Company lists · Data refreshed November 2026

Top 25 Invoice collection services based in the United States

RevenueBase identified 699 company matches for invoice collection services associated with the United States as of November 2026 and tracks 15,230 professional contacts across them, including 3,219 with verified work emails. Houston is the largest hub.

This list covers company matches for invoice collection 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
699Companies
15,230Contacts tracked
3,219Verified emails
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The 25 largest invoice collection services based in the United States

Ranked by team size
Top 25 of 699 company matches for invoice collection 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20265,001-10,0001,217 contacts →

Exact match

“We are a trusted leader in providing integrated solutions, leveraging cutting-edge technology to deliver exceptional customer experiences.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchFairport, NY, United StatesHQ recorded Nov 6, 2026201-500514 contacts →

Exact match

“ConServe is a leading provider of accounts receivable management and collection services specializing in customized solutions for commercial lenders, financial institutions…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSalem, PA, United StatesHQ recorded Nov 6, 2026201-500452 contacts →

Exact match

“Windham Professionals, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchPiscataway, GA, United StatesHQ recorded Nov 6, 2026501-1,000429 contacts →

Exact match

“First Credit Services is a Digital Debt Collection and BPO Company specializing in Accounts Receivable Management and Customer Service Outsourcing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBlue Bell, PA, United StatesHQ recorded Nov 6, 20261,001-5,000425 contacts →

Exact match

“AllianceOne offers the financial strength, imagination, technological sophistication, and a work ethic that is the envy of our industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchRock Hill, SC, United StatesHQ recorded Nov 6, 2026201-500391 contacts →

Exact match

“Founded in 1986, Williams & Fudge, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchChicago, IL, United StatesHQ recorded Nov 6, 2026501-1,000306 contacts →

Exact match

“Harris & Harris is an acknowledged leader in the field of accounts receivable management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchRichardson, CO, United StatesHQ recorded Nov 6, 2026201-500304 contacts →

Exact match

“Commercial collection agency, specializing in contingency-based, commercial debt recovery, commercial asset recovery and commercial debt collection services for business owners.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchEarth City, FL, United StatesHQ recorded Nov 6, 2026501-1,000297 contacts →

Exact match

“Credit Control, LLC is a nationally licensed receivables management company helping organizations improve recovery performance while protecting the customer relationships behind…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLos Angeles, IL, United StatesHQ recorded Nov 6, 2026201-500287 contacts →

Exact match

“Caine & Weiner is a solution-based accounts receivable management enterprise, founded in 1930, that specializes in providing 1st and 3rd party collection solutions to commercial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBuffalo, NY, United StatesHQ recorded Nov 6, 2026201-500281 contacts →

Exact match

“Capital Management Services, LP is a Nationally recognized industry leader in Accounts Receivable Management services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchKenner, WA, United StatesHQ recorded Nov 6, 2026201-500256 contacts →

Exact match

“Altus is the trusted leader in commercial receivables management and business-to-business collections, helping organizations improve cash flow, optimize their credit-to-cash…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchWarren, MI, United StatesHQ recorded Nov 6, 20261,001-5,000247 contacts →

Exact match

“Asset Acceptance is a leading purchaser and collector of charged-off consumer debt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNashville, TN, United StatesHQ recorded Nov 6, 2026201-500240 contacts →

Exact match

“Frost-Arnett, now proudly part of the Harris & Harris family of companies, brings together more than 130 years of trusted healthcare revenue cycle expertise with the expanded…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchVancouver, WA, United StatesHQ recorded Nov 6, 202651-200238 contacts →

Exact match

“Founded in 1933, Professional specializes in accounts receivable management services offering two dedicated service lines: Professional Credit collections, and Ensource, scalable…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchColumbus, OH, United StatesHQ recorded Nov 6, 2026201-500182 contacts →

Exact match

“TekCollect provides business owners with comprehensive accounts receivable management, collections and customer retention services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMelville, NY, United StatesHQ recorded Nov 6, 2026201-500177 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchHouston, IL, United StatesHQ recorded Nov 6, 20261,001-5,000169 contacts →

Exact match

“United Recovery Systems, LP provides accounts receivable management services to the nation's leading credit grantors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCleveland, OH, United StatesHQ recorded Nov 6, 2026201-500143 contacts →

Exact match

“National Enterprise Systems, Inc.(NES) was established in 1987 by Ernest R.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 202651-200141 contacts →

Exact match

“Sequium Asset Solutions, LLC is the most technologically advanced Accounts Receivable Management company in the industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchCarrollton, TX, United StatesHQ recorded Nov 6, 2026201-500135 contacts →

Exact match

“SWC Group is one of the nation's leading providers of accounts receivable management and consumer contact service solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMiami, FL, United StatesHQ recorded Nov 6, 202651-200129 contacts →

Exact match

“Who We Are Over seventy-five years ago, BCA’s founding fathers laid the strong foundation for which BCA would continue to grow.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLongmont, CO, United StatesHQ recorded Nov 6, 2026201-500124 contacts →

Exact match

“BC Services is celebrating its 100th YEAR!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchHouston, CO, United StatesHQ recorded Nov 6, 2026201-50099 contacts →

Exact match

“In today's commercial environment, fast & effective recovery of your receivables can be critical to your company's success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchChelsea, NH, United StatesHQ recorded Nov 6, 2026201-50097 contacts →

Exact match

“A leader in the collection industry, Delta Management Associates, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 699 invoice collection services based in the United States

See the full list, filter by size, metro and specialty, and access 3,219 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Invoice collection services based in the United States at a glance

As of Nov 6, 2026
21.1%Verified-email coverage
21.8Average contacts per company
11-50Median size (employees)
2.9%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
237
11-50
312
51-200
105
201-500
30
501-1,000
6
1,001-5,000
5
5,001-10,000
1

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 699 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 “invoice collection 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 3,219 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.

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 “invoice collection services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many invoice collection services are there based in the United States?

RevenueBase identified 699 company matches for invoice collection 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?

GC Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most invoice collection services?

Houston leads with 20 company records, followed by New York (15) and Dallas (12).

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 3,219 professional contacts with verified work emails tracked across these 699 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.