Company lists · Data refreshed September 2026

Top 25 IT and cybersecurity audit services based in the United States

Name: IT and cybersecurity audit services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 3,505 companies tracked

RevenueBase identified 3,505 company matches for IT and cybersecurity audit services associated with the United States as of September 2026 and tracks 42,738 professional contacts across them, including 18,143 with verified work emails. New York is the largest hub.

This list covers company matches for IT and cybersecurity audit 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 September 21, 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 21, 2026 How this list was built

3,505Companies

42,738Contacts tracked

18,143Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest IT and cybersecurity audit services based in the United States

Ranked by team size

Top 25 of 3,505 company matches for IT and cybersecurity audit services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 21, 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 21, 2026 · View company records in RevenueBase
2	Thales Cybersecurity Products	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,252 contacts →
	Exact match “Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Guidepoint Security	Exact match	Reston, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
4	Coalfire	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
5	Cyderes	Exact match	Kansas City, MO, United StatesHQ recorded Sep 21, 2026	1,001-5,000	844 contacts →
	Exact match “Today’s threatscape is relentless.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	A-Lign	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	501-1,000	798 contacts →
	Exact match “A-LIGN is the leading provider of high-quality, efficient cybersecurity compliance programs.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Network Intelligence	Exact match	Plano, TX, United StatesHQ recorded Sep 21, 2026	501-1,000	641 contacts →
	Exact match “At Network Intelligence, we combine our team of 500+ security professionals with Transilience – our cutting-edge AI platform.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Telos Corporation	Exact match	Ashburn, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
9	Vikingcloud	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	1,001-5,000	628 contacts →
	Exact match “VikingCloud delivers battle-tested cybersecurity and compliance solutions that simply work.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	ACI Learning	Exact match	Colorado Springs, CO, United StatesHQ recorded Sep 21, 2026	201-500	530 contacts →
	Exact match “ACI Learning trains the leaders in Audit, Cybersecurity, and Information Technology.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Aujas Cybersecurity	Exact match	Cupertino, CA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	473 contacts →
	Exact match “At Aujas Cybersecurity, we specialize in building and transforming cybersecurity postures to help businesses effectively mitigate risks.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Controlcase	Exact match	Fairfax, VA, United StatesHQ recorded Sep 21, 2026	201-500	411 contacts →
	Exact match “ControlCase is committed to bringing peace of mind to the world’s IT compliance programs through our signature partnership approach, commitment to automation, and cost-effective…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	IBN Technologies	Exact match	Miami, FL, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
14	Security Risk Advisors	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
15	Amsys Innovative Solutions	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	201-500	302 contacts →
	Exact match “AMSYS is a nationwide IT Services Provider headquartered in Houston, TX.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Prescient Security	Exact match	Nashville, TN, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
17	Baxter Clewis Cybersecurity	Exact match	Cedar Hill, TX, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
18	Thoropass	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	201-500	243 contacts →
	Exact match “Thoropass is the only end-to-end cybersecurity auditor.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Magna5	Exact match	Canonsburg, PA, United StatesHQ recorded Sep 21, 2026	201-500	238 contacts →
	Exact match “Magna5 is a national managed IT and cybersecurity services provider supporting organizations that require always‑on availability, strong security, and regulatory compliance.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Epsilon Inc., An American Systems Company	Exact match	Weaverville, NC, United StatesHQ recorded Sep 21, 2026	201-500	225 contacts →
	Exact match “Epsilon, an AMERICAN SYSTEMS company, began with a simple yet powerful mission: to make IT empower people-not frustrate them.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Loginsoft	Exact match	Chantilly, VA, United StatesHQ recorded Sep 21, 2026	201-500	220 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 · Sep 21, 2026 · View company records in RevenueBase
22	Sayers	Exact match	Vernon Hills, IL, United StatesHQ recorded Sep 21, 2026	51-200	209 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 · Sep 21, 2026 · View company records in RevenueBase
23	TCM Security	Exact match	Charlotte, NC, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
24	Mindpoint Group, A Quantum SKY Company	Exact match	Reston, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
25	Tevora	Exact match	Irvine, CA, United StatesHQ recorded Sep 21, 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 21, 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 and cybersecurity audit 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 3,505 IT and cybersecurity audit services based in the United States

See the full list, filter by size, metro and specialty, and access 18,143 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

IT and cybersecurity audit services based in the United States at a glance

As of Sep 21, 2026

42.5%Verified-email coverage

12.2Average contacts per company

1-10Median size (employees)

3.2%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

2,094

11-50

1,054

51-200

268

201-500

501-1,000

1,001-5,000

5,001-10,000

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 3,505 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 and cybersecurity audit 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 18,143 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 21, 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 and cybersecurity audit 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 “IT and cybersecurity audit services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT and cybersecurity audit services are there based in the United States?

RevenueBase identified 3,505 company matches for IT and cybersecurity audit services 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 IT and cybersecurity audit services?

New York leads with 113 company records, followed by Houston (71) and Atlanta (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 18,143 professional contacts with verified work emails tracked across these 3,505 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 21, 2026.

Ready to reach these companies? Verified emails and direct dials for all 3,505 IT and cybersecurity audit services based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

IT and cybersecurity audit services by geography

Browse the directory

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.