Company lists · Data verified August 2026

Top 25 Big data security companies based in the United States

Name: Big data 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 422 companies tracked

There are 422 big data security companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 21,071 professional contacts across them, including 10,718 with verified work emails and 6,490 with mobile numbers. New York is the largest hub.

This list covers big data 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.

422Companies

21,071Contacts tracked

10,718Verified emails

6,490Mobile numbers

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The 25 largest big data security companies based in the United States

Ranked by team size

Top 25 of 422 big data 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	Cohesity	Santa Clara, CA	1,001-5,000	4,905	3,691
2	Varonis	Scottsdale, AZ	1,001-5,000	2,741	1,673
3	Fortra	Eden Prairie, MN	1,001-5,000	1,640	1,037
4	Forcepoint	Austin, TX	1,001-5,000	1,620	1,084
5	DRUVA	Denver, CO	1,001-5,000	1,213	785
6	SSH Communications Security	New York, NY	51-200	590	105
7	DUO Security	Austin, TX	501-1,000	429	21
8	Protegrity	Stamford, CT	201-500	353	186
9	Concentric AI	San Jose, CA	201-500	202	122
10	Nextlabs	San Mateo, CA	51-200	186	91
11	Lepide	Austin, TX	51-200	179	40
12	Pkware	Milwaukee, WI	51-200	153	90
13	VTI Security	West Allis, WI	1,001-5,000	143	81
14	Sentra	New York	51-200	141	55
15	Safetica	San Jose, CA	51-200	138	92
16	Bluestaq	Colorado Springs, CO	51-200	137	2
17	Skyflow	Palo Alto, CA	51-200	120	79
18	August Schell	Rockville, MD	51-200	100	8
19	Truestone, LLC	Herndon, VA	51-200	94	1
20	GTB Technologies INC	West Palm Beach, FL	51-200	83	26
21	Mage Data	New York, NY	51-200	82	21
22	Lightbeam	San Jose, CA	51-200	75	43
23	Qohash	Cambridge, MA	51-200	68	38
24	Leadcomm Security	New York, NY	51-200	62	35
25	Thales Trusted Cyber Technologies	Abingdon, MD	51-200	62	1

Showing 25 of 422 big data security companies based in the United States

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Big data security companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 29 HQs

6,490Contacts with mobile numbers

82Emails re-verified in last 30 days

Companies by employee count

1-10

143

11-50

176

51-200

201-500

501-1,000

1,001-5,000

10001+

Big data security companies by metro

Metro	Companies
Big data security companies in New York	29
Big data security companies in San Francisco	13
Big data security companies in San Jose	11
Big data security companies in Austin	10
Big data security companies in Boston	9
Big data security companies in Dallas	8
Big data security companies in Arlington	6

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 “big data 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; 82 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 big data security companies are there based in the United States?

There are 422 big data security companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Cohesity, headquartered in Santa Clara, tops this list with the largest team on record.

Which city has the most big data security companies?

New York leads with 29 headquartered companies, followed by San Francisco (13) and San Jose (11).

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 10,718 verified decision-maker contacts tracked across these 422 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.