Company lists · Data refreshed September 2026

Top 25 Hvac technician staffing companies based in the United States

Name: Hvac technician staffing companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 7,783 companies tracked

RevenueBase identified 7,783 hvac technician staffing companies headquartered in the United States as of September 2026 and tracks 129,790 professional contacts across them, including 26,144 with verified work emails. Houston is the largest hub.

This list covers hvac technician staffing companies headquartered in the 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 28, 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 28, 2026 86% judged on-target in blind review

7,783Companies

129,790Contacts tracked

26,144Verified emails

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The 25 largest hvac technician staffing companies based in the United States

Ranked by team size

Top 25 of 7,783 hvac technician staffing companies based in the United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to hvac technician staffing companies: 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	Tradesmen International	Indirect evidence	Macedonia, OH, United StatesHQ checked Sep 28, 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 28, 2026
2	Spherion	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 28, 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 28, 2026
3	Johnstone Supply	Indirect evidence	Portland, OR, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,664 contacts →
	Indirect evidence “Making it easier for HVACR contractors to do business.” Source: RevenueBase Database · checked Sep 28, 2026
4	Resourcemfg	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 28, 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 28, 2026
5	Nesco Resource	Indirect evidence	Mayfield Heights, OH, United StatesHQ checked Sep 28, 2026	501-1,000	1,599 contacts →
	Indirect evidence “Companies need talent.” Source: RevenueBase Database · checked Sep 28, 2026
6	SELF	Indirect evidence	Houston, TX, United StatesHQ checked Sep 28, 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 28, 2026
7	Coworx Staffing Services	Partial evidence	Morristown, NJ, United StatesHQ checked Sep 28, 2026	201-500	1,286 contacts →
	Partial evidence “CoWorx Staffing Services is one of the largest staffing firms in the U.S.” Source: RevenueBase Database · checked Sep 28, 2026
8	Construction Labor Contractors	Partial evidence	Round Rock, TX, United StatesHQ checked Sep 28, 2026	501-1,000	1,234 contacts →
	Partial evidence “Let us make construction staffing work for you.” Source: RevenueBase Database · checked Sep 28, 2026
9	Outsource	Partial evidence	El Segundo, CA, United StatesHQ checked Sep 28, 2026	n/a	1,230 contacts →
	Partial evidence “Outsource is the largest staffing firm in the nation specializing in the placement of low voltage and electrical talent.” Source: RevenueBase Database · checked Sep 28, 2026
10	TRS Staffing Solutions	Partial evidence	Greenville, United StatesHQ checked Sep 28, 2026	201-500	1,187 contacts →
	Partial evidence “TRS Staffing Solutions is a world leading engineering recruitment agency specialising in the recruitment and supply of professional, engineering, technical and field talent.” Source: RevenueBase Database · checked Sep 28, 2026
11	QPS Employment Group	Partial evidence	Brookfield, WI, United StatesHQ checked Sep 28, 2026	201-500	1,019 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
12	Staff Zone	Partial evidence	Roswell, GA, United StatesHQ checked Sep 28, 2026	10001+	1,011 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 28, 2026
13	Career Strategies	Partial evidence	Round Rock, TX, United StatesHQ checked Sep 28, 2026	n/a	955 contacts →
	Partial evidence “Career Strategies is a full service staffing firm specializing in Property Management, Healthcare and Professional Services recruitment.” Source: RevenueBase Database · checked Sep 28, 2026
14	Remx The Workforce Experts	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 28, 2026	1,001-5,000	901 contacts →
	Partial evidence “RemX is the professional staffing division of EmployBridge, a $3 billion staffing organization with more than 600 offices in the U.S.” Source: RevenueBase Database · checked Sep 28, 2026
15	R.E. Michel Company, LLC	Indirect evidence	Glen Burnie, MD, United StatesHQ checked Sep 28, 2026	1,001-5,000	873 contacts →
	Indirect evidence “The R.E.” Source: RevenueBase Database · checked Sep 28, 2026
16	The Reserves Network	Partial evidence	Fairview Park, OH, United StatesHQ checked Sep 28, 2026	n/a	812 contacts →
	Partial evidence “The Reserves Network is a leading provider of staffing services for the Office, Industrial, Professional and Technical markets.” Source: RevenueBase Database · checked Sep 28, 2026
17	Crown Staffing	Partial evidence	Westerville, OH, United StatesHQ checked Sep 28, 2026	201-500	749 contacts →
	Partial evidence “Crown Staffing is a leading staffing agency in 14 states, providing direct hire, temporary, and temp-to-hire staffing solutions to businesses of all sizes.” Source: RevenueBase Database · checked Sep 28, 2026
18	Employment Plus	Partial evidence	Bloomington, IN, United StatesHQ checked Sep 28, 2026	201-500	692 contacts →
	Partial evidence “For over 20 years, Employment Plus has been providing unmatched staffing and recruiting solutions to clients across the US.” Source: RevenueBase Database · checked Sep 28, 2026
19	Automation Personnel Services, INC	Indirect evidence	Birmingham, AL, United StatesHQ checked Sep 28, 2026	10001+	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 28, 2026
20	Hirequest Direct	Indirect evidence	Nashville, TN, United StatesHQ checked Sep 28, 2026	n/a	618 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 28, 2026
21	Mitchell Martin INC	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	501-1,000	614 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 28, 2026
22	Lasalle Network	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	201-500	605 contacts →
	Indirect evidence “Keeping business transformations on track is essential to maintaining market advantage.” Source: RevenueBase Database · checked Sep 28, 2026
23	ALL Team Staffing	Indirect evidence	Tampa, CO, United StatesHQ checked Sep 28, 2026	501-1,000	602 contacts →
	Indirect evidence “All Team is a nationwide employment agency that supports 20+ markets from coast to coast.” Source: RevenueBase Database · checked Sep 28, 2026
24	Volt Technical Resources	Indirect evidence	Orange, CA, United StatesHQ checked Sep 28, 2026	5,001-10,000	584 contacts →
	Indirect evidence “A Six Sigma Company ~61 years in the industry ~Nationwide 4 million+ candidate database ~Fortune Company ~Extensive E-Recruiting capabilities ~Reference and Employment check…” Source: RevenueBase Database · checked Sep 28, 2026
25	Link Staffing	Partial evidence	Houston, TX, United StatesHQ checked Sep 28, 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 28, 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: hvac technician staffing companies. 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 hvac technician staffing companies.
Partial evidence: Its own public description names part of hvac technician staffing companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name hvac technician staffing companies. 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 7,783 hvac technician staffing companies based in the United States

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Hvac technician staffing companies based in the United States at a glance

As of Sep 28, 2026

20.1%Verified-email coverage

16.7Average contacts per company

11-50Median size (employees)

2.3%Largest-city concentration · Houston

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

3,579

11-50

2,713

51-200

966

201-500

265

501-1,000

1,001-5,000

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 7,783 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 hvac technician staffing companies, 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 the United States whose own description of what they do matches “hvac technician staffing companies”. 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 hvac technician staffing companies), 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 hvac technician staffing companies, and records with no verified work email. Companies headquartered outside United States 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, 26,144 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 28, 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.

Hvac technician staffing companies by metro

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 hvac technician staffing companies, 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 hvac technician staffing companies are there based in the United States?

RevenueBase identified 7,783 hvac technician staffing companies headquartered in the 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?

Tradesmen International, headquartered in Macedonia, tops this list with the largest team on record.

Which city has the most hvac technician staffing companies?

Houston leads with 176 headquartered companies, followed by New York (109) and Dallas (72).

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 26,144 verified decision-maker contacts tracked across these 7,783 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 28, 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.