Company lists · Data verified August 2026

Top 25 Cloud computing security companies based in the United States

Name: Cloud computing 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 559 companies tracked

There are 559 cloud computing security companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 55,547 professional contacts across them, including 26,522 with verified work emails and 14,724 with mobile numbers. New York is the largest hub.

This list covers cloud computing 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.

559Companies

55,547Contacts tracked

26,522Verified emails

14,724Mobile numbers

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

Ranked by team size

Top 25 of 559 cloud computing 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	Imperva	Austin, TX	10001+	1,211	829
8	Coalfire	Chicago, IL	1,001-5,000	960	613
9	Keeper Security, INC	Chicago, IL	501-1,000	690	493
10	BIGID	New York, NY	501-1,000	674	300
11	Sysdig	San Francisco, CA	501-1,000	653	407
12	Skyhigh Security	San Jose, CA	501-1,000	647	313
13	Securiti	San Jose, CA	501-1,000	635	268
14	Vikingcloud	Chicago, IL	1,001-5,000	618	436
15	Cyberproof	Aliso Viejo, CA	501-1,000	429	160
16	RED Canary, A Zscaler Company	Denver, CO	201-500	402	270
17	Nsfocus	Santa Clara, CA	1,001-5,000	284	23
18	Corestack	Bellevue, WA	201-500	231	77
19	Netdata Cybersecurity	Miami, FL	201-500	209	78
20	ZIX	Dallas, TX	501-1,000	200	64
21	Appomni	Bay, CA	201-500	190	132
22	Ntirety	Austin, TX	1,001-5,000	166	134
23	Sq1 Security	San Jose, CA	201-500	149	10
24	Uptycs	Lexington, MA	201-500	145	56
25	OTAVA	Indianapolis, IN	51-200	115	94

Showing 25 of 559 cloud computing security companies based in the United States

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

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 31 HQs

14,724Contacts with mobile numbers

146Emails re-verified in last 30 days

Companies by employee count

1-10

218

11-50

209

51-200

201-500

501-1,000

1,001-5,000

10001+

Cloud computing security companies by metro

Metro	Companies
Cloud computing security companies in New York	31
Cloud computing security companies in San Francisco	24
Cloud computing security companies in San Jose	16
Cloud computing security companies in Dallas	15
Cloud computing security companies in Austin	15
Cloud computing security companies in San Diego	10
Cloud computing security companies in Chicago	9
Cloud computing security companies in Washington	8

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 computing 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; 146 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 computing security companies are there based in the United States?

There are 559 cloud computing 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 computing security companies?

New York leads with 31 headquartered companies, followed by San Francisco (24) and San Jose (16).

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 26,522 verified decision-maker contacts tracked across these 559 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.