Company lists · Data refreshed November 2026

Top 25 Service providers based in the United States

RevenueBase identified 1,466 company matches for service providers associated with the United States as of November 2026 and tracks 20,963 professional contacts across them, including 5,066 with verified work emails. New York is the largest hub.

This list covers company matches for service providers 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
1,466Companies
20,963Contacts tracked
5,066Verified emails
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The 25 largest service providers based in the United States

Ranked by team size
Top 25 of 1,466 company matches for service providers 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 matchChicago, IL, United StatesHQ recorded Nov 6, 2026501-1,000639 contacts →

Exact match

“Leading brands, including over hotels, trust Cloud5 to deliver exceptional experiences that both attract and retain customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchOlympia Fields, IL, United StatesHQ recorded Nov 6, 2026501-1,000583 contacts →

Exact match

“Aunt Martha’s is a family of more than 550 staff and volunteers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchIrvine, CA, United StatesHQ recorded Nov 6, 20265,001-10,000345 contacts →

Exact match

“For more than two decades, CallTek has been a global leader in delivering secure, compliant, and reliable white-label technical support services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact matchRaleigh, GA, United StatesHQ recorded Nov 6, 2026201-500264 contacts →

Exact match

“ScottMadden is a management consulting firm that does what it takes to get the job done right.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026n/a223 contacts →

Exact match

“Wellnite helps corporations and small business owners increase revenue and employee retention by providing mental health services to employees.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchOverland Park, TX, United StatesHQ recorded Nov 6, 2026201-500220 contacts →

Exact match

“Saicon Consultants, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchTampa, FL, United StatesHQ recorded Nov 6, 202651-200213 contacts →

Exact match

“As a Managed Service Provider recently voted "10 Most Promising Companies of 2023", Data-Tech has been helping business organizations succeed and grow through world class…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchTampa, FL, United StatesHQ recorded Nov 6, 2026201-500194 contacts →

Exact match

“HealthAxis, an HGM company, has delivered healthcare technology and core administrative services to payers and third-party administrators since 1965, spanning Commercial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSpokane, WA, United StatesHQ recorded Nov 6, 202651-200171 contacts →

Exact match

“Cerium Networks is a trusted managed services provider with 25 years of experience helping organizations across the Northwest thrive.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchPhoenix, AZ, United StatesHQ recorded Nov 6, 2026201-500158 contacts →

Exact match

“Globe Centrix is a global leader in providing managed services to clients all over the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNashville, TN, United StatesHQ recorded Nov 6, 202651-200154 contacts →

Exact match

“At Hardenbergh Group, a Sentact Company, we are stewards and protectors of healthcare organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchHuntsville, AL, United StatesHQ recorded Nov 6, 202611-50145 contacts →

Exact match

“At Heart, we value you.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchWaltham, MA, United StatesHQ recorded Nov 6, 2026201-500142 contacts →

Exact match

“Springwell has a 40+ year history of creating, managing, and coordinating services for seniors, people with disabilities and those who provide care.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWinter Park, FL, United StatesHQ recorded Nov 6, 2026201-500136 contacts →

Exact match

“Our beliefs are simple: technology should power, not hinder.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchFramingham, MA, United StatesHQ recorded Nov 6, 2026201-500113 contacts →

Exact match

“By joining our team of practitioners at Charles River Medical Associates, you’re choosing a convenient, smooth healthcare experience for you and your family.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHowell, NJ, United StatesHQ recorded Nov 6, 202651-200108 contacts →

Exact match

“Tech-Keys provides industry leading IT design, implementation, support and maintenance for small to medium businesses in multiple verticals throughout the US.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026501-1,000107 contacts →

Exact match

“Balance Health is the nation’s premier comprehensive lower-extremity focused managed services organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202611-50107 contacts →

Exact match

“The mission of San Francisco's IHSS Public Authority is to provide and promote a service delivery model of consumer directed, in-home support that maximizes the potential of older…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026n/a100 contacts →

Exact match

“A company that provides business services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMiddletown, DE, United StatesHQ recorded Nov 6, 202651-20098 contacts →

Exact match

“Technical talent is becoming more and more difficult to find and retain, which makes building and growing a profitable MSP a real challenge.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchIndianapolis, United StatesHQ recorded Nov 6, 202651-20097 contacts →

Exact match

“Engaging Solutions is a multi-faceted management consulting firm with the personnel and resources to accomplish everything from high level management and auditing to ground-level…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchOrlando, FL, United StatesHQ recorded Nov 6, 202651-20089 contacts →

Exact match

“With state licenses in all three trades (HVAC, Electrical & Plumbing), we are able to offer you complete and coordinated service.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLittleton, CO, United StatesHQ recorded Nov 6, 202651-20086 contacts →

Exact match

“LifeHealth LLC (LifeHealth), a Colorado-based company that provides nationwide clinical, non-clinical, administrative support services for the past 21 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchTampa, FL, United StatesHQ recorded Nov 6, 202651-20085 contacts →

Exact match

“FOLLOW US AT DAS HEALTH FOR THE LATEST UPDATES.”

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

Showing 25 of 1,466 service providers based in the United States

See the full list, filter by size, metro and specialty, and access 5,066 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Service providers based in the United States at a glance

As of Nov 6, 2026
24.2%Verified-email coverage
14.3Average contacts per company
1-10Median size (employees)
2.9%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
850
11-50
451
51-200
111
201-500
28
501-1,000
9
1,001-5,000
6
5,001-10,000
2
10001+
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 1,466 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 “service providers” 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 5,066 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.

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

How many service providers are there based in the United States?

RevenueBase identified 1,466 company matches for service providers 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?

Cloud5 Communications tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most service providers?

New York leads with 43 company records, followed by Houston (22) and Dallas (20).

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 5,066 professional contacts with verified work emails tracked across these 1,466 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.