Company lists · Data verified August 2026

Top 25 AI security companies based in the United States

Name: AI security companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,382 companies tracked

There are 1,382 AI security companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 77,232 professional contacts across them, including 41,200 with verified work emails and 24,124 with mobile numbers. New York is the largest hub.

This list covers AI security companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

1,382Companies

77,232Contacts tracked

41,200Verified emails

24,124Mobile numbers

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The 25 largest AI security companies based in the United States

Ranked by team size

Top 25 of 1,382 AI security companies based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Crowdstrike	Remote	5,001-10,000	10,059	7,290
2	Proofpoint	Boston, MA	1,001-5,000	4,662	3,655
3	Rubrik	Reston, VA	1,001-5,000	4,381	2,545
4	Trellix	Plano, TX	1,001-5,000	3,490	1,633
5	Sentinelone	Mountain View, CA	1,001-5,000	3,046	1,926
6	Netskope	Santa Clara, CA	1,001-5,000	3,025	1,996
7	Varonis	Scottsdale, AZ	1,001-5,000	2,741	1,673
8	Ivanti	San Jose	1,001-5,000	2,666	1,783
9	Bitdefender	Fort Lauderdale, FL	1,001-5,000	2,141	1,230
10	Barracuda	Alpharetta, GA	1,001-5,000	2,108	1,463
11	Fortra	Eden Prairie, MN	1,001-5,000	1,640	1,037
12	Reliaquest	Sandy, UT	1,001-5,000	1,252	980
13	CYERA	San Francisco, CA	1,001-5,000	1,121	642
14	Cohere	San Francisco, CA	201-500	940	430
15	Alchemy Techsol	DE	1,001-5,000	900	44
16	Netenrich	San Jose, CA	501-1,000	885	261
17	LVT Liveview Technologies	American Fork, UT	501-1,000	687	497
18	Interface Systems	Monroe, LA	501-1,000	572	192
19	BRIVO	Bethesda, MD	501-1,000	542	269
20	Securityhq	New York, NY	501-1,000	492	279
21	Zolon Tech INC	Herndon, VA	501-1,000	457	94
22	Cyberproof	Aliso Viejo, CA	501-1,000	429	160
23	DUO Security	Austin, TX	501-1,000	429	21
24	bigbear.ai	Mclean, VA	501-1,000	426	320
25	JSI	Chantilly, VA	201-500	411	238

Showing 25 of 1,382 AI security companies based in the United States

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AI security companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 73 HQs

24,124Contacts with mobile numbers

277Emails re-verified in last 30 days

Companies by employee count

1-10

544

11-50

542

51-200

195

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

AI security companies by metro

Metro	Companies
AI security companies in New York	73
AI security companies in San Francisco	59
AI security companies in Austin	35
AI security companies in San Jose	34
AI security companies in Miami	30
AI security companies in Dallas	23
AI security companies in Boston	20

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “AI security companies”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 277 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many AI security companies are there based in the United States?

There are 1,382 AI security companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Crowdstrike, headquartered in Remote, tops this list with the largest team on record.

Which city has the most AI security companies?

New York leads with 73 headquartered companies, followed by San Francisco (59) and Austin (35).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 41,200 verified decision-maker contacts tracked across these 1,382 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.