Company lists · Data refreshed November 2026

Top 25 Business service groups based in the United States

RevenueBase identified 12,624 company matches for business service groups associated with the United States as of November 2026 and tracks 143,442 professional contacts across them, including 37,541 with verified work emails. New York is the largest hub.

This list covers company matches for business service groups 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
12,624Companies
143,442Contacts tracked
37,541Verified emails
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The 25 largest business service groups based in the United States

Ranked by team size
Top 25 of 12,624 company matches for business service groups 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 matchNew York, NY, United StatesHQ recorded Nov 6, 202610001+46,962 contacts →

Exact match

“Choosing a digital partner is about more than capabilities, it’s about collaboration and character.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchChicago, IL, United StatesHQ recorded Nov 6, 2026n/a5,345 contacts →

Exact match

“We help businesses and nonprofits grow, communicate, and succeed, professionally and affordably.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchRacine, WI, United StatesHQ recorded Nov 6, 2026n/a1,040 contacts →

Exact match

“CCB Technology provides award-winning IT support and project services to customers nationwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchTampa, VA, United StatesHQ recorded Nov 6, 2026501-1,000755 contacts →

Exact match

“System Soft Group is an IT services and solutions company that helps organizations overcome limited managed IT capabilities and achieve key technology goals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchCincinnati, OH, United StatesHQ recorded Nov 6, 2026501-1,000661 contacts →

Exact match

“SEI is a management consulting firm delivering fresh perspectives and reliable results.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 2026501-1,000630 contacts →

Exact match

“At Point B, we help organizations adapt and thrive in a world that refuses to stand still.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchArcadia, CA, United StatesHQ recorded Nov 6, 2026n/a625 contacts →

Exact match

“S&L International, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchTroy, MI, United StatesHQ recorded Nov 6, 20265,001-10,000595 contacts →

Exact match

“Ciber Global is now HTC Global Services with effect from November 30, 2021.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchChicago, IL, United StatesHQ recorded Nov 6, 2026201-500577 contacts →

Exact match

“DLC is an award-winning industry leader in Finance, Accounting, Program Management & Process Improvement Consulting.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchRoanoke, VA, United StatesHQ recorded Nov 6, 2026201-500517 contacts →

Exact match

“Providing Professional Business Advisory and Consulting Services including tax, accounting and IT services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAjman Free Zone, United StatesHQ recorded Nov 6, 2026n/a501 contacts →

Exact match

“OBM is a leading business process management company in UAE which provides client driven business management solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchDover, DE, United StatesHQ recorded Nov 6, 2026201-500476 contacts →

Exact match

“Velan Info Services is a leading multidisciplinary service provider with its clients across the globe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026201-500435 contacts →

Exact match

“Hikinex is a company that provides scalable business support.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchChicago, PA, United StatesHQ recorded Nov 6, 2026201-500395 contacts →

Exact match

“From its inception in 1991, Weaver Consultants Group has been founded upon the tenets of attentive and responsive customer service, strong project management, and solid internal…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWinchester, VA, United StatesHQ recorded Nov 6, 2026201-500384 contacts →

Exact match

“We Are All About You That is why we take a holistic approach to assisting clients with growing, managing, and protecting their hard work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202651-200384 contacts →

Exact match

“At GTS Technology Solutions, we believe it’s about understanding your specific need and meeting it with exactly the right solution, service or staff at the right time, every time.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMonmouth Junction, NJ, United StatesHQ recorded Nov 6, 202651-200360 contacts →

Exact match

“e-Business International Inc is emerging as a leader in business analytics software and services, and it is the largest independent vendor in the business intelligence market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSanta Monica, CA, United StatesHQ recorded Nov 6, 2026501-1,000350 contacts →

Exact match

“Apolis Rises is your trusted partner in driving business growth through tailored ERP solutions, managed services, and expert staffing support.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBethesda, MD, United StatesHQ recorded Nov 6, 2026501-1,000349 contacts →

Exact match

“SFI effectively delivers the right Information Technology solutions and Business Support services using thoughtful analysis, strategic planning and precise execution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchKirkland, WA, United StatesHQ recorded Nov 6, 2026201-500292 contacts →

Exact match

“Simplicity Consulting helps organizations redesign how work gets done in an AI-enabled future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-200292 contacts →

Exact match

“M Squared Consulting has now fully integrated into our parent company, SolomonEdwards, uniting us as one national professional services firm and brand.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAnaheim, CA, United StatesHQ recorded Nov 6, 20261,001-5,000284 contacts →

Exact match

“Staff Boom specializes in customized staffing solutions and consulting for small and medium sized businesses to save money and resources, improve how they work and prevent…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNew York, MD, United StatesHQ recorded Nov 6, 202651-200272 contacts →

Exact match

“VSS is an IT solutions and services provider that has helped clients transform their businesses using people, process and technology for more than two decades.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20261,001-5,000269 contacts →

Exact match

“At NYX, we believe that client satisfaction is what has been instrumental in our growth.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBellevue, WA, United StatesHQ recorded Nov 6, 2026201-500266 contacts →

Exact match

“Inviso is a growing technology consulting firm that offers a wide range of business services for small to enterprise organizations across industries.”

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

Showing 25 of 12,624 business service groups based in the United States

See the full list, filter by size, metro and specialty, and access 37,541 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Business service groups based in the United States at a glance

As of Nov 6, 2026
26.2%Verified-email coverage
11.4Average contacts per company
1-10Median size (employees)
3.5%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
9,471
11-50
2,316
51-200
588
201-500
144
501-1,000
44
1,001-5,000
25
5,001-10,000
3
10001+
6

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 12,624 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 “business service groups” 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 37,541 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.

Business service groups 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 “business service groups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many business service groups are there based in the United States?

RevenueBase identified 12,624 company matches for business service groups 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?

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

Which city has the most business service groups?

New York leads with 441 company records, followed by Atlanta (311) and Houston (265).

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 37,541 professional contacts with verified work emails tracked across these 12,624 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.