Company lists · Data refreshed September 2026

Top 25 Hvac engineering staffing companies worldwide

Name: Hvac engineering staffing companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 22,153 companies tracked

RevenueBase identified 22,153 company matches for hvac engineering staffing companies worldwide as of September 2026 and tracks 328,880 professional contacts across them, including 73,893 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for hvac engineering staffing companies worldwide, 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 September 28, 2026. Country and city lists for hvac engineering staffing companies follow the table.

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 Sep 28, 2026 How this list was built

22,153Companies

328,880Contacts tracked

73,893Verified emails

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The 25 largest hvac engineering staffing companies worldwide

Ranked by team size

Top 25 of 22,153 company matches for hvac engineering staffing companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Equans Belux	Exact match	Brussels, BelgiumHQ recorded Sep 28, 2026	5,001-10,000	5,297 contacts →
	Exact match “What if you could use your talent to contribute to the great challenges of tomorrow?” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Tradesmen International	Exact match	Macedonia, OH, United StatesHQ recorded Sep 28, 2026	10001+	4,999 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 · Sep 28, 2026 · View company records in RevenueBase
3	NES Fircroft	Exact match	Altrincham, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	2,951 contacts →
	Exact match “With over 90 years’ combined experience of delivering workforce solutions to the global energy industry, NES Fircroft is proud to be the world’s leading engineering staffing…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Samsic Emploi	Exact match	Rennes, FranceHQ recorded Sep 28, 2026	5,001-10,000	2,454 contacts →
	Exact match “Samsic Emploi a été classée meilleure enseigne de travail temporaire par Capital, pour la 4ème année consécutive.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Synergie Italia	Exact match	Torino, ItalyHQ recorded Sep 28, 2026	501-1,000	1,748 contacts →
	Exact match “L’Italia è piena di talenti: il nostro lavoro è riconoscerli!” Synergie Italia S.p.A.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Resourcemfg	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	1,639 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 · Sep 28, 2026 · View company records in RevenueBase
7	Nesco Resource	Exact match	Mayfield Heights, OH, United StatesHQ recorded Sep 28, 2026	501-1,000	1,599 contacts →
	Exact match “Companies need talent.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	BHI Energy	Exact match	Weymouth, MA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	1,427 contacts →
	Exact match “BHI Energy is an industry-leading provider of specialty services and staffing solutions in support of the daily operations, routine maintenance and capital investment requirements…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	PT Dana Purna Investama DPI	Exact match	Jakarta, IndonesiaHQ recorded Sep 28, 2026	5,001-10,000	1,338 contacts →
	Exact match “Dana Purna Investama (DPI) adalah perusahaan yang bergerak dibidang Pengelolaan Fasilitas Gedung (Facility Management Services) dan Penyedia Tenaga Kerja (Professional Resource…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Construction Labor Contractors	Exact match	Round Rock, TX, United StatesHQ recorded Sep 28, 2026	501-1,000	1,234 contacts →
	Exact match “Let us make construction staffing work for you.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Outsource	Exact match	El Segundo, CA, United StatesHQ recorded Sep 28, 2026	n/a	1,230 contacts →
	Exact match “Outsource is the largest staffing firm in the nation specializing in the placement of low voltage and electrical talent.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Aaon, INC	Exact match	Tulsa, OK, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,208 contacts →
	Exact match “Driving the industry forward through the design, manufacturing, and rigorous testing of premium HVAC equipment.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	TRS Staffing Solutions	Exact match	Greenville, United StatesHQ recorded Sep 28, 2026	201-500	1,187 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 · Sep 28, 2026 · View company records in RevenueBase
14	Randstad Belgium	Exact match	Strombeek-bever, BelgiumHQ recorded Sep 28, 2026	501-1,000	1,120 contacts →
	Exact match “Partner for Talent.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Mckenney's, INC	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,077 contacts →
	Exact match “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	In JOB	Exact match	Verona, ItalyHQ recorded Sep 28, 2026	1,001-5,000	1,024 contacts →
	Exact match “inJob è una società specializzata nella ricerca, selezione e somministrazione di professionisti qualificati con contratti a tempo determinato e indeterminato.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	QPS Employment Group	Exact match	Brookfield, WI, United StatesHQ recorded Sep 28, 2026	201-500	1,019 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 · Sep 28, 2026 · View company records in RevenueBase
18	Staff Zone	Exact match	Roswell, GA, United StatesHQ recorded Sep 28, 2026	10001+	1,011 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 · Sep 28, 2026 · View company records in RevenueBase
19	Ventec S.A	Exact match	Casablanca, MoroccoHQ recorded Sep 28, 2026	1,001-5,000	959 contacts →
	Exact match “La Société Ventec a été créée au Maroc en 1949 par Monsieur Albert MARQUET Président Directeur Général de Ventec en France.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Career Strategies	Exact match	Round Rock, TX, United StatesHQ recorded Sep 28, 2026	n/a	955 contacts →
	Exact match “Career Strategies is a full service staffing firm specializing in Property Management, Healthcare and Professional Services recruitment.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Sraco Human Resources Company	Exact match	Dammam, Saudi ArabiaHQ recorded Sep 28, 2026	10001+	947 contacts →
	Exact match “SRACO Human Resources Company was established in 2016 to provide the Saudi market with qualified and trained manpower for all activities, commercial, industrial, and domestic…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Cmta, INC	Exact match	Louisville, KY, United StatesHQ recorded Sep 28, 2026	501-1,000	936 contacts →
	Exact match “CMTA is part of Legence, a Nasdaq Listed company.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Morson Talent	Exact match	Manchester, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	909 contacts →
	Exact match “With a unique 50-year heritage of innovative recruitment, Morson Talent is a business with unrivalled sector knowledge, trusted relationships, highly skilled expertise and a…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Remx The Workforce Experts	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	901 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 · Sep 28, 2026 · View company records in RevenueBase
25	WCA Brasil	Exact match	Jundiaí, BrazilHQ recorded Sep 28, 2026	5,001-10,000	868 contacts →
	Exact match “A WCA Brasil atua na área de Prestação de Serviços há 26 anos.” Recorded in the RevenueBase company graph · Sep 28, 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 “hvac engineering staffing companies”. 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 22,153 hvac engineering staffing companies worldwide

See the full list, filter by size, metro and specialty, and access 73,893 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hvac engineering staffing companies worldwide at a glance

As of Sep 28, 2026

22.5%Verified-email coverage

14.8Average contacts per company

11-50Median size (employees)

2.1%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

10,185

11-50

7,393

51-200

3,043

201-500

847

501-1,000

293

1,001-5,000

200

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for hvac engineering staffing companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “hvac engineering staffing companies” 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. 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 73,893 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 September 28, 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.

Hvac engineering staffing companies by location

95 lists · largest first

Every Hvac engineering staffing companies 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 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 “hvac engineering staffing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hvac engineering staffing companies are there worldwide?

RevenueBase identified 22,153 company matches for hvac engineering staffing companies worldwide as of September 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?

Equans Belux tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most hvac engineering staffing companies?

The United States leads with 6,833 companies, followed by the United Kingdom (2,573) and India (1,010). Every hvac engineering staffing companies list by country and city is linked on this page.

Which city has the most hvac engineering staffing companies?

London leads with 459 company records, followed by Houston (177) and New York (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 73,893 professional contacts with verified work emails tracked across these 22,153 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 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 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.