Company lists · Data refreshed November 2026

Top 24 Corporate services based in the United States

RevenueBase identified 6,531 company matches for corporate services associated with the United States as of November 2026 and tracks 106,436 professional contacts across them, including 34,139 with verified work emails. New York is the largest hub.

This list covers company matches for corporate 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
6,531Companies
106,436Contacts tracked
34,139Verified emails
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The 24 largest corporate services based in the United States

Ranked by team size
Top 24 of 6,531 company matches for corporate 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 matchNew York, CA, United StatesHQ recorded Nov 6, 20261,001-5,0004,410 contacts →

Exact match

“EisnerAmper, one of the largest business consulting firms in the world, is comprised of EisnerAmper LLP, a licensed independent CPA firm that provides client attest services; and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAustin, TX, United StatesHQ recorded Nov 6, 20261,001-5,0004,314 contacts →

Exact match

“Integreon is a trusted provider of legal, creative and business outsourced services to corporations and law firms worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchDallas, GA, United StatesHQ recorded Nov 6, 20261,001-5,0001,609 contacts →

Exact match

“Stream Realty Partners is one of the fastest-growing full-service commercial real estate companies in the nation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMinneapolis, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,292 contacts →

Exact match

“As a company built on the founding principle of integrity, we’re invested in your success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSaginaw, MI, United StatesHQ recorded Nov 6, 20261,001-5,0001,292 contacts →

Exact match

“We serve four demanding markets- Global / Fortune 500 companies seeking customer service delivery for contact centers and processing centers - Global / Fortune 500 companies…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCentennial, CO, United StatesHQ recorded Nov 6, 20261,001-5,0001,269 contacts →

Exact match

“Direct Travel is a leading provider of corporate travel management services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchParsippany, PA, United StatesHQ recorded Nov 6, 20261,001-5,0001,080 contacts →

Exact match

“Founded in 1898, Planned Companies has spent four generations providing industry-leading janitorial, maintenance, security, and concierge services to commercial and residential…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchOmaha, NE, United StatesHQ recorded Nov 6, 20261,001-5,0001,066 contacts →

Exact match

“Travel and Transport is now Corporate Travel Management (CTM) North America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchChicago, TX, United StatesHQ recorded Nov 6, 2026501-1,000941 contacts →

Exact match

“A global corporate services leader proudly serving Blackstone Real Estate portfolio companies and investments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchNashville, TN, United StatesHQ recorded Nov 6, 20261,001-5,000931 contacts →

Exact match

“AdamsBridge Global supports clients through the development of sustainable, innovative, and scalable managed service and annotative service solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBoston, MA, United StatesHQ recorded Nov 6, 20261,001-5,000884 contacts →

Exact match

“UG2 incorporated in December, 2012 with the goal of creating the next generation of Integrated Facility Services excellence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchDresher, NC, United StatesHQ recorded Nov 6, 20261,001-5,000863 contacts →

Exact match

“Stay up to date with Newport, an Ascensus company, by following us on the Ascensus page.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNew York, United StatesHQ recorded Nov 6, 20265,001-10,000823 contacts →

Exact match

“For nearly 100 years, Duff & Phelps helped clients make confident decisions in the areas of valuation, real estate, taxation and transfer pricing, disputes, M&A advisory and other…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchGeneseo, NY, United StatesHQ recorded Nov 6, 2026501-1,000577 contacts →

Exact match

“Coast is a top-performing call center services company that specializes in onshore omni-channel solutions, accounts receivable management, and back-office functions for public and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPearl River, NY, United StatesHQ recorded Nov 6, 2026501-1,000565 contacts →

Exact match

“Active International, the corporate trade leader for over four decades, enables companies to maximize the value they receive for assets, increase their return on ad spend, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSyracuse, NY, United StatesHQ recorded Nov 6, 20261,001-5,000522 contacts →

Exact match

“American Food & Vending is one of the largest privately-held refreshment service providers in the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20261,001-5,000511 contacts →

Exact match

“AST is now EQ!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPost Falls, ID, United StatesHQ recorded Nov 6, 20261,001-5,000455 contacts →

Exact match

“Corporate Tools is proudly, stubbornly independent.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMilwaukee, WI, United StatesHQ recorded Nov 6, 2026201-500433 contacts →

Exact match

“Our firm was founded in 1957 on a simple idea - judge our success by the success of our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchPortland, OR, United StatesHQ recorded Nov 6, 2026201-500418 contacts →

Exact match

“For more than 50 years, Aldrich has worked with businesses, their owners, and their employees to help them achieve their professional and personal financial goals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026201-500400 contacts →

Exact match

“As of today, Proper has secured $20M in investments from Silicon Valley’s top VC companies and employs over 300 passionate problem solvers in six countries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchReading, NJ, United StatesHQ recorded Nov 6, 2026201-500381 contacts →

Exact match

“Stevens & Lee is the cornerstone of The Stevens & Lee Companies, a platform of affiliated professional service firms which provides a full range of legal, investment banking…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchWhite Plains, NY, United StatesHQ recorded Nov 6, 202651-200379 contacts →

Exact match

“Arch Capital Group Ltd.(Arch Capital or ACGL), a Bermuda public limited liability company, writes insurance and reinsurance on a worldwide basis through operations in Bermuda, the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchGreenwood Village, TN, United StatesHQ recorded Nov 6, 2026201-500368 contacts →

Exact match

“At National, we’ve been called a lot of things.”

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

Showing 24 of 6,531 corporate services based in the United States

See the full list, filter by size, metro and specialty, and access 34,139 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Corporate services based in the United States at a glance

As of Nov 6, 2026
32.1%Verified-email coverage
16.3Average contacts per company
1-10Median size (employees)
4.6%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
4,124
11-50
1,583
51-200
502
201-500
156
501-1,000
53
1,001-5,000
62
5,001-10,000
6
10001+
19

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 6,531 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 “corporate 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 34,139 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 “corporate services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many corporate services are there based in the United States?

RevenueBase identified 6,531 company matches for corporate 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?

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

Which city has the most corporate services?

New York leads with 300 company records, followed by Houston (153) and Atlanta (128).

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 34,139 professional contacts with verified work emails tracked across these 6,531 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.