Company lists · Data refreshed October 2026

Top 25 Environmental system suppliers based in the United States

Name: Environmental system suppliers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 25, 2026 136 companies tracked

RevenueBase identified 136 company matches for environmental system suppliers associated with the United States as of October 2026 and tracks 6,185 professional contacts across them, including 2,047 with verified work emails. Houston is the largest hub.

This list covers company matches for environmental system suppliers associated with the United States, 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 October 25, 2026.

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 Oct 25, 2026 How this list was built

136Companies

6,185Contacts tracked

2,047Verified emails

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The 25 largest environmental system suppliers based in the United States

Ranked by team size

Top 25 of 136 company matches for environmental system suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 25, 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	Cmta, INC	Exact match	Louisville, KY, United StatesHQ recorded Oct 25, 2026	501-1,000	1,016 contacts →
	Exact match “CMTA is part of Legence, a Nasdaq Listed company.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
2	UCC Environmental	Exact match	Waukegan, IL, United StatesHQ recorded Oct 25, 2026	201-500	401 contacts →
	Exact match “UCC Environmental (UCC) is a global leader in environmental solutions for solids handling, wastewater treatment and pollution control technologies in power generation and other…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
3	AIR Systems, INC	Exact match	San Jose, CA, United StatesHQ recorded Oct 25, 2026	201-500	359 contacts →
	Exact match “Whether building quality work environments, valuable relationships or community ties, Air Systems never cuts corners.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
4	Processbarron	Exact match	Pelham, AL, United StatesHQ recorded Oct 25, 2026	201-500	226 contacts →
	Exact match “With 40+ years of proven leadership in the design, manufacturing, installation, and service of heavy process equipment, ProcessBarron is the industry's total systems solutions…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
5	Haynes Mechanical Systems	Exact match	Greenwood Village, CO, United StatesHQ recorded Oct 25, 2026	201-500	203 contacts →
	Exact match “Haynes Mechanical Systems has been keeping commercial buildings running strong since 1968.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
6	Plateau GRP	Exact match	Fairfax, VA, United StatesHQ recorded Oct 25, 2026	51-200	181 contacts →
	Exact match “Plateau Grp provides innovative and agile IT solutions to customer challenges.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
7	Hill York	Exact match	Dania Beach, FL, United StatesHQ recorded Oct 25, 2026	201-500	168 contacts →
	Exact match “Hill York is a full service contractor that offers a full array of energy efficient air-conditioning services from concept to completion, maintenance to repair and everything in…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
8	Legence	Exact match	San Jose, CA, United StatesHQ recorded Oct 25, 2026	10001+	152 contacts →
	Exact match “We are a leading provider of engineering, consulting, installation and maintenance services for mission-critical systems in buildings.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
9	Tomorrow Water	Exact match	Anaheim, CA, United StatesHQ recorded Oct 25, 2026	51-200	131 contacts →
	Exact match “Tomorrow Water is an innovative environmental solutions company specializing in both wastewater and organic waste treatment.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
10	Brooks Building Solutions	Exact match	Jacksonville, FL, United StatesHQ recorded Oct 25, 2026	51-200	120 contacts →
	Exact match “Brooks Building Solutions has been in business since 1984 and currently has over 110 associates.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
11	Stoller Newport News Nuclear Sn3 , A Subsidiary Of Huntington Ingalls Industries	Exact match	Broomfield, CO, United StatesHQ recorded Oct 25, 2026	501-1,000	109 contacts →
	Exact match “Stoller Newport News Nuclear (SN3), part of HII Technical Solutions Nuclear & Environmental group, is a leading provider of technical, environmental, ecological, waste management…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
12	S.M. Lawrence	Exact match	Nashville, TN, United StatesHQ recorded Oct 25, 2026	201-500	77 contacts →
	Exact match “S.M.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
13	Logical Solutions, INC	Exact match	Richardson, TX, United StatesHQ recorded Oct 25, 2026	51-200	75 contacts →
	Exact match “Logical Solutions, Inc.(LSi) was founded in 1995 to provide engineering, installations, and services for the commercial and environmental controls marketplace in North Texas.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
14	Thermal Resource Solutions, A Coolsys Company	Exact match	Kernersville, NC, United StatesHQ recorded Oct 25, 2026	51-200	69 contacts →
