Company lists · Data verified August 2026

Top 25 Cloud security companies based in the United States

Name: Cloud 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 1,126 companies tracked

This directory lists 1,126 cloud security companies based in the United States, with 78,742 contacts and 37,695 email addresses. Updated August 2026, it identifies New York as the single most-represented city among the companies on the list.

Cloud security companies provide products and services that protect cloud infrastructure, applications, data, workloads, identities, and access from security threats. This list covers companies that provide cloud security products or services, including cloud infrastructure protection, workload security, identity and access controls, data protection, and security monitoring. Ranked by team size, largest first. Data current as of August 28, 2026.

1,126Companies

78,742Contacts tracked

37,695Verified emails

21,192Mobile numbers

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The 25 largest cloud security companies based in the United States

Ranked by team size

Top 25 of 1,126 cloud 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	Sentinelone	Mountain View, CA	1,001-5,000	3,046	1,926
4	Qualys	Foster City, CA	1,001-5,000	3,042	2,121
5	Netskope	Santa Clara, CA	1,001-5,000	3,025	1,996
6	Varonis	Scottsdale, AZ	1,001-5,000	2,741	1,673
7	WIZ	West New York, NY	1,001-5,000	2,528	1,647
8	Bitdefender	Fort Lauderdale, FL	1,001-5,000	2,141	1,230
9	Barracuda	Alpharetta, GA	1,001-5,000	2,108	1,463
10	Forcepoint	Austin, TX	1,001-5,000	1,620	1,084
11	Thales Cybersecurity Products	Austin, TX	1,001-5,000	1,252	645
12	DRUVA	Denver, CO	1,001-5,000	1,213	785
13	Imperva	Austin, TX	10001+	1,211	829
14	Coalfire	Chicago, IL	1,001-5,000	960	613
15	Huntress	Columbia, MD	501-1,000	694	135
16	Keeper Security, INC	Chicago, IL	501-1,000	690	493
17	BIGID	New York, NY	501-1,000	674	300
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	Rapidscale	Raleigh, NC	501-1,000	463	302
23	Cyberproof	Aliso Viejo, CA	501-1,000	429	160
24	DUO Security	Austin, TX	501-1,000	429	21
25	Nsfocus	Santa Clara, CA	1,001-5,000	284	23

Showing 25 of 1,126 cloud security companies based in the United States

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Cloud security companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 59 HQs

21,192Contacts with mobile numbers

263Emails re-verified in last 30 days

Companies by employee count

1-10

441

11-50

418

51-200

155

201-500

501-1,000

1,001-5,000

10001+

Cloud security companies by metro

Metro	Companies
Cloud security companies in New York	59
Cloud security companies in San Francisco	29
Cloud security companies in Austin	27
Cloud security companies in Houston	26
Cloud security companies in Dallas	24
Cloud security companies in San Jose	24
Cloud security companies in Atlanta	21
Cloud security companies in Chicago	21

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 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; 263 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 security companies are based in the United States?

The list contains 1,126 cloud security companies based in the United States. It also includes 78,742 contacts and 37,695 email addresses.

Where are the most cloud security companies located?

New York is the single most-represented city among the companies on the list. The directory covers companies based in the United States.

What do cloud security companies do?

Cloud security companies protect cloud infrastructure, applications, data, workloads, identities, and access. Their offerings can include cloud security monitoring, workload protection, identity controls, data security, and threat prevention.

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Cloud security companies by geography

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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.