Company lists · Data verified August 2026

Top 25 Dynamic application security testing companies based in the United States

Name: Dynamic application security testing 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 732 companies tracked

There are 732 dynamic application security testing companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 12,237 professional contacts across them, including 5,239 with verified work emails and 3,576 with mobile numbers. New York is the largest hub.

This list covers dynamic application security testing 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.

732Companies

12,237Contacts tracked

5,239Verified emails

3,576Mobile numbers

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The 25 largest dynamic application security testing companies based in the United States

Ranked by team size

Top 25 of 732 dynamic application security testing 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	Checkmarx	Paramus, NJ	501-1,000	1,033	708
2	Synack RED Team	Austin, TX	n/a	816	9
3	Netspi	Minneapolis, MN	501-1,000	591	403
4	Veracode	Burlington, MA	501-1,000	547	399
5	Pentera	Burlington, MA	201-500	484	355
6	horizon3.ai	Durham, NC	201-500	356	246
7	Cobalt	San Francisco, CA	201-500	345	122
8	Bishop FOX	Tempe, AZ	201-500	340	194
9	Deepseas	n/a	201-500	185	132
10	Guardsquare	Boston, MA	51-200	165	103
11	Aikido Security	Chicago, IL	201-500	149	92
12	Nuharbor Security	Boston, MA	51-200	149	91
13	Praetorian	Austin, TX	51-200	143	64
14	XBOW	Seattle, WA	201-500	122	58
15	Apiiro	New York, NY	51-200	121	74
16	Tracesecurity	Baton Rouge, LA	51-200	114	58
17	Directdefense	Denver, CO	51-200	112	87
18	WATI	Sacramento, CA	201-500	106	13
19	Ioactive, INC	Atlanta, GA	51-200	105	76
20	Nowsecure	Vienna, VA	51-200	101	60
21	Neovera	Reston, VA	51-200	97	61
22	Ibeta Quality Assurance	Aurora, CO	51-200	89	20
23	Whitehat Dynamic By Synopsys	San Jose, CA	201-500	89	15
24	Bright	San Rafael, CA	51-200	88	32
25	Strike	New York	51-200	84	31

Showing 25 of 732 dynamic application security testing companies based in the United States

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Dynamic application security testing companies based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 34 HQs

3,576Contacts with mobile numbers

10Emails re-verified in last 30 days

Companies by employee count

1-10

405

11-50

239

51-200

201-500

501-1,000

1,001-5,000

Dynamic application security testing companies by metro

Metro	Companies
Dynamic application security testing companies in New York	34
Dynamic application security testing companies in San Francisco	29
Dynamic application security testing companies in Austin	20
Dynamic application security testing companies in Denver	19
Dynamic application security testing companies in Boston	13
Dynamic application security testing companies in Seattle	12
Dynamic application security testing companies in Atlanta	12

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 “dynamic application security testing 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; 10 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 dynamic application security testing companies are there based in the United States?

There are 732 dynamic application security testing companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Checkmarx, headquartered in Paramus, tops this list with the largest team on record.

Which city has the most dynamic application security testing companies?

New York leads with 34 headquartered companies, followed by San Francisco (29) and Austin (20).

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 5,239 verified decision-maker contacts tracked across these 732 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.