Company lists · Data refreshed September 2026

Top 25 Industrial emissions monitoring companies based in the United States

Name: Industrial emissions monitoring companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 1,022 companies tracked

RevenueBase identified 1,022 company matches for industrial emissions monitoring companies associated with the United States as of September 2026 and tracks 23,368 professional contacts across them, including 8,063 with verified work emails. Houston is the largest hub.

This list covers company matches for industrial emissions monitoring companies 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 September 17, 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 Sep 17, 2026 How this list was built

1,022Companies

23,368Contacts tracked

8,063Verified emails

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The 25 largest industrial emissions monitoring companies based in the United States

Ranked by team size

Top 25 of 1,022 company matches for industrial emissions monitoring companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Alliance Technical Group	Exact match	Decatur, AL, United StatesHQ recorded Sep 17, 2026	1,001-5,000	956 contacts →
	Exact match “Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	ROUX	Exact match	Islandia, NY, United StatesHQ recorded Sep 17, 2026	201-500	433 contacts →
	Exact match “Founded 40 years ago, Roux is recognized for being a highly effective, client-focused environmental consulting and management firm.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Mesa Laboratories, INC	Exact match	Lakewood, CO, United StatesHQ recorded Sep 17, 2026	501-1,000	323 contacts →
	Exact match “Mesa Labs helps you monitor and maintain higher standards in any environment – from the air we breathe to the critical moments of life-saving care.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Cimarron	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	501-1,000	306 contacts →
	Exact match “With decades of operating history and innovation across our trusted brands, Cimarron provides technology-driven emissions management solutions for the global energy system.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Picarro	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 17, 2026	201-500	297 contacts →
	Exact match “Reducing emissions, detecting leaks, mitigating risk, optimizing operations, ensuring compliance and advancing research are some of the challenges facing our clients.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Miratech	Exact match	Tulsa, OK, United StatesHQ recorded Sep 17, 2026	501-1,000	252 contacts →
	Exact match “MIRATECH is the global leader in emissions and acoustic control solutions for stationary natural gas and diesel engines, serving the power generation, oil and gas, data center…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Environmental Works, INC	Exact match	Springfield, MO, United StatesHQ recorded Sep 17, 2026	201-500	238 contacts →
	Exact match “Environmental Works, Inc.(EWI) offers truly comprehensive environmental solutions for a variety of industries, businesses, and municipalities.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Metiri Group	Exact match	Clovis, CA, United StatesHQ recorded Sep 17, 2026	n/a	233 contacts →
	Exact match “Appl Inc is an environmental services company based out of 908 N Temperance Ave, Clovis, CA, United States.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	OTT Hydromet	Exact match	Sterling, VA, United StatesHQ recorded Sep 17, 2026	201-500	231 contacts →
	Exact match “OTT HydroMet works to deliver customer outcomes by providing decision makers with vital insights they trust.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Patriot Environmental Services	Exact match	Signal Hill, CA, United StatesHQ recorded Sep 17, 2026	201-500	223 contacts →
	Exact match “Patriot Environmental Services, a Crystal Clean company, is a leading environmental service provider with clients throughout the Southwestern United States.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Rees Scientific	Exact match	Trenton, NJ, United StatesHQ recorded Sep 17, 2026	51-200	210 contacts →
	Exact match “Rees Scientific provides continuous automated monitoring to a limitless number of applications in a wide range of industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	IAC	Exact match	Overland Park, KS, United StatesHQ recorded Sep 17, 2026	51-200	166 contacts →
	Exact match “IAC is a fully integrated industrial EPC (Engineering, Procurement, Construction) Contractor and OEM of industrial Baghouses, Dust Collection, Ventilation, Air Quality Control…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	TASC	Exact match	Seabrook, TX, United StatesHQ recorded Sep 17, 2026	201-500	161 contacts →
	Exact match “Automation and Technology Group: Specializing in Analyzer System Integration.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Cleanair Engineering	Exact match	Palatine, IL, United StatesHQ recorded Sep 17, 2026	51-200	152 contacts →
