Company lists · Data refreshed September 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 Data refreshed Sep 1, 2026 844 companies tracked

RevenueBase identified 844 cybersecurity for payment companies headquartered in the United States as of September 2026 and 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. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 1, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase Smart Search rating on every row Refreshed Sep 1, 2026 86% judged on-target in blind review

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 refreshed Sep 1, 2026. RevenueBase Smart Search rates how each company's information relates to cybersecurity for payment companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Guidepoint Security	Partial evidence	Tampa, FL, United States	1,001-5,000	1,234 contacts →
	Partial evidence “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Source: RevenueBase Database · checked Sep 1, 2026
2	Coalfire	Partial evidence	Chicago, IL, United States	1,001-5,000	960 contacts →
	Partial evidence “Coalfire is the premier Cybersecurity and Compliance Services leader for the tech, healthcare, and finance industries.(This page is maintained by Marketing.” Source: RevenueBase Database · checked Sep 1, 2026
3	Security Risk Advisors	Partial evidence	Philadelphia, PA, United States	201-500	311 contacts →
	Partial evidence “We deliver cybersecurity consulting, 24x7 operations and SaaS to leading companies in the Financial Services, Healthcare, Pharmaceuticals, Technology and Retail industries.” Source: RevenueBase Database · checked Sep 1, 2026
4	Digitel Corporation	Partial evidence	Johns Creek, GA, United States	51-200	304 contacts →
	Partial evidence “ThreatAdvice is a leading provider of Cybersecurity solutions and Fraud Detection.” Source: RevenueBase Database · checked Sep 1, 2026
5	Baxter Clewis Cybersecurity	Partial evidence	Cedar Hill, TX, United States	201-500	251 contacts →
	Partial evidence “Baxter Clewis Cybersecurity, we bring to the table a unique set of experiences that allow us to best serve your cybersecurity needs.” Source: RevenueBase Database · checked Sep 1, 2026
6	Mindpoint Group, A Tyto Athene Company	Indirect evidence	Reston, VA, United States	1,001-5,000	208 contacts →
	Indirect evidence “When it comes to Information Security Consulting, we are the team the specialists turn to.” Source: RevenueBase Database · checked Sep 1, 2026
7	Deepseas	Indirect evidence	United States	201-500	185 contacts →
	Indirect evidence “With 30 years of experience in cyber defense, DeepSeas is trusted by nearly clients around the world, including Fortune 100 enterprises and mid-market organizations, municipality…” Source: RevenueBase Database · checked Sep 1, 2026
8	Bluefin Payment Systems	Partial evidence	Atlanta, GA, United States	201-500	162 contacts →
	Partial evidence “Bluefin is the global leader in security-first payment infrastructure, pioneering PCI-validated point-to-point encryption (P2PE), vaultless tokenization, and advanced…” Source: RevenueBase Database · checked Sep 1, 2026
9	Hitachi Cyber	Indirect evidence	Santa Clara, CA, United States	501-1,000	161 contacts →
	Indirect evidence “Hitachi Systems Trusted Cyber Management Inc.” Source: RevenueBase Database · checked Sep 1, 2026
10	Accorian	Indirect evidence	East Brunswick, NJ, United States	51-200	147 contacts →
	Indirect evidence “At Accorian, we don’t just advise on compliance, we operationalize it.” Source: RevenueBase Database · checked Sep 1, 2026
11	360 Advanced	Partial evidence	St Petersburg, FL, United States	51-200	130 contacts →
	Partial evidence “360 Advanced is a relationship-focused cybersecurity and compliance firm offering security, privacy and compliance-oriented solutions customized to meet your organization and your…” Source: RevenueBase Database · checked Sep 1, 2026
12	SBS Cybersecurity	Partial evidence	Madison, SD, United States	51-200	106 contacts →
	Partial evidence “SBS CyberSecurity, LLC (SBS) is a premier cybersecurity consulting and audit firm.” Source: RevenueBase Database · checked Sep 1, 2026
13	Trustedsec	Indirect evidence	Fairlawn, OH, United States	51-200	100 contacts →
	Indirect evidence “TrustedSec is an end-to-end security consulting company that provides customized services to build client-defined success.” Source: RevenueBase Database · checked Sep 1, 2026
14	Merchant Link	Partial evidence	Silver Spring, MD, United States	51-200	91 contacts →
	Partial evidence “Merchant Link is a leading provider of cloud-based payment gateway and data security solutions, removing the risk and hassle of payments for more than hotel, restaurant and retail…” Source: RevenueBase Database · checked Sep 1, 2026
15	Defy Security	Partial evidence	Canonsburg, PA, United States	51-200	89 contacts →
	Partial evidence “Defy Security was founded in 2017 with one primary goal: to change the cybersecurity buying experience by delivering value and service that is unmatched.” Source: RevenueBase Database · checked Sep 1, 2026
