Company lists · Data refreshed September 2026

Top 25 AI research staffing companies based in the United States

Name: AI research staffing companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 7,646 companies tracked

RevenueBase identified 7,646 company matches for AI research staffing companies associated with the United States as of September 2026 and tracks 288,553 professional contacts across them, including 47,061 with verified work emails. New York is the largest hub.

This list covers company matches for AI research staffing companies 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 September 27, 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 Sep 27, 2026 How this list was built

7,646Companies

288,553Contacts tracked

47,061Verified emails

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The 25 largest AI research staffing companies based in the United States

Ranked by team size

Top 25 of 7,646 company matches for AI research staffing companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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	KELLY	Exact match	Troy, MI, United StatesHQ recorded Sep 27, 2026	10001+	30,378 contacts →
	Exact match “We’ve been helping organizations find the people they need longer than any other company in the world.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	Insight Global	Exact match	Atlanta, GA, United StatesHQ recorded Sep 27, 2026	n/a	15,553 contacts →
	Exact match “Insight Global is an international talent and consulting company that delivers business outcomes in an ever-changing world.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3	Turing	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	6,094 contacts →
	Exact match “Turing is one of the world’s fastest-growing AI companies accelerating the advancement and deployment of powerful AI systems.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4	Spherion	Exact match	Atlanta, GA, United StatesHQ recorded Sep 27, 2026	10001+	4,263 contacts →
	Exact match “We’re Spherion-a staffing and recruiting pioneer that’s been driving careers and helping businesses grow for over 75 years.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	Select Staffing	Exact match	Atlanta, GA, United StatesHQ recorded Sep 27, 2026	10001+	3,934 contacts →
	Exact match “Select Staffing is a leading provider of temporary staffing and employment services in the U.S, with nationwide operations across multiple contingent staffing sectors.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	Artech L.L.C	Exact match	Morristown, NJ, United StatesHQ recorded Sep 27, 2026	5,001-10,000	3,674 contacts →
	Exact match “Artech is the largest Women-Owned IT Staffing Firm in the U.S, with 34+ years of experience powering workforce transformation for Fortune 500 companies and public-sector…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	Beacon Hill	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	3,238 contacts →
	Exact match “Beacon Hill was founded to set a new standard in search, career placement and flexible staffing.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	24 Seven Talent	Exact match	NY, United StatesHQ recorded Sep 27, 2026	n/a	2,554 contacts →
	Exact match “24 Seven partners with companies to get marketing, creative, and digital work done by providing the right talent, innovation, and insights.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9	Airswift	Exact match	Houston, TX, United StatesHQ recorded Sep 27, 2026	501-1,000	2,128 contacts →
	Exact match “We support STEM professionals looking for jobs with exceptional firms in the technology and engineering sectors.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	Mindlance	Exact match	Union, NJ, United StatesHQ recorded Sep 27, 2026	1,001-5,000	2,096 contacts →
	Exact match “Mindlance is a global Talent, Teams, Projects, and Workforce Solutions partner, serving leading enterprises across industries since With a strong footprint across multiple…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	Rose International	Exact match	Chesterfield, MO, United StatesHQ recorded Sep 27, 2026	5,001-10,000	2,061 contacts →
	Exact match “Rose International is a leading provider of Staffing and Total Talent Solutions to corporations and government agencies, employing thousands of people across the U.S, Canada and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	NLB Services	Exact match	Alpharetta, GA, United StatesHQ recorded Sep 27, 2026	5,001-10,000	1,958 contacts →
	Exact match “Founded in 2007, NLB Services is a global AI-led technology and business transformation organization that helps enterprises accelerate growth, enhance operational resilience, and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	Remedy Intelligent Staffing	Exact match	Atlanta, GA, United StatesHQ recorded Sep 27, 2026	10001+	1,948 contacts →
	Exact match “Remedy Intelligent Staffing is a nationwide professional staffing organization with more than 50 years of recruiting and selection expertise to match job candidates with positions…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	Spectraforce	Exact match	Raleigh, NC, United StatesHQ recorded Sep 27, 2026	1,001-5,000	1,845 contacts →
