Company lists · Data refreshed September 2026

Top 25 Assembly staffing agencies worldwide

Name: Assembly staffing agencies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 17,120 companies tracked

RevenueBase identified 17,120 assembly staffing agencies worldwide as of September 2026 and tracks 417,708 professional contacts across them, including 56,013 with verified work emails. The United States is the largest market and London the largest hub.

This list covers assembly staffing agencies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026. Country and city lists for assembly staffing agencies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review

17,120Companies

417,708Contacts tracked

56,013Verified emails

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The 25 largest assembly staffing agencies worldwide

Ranked by team size

Top 25 of 17,120 assembly staffing agencies worldwide, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to assembly staffing agencies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Aerotek	Indirect evidence	Hanover, MD, United StatesHQ checked Sep 21, 2026	n/a	18,268 contacts →
	Indirect evidence “From economic headwinds to talent complexities, the challenges facing North American industry are real.” Source: RevenueBase Database · checked Sep 21, 2026
2	Tradesmen International	Indirect evidence	Macedonia, OH, United StatesHQ checked Sep 21, 2026	10001+	4,999 contacts →
	Indirect evidence “Founded in 1992, Tradesmen International is North America’s premier resource for proven skilled craftsmen and labor consulting services.” Source: RevenueBase Database · checked Sep 21, 2026
3	Appleone Employment Services	Indirect evidence	Glendale, CA, United StatesHQ checked Sep 21, 2026	1,001-5,000	4,627 contacts →
	Indirect evidence “AppleOne Employment Services is a full-service employment company.” Source: RevenueBase Database · checked Sep 21, 2026
4	Edustaff	Partial evidence	Grand Rapids, MI, United StatesHQ checked Sep 21, 2026	10001+	4,551 contacts →
	Partial evidence “America’s #1 choice for educational staffing.” Source: RevenueBase Database · checked Sep 21, 2026
5	Spherion	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 21, 2026	10001+	4,263 contacts →
	Partial evidence “We’re Spherion-a staffing and recruiting pioneer that’s been driving careers and helping businesses grow for over 75 years.” Source: RevenueBase Database · checked Sep 21, 2026
6	Select Staffing	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 21, 2026	10001+	3,934 contacts →
	Partial evidence “Select Staffing is a leading provider of temporary staffing and employment services in the U.S, with nationwide operations across multiple contingent staffing sectors.” Source: RevenueBase Database · checked Sep 21, 2026
7	Manpower France	Indirect evidence	Puteaux, FranceHQ checked Sep 21, 2026	1,001-5,000	3,619 contacts →
	Indirect evidence “Manpower France est une marque de ManpowerGroup France qui propose aux entreprises des solutions en matière de recrutement sous le label Conseil Recrutement et des solutions aux…” Source: RevenueBase Database · checked Sep 21, 2026
8	Elwood Staffing Services, INC	Indirect evidence	Columbus, IN, United StatesHQ checked Sep 21, 2026	n/a	3,481 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
9	Beacon Hill	Partial evidence	Boston, MA, United StatesHQ checked Sep 21, 2026	1,001-5,000	3,238 contacts →
	Partial evidence “Beacon Hill was founded to set a new standard in search, career placement and flexible staffing.” Source: RevenueBase Database · checked Sep 21, 2026
10	Labor Finders	Partial evidence	Palm Beach Gardens, FL, United StatesHQ checked Sep 21, 2026	n/a	2,759 contacts →
	Partial evidence “Established in 1975, Labor Finders International, a franchise company, is the oldest and largest privately held industrial labor staffing company.” Source: RevenueBase Database · checked Sep 21, 2026
11	Staff Management SMX	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 21, 2026	501-1,000	2,680 contacts →
	Indirect evidence “Founded in 1988, Staff Management is a recognized leader of comprehensive workforce solutions that deliver best talent, drive compliance, yield tangible savings and build…” Source: RevenueBase Database · checked Sep 21, 2026
12	Samsic Emploi	Indirect evidence	Rennes, FranceHQ checked Sep 21, 2026	5,001-10,000	2,454 contacts →
	Indirect evidence “Samsic Emploi a été classée meilleure enseigne de travail temporaire par Capital, pour la 4ème année consécutive.” Source: RevenueBase Database · checked Sep 21, 2026
13	Blue Arrow	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	n/a	2,341 contacts →
	Partial evidence “Blue Arrow is the UK’s Best-Known Staffing Agency, placing tens of thousands of candidates into temporary and permanent jobs for employers in the transport, logistics, call…” Source: RevenueBase Database · checked Sep 21, 2026
14	Employbridge	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 21, 2026	1,001-5,000	2,260 contacts →
	Partial evidence “Employbridge is recognized by Staffing Industry Analysts (SIA) as America’s largest industrial staffing firm.” Source: RevenueBase Database · checked Sep 21, 2026
15	Trueblue INC	Indirect evidence	Tacoma, WA, United StatesHQ checked Sep 21, 2026	1,001-5,000	2,148 contacts →
	Indirect evidence “TrueBlue (NYSE: TBI) is a leading provider of specialized workforce solutions.” Source: RevenueBase Database · checked Sep 21, 2026
