Company lists · Data verified August 2026

Top 25 Cybersecurity for payment companies based in the United States

Name: Cybersecurity for payment 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 844 companies tracked

There are 844 cybersecurity for payment companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 9,861 professional contacts across them, including 4,240 with verified work emails and 3,916 with mobile numbers. New York is the largest hub.

This list covers cybersecurity for payment 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.

844Companies

9,861Contacts tracked

4,240Verified emails

3,916Mobile numbers

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The 25 largest cybersecurity for payment companies based in the United States

Ranked by team size

Top 25 of 844 cybersecurity for payment 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	Guidepoint Security	Tampa, FL	1,001-5,000	1,234	809
2	Coalfire	Chicago, IL	1,001-5,000	960	613
3	Security Risk Advisors	Philadelphia, PA	201-500	311	216
4	Digitel Corporation	Johns Creek, GA	51-200	304	1
5	Baxter Clewis Cybersecurity	Cedar Hill, TX	201-500	251	17
6	Mindpoint Group, A Tyto Athene Company	Reston, VA	1,001-5,000	208	7
7	Deepseas	n/a	201-500	185	132
8	Bluefin Payment Systems	Atlanta, GA	201-500	162	123
9	Hitachi Cyber	Santa Clara, CA	501-1,000	161	58
10	Accorian	East Brunswick, NJ	51-200	147	87
11	360 Advanced	St Petersburg, FL	51-200	130	84
12	SBS Cybersecurity	Madison, SD	51-200	106	64
13	Trustedsec	Fairlawn, OH	51-200	100	72
14	Merchant Link	Silver Spring, MD	51-200	91	13
15	Defy Security	Canonsburg, PA	51-200	89	68
16	Crossbow Cybersecurity	Walnut, CA	51-200	83	3
17	Techguard Security	Ofallon, IL	51-200	81	22
18	Vertek Corporation	Burlington, VT	51-200	76	49
19	Nopalcyber	New York, NY	51-200	76	28
20	Newnet Communication Technologies	Lombard, IL	501-1,000	68	11
21	Altpaynet	Miami, FL	51-200	64	34
22	Speartip	St. Louis, MO	51-200	44	24
23	Aspire Tech Services And Solutions Corp	NY	51-200	38	1
24	RSI Security	Southlake, TX	51-200	37	14
25	Redspin, A Division Of Clearwater	Nashville, TN	51-200	35	23

Showing 25 of 844 cybersecurity for payment companies based in the United States

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Cybersecurity for payment companies based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 21 HQs

3,916Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

485

11-50

257

51-200

201-500

501-1,000

1,001-5,000

Cybersecurity for payment companies by metro

Metro	Companies
Cybersecurity for payment companies in New York	21
Cybersecurity for payment companies in Miami	17
Cybersecurity for payment companies in Dallas	15
Cybersecurity for payment companies in Houston	15
Cybersecurity for payment companies in Los Angeles	14
Cybersecurity for payment companies in San Francisco	14
Cybersecurity for payment companies in Chicago	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 “cybersecurity for payment 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; 5 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 cybersecurity for payment companies are there based in the United States?

There are 844 cybersecurity for payment companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Guidepoint Security, headquartered in Tampa, tops this list with the largest team on record.

Which city has the most cybersecurity for payment companies?

New York leads with 21 headquartered companies, followed by Miami (17) and Dallas (15).

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 4,240 verified decision-maker contacts tracked across these 844 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.