Company lists · Data verified August 2026

Top 25 Cloud infrastructure security companies based in the United States

Name: Cloud infrastructure 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 1,101 companies tracked

There are 1,101 cloud infrastructure security companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 79,947 professional contacts across them, including 37,872 with verified work emails and 21,215 with mobile numbers. New York is the largest hub.

This list covers cloud infrastructure 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.

1,101Companies

79,947Contacts tracked

37,872Verified emails

21,215Mobile numbers

Unlock all 1,101 companies Free account · no credit card · 2 minutes

The 25 largest cloud infrastructure security companies based in the United States

Ranked by team size

Top 25 of 1,101 cloud infrastructure 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	Symantec	San Jose, CA	10001+	11,179	876
2	Rubrik	Reston, VA	1,001-5,000	4,381	2,545
3	Qualys	Foster City, CA	1,001-5,000	3,042	2,121
4	Netskope	Santa Clara, CA	1,001-5,000	3,025	1,996
5	Varonis	Scottsdale, AZ	1,001-5,000	2,741	1,673
6	WIZ	West New York, NY	1,001-5,000	2,528	1,647
7	Barracuda	Alpharetta, GA	1,001-5,000	2,108	1,463
8	Forcepoint	Austin, TX	1,001-5,000	1,620	1,084
9	Radware	Mahwah, NJ	1,001-5,000	1,445	1,058
10	Thales Cybersecurity Products	Austin, TX	1,001-5,000	1,252	645
11	DRUVA	Denver, CO	1,001-5,000	1,213	785
12	Imperva	Austin, TX	10001+	1,211	829
13	CYERA	San Francisco, CA	1,001-5,000	1,121	642
14	Watchguard Technologies	Seattle, WA	1,001-5,000	1,054	631
15	Keeper Security, INC	Chicago, IL	501-1,000	690	493
16	BIGID	New York, NY	501-1,000	674	300
17	A10 Networks, INC	San Jose, CA	501-1,000	673	337
18	Sysdig	San Francisco, CA	501-1,000	653	407
19	Skyhigh Security	San Jose, CA	501-1,000	647	313
20	Securiti	San Jose, CA	501-1,000	635	268
21	Vikingcloud	Chicago, IL	1,001-5,000	618	436
22	BRIVO	Bethesda, MD	501-1,000	542	269
23	Aqua Security	Burlington, MA	501-1,000	508	253
24	Rapidscale	Raleigh, NC	501-1,000	463	302
25	Cyberproof	Aliso Viejo, CA	501-1,000	429	160

Showing 25 of 1,101 cloud infrastructure security companies based in the United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 37,872 reachable decision-makers.

Free account · no credit card

See all 1,101 companies

Cloud infrastructure security companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 56 HQs

21,215Contacts with mobile numbers

223Emails re-verified in last 30 days

Companies by employee count

1-10

444

11-50

411

51-200

145

201-500

501-1,000

1,001-5,000

10001+

Cloud infrastructure security companies by metro

Metro	Companies
Cloud infrastructure security companies in New York	56
Cloud infrastructure security companies in San Francisco	55
Cloud infrastructure security companies in Austin	29
Cloud infrastructure security companies in Houston	28
Cloud infrastructure security companies in San Jose	27
Cloud infrastructure security companies in Dallas	24
Cloud infrastructure security companies in Los Angeles	17

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 “cloud infrastructure 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; 223 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 cloud infrastructure security companies are there based in the United States?

There are 1,101 cloud infrastructure security companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Symantec, headquartered in San Jose, tops this list with the largest team on record.

Which city has the most cloud infrastructure security companies?

New York leads with 56 headquartered companies, followed by San Francisco (55) and Austin (29).

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 37,872 verified decision-maker contacts tracked across these 1,101 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.

Ready to reach these companies? Verified emails and direct dials for all 1,101 cloud infrastructure security companies based in the United States. Start with a free account, no credit card.

Get the full list

Related lists

Cloud infrastructure security companies by geography

Browse the directory

Browse: Companies home · All United States lists · All Cloud infrastructure security companies lists · New lists

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.