Company lists · Data refreshed September 2026

Top 25 Cleanroom staffing agencies based in Houston, United States

Name: Cleanroom staffing agencies based in Houston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 141 companies tracked

RevenueBase identified 141 cleanroom staffing agencies headquartered in Houston, United States as of September 2026 and tracks 4,078 professional contacts across them, including 379 with verified work emails. Across the United States, Houston is the largest hub for this category.

This list covers cleanroom staffing agencies headquartered in Houston, United States, 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.

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

141Companies

4,078Contacts tracked

379Verified emails

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The 25 largest cleanroom staffing agencies based in Houston, United States

Ranked by team size

Top 25 of 141 cleanroom staffing agencies based in Houston, United States, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to cleanroom 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	SELF	Indirect evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	n/a	1,431 contacts →
	Indirect evidence “We are a Full Service Solutions Company specializing in placements of professionals in Information Technology, Finance/Accounting, Energy (front, mid and back office)…” Source: RevenueBase Database · checked Sep 27, 2026
2	Link Staffing	Partial evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	1,001-5,000	579 contacts →
	Partial evidence “LINK Staffing has been placing competent, dependable talent with Texas employers since 1980.” Source: RevenueBase Database · checked Sep 27, 2026
3	Burnett Specialists Staffing Recruiting	Partial evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	51-200	454 contacts →
	Partial evidence “We are Texas’ largest employee-owned staffing & placement agency set apart by our award-winning and innovative services, outstanding staff tenure, multiple skill specializations…” Source: RevenueBase Database · checked Sep 27, 2026
4	Dataquad INC	Indirect evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	201-500	233 contacts →
	Indirect evidence “Welcome to Dataquad Inc.” Source: RevenueBase Database · checked Sep 27, 2026
5	Taylor Smith Consulting, LLC	Indirect evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	501-1,000	81 contacts →
	Indirect evidence “Taylor Smith Consulting is a leading technical, service, and staff resource provider.” Source: RevenueBase Database · checked Sep 27, 2026
6	Murray Resources	Partial evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	11-50	79 contacts →
	Partial evidence “Named 'Best Recruiting and Staffing Firm in the US'- 9X by TrustPilot We provide direct hire, temporary/contract staffing, temp-to-hire, and payroll services to top employers…” Source: RevenueBase Database · checked Sep 27, 2026
7	Beaconbold	Indirect evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	51-200	77 contacts →
	Indirect evidence “At BeaconBold, we specialize in connecting top-tier talent with leading organizations across the United States.” Source: RevenueBase Database · checked Sep 27, 2026
8	Employment & Training Centers, INC	Partial evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	201-500	73 contacts →
	Partial evidence “Since 1986, Employment & Training Centers, Inc.(ETC) has been a trusted provider of full-service staffing and workforce solutions throughout Texas.” Source: RevenueBase Database · checked Sep 27, 2026
9	Trublu HR Solutions	Indirect evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	51-200	50 contacts →
	Indirect evidence “TruBlu HR Solutions provides a resource to our clients and candidates for temporary, temp-hire, and permanent placement positions.” Source: RevenueBase Database · checked Sep 27, 2026
10	LPC Personnel, INC	Indirect evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	n/a	37 contacts →
	Indirect evidence “Connecting employers with the most talented personnel by placing temporary employees, full time candidates and more in Greenspoint, Katy, Spring Branch, Deer Park, Pearland…” Source: RevenueBase Database · checked Sep 27, 2026
11	Global Force USA	Partial evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	201-500	35 contacts →
	Partial evidence “Global Force USA specializes in Healthcare, Administrative, Call Center, IT and professional staffing services.” Source: RevenueBase Database · checked Sep 27, 2026
12	Kalpra Tech Solutions	Indirect evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	11-50	31 contacts →
	Indirect evidence “We're experts in finding specialist IT talent for tech-led organizations.” Source: RevenueBase Database · checked Sep 27, 2026
13	The Cole Group	Indirect evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	51-200	29 contacts →
	Indirect evidence “In business since 1973, The Cole Group has decades of success assisting companies identify and hire quality and dependable personnel.” Source: RevenueBase Database · checked Sep 27, 2026
14	Labtopia, INC	Partial evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	51-200	27 contacts →
	Partial evidence “Labtopia is a technical services company providing staffing, consulting, training and informatics.” Source: RevenueBase Database · checked Sep 27, 2026
