201-500	344 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 · Sep 29, 2026 · View company records in RevenueBase
12	IANS	Exact match	Boston, MA, United StatesHQ recorded Sep 29, 2026	51-200	327 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 · Sep 29, 2026 · View company records in RevenueBase
13	Security Risk Advisors	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 29, 2026	201-500	315 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 · Sep 29, 2026 · View company records in RevenueBase
14	Prescient Security	Exact match	Nashville, TN, United StatesHQ recorded Sep 29, 2026	201-500	272 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 · Sep 29, 2026 · View company records in RevenueBase
15	Millennium Corporation	Exact match	Arlington, VA, United StatesHQ recorded Sep 29, 2026	201-500	265 contacts →
	Exact match “For nearly two decades, Millennium Corporation has been operating on the leading edge of cybersecurity.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	Baxter Clewis Cybersecurity	Exact match	Cedar Hill, TX, United StatesHQ recorded Sep 29, 2026	201-500	255 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 · Sep 29, 2026 · View company records in RevenueBase
17	Lumifi	Exact match	Scottsdale, AZ, United StatesHQ recorded Sep 29, 2026	51-200	249 contacts →
	Exact match “Lumifi Cyber helps organizations illuminate their cyber defense with continuous protection across the full security lifecycle.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	NTG	Exact match	Tampa, FL, United StatesHQ recorded Sep 29, 2026	51-200	236 contacts →
	Exact match “NTG is where excellence meets innovation.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Sawdey Solution Services	Exact match	Beavercreek, OH, United StatesHQ recorded Sep 29, 2026	201-500	234 contacts →
	Exact match “For over 20 years, Sawdey Solutions Services has provided both Government and commercial clients with innovative cross-disciplined professional services that aim not only to…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	TCM Security	Exact match	Charlotte, NC, United StatesHQ recorded Sep 29, 2026	n/a	206 contacts →
	Exact match “A veteran-owned cybersecurity company focused on penetration testing, security training, and compliance.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Mindpoint Group, A Quantum SKY Company	Exact match	Reston, VA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	204 contacts →
	Exact match “MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	Tevora	Exact match	Irvine, CA, United StatesHQ recorded Sep 29, 2026	201-500	199 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 · Sep 29, 2026 · View company records in RevenueBase
23	Safeaeon INC	Exact match	Pleasanton, CA, United StatesHQ recorded Sep 29, 2026	51-200	196 contacts →
	Exact match “SafeAeon leads the industry as a top-tier Cybersecurity-as-a-Service provider, delivering 24x7 premium Managed Security Services with AI-powered and human-driven 24x7 SOC…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Deepseas	Exact match	Globally Distributed, United StatesHQ recorded Sep 29, 2026	201-500	182 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 · Sep 29, 2026 · View company records in RevenueBase
25	Cypfer	Exact match	Miami, FL, United StatesHQ recorded Sep 29, 2026	51-200	178 contacts →
	Exact match “Global Cyber Certainty Champions, in an uncertain digital world.” Recorded in the RevenueBase company graph · Sep 29, 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 “nonprofit cybersecurity consulting firms”. 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 4,259 nonprofit cybersecurity consulting firms based in the United States

See the full list, filter by size, metro and specialty, and access 16,162 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit cybersecurity consulting firms based in the United States at a glance

As of Sep 29, 2026

39.1%Verified-email coverage

9.7Average contacts per company

1-10Median size (employees)

3.1%Largest-city concentration · New York

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

2,796

11-50

1,108

51-200

271

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 4,259 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 “nonprofit cybersecurity consulting firms” 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 16,162 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 29, 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.

Nonprofit cybersecurity consulting firms 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 “nonprofit cybersecurity consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit cybersecurity consulting firms are there based in the United States?

RevenueBase identified 4,259 company matches for nonprofit cybersecurity consulting firms associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

OPTIV tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most nonprofit cybersecurity consulting firms?

New York leads with 130 company records, followed by Washington (101) and Atlanta (92).

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 16,162 professional contacts with verified work emails tracked across these 4,259 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

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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.