Company lists · Data verified August 2026

Top 25 Cloud security monitoring companies based in the United States

Name: Cloud security monitoring 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 951 companies tracked

There are 951 cloud security monitoring companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 72,693 professional contacts across them, including 35,950 with verified work emails and 19,853 with mobile numbers. New York is the largest hub.

This list covers cloud security monitoring 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.

951Companies

72,693Contacts tracked

35,950Verified emails

19,853Mobile numbers

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

Ranked by team size

Top 25 of 951 cloud security monitoring 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	Datadog	Chicago, IL	1,001-5,000	9,357	5,722
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	Barracuda	Alpharetta, GA	1,001-5,000	2,108	1,463
9	Thales Cybersecurity Products	Austin, TX	1,001-5,000	1,252	645
10	Imperva	Austin, TX	10001+	1,211	829
11	Huntress	Columbia, MD	501-1,000	694	135
12	Keeper Security, INC	Chicago, IL	501-1,000	690	493
13	BIGID	New York, NY	501-1,000	674	300
14	Sysdig	San Francisco, CA	501-1,000	653	407
15	Vikingcloud	Chicago, IL	1,001-5,000	618	436
16	Cyberproof	Aliso Viejo, CA	501-1,000	429	160
17	RED Canary, A Zscaler Company	Denver, CO	201-500	402	270
18	Gurucul	El Segundo, CA	201-500	319	164
19	Nsfocus	Santa Clara, CA	1,001-5,000	284	23
20	Niksun	Princeton, NJ	201-500	274	56
21	CORO	Chicago, IL	201-500	262	178
22	Baxter Clewis Cybersecurity	Cedar Hill, TX	201-500	251	17
23	AXUR	Miami, FL	201-500	233	124
24	Corestack	Bellevue, WA	201-500	231	77
25	Netdata Cybersecurity	Miami, FL	201-500	209	78

Showing 25 of 951 cloud security monitoring companies based in the United States

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

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 44 HQs

19,853Contacts with mobile numbers

184Emails re-verified in last 30 days

Companies by employee count

1-10

375

11-50

362

51-200

129

201-500

501-1,000

1,001-5,000

10001+

Cloud security monitoring companies by metro

Metro	Companies
Cloud security monitoring companies in New York	44
Cloud security monitoring companies in San Francisco	39
Cloud security monitoring companies in Austin	29
Cloud security monitoring companies in Houston	17
Cloud security monitoring companies in Dallas	16
Cloud security monitoring companies in Chicago	16
Cloud security monitoring companies in San Jose	16
Cloud security monitoring companies in Miami	16

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 monitoring 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; 184 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 monitoring companies are there based in the United States?

There are 951 cloud security monitoring 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 security monitoring companies?

New York leads with 44 headquartered companies, followed by San Francisco (39) 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 35,950 verified decision-maker contacts tracked across these 951 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.