Company lists · Data verified August 2026

Top 16 Application security testing companies based in New York, United States

Name: Application security testing companies based in New York, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 41 companies tracked

There are 41 application security testing companies headquartered in New York, United States (RevenueBase, August 2026). RevenueBase tracks 309 professional contacts across them, including 97 with verified work emails and 57 with mobile numbers. New York is the largest hub.

This list covers application security testing companies headquartered in New York, 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.

41Companies

309Contacts tracked

97Verified emails

57Mobile numbers

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The 16 largest application security testing companies based in New York, United States

Ranked by team size

Top 16 of 41 application security testing companies based in New York, 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	Strike	New York	51-200	84	31
2	OSEC	New York, NY	11-50	38	7
3	ACA Aponix	New York, NY	201-500	19	16
4	Redpoint Cyber	New York, NY	11-50	17	10
5	Bramfitt Technology Labs	New York, NY	11-50	14	9
6	Pensarai	New York, NY	1-10	12	4
7	White Hack Labs	New York, NY	1-10	11	5
8	CYBRI	New York, NY	11-50	9	2
9	Sayfer Cyber Security	New York	11-50	7	4
10	Hacker Simulations	New York, NY	11-50	4	2
11	Assuredtek	New York	1-10	4	2
12	Bytium	New York, NY	1-10	4	1
13	AG Consulting INC	New York, NY	1-10	2	1
14	Real-Time Technology Solutions, INC	New York, NY	51-200	1	1
15	Orenda Security LLC	New York	11-50	1	1
16	Btblock, A Fyeo Company	New York	1-10	1	1

Showing 16 of 41 application security testing companies based in New York, United States

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Application security testing companies based in New York, United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 41 HQs

57Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Application security testing companies by metro in the United States

Metro	Companies
Application security testing companies in New York	41
Application security testing companies in San Francisco	34
Application security testing companies in Austin	26
Application security testing companies in Denver	18
Application security testing companies in Dallas	15
Application security testing companies in Chicago	15
Application security testing companies in Los Angeles	14

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 “application security testing companies”, with match quality audited by blind human judging, and headquartered in New York, 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; 1 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 application security testing companies are there based in New York, United States?

There are 41 application security testing companies headquartered in New York, United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Strike, headquartered in New York, tops this list with the largest team on record.

Which city has the most application security testing companies?

New York leads with 41 headquartered companies, followed by San Francisco (34) and Austin (26).

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 97 verified decision-maker contacts tracked across these 41 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.