Company lists · Data verified August 2026

Top 14 Application security companies based in New York, United States

Name: Application security 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 29 companies tracked

There are 29 application security companies headquartered in New York, United States (RevenueBase, August 2026). RevenueBase tracks 711 professional contacts across them, including 261 with verified work emails and 105 with mobile numbers. San Francisco is the largest hub.

This list covers application security 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.

29Companies

711Contacts tracked

261Verified emails

105Mobile numbers

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The 14 largest application security companies based in New York, United States

Ranked by team size

Top 14 of 29 application security 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	OX Security	New York, NY	51-200	181	104
2	Apiiro	New York, NY	51-200	121	74
3	Strike	New York	51-200	84	31
4	Orchid Security	New York, NY	11-50	63	9
5	Seal Security	New York	11-50	60	2
6	OSEC	New York, NY	11-50	38	7
7	Total Defense	New York, NY	51-200	15	4
8	Bramfitt Technology Labs	New York, NY	11-50	14	9
9	Pensarai	New York, NY	1-10	12	4
10	Better Mobile Security	New York, NY	11-50	10	6
11	R-Mor	New York, NY	11-50	9	3
12	Sayfer Cyber Security	New York	11-50	7	4
13	BAY Dynamics	New York, NY	51-200	5	2
14	Assuredtek	New York	1-10	4	2

Showing 14 of 29 application security companies based in New York, United States

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

As of Aug 28, 2026

11-50Median size (employees)

San FranciscoLargest hub · 34 HQs

105Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Application security companies by metro in the United States

Metro	Companies
Application security companies in San Francisco	34
Application security companies in New York	29
Application security companies in Austin	17
Application security companies in Boston	12
Application security companies in Wilmington	9
Application security companies in Denver	9
Application security companies in Chicago	9

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 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; 0 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 companies are there based in New York, United States?

There are 29 application security companies headquartered in New York, United States as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most application security companies?

San Francisco leads with 34 headquartered companies, followed by New York (29) and Austin (17).

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 261 verified decision-maker contacts tracked across these 29 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.