Company lists · Data verified August 2026

Top 25 Contract staffing firms based in the United States

Name: Contract staffing firms 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 11,325 companies tracked

There are 11,325 contract staffing firms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 566,487 professional contacts across them, including 78,518 with verified work emails and 158,556 with mobile numbers. New York is the largest hub.

This list covers contract staffing firms 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.

11,325Companies

566,487Contacts tracked

78,518Verified emails

158,556Mobile numbers

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The 25 largest contract staffing firms based in the United States

Ranked by team size

Top 25 of 11,325 contract staffing firms 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	Tradesmen International	Macedonia, OH	10001+	5,034	462
6	Spherion	Atlanta, GA	10001+	4,265	247
7	Select Staffing	Atlanta, GA	10001+	3,928	54
8	Artech L.L.C	Fremont, CA	5,001-10,000	3,642	1,137
9	Rose International	Chesterfield, MO	5,001-10,000	2,077	417
10	Remedy Intelligent Staffing	Atlanta, GA	10001+	1,948	49
11	Soliant	Atlanta, GA	5,001-10,000	1,918	501
12	Elite Staffing INC	Summit, IL	10001+	1,660	119
13	Resourcemfg	Atlanta, GA	5,001-10,000	1,640	50
14	Onin Staffing	Birmingham, AL	10001+	1,629	304
15	Aquent	Sunnyvale, CA	10001+	1,397	521
16	System ONE	Indianapolis, IN	5,001-10,000	1,380	250
17	Pinnacle Group, INC	Dallas, TX	5,001-10,000	1,133	182
18	Staff Zone	West Columbia, SC	10001+	1,004	118
19	Sasr Workforce Solutions	Cary, NC	5,001-10,000	883	38
20	Hospitality Staffing Solutions	Atlanta, GA	5,001-10,000	658	224
21	Automation Personnel Services, INC	Nashville, TN	10001+	623	68
22	Acara Solutions, An Aleron Company	Clifton Park, NY	5,001-10,000	486	115
23	Focus Workforce Management	Lenexa, KS	10001+	472	48
24	Wise Staffing Group	Tupelo, MS	5,001-10,000	437	223
25	Apidel Technologies	Plainfield, IL	5,001-10,000	432	45

Showing 25 of 11,325 contract staffing firms based in the United States

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Contract staffing firms based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 359 HQs

158,556Contacts with mobile numbers

165Emails re-verified in last 30 days

Companies by employee count

1-10

4,316

11-50

3,293

51-200

2,130

201-500

784

501-1,000

354

1,001-5,000

288

5,001-10,000

10001+

Contract staffing firms by metro

Metro	Companies
Contract staffing firms in New York	359
Contract staffing firms in Houston	341
Contract staffing firms in Dallas	232
Contract staffing firms in Atlanta	217
Contract staffing firms in Chicago	179
Contract staffing firms in Austin	176
Contract staffing firms in Los Angeles	126

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 firms”, 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; 165 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 firms are there based in the United States?

There are 11,325 contract staffing firms 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 firms?

New York leads with 359 headquartered companies, followed by Houston (341) and Dallas (232).

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 78,518 verified decision-maker contacts tracked across these 11,325 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.