Company lists · Data verified August 2026

Top 25 Contract engineering staffing based in the United States

Name: Contract engineering staffing 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 8,575 companies tracked

There are 8,575 contract engineering staffing headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 331,430 professional contacts across them, including 50,997 with verified work emails and 94,858 with mobile numbers. Houston is the largest hub.

This list covers contract engineering staffing 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.

8,575Companies

331,430Contacts tracked

50,997Verified emails

94,858Mobile numbers

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The 25 largest contract engineering staffing based in the United States

Ranked by team size

Top 25 of 8,575 contract engineering staffing 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	Manpower	Lancaster, PA	10001+	22,476	521
2	Tradesmen International	Macedonia, OH	10001+	5,034	462
3	Spherion	Atlanta, GA	10001+	4,265	247
4	Select Staffing	Atlanta, GA	10001+	3,928	54
5	Artech L.L.C	Fremont, CA	5,001-10,000	3,642	1,137
6	Rose International	Chesterfield, MO	5,001-10,000	2,077	417
7	Remedy Intelligent Staffing	Atlanta, GA	10001+	1,948	49
8	Elite Staffing INC	Summit, IL	10001+	1,660	119
9	Resourcemfg	Atlanta, GA	5,001-10,000	1,640	50
10	BHI Energy	Weymouth, MA	5,001-10,000	1,427	74
11	System ONE	Indianapolis, IN	5,001-10,000	1,380	250
12	Staff Zone	West Columbia, SC	10001+	1,004	118
13	Automation Personnel Services, INC	Nashville, TN	10001+	623	68
14	Volt Technical Resources	Orange, CA	5,001-10,000	585	29
15	Wise Staffing Group	Tupelo, MS	5,001-10,000	437	223
16	Peopleready Skilled Trades	Tacoma, WA	10001+	433	57
17	Qualified Staffing	Chattanooga, TN	10001+	429	44
18	First Team Staffing Services, INC	Columbia, MD	10001+	286	24
19	Priorityworkforce, INC	Tustin	5,001-10,000	216	129
20	Fairway Staffing	Bell Gardens, CA	5,001-10,000	204	59
21	Atwork Group	Knoxville, TN	10001+	202	48
22	WSI	Sturgis, MI	5,001-10,000	199	30
23	J & J Staffing Resources	Cherry Hill, NJ	5,001-10,000	168	17
24	Canadian Executive Search Group USA INC Division Of Arrow Group Of Companies	Brampton	10001+	152	31
25	Careersusa	Boca Raton, FL	5,001-10,000	130	17

Showing 25 of 8,575 contract engineering staffing based in the United States

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Contract engineering staffing based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

HoustonLargest hub · 303 HQs

94,858Contacts with mobile numbers

107Emails re-verified in last 30 days

Companies by employee count

1-10

3,510

11-50

2,574

51-200

1,524

201-500

506

501-1,000

215

1,001-5,000

169

5,001-10,000

10001+

Contract engineering staffing by metro

Metro	Companies
Contract engineering staffing in Houston	303
Contract engineering staffing in New York	251
Contract engineering staffing in Atlanta	155
Contract engineering staffing in Dallas	146
Contract engineering staffing in Austin	142
Contract engineering staffing in Chicago	116
Contract engineering staffing in Charlotte	91

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 engineering staffing”, 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; 107 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 engineering staffing are there based in the United States?

There are 8,575 contract engineering staffing headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Manpower, headquartered in Lancaster, tops this list with the largest team on record.

Which city has the most contract engineering staffing?

Houston leads with 303 headquartered companies, followed by New York (251) and Atlanta (155).

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 50,997 verified decision-maker contacts tracked across these 8,575 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.