16	RAS Intérim	Indirect evidence	Lyon, FranceHQ checked Sep 21, 2026	501-1,000	2,001 contacts →
	Indirect evidence “Créée en 1969, R.A.S Intérim est depuis 1994 une entreprise unique en France puisqu’elle offre une prestation de service disponible 7 J/ 7, 24 H/ 24 et sans interruption.” Source: RevenueBase Database · checked Sep 21, 2026
17	Remedy Intelligent Staffing	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 21, 2026	10001+	1,948 contacts →
	Partial evidence “Remedy Intelligent Staffing is a nationwide professional staffing organization with more than 50 years of recruiting and selection expertise to match job candidates with positions…” Source: RevenueBase Database · checked Sep 21, 2026
18	Staffline Recruitment Limited	Indirect evidence	Nottingham, United KingdomHQ checked Sep 21, 2026	501-1,000	1,865 contacts →
	Indirect evidence “At Staffline, we make recruitment simple, strategic and effective.” Source: RevenueBase Database · checked Sep 21, 2026
19	Labormax Staffing	Partial evidence	Kearney, MO, United StatesHQ checked Sep 21, 2026	n/a	1,755 contacts →
	Partial evidence “LaborMAX Staffing is your reliable provider of quality pre-screened contingent workers.” Source: RevenueBase Database · checked Sep 21, 2026
20	Synergie Italia	Indirect evidence	Torino, ItalyHQ checked Sep 21, 2026	501-1,000	1,748 contacts →
	Indirect evidence “L’Italia è piena di talenti: il nostro lavoro è riconoscerli!” Synergie Italia S.p.A.” Source: RevenueBase Database · checked Sep 21, 2026
21	Magna Infotech	Indirect evidence	Bangalore, IndiaHQ checked Sep 21, 2026	10001+	1,702 contacts →
	Indirect evidence “We are the largest IT staff augmentation provider in India, with employees spread across 500+ skill sets.” Source: RevenueBase Database · checked Sep 21, 2026
22	Elite Staffing INC	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 21, 2026	10001+	1,661 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026
23	Resourcemfg	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 21, 2026	5,001-10,000	1,639 contacts →
	Indirect evidence “ResourceMFG places temporary and direct hire employees within the total spectrum of manufacturing jobs including production, quality, maintenance, supervision, and all levels of…” Source: RevenueBase Database · checked Sep 21, 2026
24	Surge Staffing	Partial evidence	Columbus, OH, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,622 contacts →
	Partial evidence “For over 57 years, Surge has been a national leader in staffing solutions, workforce management and workforce program solutions.” Source: RevenueBase Database · checked Sep 21, 2026
25	Onin Staffing	Partial evidence	Birmingham, AL, United StatesHQ checked Sep 21, 2026	10001+	1,614 contacts →
	Partial evidence “Ōnin Staffing, a company of The Ōnin Group, is a national light industrial and clerical staffing agency.” Source: RevenueBase Database · checked Sep 21, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: assembly staffing agencies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names assembly staffing agencies.
Partial evidence: Its own public description names part of assembly staffing agencies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name assembly staffing agencies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 17,120 assembly staffing agencies worldwide

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Assembly staffing agencies worldwide at a glance

As of Sep 21, 2026

13.4%Verified-email coverage

24.4Average contacts per company

11-50Median size (employees)

1.6%Largest-city concentration · London

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

6,954

11-50

4,294

51-200

3,134

201-500

1,336

501-1,000

638

1,001-5,000

500

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among assembly staffing agencies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for assembly staffing agencies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “assembly staffing agencies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names assembly staffing agencies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among assembly staffing agencies, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 56,013 across the full list. 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 September 21, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Assembly staffing agencies by location

62 lists · largest first

Every Assembly staffing agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names assembly staffing agencies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many assembly staffing agencies are there worldwide?

RevenueBase identified 17,120 assembly staffing agencies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Aerotek, headquartered in Hanover, tops this list with the largest team on record.

Which country has the most assembly staffing agencies?

The United States leads with 6,168 companies, followed by the United Kingdom (1,284) and the Netherlands (1,247). Every assembly staffing agencies list by country and city is linked on this page.

Which city has the most assembly staffing agencies?

London leads with 266 headquartered companies, followed by New York (193) and Houston (180).

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 56,013 verified decision-maker contacts tracked across these 17,120 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 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 Smart Search, 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.