Company lists · Data refreshed November 2026

Top 25 Payment processing integration services based in the United States

Name: Payment processing integration services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 2,170 companies tracked

RevenueBase identified 2,170 company matches for payment processing integration services associated with the United States as of November 2026 and tracks 70,144 professional contacts across them, including 22,695 with verified work emails. New York is the largest hub.

This list covers company matches for payment processing integration services associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 SmartSearch · Exact Recorded Nov 6, 2026 How this list was built

2,170Companies

70,144Contacts tracked

22,695Verified emails

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The 25 largest payment processing integration services based in the United States

Ranked by team size

Top 25 of 2,170 company matches for payment processing integration services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Global Payments INC	Exact match	Atlanta, GA, United StatesHQ recorded Nov 6, 2026	10001+	12,479 contacts →
	Exact match “Global Payments (NYSE: GPN) is a leading payment technology and software company that powers commerce for businesses of all sizes worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	First Data Corporation	Exact match	Brookfield, United StatesHQ recorded Nov 6, 2026	10001+	7,309 contacts →
	Exact match “First Data is now Fiserv (NASDAQ:FISV).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Heartland	Exact match	Oklahoma City, OK, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,619 contacts →
	Exact match “Global Payments Inc.(NYSE: GPN), a leading worldwide provider of payment technology and software solutions, announced the unification of its technology stack under a single brand…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Elavon	Exact match	Atlanta, GA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,021 contacts →
	Exact match “Elavon, a wholly owned subsidiary of U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Bottomline	Exact match	Portsmouth, NH, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,793 contacts →
	Exact match “At Bottomline, we help businesses pay and get paid.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Shift4	Exact match	Center Valley, NV, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,332 contacts →
	Exact match “Shift4 (NYSE: FOUR) powers the experience economy, enabling businesses to deliver the moments that matter.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Flywire	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,288 contacts →
	Exact match “Flywire Corporation (Nasdaq: FLYW) is a global payments enablement and software company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Payroc	Exact match	Tinley Park, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,029 contacts →
	Exact match “Payroc is a high-growth, multi-national payments platform, merchant acquirer, and processing powerhouse processing over $93 billion in annual volume for more than merchants.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Aurus INC	Exact match	Norwood, MA, United StatesHQ recorded Nov 6, 2026	501-1,000	960 contacts →
	Exact match “Aurus is a certified payment gateway enabling seamless, secure transactions across in-store, online, and mobile channels.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	NMI	Exact match	Schaumburg, IL, United StatesHQ recorded Nov 6, 2026	201-500	535 contacts →
	Exact match “NMI is powering the next generation of embedded payments with its modular payment acceptance platform and industry-leading gateway.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Wholesale Payments	Exact match	Lubbock, TX, United StatesHQ recorded Nov 6, 2026	201-500	517 contacts →
	Exact match “Founded in 2007, Wholesale Payments is one of the nation's largest privately held merchant services providers, providing credit card processing, POS solutions, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	REPAY	Exact match	Atlanta, AZ, United StatesHQ recorded Nov 6, 2026	201-500	476 contacts →
	Exact match “REPAY, established in 2006, is a full-service payment technology and processing provider that enables the expedient and secure collection of payments through any channel at any…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Onyx Centersource	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	201-500	428 contacts →
	Exact match “Onyx CenterSource is a leading global provider of B2B payments and business intelligence solutions to the hospitality industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	EVO Payments, INC	Exact match	Atlanta, GA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	428 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Vizypay	Exact match	Waukee, IA, United StatesHQ recorded Nov 6, 2026	51-200	340 contacts →
	Exact match “VizyPay is revolutionizing the payments industry by offering a credit card processing model that focuses on powerful payment solutions, real human customer support, and simple…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	PAX Technology, Inc. North America	Exact match	Jacksonville, FL, United StatesHQ recorded Nov 6, 2026	201-500	331 contacts →
	Exact match “Founded in 2001, PAX Technology, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Paystack	Exact match	Sunnyvale, CA, United StatesHQ recorded Nov 6, 2026	51-200	328 contacts →
	Exact match “Over businesses trust Paystack to help accept online and offline payments from anyone, anywhere in the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Celero Commerce	Exact match	Nashville, TN, United StatesHQ recorded Nov 6, 2026	201-500	306 contacts →
	Exact match “Celero Commerce offers payment processing services, business management software, and data intelligence to small and medium-sized businesses, in one holistic platform.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Paynearme	Exact match	Santa Clara, CA, United StatesHQ recorded Nov 6, 2026	201-500	305 contacts →
	Exact match “PayNearMe builds technology to transform the payment experience for businesses and their customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Stax Payments	Exact match	Orlando, FL, United StatesHQ recorded Nov 6, 2026	201-500	303 contacts →
	Exact match “Stax Payments is a leading, high-growth payments technology firm specializing in integrated payments, recurring billing, and SMB processing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Ccbill	Exact match	Tempe, AZ, United StatesHQ recorded Nov 6, 2026	201-500	295 contacts →
	Exact match “CCBill is a leading global payment processor and ecommerce provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Echelon Payments	Exact match	Melville, NY, United StatesHQ recorded Nov 6, 2026	201-500	292 contacts →
	Exact match “Echelon Payment Solutions Group Built by sales partners, for sales partners-merchant by merchant.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	TALUS	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	51-200	291 contacts →
	Exact match “Talus is the premier choice for small business payment processing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Riverside Payments	Exact match	Vancouver, WA, United StatesHQ recorded Nov 6, 2026	201-500	288 contacts →
	Exact match “At Riverside Payments, our mission is clear: to provide the best payment solutions at the best price, coupled with unparalleled nationwide service.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	POS Portal	Exact match	Sacramento, CA, United StatesHQ recorded Nov 6, 2026	201-500	280 contacts →
	Exact match “POS Portal is all things Payments.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “payment processing integration services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 2,170 payment processing integration services based in the United States

See the full list, filter by size, metro and specialty, and access 22,695 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Payment processing integration services based in the United States at a glance

As of Nov 6, 2026

32.4%Verified-email coverage

32.3Average contacts per company

11-50Median size (employees)

4.6%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

973

11-50

769

51-200

307

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 2,170 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with the United States whose business descriptions match “payment processing integration services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 22,695 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Payment processing integration services by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “payment processing integration services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many payment processing integration services are there based in the United States?

RevenueBase identified 2,170 company matches for payment processing integration services associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Global Payments INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most payment processing integration services?

New York leads with 99 company records, followed by Los Angeles (47) and Miami (45).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 22,695 professional contacts with verified work emails tracked across these 2,170 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.