Company lists · Data verified August 2026

Top 25 Contract staffing companies based in the United States

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 9,149 companies tracked

There are 9,149 contract staffing companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 428,354 professional contacts across them, including 55,024 with verified work emails and 116,252 with mobile numbers. Houston is the largest hub.

This list covers contract staffing companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

9,149Companies

428,354Contacts tracked

55,024Verified emails

116,252Mobile numbers

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The 25 largest contract staffing companies based in the United States

Ranked by team size

Top 25 of 9,149 contract staffing companies based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	KELLY	Memphis, TN	10001+	30,343	1,389
2	HAYS	Chicago, IL	5,001-10,000	22,596	3,718
3	Manpower	Lancaster, PA	10001+	22,476	521
4	Peopleready	Tacoma, WA	10001+	5,500	441
5	Spherion	Atlanta, GA	10001+	4,265	247
6	Select Staffing	Atlanta, GA	10001+	3,928	54
7	Artech L.L.C	Fremont, CA	5,001-10,000	3,642	1,137
8	Rose International	Chesterfield, MO	5,001-10,000	2,077	417
9	Remedy Intelligent Staffing	Atlanta, GA	10001+	1,948	49
10	Elite Staffing INC	Summit, IL	10001+	1,660	119
11	Resourcemfg	Atlanta, GA	5,001-10,000	1,640	50
12	Onin Staffing	Birmingham, AL	10001+	1,629	304
13	System ONE	Indianapolis, IN	5,001-10,000	1,380	250
14	Staff Zone	West Columbia, SC	10001+	1,004	118
15	Sasr Workforce Solutions	Cary, NC	5,001-10,000	883	38
16	Advantage Technical	Cincinnati, OH	10001+	862	42
17	Westaff	Atlanta, GA	10001+	779	32
18	Automation Personnel Services, INC	Nashville, TN	10001+	623	68
19	Acara Solutions, An Aleron Company	Clifton Park, NY	5,001-10,000	486	115
20	Focus Workforce Management	Lenexa, KS	10001+	472	48
21	Wise Staffing Group	Tupelo, MS	5,001-10,000	437	223
22	Apidel Technologies	Plainfield, IL	5,001-10,000	432	45
23	Qualified Staffing	Chattanooga, TN	10001+	429	44
24	jobsrus.com	Sandy Springs, GA	5,001-10,000	424	72
25	Express Employment Of The Northshore And Tangipahoa	Covington, LA	10001+	375	24

Showing 25 of 9,149 contract staffing companies based in the United States

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Contract staffing companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

HoustonLargest hub · 279 HQs

116,252Contacts with mobile numbers

119Emails re-verified in last 30 days

Companies by employee count

1-10

3,626

11-50

2,602

51-200

1,646

201-500

618

501-1,000

297

1,001-5,000

229

5,001-10,000

10001+

Contract staffing companies by metro

Metro	Companies
Contract staffing companies in Houston	279
Contract staffing companies in New York	277
Contract staffing companies in Dallas	174
Contract staffing companies in Atlanta	162
Contract staffing companies in Chicago	139
Contract staffing companies in Austin	122
Contract staffing companies in Los Angeles	113

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “contract staffing companies”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 119 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

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

There are 9,149 contract staffing companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

KELLY, headquartered in Memphis, tops this list with the largest team on record.

Which city has the most contract staffing companies?

Houston leads with 279 headquartered companies, followed by New York (277) and Dallas (174).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 55,024 verified decision-maker contacts tracked across these 9,149 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.