	Exact match “Thermal Resource Solutions specializes in complex, custom, and energy-efficient mechanical and plumbing systems.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
15	DWD International, LLC	Exact match	Houston, TX, United StatesHQ recorded Oct 25, 2026	51-200	67 contacts →
	Exact match “Founded in 1974, DWD International designs, manufactures, installs, and maintains industrial HVAC, pressurization, filtration and control systems that can withstand the most…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
16	RGF Environmental Group, INC	Exact match	Riviera Beach, FL, United StatesHQ recorded Oct 25, 2026	501-1,000	60 contacts →
	Exact match “RGF is a leading manufacturer of over 500 environmental products.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
17	Mec2 Mechanical Engineering & Construction Corp	Exact match	Catonsville, MD, United StatesHQ recorded Oct 25, 2026	51-200	58 contacts →
	Exact match “MEC², a CoolSys Company, is an established and well-respected engineering and construction firm serving the Baltimore-Washington area.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
18	Verantis Corporation	Exact match	Middleburg Heights, OH, United StatesHQ recorded Oct 25, 2026	51-200	54 contacts →
	Exact match “Headquartered in the United States, Verantis Corporation is a global leader in engineering services and environmental systems that focus on process improvement in a wide range of…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
19	MM Comfort Systems	Exact match	Redmond, WA, United StatesHQ recorded Oct 25, 2026	51-200	54 contacts →
	Exact match “Specialists in design, installation and service of heating, air conditioning, electrical and plumbing.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
20	AIR Equipment Company	Exact match	Louisville-jefferson County, KY, United StatesHQ recorded Oct 25, 2026	11-50	52 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
21	ENCON	Exact match	Ocean Township, NJ, United StatesHQ recorded Oct 25, 2026	201-500	50 contacts →
	Exact match “The company that started more than 50 years ago with a single humidifier installation, now features multiple divisions: Design/Engineering, Build, Connect, Maintain, Electrical…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
22	Hughes Environmental Engineering	Exact match	Mahwah, NJ, United StatesHQ recorded Oct 25, 2026	51-200	45 contacts →
	Exact match “Hughes Environmental Engineering is one of the oldest and largest mechanical service providers in the metropolitan New York area.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
23	ALL Systems Electrical, INC	Exact match	Rocklin, CA, United StatesHQ recorded Oct 25, 2026	51-200	32 contacts →
	Exact match “All Systems is an industrial systems specialist providing a full turnkey installation package that includes mechanical, electrical, design and programming along with ongoing…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
24	Statewide Conditioning INC	Exact match	South Amboy, NJ, United StatesHQ recorded Oct 25, 2026	51-200	29 contacts →
	Exact match “From small offices to one million-square-foot warehouses, Statewide Conditioning Inc.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
25	Alerio Technology Group	Exact match	Denver, CO, United StatesHQ recorded Oct 25, 2026	51-200	25 contacts →
	Exact match “Headquartered in Denver, Colorado, Alerio Technology Group provides technical infrastructure related services to commercial and industrial customers.” Recorded in the RevenueBase company graph · Oct 25, 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 “environmental system suppliers”. 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 136 environmental system suppliers based in the United States

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Environmental system suppliers based in the United States at a glance

As of Oct 25, 2026

33.1%Verified-email coverage

45.5Average contacts per company

11-50Median size (employees)

3.7%Largest-city concentration · Houston

Oct 25, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 136 companies.

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.
What qualifies: Company records associated with the United States whose business descriptions match “environmental system suppliers” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 2,047 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 October 25, 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.

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 “environmental system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental system suppliers are there based in the United States?

RevenueBase identified 136 company matches for environmental system suppliers associated with the United States as of October 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?

Cmta, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most environmental system suppliers?

Houston leads with 5 company records, followed by Austin (3) and Grand Rapids (3).

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 2,047 professional contacts with verified work emails tracked across these 136 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 October 25, 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.