Company lists · Data refreshed September 2026

Top 25 Contract lab staffing agencies worldwide

RevenueBase identified 4,575 contract lab staffing agencies worldwide as of September 2026 and tracks 111,466 professional contacts across them, including 15,644 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers contract lab 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 27, 2026. Country and city lists for contract lab 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 27, 2026 86% judged on-target in blind review
4,575Companies
111,466Contacts tracked
15,644Verified emails
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The 25 largest contract lab staffing agencies worldwide

Ranked by team size
Top 25 of 4,575 contract lab staffing agencies worldwide, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to contract lab 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceAtlanta, GA, United StatesHQ checked Sep 27, 202610001+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 27, 2026
2Indirect evidenceLyon, FranceHQ checked Sep 27, 2026501-1,0002,001 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 27, 2026
3Partial evidenceKearney, MO, United StatesHQ checked Sep 27, 2026n/a1,755 contacts →

Partial evidence

“LaborMAX Staffing is your reliable provider of quality pre-screened contingent workers.”

Source: RevenueBase Database · checked Sep 27, 2026
4Indirect evidenceBangalore, IndiaHQ checked Sep 27, 202610001+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 27, 2026
5Indirect evidenceChicago, IL, United StatesHQ checked Sep 27, 202610001+1,661 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 27, 2026
6Partial evidenceBirmingham, AL, United StatesHQ checked Sep 27, 202610001+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 27, 2026
7Partial evidenceRound Rock, TX, United StatesHQ checked Sep 27, 2026501-1,0001,234 contacts →

Partial evidence

“Let us make construction staffing work for you.”

Source: RevenueBase Database · checked Sep 27, 2026
8Partial evidenceAlpharetta, GA, United StatesHQ checked Sep 27, 2026501-1,0001,171 contacts →

Partial evidence

“LocumTenens.com specializes in optimizing healthcare staffing operations.”

Source: RevenueBase Database · checked Sep 27, 2026
9Strong evidenceAppleton, WI, United StatesHQ checked Sep 27, 2026201-5001,170 contacts →

Strong evidence

“TotalMed provides temporary, contract, and full time staffing services to hospitals, medical groups, health plans, and life sciences companies who require staffing assistance in…”

Source: RevenueBase Database · checked Sep 27, 2026
10Strong evidenceRaleigh, NC, United StatesHQ checked Sep 27, 20261,001-5,0001,088 contacts →

Strong evidence

“Founded in 2012, Planet Pharma is a global leader in life sciences recruitment and staffing, specializing in Pharmaceuticals, Biotechnology, Medical Device, Labs & Healthcare…”

Source: RevenueBase Database · checked Sep 27, 2026
11Partial evidenceEwing, NJ, United StatesHQ checked Sep 27, 2026201-5001,012 contacts →

Partial evidence

“The Solution to Your Staffing Needs Lyneer Staffing Solutions is a national workforce solutions company with over 25 years of experience in the staffing industry.”

Source: RevenueBase Database · checked Sep 27, 2026
12Partial evidenceGallo Manor, South AfricaHQ checked Sep 27, 2026501-1,000923 contacts →

Partial evidence

“BLU by Adcorp is a leading provider of contingent staffing and workforce management solutions across South Africa and Australia.”

Source: RevenueBase Database · checked Sep 27, 2026
13Indirect evidenceHouston, TX, United StatesHQ checked Sep 27, 2026201-500894 contacts →

Indirect evidence

“We offer reliable, affordable temporary labor.”

Source: RevenueBase Database · checked Sep 27, 2026
14Partial evidenceIrving, TX, United StatesHQ checked Sep 27, 2026201-500881 contacts →

Partial evidence

“IMCS Group is an IT, Healthcare, and Professional Staffing Company that helps Enterprises optimize the business value of their Staffing investments and enables them to achieve…”

Source: RevenueBase Database · checked Sep 27, 2026
15Strong evidenceFort Lauderdale, FL, United StatesHQ checked Sep 27, 2026501-1,000855 contacts →

Strong evidence

“MedPro Healthcare Staffing is a Joint Commission certified, leading provider of temporary and contract staffing services to healthcare facilities throughout the United States.”