16	Crossbow Cybersecurity	Indirect evidence	Walnut, CA, United States	51-200	83 contacts →
	Indirect evidence “Crossbow Labs is a cyber security consulting company which assists various organizations to secure computing, application builds, network architecture designing and IT controls…” Source: RevenueBase Database · checked Sep 1, 2026
17	Techguard Security	Partial evidence	Ofallon, IL, United States	51-200	81 contacts →
	Partial evidence “Our Cybersecurity Specialists are highly educated and certified professionals who have utilized their extensive IT security experience to support both Fortune 500 businesses and…” Source: RevenueBase Database · checked Sep 1, 2026
18	Vertek Corporation	Partial evidence	Burlington, VT, United States	51-200	76 contacts →
	Partial evidence “At Vertek, we deliver advanced cybersecurity solutions that empower businesses to protect their digital assets and achieve peace of mind.” Source: RevenueBase Database · checked Sep 1, 2026
19	Nopalcyber	Partial evidence	New York, NY, United States	51-200	76 contacts →
	Partial evidence “NopalCyber makes cybersecurity manageable, affordable, reliable, and powerful for companies that need to be resilient and compliant.” Source: RevenueBase Database · checked Sep 1, 2026
20	Newnet Communication Technologies	Partial evidence	Lombard, IL, United States	501-1,000	68 contacts →
	Partial evidence “Enabling Global Payments, Transactions and Communication Through Innovative Security, Payments, Networking, Telecom Solutions NewNet offers Digital Payment Infrastructure with…” Source: RevenueBase Database · checked Sep 1, 2026
21	Altpaynet	Partial evidence	Miami, FL, United States	51-200	64 contacts →
	Partial evidence “AltPayNet is a white-label payments technology company and PCI DSS Level 1 certified SaaS provider, empowering banks, financial institutions, government agencies, e-wallets, and…” Source: RevenueBase Database · checked Sep 1, 2026
22	Speartip	Partial evidence	St. Louis, MO, United States	51-200	44 contacts →
	Partial evidence “Virtually anyone can provide you with basic cybersecurity hardware, software and monitoring.” Source: RevenueBase Database · checked Sep 1, 2026
23	Aspire Tech Services And Solutions Corp	Partial evidence	NY, United States	51-200	38 contacts →
	Partial evidence “Are You Ready to Protect Your Business with the Best Cybersecurity Solutions?” Source: RevenueBase Database · checked Sep 1, 2026
24	RSI Security	Partial evidence	Southlake, TX, United States	51-200	37 contacts →
	Partial evidence “RSI Security is a cybersecurity-focused technology company that helps private and public sector organizations in highly regulated industries effectively manage risk.” Source: RevenueBase Database · checked Sep 1, 2026
25	Redspin, A Division Of Clearwater	Partial evidence	Nashville, TN, United States	51-200	35 contacts →
	Partial evidence “Redspin, a division of Clearwater, has become one of the most trusted cybersecurity companies for the Defense Industrial Base.” Source: RevenueBase Database · checked Sep 1, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: cybersecurity for payment companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names cybersecurity for payment companies.
Partial evidence: Its own public description names part of cybersecurity for payment companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name cybersecurity for payment companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

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 Sep 1, 2026

43.0%Verified-email coverage

39.7%Mobile-number coverage

11.7Average contacts per company

1-10Median size (employees)

2.5%Largest-city concentration · New York

Sep 1, 2026Page data refreshed

Companies by employee count

1-10

485

11-50

257

51-200

201-500

501-1,000

1,001-5,000

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among cybersecurity for payment companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “cybersecurity for payment companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names cybersecurity for payment companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among cybersecurity for payment companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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: Every listed company carries at least one verified work email, 4,240 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 1, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names cybersecurity for payment companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many cybersecurity for payment companies are there based in the United States?

RevenueBase identified 844 cybersecurity for payment companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

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 refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 1, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.