Company lists · Data refreshed November 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 Data refreshed Nov 5, 2026 7,068 companies tracked

RevenueBase identified 7,068 company matches for contract engineering staffing associated with the United States as of November 2026 and tracks 234,607 professional contacts across them, including 35,469 with verified work emails. Houston is the largest hub.

This list covers company matches for contract engineering staffing 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 November 5, 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 Nov 5, 2026 How this list was built

7,068Companies

234,607Contacts tracked

35,469Verified emails

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The 25 largest contract engineering staffing based in the United States

Ranked by team size

Top 25 of 7,068 company matches for contract engineering staffing based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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	Appleone Employment Services	Exact match	Glendale, AZ, United StatesHQ recorded Nov 5, 2026	1,001-5,000	5,438 contacts →
	Exact match “AppleOne Employment Services is a full-service employment company.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Tradesmen International	Exact match	Macedonia, OH, United StatesHQ recorded Nov 5, 2026	10001+	5,254 contacts →
	Exact match “Founded in 1992, Tradesmen International is North America’s premier resource for proven skilled craftsmen and labor consulting services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	Spherion	Exact match	Atlanta, GA, United StatesHQ recorded Nov 5, 2026	10001+	4,751 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 · Nov 5, 2026 · View company records in RevenueBase
4	Select Staffing	Exact match	Atlanta, GA, United StatesHQ recorded Nov 5, 2026	10001+	4,621 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 · Nov 5, 2026 · View company records in RevenueBase
5	Artech L.L.C	Exact match	Morristown, CA, United StatesHQ recorded Nov 5, 2026	5,001-10,000	3,973 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 · Nov 5, 2026 · View company records in RevenueBase
6	Elwood Staffing Services, INC	Exact match	Columbus, ND, United StatesHQ recorded Nov 5, 2026	n/a	3,786 contacts →
	Exact match “Whether you're looking to find your next great employee, make your next career move, or help a friend find a new job, you can trust that Elwood puts its passion and expertise into…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Beacon Hill	Exact match	Boston, OH, United StatesHQ recorded Nov 5, 2026	1,001-5,000	3,512 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 · Nov 5, 2026 · View company records in RevenueBase
8	Addison Group	Exact match	Chicago, CA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,031 contacts →
	Exact match “Addison Group provides comprehensive talent solutions and consulting services across diverse practice areas, including Finance & Accounting, Non-Clinical Healthcare, Information…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	MEDIX	Exact match	Chicago, CA, United StatesHQ recorded Nov 5, 2026	501-1,000	1,898 contacts →
	Exact match “Medix provides workforce solutions to clients and creates opportunity for talent in the Healthcare, Life Sciences, Engineering and Technology fields.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Labormax Staffing	Exact match	Kearney, KS, United StatesHQ recorded Nov 5, 2026	n/a	1,852 contacts →
	Exact match “When staffing is inconsistent across locations, the cost goes far beyond an open shift.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Elite Staffing INC	Exact match	Chicago, IN, United StatesHQ recorded Nov 5, 2026	10001+	1,847 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Resourcemfg	Exact match	Atlanta, GA, United StatesHQ recorded Nov 5, 2026	5,001-10,000	1,778 contacts →
	Exact match “ResourceMFG places temporary and direct hire employees within the total spectrum of manufacturing jobs including production, quality, maintenance, supervision, and all levels of…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Nesco Resource	Exact match	Mayfield Heights, OH, United StatesHQ recorded Nov 5, 2026	501-1,000	1,723 contacts →
	Exact match “Companies need talent.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	System ONE	Exact match	Pittsburgh, PA, United StatesHQ recorded Nov 5, 2026	5,001-10,000	1,625 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 · Nov 5, 2026 · View company records in RevenueBase
15	Infotree Global Solutions	Exact match	Plymouth, MI, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,594 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 · Nov 5, 2026 · View company records in RevenueBase
16	Brooksource	Exact match	Indianapolis, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,534 contacts →
	Exact match “At Brooksource, relationships are at the center of everything we do.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	SELF	Exact match	Houston, TX, United StatesHQ recorded Nov 5, 2026	n/a	1,434 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 · Nov 5, 2026 · View company records in RevenueBase
18	TRS Staffing Solutions	Exact match	Greenville, United StatesHQ recorded Nov 5, 2026	201-500	1,274 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 · Nov 5, 2026 · View company records in RevenueBase
19	Construction Labor Contractors	Exact match	Round Rock, TX, United StatesHQ recorded Nov 5, 2026	501-1,000	1,273 contacts →
	Exact match “Let us make construction staffing work for you.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Staff Zone	Exact match	Roswell, AZ, United StatesHQ recorded Nov 5, 2026	10001+	1,183 contacts →
	Exact match “Staff Zone is a Best-in-Class® construction staffing agency specializing in meeting the daily workforce needs of the construction, light industrial, and special events industries.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Motion Recruitment	Exact match	Boston, AZ, United StatesHQ recorded Nov 5, 2026	501-1,000	1,165 contacts →
	Exact match “Motion Recruitment, a Kelly® Company, delivers IT Talent Solutions for Contract, Direct Hire, Managed Solutions and Statement of Work to all of North America from our 21 delivery…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	QPS Employment Group	Exact match	Brookfield, WI, United StatesHQ recorded Nov 5, 2026	201-500	1,116 contacts →
	Exact match “Founded in 1985, QPS Employment Group has grown from a two-person operation to one of the nation's leading staffing and recruiting firms, with more than 300 internal employees…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Remx The Workforce Experts	Exact match	Atlanta, TN, United StatesHQ recorded Nov 5, 2026	1,001-5,000	985 contacts →
	Exact match “RemX is the professional staffing division of EmployBridge, a $3 billion staffing organization with more than 600 offices in the U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	MAX International	Exact match	Salt Lake City, UT, United StatesHQ recorded Nov 5, 2026	501-1,000	973 contacts →
	Exact match “Max International is a trusted US staffing and recruitment firm committed to connecting top-tier talent with leading organizations across the United States.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	The Reserves Network	Exact match	Fairview Park, IL, United StatesHQ recorded Nov 5, 2026	n/a	905 contacts →
	Exact match “The Reserves Network is a leading provider of staffing services for the Office, Industrial, Professional and Technical markets.” Recorded in the RevenueBase company graph · Nov 5, 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 “contract engineering staffing”. 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 7,068 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 Nov 5, 2026

15.1%Verified-email coverage

33.2Average contacts per company

11-50Median size (employees)

3.4%Largest-city concentration · Houston

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

2,695

11-50

2,238

51-200

1,352

201-500

433

501-1,000

164

1,001-5,000

131

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 7,068 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 “contract engineering staffing” 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 35,469 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 November 5, 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.

Contract engineering staffing 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 “contract engineering staffing”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 7,068 company matches for contract engineering staffing associated with the United States as of November 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?

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

Which city has the most contract engineering staffing?

Houston leads with 237 company records, followed by New York (198) and Dallas (135).

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 35,469 professional contacts with verified work emails tracked across these 7,068 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 November 5, 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.