	Exact match “Since its founding in 1972, CleanAir has an established reputation for excellence on projects of all sizes, ranging from boiler, APC equipment and cooling tower efficiency testing…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Babcock & Wilcox Megtec B&w Megtec	Exact match	De Pere, WI, United StatesHQ recorded Sep 17, 2026	501-1,000	140 contacts →
	Exact match “Dürr Megtec is a leading global supplier of environmental control technologies and engineered products tailored to meet customers' industrial process requirements.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Mostardi Platt	Exact match	Elmhurst, IL, United StatesHQ recorded Sep 17, 2026	51-200	140 contacts →
	Exact match “Since the passage of original environmental legislation nearly four decades ago, both private and public industry have turned to Mostardi Platt for guidance in complying with air…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Ensolum, LLC	Exact match	Dallas, TX, United StatesHQ recorded Sep 17, 2026	51-200	136 contacts →
	Exact match “OUR MISSION is to combine sustainable environmental solutions with forward-thinking, cost-effective, innovative, and value-added technologies that balance our clients’ economic…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Li-Cor	Exact match	Lincoln, NE, United StatesHQ recorded Sep 17, 2026	201-500	136 contacts →
	Exact match “LI-COR is a leader in environmental measurement and monitoring solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Airtek Construction	Exact match	Troy, United StatesHQ recorded Sep 17, 2026	51-200	122 contacts →
	Exact match “AirTek is a leading supplier of air pollution control (APC) equipment and services for a wide range of customers in the power generation, pulp and paper, petrochemical, rock…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	ESC Spectrum Corporation	Exact match	Austin, TX, United StatesHQ recorded Sep 17, 2026	51-200	114 contacts →
	Exact match “Based in Austin, Texas, ESC Spectrum, an Alliance Technical Group company, is a leading provider of products and services for customers in a variety of industries, from Electric…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Fuel Tech, INC	Exact match	Warrenville, IL, United StatesHQ recorded Sep 17, 2026	51-200	113 contacts →
	Exact match “Fuel Tech provides multi-pollutant emissions control and water treatment technologies using a cost-effective and sustainable approach.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	RKI Instruments, INC	Exact match	Union City, CA, United StatesHQ recorded Sep 17, 2026	51-200	104 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Hart & Hickman, PC	Exact match	Charlotte, NC, United StatesHQ recorded Sep 17, 2026	51-200	103 contacts →
	Exact match “Hart & Hickman PC provides environmental consulting services to commercial, industrial, and governmental clients throughout the Southeast US.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	CK Associates Environmental Consultants	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 17, 2026	51-200	101 contacts →
	Exact match “CK Associates is an environmental consulting firm that is fully owned by its employees.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Chambers Group, INC	Exact match	Costa Mesa, CA, United StatesHQ recorded Sep 17, 2026	51-200	98 contacts →
	Exact match “Public agencies and businesses have been relying on Chambers Group to keep them in compliance with applicable federal, state, and/or local environmental laws, regulations, and…” Recorded in the RevenueBase company graph · Sep 17, 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 “industrial emissions monitoring 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 1,022 industrial emissions monitoring companies based in the United States

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Industrial emissions monitoring companies based in the United States at a glance

As of Sep 17, 2026

34.5%Verified-email coverage

22.9Average contacts per company

11-50Median size (employees)

3.5%Largest-city concentration · Houston

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

469

11-50

401

51-200

120

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 1,022 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 “industrial emissions monitoring 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. 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 8,063 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 17, 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 “industrial emissions monitoring companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial emissions monitoring companies are there based in the United States?

RevenueBase identified 1,022 company matches for industrial emissions monitoring companies associated with the United States 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?

Alliance Technical Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most industrial emissions monitoring companies?

Houston leads with 36 company records, followed by Dallas (17) and Austin (14).

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 8,063 professional contacts with verified work emails tracked across these 1,022 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 17, 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.