Company lists · Data verified August 2026

Top 25 Ai-powered security companies based in the United States

Name: Ai-powered 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 1,966 companies tracked

There are 1,966 ai-powered security companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 75,957 professional contacts across them, including 35,263 with verified work emails and 23,281 with mobile numbers. San Francisco is the largest hub.

This list covers ai-powered 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.

1,966Companies

75,957Contacts tracked

35,263Verified emails

23,281Mobile numbers

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The 25 largest ai-powered security companies based in the United States

Ranked by team size

Top 25 of 1,966 ai-powered 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	Proofpoint	Boston, MA	1,001-5,000	4,662	3,655
2	Rubrik	Reston, VA	1,001-5,000	4,381	2,545
3	Trellix	Plano, TX	1,001-5,000	3,490	1,633
4	Sentinelone	Mountain View, CA	1,001-5,000	3,046	1,926
5	Varonis	Scottsdale, AZ	1,001-5,000	2,741	1,673
6	Ivanti	San Jose	1,001-5,000	2,666	1,783
7	Knowbe4	Clearwater, FL	1,001-5,000	2,378	1,484
8	Fortra	Eden Prairie, MN	1,001-5,000	1,640	1,037
9	Credence	Beavercreek, OH	1,001-5,000	1,513	821
10	Metropolis Technologies	New York, NY	10001+	1,449	615
11	Reliaquest	Sandy, UT	1,001-5,000	1,252	980
12	CYERA	San Francisco, CA	1,001-5,000	1,121	642
13	Cohere	San Francisco, CA	201-500	940	430
14	Alchemy Techsol	DE	1,001-5,000	900	44
15	Netenrich	San Jose, CA	501-1,000	885	261
16	LVT Liveview Technologies	American Fork, UT	501-1,000	687	497
17	Interface Systems	Monroe, LA	501-1,000	572	192
18	Securityhq	New York, NY	501-1,000	492	279
19	Pentera	Burlington, MA	201-500	484	355
20	XTIUM	New York, NY	501-1,000	475	123
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 1,966 ai-powered security companies based in the United States

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Ai-powered security companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

San FranciscoLargest hub · 152 HQs

23,281Contacts with mobile numbers

201Emails re-verified in last 30 days

Companies by employee count

1-10

888

11-50

707

51-200

261

201-500

501-1,000

1,001-5,000

10001+

Ai-powered security companies by metro

Metro	Companies
Ai-powered security companies in San Francisco	152
Ai-powered security companies in New York	132
Ai-powered security companies in Austin	67
Ai-powered security companies in San Jose	45
Ai-powered security companies in Miami	42
Ai-powered security companies in Boston	33
Ai-powered security companies in Dallas	33

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-powered 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; 201 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-powered security companies are there based in the United States?

There are 1,966 ai-powered security companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Proofpoint, headquartered in Boston, tops this list with the largest team on record.

Which city has the most ai-powered security companies?

San Francisco leads with 152 headquartered companies, followed by New York (132) and Austin (67).

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 35,263 verified decision-maker contacts tracked across these 1,966 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.