Source: RevenueBase Database · checked Sep 27, 2026
16Partial evidenceHouston, TX, United StatesHQ checked Sep 27, 2026201-500849 contacts →

Partial evidence

“The Liberty Group is a national multifamily staffing partner connecting property teams with experienced talent that keeps operations moving.”

Source: RevenueBase Database · checked Sep 27, 2026
17Strong evidenceEdison, NJ, United StatesHQ checked Sep 27, 2026501-1,000762 contacts →

Strong evidence

“Integrated Resources Inc.(IRI) is a professional staffing firm specializing in contract, consulting & full time positions in the area of Information Technology, Life Science and…”

Source: RevenueBase Database · checked Sep 27, 2026
18Partial evidenceGoose Creek, SC, United StatesHQ checked Sep 27, 2026n/a732 contacts →

Partial evidence

“Trojan Labor Specializes in matching Customers who have industrial and Light Industrial staffing needs while never forgetting who the CUSTOMER is.”

Source: RevenueBase Database · checked Sep 27, 2026
19Partial evidenceAtlanta, GA, United StatesHQ checked Sep 27, 20265,001-10,000656 contacts →

Partial evidence

“Today, Hospitality Staffing Solutions is recognized as the industry leader.”

Source: RevenueBase Database · checked Sep 27, 2026
20Partial evidenceKalamazoo, MI, United StatesHQ checked Sep 27, 20261,001-5,000653 contacts →

Partial evidence

“Trillium Staffing Solutions is an employment service specializing in staffing, training, testing, on-site services, human resources and safety consulting.”

Source: RevenueBase Database · checked Sep 27, 2026
21Partial evidenceEl Segundo, CA, United StatesHQ checked Sep 27, 2026501-1,000651 contacts →

Partial evidence

“Epic Staffing Group is a diversified national provider of staffing services to the Life Sciences and Healthcare industries.”

Source: RevenueBase Database · checked Sep 27, 2026
22Indirect evidenceLouisville, KY, United StatesHQ checked Sep 27, 2026201-500646 contacts →

Indirect evidence

“Malone takes care of business by taking care of people.”

Source: RevenueBase Database · checked Sep 27, 2026
23Indirect evidenceBirmingham, AL, United StatesHQ checked Sep 27, 202610001+624 contacts →

Indirect evidence

“Automation Personnel Services was founded in Birmingham, AL almost 30 years ago and has expanded coast to coast with 40 Branch offices in eleven states.”

Source: RevenueBase Database · checked Sep 27, 2026
24Indirect evidenceNashville, TN, United StatesHQ checked Sep 27, 2026n/a618 contacts →

Indirect evidence

“HireQuest Direct specializes in day labor, general labor, disaster recovery, skilled labor, janitorial, site clean-up, composite crew, demolition, administrative, hospitality…”

Source: RevenueBase Database · checked Sep 27, 2026
25Partial evidenceNew York, NY, United StatesHQ checked Sep 27, 2026501-1,000614 contacts →

Partial evidence

“Mitchell Martin Inc.(MMI) is one of the largest employee-owned staffing firms in the U.S, specializing in IT, healthcare, healthcare IT, accounting and finance, and professional…”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 4,575 contract lab staffing agencies worldwide

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Contract lab staffing agencies worldwide at a glance

As of Sep 27, 2026
14.0%Verified-email coverage
24.4Average contacts per company
11-50Median size (employees)
1.4%Largest-city concentration · New York
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
1,703
11-50
1,213
51-200
933
201-500
389
501-1,000
169
1,001-5,000
114
5,001-10,000
21
10001+
18

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 contract lab 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 contract lab staffing agencies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “contract lab 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 contract lab 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 contract lab 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, 15,644 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 27, 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.

Contract lab staffing agencies by location

21 lists · largest first

Every Contract lab 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 contract lab 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 contract lab staffing agencies are there worldwide?

RevenueBase identified 4,575 contract lab 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?

Spherion, headquartered in Atlanta, tops this list with the largest team on record.

Which country has the most contract lab staffing agencies?

The United States leads with 2,308 companies, followed by Germany (288) and the Netherlands (245). Every contract lab staffing agencies list by country and city is linked on this page.

Which city has the most contract lab staffing agencies?

New York leads with 65 headquartered companies, followed by Houston (57) and London (56).

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 15,644 verified decision-maker contacts tracked across these 4,575 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 27, 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.