15	Creative Employment Solutions, LLC	Partial evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	201-500	26 contacts →
	Partial evidence “Creative Employment Solutions (CES) was founded – to offer employers and candidates an alternative to the standard or traditional staffing experience.” Source: RevenueBase Database · checked Sep 27, 2026
16	Expert Staffing Company	Partial evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	11-50	25 contacts →
	Partial evidence “Since our founding in 1992, Expert Staffing has been committed to helping local employers find the people they need, when they need them.” Source: RevenueBase Database · checked Sep 27, 2026
17	Search Services	Partial evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	51-200	23 contacts →
	Partial evidence “Through its four divisions: Search Finance, Search Technology, Search Support, and Search AI, Search Services is firmly established as the premier recruiting and staffing agency…” Source: RevenueBase Database · checked Sep 27, 2026
18	Hiring Source	Indirect evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	1-10	20 contacts →
	Indirect evidence “The right people make all the difference.” Source: RevenueBase Database · checked Sep 27, 2026
19	Contemporary Recruiting	Indirect evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	11-50	19 contacts →
	Indirect evidence “We are a recruiting firm specialized in delivering best-fit job placements by spending in depth one-on-one time with each candidate to ensure their success as well as providing…” Source: RevenueBase Database · checked Sep 27, 2026
20	Brookwoods Group	Indirect evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	11-50	17 contacts →
	Indirect evidence “At Brookwoods Group, our focus is professionals that drive your business forward.” Source: RevenueBase Database · checked Sep 27, 2026
21	Element Staffing Services	Partial evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	11-50	14 contacts →
	Partial evidence “Element Staffing Services is an industry-leading, scientific and technical staffing company, offering contract, contract to hire, direct placement, and payroll services to…” Source: RevenueBase Database · checked Sep 27, 2026
22	Spectris Staffing Group, LLC	Partial evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	201-500	13 contacts →
	Partial evidence “Spectris Staffing Group, LLC is a full service staffing company providing hiring solutions to businesses in the greater Houston area.” Source: RevenueBase Database · checked Sep 27, 2026
23	Quest Personnel Resources	Indirect evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	11-50	12 contacts →
	Indirect evidence “Quest Personnel Resources, Inc.” Source: RevenueBase Database · checked Sep 27, 2026
24	REM Services, INC	Indirect evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	51-200	12 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 27, 2026
25	S&s Professional Services LP	Partial evidence	Houston, TX, United StatesHQ checked Sep 27, 2026	51-200	11 contacts →
	Partial evidence “We have built our company on providing professional and efficient staffing solutions.” Source: RevenueBase Database · checked Sep 27, 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: cleanroom 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 cleanroom staffing agencies.
Partial evidence: Its own public description names part of cleanroom staffing agencies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name cleanroom 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 141 cleanroom staffing agencies based in Houston, United States

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Cleanroom staffing agencies based in Houston, United States at a glance

As of Sep 27, 2026

9.3%Verified-email coverage

28.9Average contacts per company

11-50Median size (employees)

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 141 companies.

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 cleanroom 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.
What qualifies: Companies headquartered in Houston, United States whose own description of what they do matches “cleanroom 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 cleanroom 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 cleanroom staffing agencies, and records with no verified work email. Companies headquartered outside Houston are excluded even when they keep an office there.
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, 379 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.

Cleanroom staffing agencies by metro in the United States

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 cleanroom 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 cleanroom staffing agencies are there based in Houston, United States?

RevenueBase identified 141 cleanroom staffing agencies headquartered in Houston, United States 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?

SELF, headquartered in Houston, tops this list with the largest team on record.

Which city in the United States has the most cleanroom staffing agencies?

Houston leads the United States with 141 headquartered companies, followed by New York (129) and Dallas (91).

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 379 verified decision-maker contacts tracked across these 141 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.