Company lists · Data refreshed November 2026

Top 25 Rooftop unit contractors worldwide

Name: Rooftop unit contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 18,684 companies tracked

RevenueBase identified 18,684 company matches for rooftop unit contractors worldwide as of November 2026 and tracks 160,919 professional contacts across them, including 41,699 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for rooftop unit contractors 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 6, 2026. Country and city lists for rooftop unit contractors 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 6, 2026 How this list was built

18,684Companies

160,919Contacts tracked

41,699Verified emails

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The 25 largest rooftop unit contractors worldwide

Ranked by team size

Top 25 of 18,684 company matches for rooftop unit contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 6, 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 6, 2026 · View company records in RevenueBase
2	American Residential Services	Exact match	Memphis, NC, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,013 contacts →
	Exact match “American Residential Services (ARS®/Rescue Rooter®) is one of the nation’s largest providers of heating, air conditioning, indoor air quality, plumbing, drain cleaning…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Service Experts	Exact match	Richardson, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,552 contacts →
	Exact match “Service Experts is North America's leading HVAC, Plumbing & Electrical company with 75+ locations nationwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Bravida Danmark A S	Exact match	Brøndby, DenmarkHQ recorded Nov 6, 2026	1,001-5,000	1,385 contacts →
	Exact match “Bravida Danmark er blandt landets største tekniske installations- og servicevirksomheder med over medarbejdere i byer landet over, og vi er en arbejdsplads, der har plads til alle.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Mckenney's, INC	Exact match	Atlanta, NC, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
6	Ventec S.A	Exact match	Casablanca, MoroccoHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
7	Bravida Norge AS	Exact match	Oslo, NorwayHQ recorded Nov 6, 2026	1,001-5,000	934 contacts →
	Exact match “Bravida gir bygninger liv.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	HTS Engineering	Exact match	Toronto, TX, CanadaHQ recorded Nov 6, 2026	1,001-5,000	748 contacts →
	Exact match “Your success is our success.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Coolsys	Exact match	Brea, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	741 contacts →
	Exact match “CoolSys solves the most complex challenges in refrigeration, air conditioning, heating, engineering, and energy management.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Temon Serviços	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	1,001-5,000	694 contacts →
	Exact match “A Temon Serviços é a empresa líder na engenharia de manutenção e operação de sistemas prediais de alta complexidade.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Texas Airsystems	Exact match	Irving, TX, United StatesHQ recorded Nov 6, 2026	201-500	583 contacts →
	Exact match “In business for over 45 years, Texas AirSystems has grown to be recognized as one of the premier partners for commercial HVAC solutions in Texas, boasting over 500 associates…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Climate Pros, LLC	Exact match	Glendale Heights, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	581 contacts →
	Exact match “At Climate Pros, LLC, we are a leading commercial refrigeration and HVAC company specializing in the design, construction, and servicing of refrigeration systems across thousands…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	ONE Hour Heating & AIR Conditioning	Exact match	Phoenix, AZ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	573 contacts →
	Exact match “When homeowners want a reliable heater or air conditioning system that they don’t have to think about, they call One Hour Heating & Air Conditioning.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Horizon Services, LLC	Exact match	Wilmington, MD, United StatesHQ recorded Nov 6, 2026	501-1,000	472 contacts →
	Exact match “Horizon Services is the premier heating, air conditioning, plumbing, drain cleaning and sewer services company in Delaware (New Castle County & Kent County), Pennsylvania…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Hoffman & Hoffman, INC	Exact match	Greensboro, TN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	469 contacts →
	Exact match “Since 1947, Hoffman & Hoffman, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Grosvenor Engineering Group	Exact match	Moorebank, AustraliaHQ recorded Nov 6, 2026	501-1,000	466 contacts →
	Exact match “Grosvenor Engineering Group is passionate about creating long-term sustainable value for building owners, managers and their occupants.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Source Refrigeration & Hvac	Exact match	Brea, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	434 contacts →
	Exact match “For up-to-date information, please see the CoolSys profile page.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	John W. Danforth Company	Exact match	Tonawanda, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	420 contacts →
	Exact match “We are powered by the best people in the industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Aire Serv Heating And AIR Conditioning	Exact match	Waco, TX, United StatesHQ recorded Nov 6, 2026	201-500	389 contacts →
	Exact match “For consumer services visit To discover more about franchise opportunities with Aire Serv® in your area visit Established in 1992, Aire Serv® is a global franchise organization…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Logista Hometech	Exact match	Arras, FranceHQ recorded Nov 6, 2026	1,001-5,000	373 contacts →
	Exact match “Spécialiste de la maintenance immobilière, nous entretenons et dépannons les équipements de chauffage, VMC, plomberie, sanitaire, climatisation… pour les bailleurs sociaux et les…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	AIR Systems, INC	Exact match	San Jose, CA, United StatesHQ recorded Nov 6, 2026	201-500	364 contacts →
	Exact match “Whether building quality work environments, valuable relationships or community ties, Air Systems never cuts corners.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Brady Services	Exact match	Greensboro, NC, United StatesHQ recorded Nov 6, 2026	501-1,000	358 contacts →
	Exact match “Since 1962, Brady has been committed to delivering innovative, sustainable building solutions that drive long-term success for our customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Remco INC	Exact match	Mechanicsburg, VA, United StatesHQ recorded Nov 6, 2026	501-1,000	353 contacts →
	Exact match “Remco, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Havtech	Exact match	Columbia, VA, United StatesHQ recorded Nov 6, 2026	201-500	351 contacts →
	Exact match “Havtech delivers innovative commercial and industrial HVAC solutions across Maryland, Washington, D.C, Virginia, Pennsylvania, and West Virginia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	United Mechanical	Exact match	San Jose, CA, United StatesHQ recorded Nov 6, 2026	201-500	350 contacts →
	Exact match “United Mechanical specializes in HVAC and Plumbing systems design, construction, retrofit, repair, and 24/7 emergency service for commercial and industrial properties throughout…” Recorded in the RevenueBase company graph · Nov 6, 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 “rooftop unit contractors”. 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 18,684 rooftop unit contractors worldwide

See the full list, filter by size, metro and specialty, and access 41,699 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Rooftop unit contractors worldwide at a glance

As of Nov 6, 2026

25.9%Verified-email coverage

8.6Average contacts per company

11-50Median size (employees)

0.8%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

8,838

11-50

7,150

51-200

1,789

201-500

314

501-1,000

1,001-5,000

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 rooftop unit contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “rooftop unit contractors” 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 41,699 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 6, 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.

Rooftop unit contractors by location

64 lists · largest first

Every Rooftop unit contractors 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 “rooftop unit contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many rooftop unit contractors are there worldwide?

RevenueBase identified 18,684 company matches for rooftop unit contractors 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 rooftop unit contractors?

The United States leads with 8,904 companies, followed by Canada (956) and France (927). Every rooftop unit contractors list by country and city is linked on this page.

Which city has the most rooftop unit contractors?

Sao Paulo leads with 141 company records, followed by Houston (118) and New York (91).

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 41,699 professional contacts with verified work emails tracked across these 18,684 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 6, 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.