Company lists · Data refreshed November 2026

Top 25 Ventilation contractors worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 31,696 companies tracked

RevenueBase identified 31,696 company matches for ventilation contractors worldwide as of November 2026 and tracks 311,646 professional contacts across them, including 87,007 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for ventilation 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 ventilation 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

31,696Companies

311,646Contacts tracked

87,007Verified emails

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The 25 largest ventilation contractors worldwide

Ranked by team size

Top 25 of 31,696 company matches for ventilation 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	Johnstone Supply	Exact match	Portland, OR, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,816 contacts →
	Exact match “Making it easier for HVACR contractors to do business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Acco Engineered Systems	Exact match	Pasadena, CA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,633 contacts →
	Exact match “Since 1934, owners and builders have selected ACCO Engineered Systems to design, install, and maintain more than mechanical projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Ebm-Papst	Exact match	Ebm-papst Group, GermanyHQ recorded Nov 6, 2026	10001+	1,880 contacts →
	Exact match “Welcome to ebm-papst, your global partner in ventilation and heating technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Comfort Systems USA	Exact match	Houston, IN, United StatesHQ recorded Nov 6, 2026	10001+	1,407 contacts →
	Exact match “Comfort Systems USA \| Quality People.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	AAON	Exact match	Tulsa, TX, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
6	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
7	Greenheck	Exact match	Schofield, WI, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,012 contacts →
	Exact match “Greenheck is the global leader in engineering and manufacturing air movement, conditioning, and control equipment for nonresidential buildings.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	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
9	Captiveaire Systems	Exact match	Raleigh, NC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	941 contacts →
	Exact match “CaptiveAire® is the nation's leading manufacturer of commercial kitchen ventilation systems, and now provides a complete solution of fans, heaters, ductwork, and HVAC equipment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	AHERN	Exact match	Fond Du Lac, WI, United StatesHQ recorded Nov 6, 2026	1,001-5,000	915 contacts →
	Exact match “Ahern is a mechanical and fire protection contractor specializing in HVAC, Plumbing, Building Controls, Sprinkler, Extinguisher & Alarm and Fabrication for construction and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Greenheck Group	Exact match	Schofield, WI, United StatesHQ recorded Nov 6, 2026	5,001-10,000	891 contacts →
	Exact match “Greenheck Group is made up of team members who serve as leaders in air movement, control, and conditioning equipment, providing solutions across a range of applications and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Broan-Nutone	Exact match	Hartford, WI, United StatesHQ recorded Nov 6, 2026	1,001-5,000	823 contacts →
	Exact match “As the foremost provider of fresh air solutions in North America, Broan-NuTone® firmly believes that better quality of air means a better quality of life.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	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
14	Apollo Mechanical Contractors	Exact match	Kennewick, WA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	730 contacts →
	Exact match “Apollo is based in Kennewick, Washington, performing Full Mechanical projects across the United States and around the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Concepcion-Carrier AIR Conditioning Company Ccac	Exact match	Alabang, PhilippinesHQ recorded Nov 6, 2026	501-1,000	727 contacts →
	Exact match “Formed in January 1998, Concepcion-Carrier Air Conditioning Company (CCAC) brings together two leaders in the air conditioning industry: Carrier Corporation of the United States…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Systemair Group	Exact match	Skinnskatteberg, SwedenHQ recorded Nov 6, 2026	5,001-10,000	623 contacts →
	Exact match “Systemair (SYSR) is a leading ventilation Group that helps improve the indoor climate through energy-efficient products and solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	F.E. Moran Group Of Companies	Exact match	Northbrook, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	606 contacts →
	Exact match “At F.E.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	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
19	Aldes Groupe	Exact match	Vénissieux, FranceHQ recorded Nov 6, 2026	1,001-5,000	578 contacts →
	Exact match “Aldes Group is an international multi-brand, family owned company, founded in 1925 in France, and a global player in air quality and thermal comfort solutions for residential and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Deem, LLC	Exact match	Indianapolis, IN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	553 contacts →
	Exact match “DEEM, LLC is a mechanical and electrical company centrally located in Fishers, Indiana with satellite offices throughout the Midwest down to the southeastern United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Swegon Group	Exact match	Gothenburg, SwedenHQ recorded Nov 6, 2026	1,001-5,000	542 contacts →
	Exact match “Swegon Group AB, owned by Investment AB Latour, listed on the Stockholm Stock Exchange, is a market leading supplier in the field of indoor environment, offering solutions for…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	France AIR	Exact match	Beynost, FranceHQ recorded Nov 6, 2026	501-1,000	520 contacts →
	Exact match “France Air est concepteur et distributeur de système de traitement d'air pour les bâtiments tertiaires, industriels, l'habitat, les cuisines professionnelles, les hopitaux ou les…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Therma	Exact match	San Jose, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	517 contacts →
	Exact match “Therma is part of Legence, a Blackstone portfolio company, specially created to be an Energy Transition Accelerator™.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Mingledorff's	Exact match	Norcross, AL, United StatesHQ recorded Nov 6, 2026	501-1,000	507 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Wolf Gmbh	Exact match	Mainburg, GermanyHQ recorded Nov 6, 2026	1,001-5,000	506 contacts →
	Exact match “As a leading supplier of heating and air handling systems, we are perfectly in tune with you.” 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 “ventilation 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 31,696 ventilation contractors worldwide

See the full list, filter by size, metro and specialty, and access 87,007 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ventilation contractors worldwide at a glance

As of Nov 6, 2026

27.9%Verified-email coverage

9.8Average 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

13,491

11-50

12,040

51-200

4,152

201-500

874

501-1,000

203

1,001-5,000

136

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 ventilation contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “ventilation 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 87,007 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.

Ventilation contractors by location

127 lists · largest first

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

How many ventilation contractors are there worldwide?

RevenueBase identified 31,696 company matches for ventilation 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?

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

Which country has the most ventilation contractors?

The United States leads with 10,200 companies, followed by the United Kingdom (1,773) and Canada (1,554). Every ventilation contractors list by country and city is linked on this page.

Which city has the most ventilation contractors?

Sao Paulo leads with 244 company records, followed by Dubai (179) and London (174).

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 87,007 professional contacts with verified work emails tracked across these 31,696 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.