	Exact match “Founded in 2004, SPECTRAFORCE® is a global staffing and workforce solutions company that helps organizations build high-performing teams across healthcare, technology, financial…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15	Addison Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 27, 2026	1,001-5,000	1,840 contacts →
	Exact match “Addison Group provides comprehensive talent solutions and consulting services across diverse practice areas, including Non-Clinical Healthcare, Information Technology (IT), Human…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16	E-Solutions	Exact match	San Jose, CA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	1,669 contacts →
	Exact match “Empowering Technology Services” Founded in 2003, we are in our 22th year of structured growth.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17	Elite Staffing INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 27, 2026	10001+	1,661 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18	Nesco Resource	Exact match	Mayfield Heights, OH, United StatesHQ recorded Sep 27, 2026	501-1,000	1,599 contacts →
	Exact match “Companies need talent.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	Infotree Global Solutions	Exact match	Plymouth, MI, United StatesHQ recorded Sep 27, 2026	1,001-5,000	1,545 contacts →
	Exact match “Infotree Global was founded in 2002 in a small office in Canton, MI, Infotree Global had a clear mission; To bring the world’s best talent together with the greatest companies…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20	Bcforward	Exact match	Indianapolis, IN, United StatesHQ recorded Sep 27, 2026	5,001-10,000	1,448 contacts →
	Exact match “BCforward is a global talent and technology solutions partner helping organizations accelerate outcomes through people, platforms, and expertise.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21	SELF	Exact match	Houston, TX, United StatesHQ recorded Sep 27, 2026	n/a	1,431 contacts →
	Exact match “We are a Full Service Solutions Company specializing in placements of professionals in Information Technology, Finance/Accounting, Energy (front, mid and back office)…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	System ONE	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 27, 2026	5,001-10,000	1,386 contacts →
	Exact match “System One is a leading provider of specialized, highly technical outsourced services, workforce solutions, staffing, and recruiting to critical infrastructure, technology, life…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23	ASK Consulting	Exact match	Alpharetta, GA, United StatesHQ recorded Sep 27, 2026	501-1,000	1,296 contacts →
	Exact match “ASK Consulting is an award-winning technology and professional services recruiting firm servicing Fortune 500 organizations nationally.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24	Coworx Staffing Services	Exact match	Morristown, NJ, United StatesHQ recorded Sep 27, 2026	201-500	1,286 contacts →
	Exact match “CoWorx Staffing Services is one of the largest staffing firms in the U.S.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25	TRS Staffing Solutions	Exact match	Greenville, United StatesHQ recorded Sep 27, 2026	201-500	1,187 contacts →
	Exact match “TRS Staffing Solutions is a world leading engineering recruitment agency specialising in the recruitment and supply of professional, engineering, technical and field talent.” Recorded in the RevenueBase company graph · Sep 27, 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 “AI research staffing companies”. 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 7,646 AI research staffing companies based in the United States

See the full list, filter by size, metro and specialty, and access 47,061 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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AI research staffing companies based in the United States at a glance

As of Sep 27, 2026

16.3%Verified-email coverage

37.7Average contacts per company

11-50Median size (employees)

4.5%Largest-city concentration · New York

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

2,837

11-50

2,497

51-200

1,499

201-500

459

501-1,000

164

1,001-5,000

133

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 7,646 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 “AI research staffing companies” 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 47,061 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 September 27, 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.

AI research staffing companies 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 “AI research staffing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many AI research staffing companies are there based in the United States?

RevenueBase identified 7,646 company matches for AI research staffing companies associated with the United States as of September 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?

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

Which city has the most AI research staffing companies?

New York leads with 342 company records, followed by Houston (188) and Dallas (158).

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 47,061 professional contacts with verified work emails tracked across these 7,646 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 September 27, 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.