Company lists · Data refreshed November 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 Nov 5, 2026 19,081 companies tracked

RevenueBase identified 19,081 company matches for hvac engineering staffing companies worldwide as of November 2026 and tracks 258,743 professional contacts across them, including 63,506 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 November 5, 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 Nov 5, 2026 How this list was built

19,081Companies

258,743Contacts tracked

63,506Verified emails

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The 25 largest hvac engineering staffing companies worldwide

Ranked by team size

Top 25 of 19,081 company matches for hvac engineering staffing companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 Nov 5, 2026	5,001-10,000	5,429 contacts →
	Exact match “What if you could use your talent to contribute to the great challenges of tomorrow?” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Tradesmen International	Exact match	Macedonia, OH, United StatesHQ recorded Nov 5, 2026	10001+	5,254 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 · Nov 5, 2026 · View company records in RevenueBase
3	Synergie Italia	Exact match	Turin, ItalyHQ recorded Nov 5, 2026	501-1,000	1,844 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 · Nov 5, 2026 · View company records in RevenueBase
4	Nesco Resource	Exact match	Mayfield Heights, OH, United StatesHQ recorded Nov 5, 2026	501-1,000	1,723 contacts →
	Exact match “Companies need talent.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	AAON	Exact match	Tulsa, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,350 contacts →
	Exact match “Driving the industry forward through the design, manufacturing, and rigorous testing of premium HVAC equipment.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Outsource	Exact match	El Segundo, CA, United StatesHQ recorded Nov 5, 2026	n/a	1,296 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 · Nov 5, 2026 · View company records in RevenueBase
7	TRS Staffing Solutions	Exact match	Greenville, United StatesHQ recorded Nov 5, 2026	201-500	1,274 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 · Nov 5, 2026 · View company records in RevenueBase
8	Construction Labor Contractors	Exact match	Round Rock, TX, United StatesHQ recorded Nov 5, 2026	501-1,000	1,273 contacts →
	Exact match “Let us make construction staffing work for you.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Mckenney's, INC	Exact match	Atlanta, NC, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,143 contacts →
	Exact match “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Randstad Belgium	Exact match	Strombeek-bever, BelgiumHQ recorded Nov 5, 2026	501-1,000	1,143 contacts →
	Exact match “Partner for Talent.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	QPS Employment Group	Exact match	Brookfield, WI, United StatesHQ recorded Nov 5, 2026	201-500	1,116 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 · Nov 5, 2026 · View company records in RevenueBase
12	In JOB	Exact match	Verona, ItalyHQ recorded Nov 5, 2026	1,001-5,000	1,072 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 · Nov 5, 2026 · View company records in RevenueBase
13	Cmta, INC	Exact match	Louisville, TN, United StatesHQ recorded Nov 5, 2026	501-1,000	1,049 contacts →
	Exact match “CMTA is part of Legence, a Nasdaq Listed company.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Career Strategies	Exact match	Round Rock, CA, United StatesHQ recorded Nov 5, 2026	n/a	1,019 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 · Nov 5, 2026 · View company records in RevenueBase
15	Ventec S.A	Exact match	Casablanca, MoroccoHQ recorded Nov 5, 2026	1,001-5,000	1,010 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 · Nov 5, 2026 · View company records in RevenueBase
16	Sraco Human Resources Company	Exact match	Dammam, Saudi ArabiaHQ recorded Nov 5, 2026	10001+	975 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 · Nov 5, 2026 · View company records in RevenueBase
17	JKS A S	Exact match	Ringkøbing, DenmarkHQ recorded Nov 5, 2026	1,001-5,000	908 contacts →
	Exact match “We are JKS.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Eastridge Workforce Solutions	Exact match	San Diego, CA, United StatesHQ recorded Nov 5, 2026	n/a	845 contacts →
	Exact match “Eastridge Workforce Solutions is a trusted staffing partner helping businesses build stronger, more productive teams across industrial and professional sectors.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	NES Global Talent	Exact match	United KingdomHQ recorded Nov 5, 2026	1,001-5,000	788 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 · Nov 5, 2026 · View company records in RevenueBase
20	HTS Engineering	Exact match	Toronto, TX, CanadaHQ recorded Nov 5, 2026	1,001-5,000	748 contacts →
	Exact match “Your success is our success.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Petra Engineering Industries CO	Exact match	Amman, JordanHQ recorded Nov 5, 2026	1,001-5,000	732 contacts →
	Exact match “Established in 1987, Petra Engineering Industries Co.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Volt Technical Resources	Exact match	Orange, CA, United StatesHQ recorded Nov 5, 2026	5,001-10,000	666 contacts →
	Exact match “A Six Sigma Company ~61 years in the industry ~Nationwide 4 million+ candidate database ~Fortune Company ~Extensive E-Recruiting capabilities ~Reference and Employment check…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Fircroft	Exact match	Warrington, United KingdomHQ recorded Nov 5, 2026	501-1,000	637 contacts →
	Exact match “Fircroft is now part of the NES Fircroft group - the world’s leading engineering staffing provider spanning the Oil & Gas, Power & Renewables, Infrastructure, Life Sciences…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	F.E. Moran Group Of Companies	Exact match	Northbrook, IL, United StatesHQ recorded Nov 5, 2026	1,001-5,000	606 contacts →
	Exact match “At F.E.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Cornerstone Staffing	Exact match	Southlake, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	587 contacts →
	Exact match “Since 1991, we’ve helped organizations make strategic hiring decisions that improve outcomes including reducing hiring risk, avoiding costly skills gaps and building strong teams.” Recorded in the RevenueBase company graph · Nov 5, 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 19,081 hvac engineering staffing companies worldwide

See the full list, filter by size, metro and specialty, and access 63,506 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 Nov 5, 2026

24.5%Verified-email coverage

13.6Average contacts per company

11-50Median size (employees)

1.9%Largest-city concentration · London

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

9,042

11-50

6,538

51-200

2,355

201-500

562

501-1,000

178

1,001-5,000

115

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 63,506 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 November 5, 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

98 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 19,081 company matches for hvac engineering staffing companies worldwide as of November 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 6,693 companies, followed by the United Kingdom (2,023) and Canada (917). 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 362 company records, followed by Houston (166) and New York (124).

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 63,506 professional contacts with verified work emails tracked across these 19,081 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 November 5, 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.