Company lists · Data verified August 2026

Top 25 Contract staffing agencies based in the United States

Name: Contract staffing agencies 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 18,978 companies tracked

There are 18,978 contract staffing agencies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 820,511 professional contacts across them, including 118,897 with verified work emails and 235,972 with mobile numbers. New York is the largest hub.

This list covers contract staffing agencies 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.

18,978Companies

820,511Contacts tracked

118,897Verified emails

235,972Mobile numbers

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The 25 largest contract staffing agencies based in the United States

Ranked by team size

Top 25 of 18,978 contract staffing agencies 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	AYA Healthcare	San Diego, CA	5,001-10,000	19,239	2,623
5	Peopleready	Tacoma, WA	10001+	5,500	441
6	Tradesmen International	Macedonia, OH	10001+	5,034	462
7	Edustaff	Grand Rapids, MI	10001+	4,521	116
8	Spherion	Atlanta, GA	10001+	4,265	247
9	Artech L.L.C	Fremont, CA	5,001-10,000	3,642	1,137
10	Favorite Healthcare Staffing	Overland Park, KS	5,001-10,000	2,493	139
11	Remedy Intelligent Staffing	Atlanta, GA	10001+	1,948	49
12	Soliant	Atlanta, GA	5,001-10,000	1,918	501
13	Elite Staffing INC	Summit, IL	10001+	1,660	119
14	Resourcemfg	Atlanta, GA	5,001-10,000	1,640	50
15	Onin Staffing	Birmingham, AL	10001+	1,629	304
16	Office Beacon LLC	Redondo Beach, CA	5,001-10,000	1,392	135
17	System ONE	Indianapolis, IN	5,001-10,000	1,380	250
18	Pinnacle Group, INC	Dallas, TX	5,001-10,000	1,133	182
19	Staff Zone	West Columbia, SC	10001+	1,004	118
20	Advantage Technical	Cincinnati, OH	10001+	862	42
21	ATC Healthcare	Lake Success, NY	10001+	760	75
22	Hospitality Staffing Solutions	Atlanta, GA	5,001-10,000	658	224
23	Careerstaff Unlimited	Winter Park, FL	5,001-10,000	645	99
24	Automation Personnel Services, INC	Nashville, TN	10001+	623	68
25	Volt Technical Resources	Orange, CA	5,001-10,000	585	29

Showing 25 of 18,978 contract staffing agencies based in the United States

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Contract staffing agencies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 653 HQs

235,972Contacts with mobile numbers

240Emails re-verified in last 30 days

Companies by employee count

1-10

7,450

11-50

5,655

51-200

3,548

201-500

1,200

501-1,000

538

1,001-5,000

383

5,001-10,000

10001+

Contract staffing agencies by metro

Metro	Companies
Contract staffing agencies in New York	653
Contract staffing agencies in Houston	526
Contract staffing agencies in Dallas	402
Contract staffing agencies in Atlanta	379
Contract staffing agencies in Chicago	311
Contract staffing agencies in Austin	291
Contract staffing agencies in Los Angeles	254

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 agencies”, 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; 240 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 agencies are there based in the United States?

There are 18,978 contract staffing agencies 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 agencies?

New York leads with 653 headquartered companies, followed by Houston (526) and Dallas (402).

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 118,897 verified decision-maker contacts tracked across these 18,978 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.