Company lists · Data refreshed September 2026

Top 25 Exhaust gas treatment systems based in the United States

RevenueBase identified 131 company matches for exhaust gas treatment systems associated with the United States as of September 2026 and tracks 3,283 professional contacts across them, including 996 with verified work emails. Tulsa is the largest hub.

This list covers company matches for exhaust gas treatment systems 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 20, 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 20, 2026 How this list was built
131Companies
3,283Contacts tracked
996Verified emails
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The 25 largest exhaust gas treatment systems based in the United States

Ranked by team size
Top 25 of 131 company matches for exhaust gas treatment systems based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchTulsa, OK, United StatesHQ recorded Sep 20, 2026501-1,000252 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 20, 2026 · View company records in RevenueBase
2Exact matchLincolnton, NC, United StatesHQ recorded Sep 20, 2026201-500199 contacts →

Exact match

“Cataler North America, a Toyota Motor Corporation affiliate, is a leading manufacturer of automotive catalysts that enhance the quality of the environment by filtering exhaust…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchMilwaukee, WI, United StatesHQ recorded Sep 20, 202651-200140 contacts →

Exact match

“Anguil Environmental provides highly-engineered, environmental equipment and service solutions that help clients solve complex industrial air and water challenges across the globe.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchDe Pere, WI, United StatesHQ recorded Sep 20, 2026501-1,000140 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 20, 2026 · View company records in RevenueBase
5Exact matchWarrenville, IL, United StatesHQ recorded Sep 20, 202651-200113 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 20, 2026 · View company records in RevenueBase
6Exact matchPittsburgh, PA, United StatesHQ recorded Sep 20, 202611-5075 contacts →

Exact match

“PCC’s mission is to apply our know-how with confidence to design, supply and service high-tech, energy-efficient, dependable combustion and pollution control systems that provide…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchBloomer, WI, United StatesHQ recorded Sep 20, 202651-20068 contacts →

Exact match

“Founded in 1950, Catalytic Combustion Corporation introduced industry-leading technology with the development of the first ever United States patented catalyst (U.S.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchPen Argyl, PA, United StatesHQ recorded Sep 20, 202611-5057 contacts →

Exact match

“Founded in NESTEC, Inc.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchNorcross, GA, United StatesHQ recorded Sep 20, 202611-5056 contacts →

Exact match

“Founded in 2004, PureAir is the world leader in the field of gas phase filtration (chemical filtration).”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchDublin, GA, United StatesHQ recorded Sep 20, 202651-20055 contacts →

Exact match

“Dinex is a trusted global partner in advanced exhaust and emission technologies, bringing over 40 years of OEM experience directly to the North American heavy-duty aftermarket.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchKaukauna, WI, United StatesHQ recorded Sep 20, 202651-20054 contacts →

Exact match

“TANN Corporation designs and manufactures high-performance air pollution control systems built to meet the most demanding industrial applications.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Sep 20, 202651-20050 contacts →

Exact match

“Conifer Systems designs, manufactures and installs state-of-the-art emissions control systems and provides aftermarket services to enable industries to meet and exceed their…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchMontgomeryville, PA, United StatesHQ recorded Sep 20, 202651-20048 contacts →

Exact match

“ESW Group® was founded in 1998 as an R&D company with the goal to develop ceramic based catalytic converters for the automotive industry.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchAlpharetta, GA, United StatesHQ recorded Sep 20, 202651-20045 contacts →

Exact match

“Welcome to ENERVEX.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchButner, NC, United StatesHQ recorded Sep 20, 202651-20044 contacts →

Exact match

“Manufacturer of environmental treatment equipment with focus on the environmental remediation and landfill gas extraction marketplaces.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchNorthfield, MN, United StatesHQ recorded Sep 20, 202611-5043 contacts →

Exact match

“Advanced Exhaust Solutions is a premier supplier of exhaust gas silencers, piping and after-treatment components.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchAmerican Canyon, CA, United StatesHQ recorded Sep 20, 202611-5043 contacts →

Exact match

“EnviroCare International, Inc- A CECO Environmental Brand.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchConroe, TX, United StatesHQ recorded Sep 20, 202651-20042 contacts →

Exact match

“Epcon Industrial Systems specializes in designing and manufacturing of pre-engineered and pre-tested Regenerative Thermal Oxidizers, Recuperative Thermal Oxidizers, Afterburners…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchAustin, TX, United StatesHQ recorded Sep 20, 202651-20037 contacts →

Exact match

“From a simple beginning to a multi-national leader supplying critical combustion, vapor recovery and emissions control technology to protect the environment, the Encore Combustion…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchSignal Hill, CA, United StatesHQ recorded Sep 20, 202611-5037 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchFranklin, MA, United StatesHQ recorded Sep 20, 202611-5035 contacts →

Exact match

“Rypos is driven to address climate change through clean air technology.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchAvilla, IN, United StatesHQ recorded Sep 20, 202611-5034 contacts →

Exact match

“ETA Engineering is an industry leader in air pollution control systems for heavy industry including foundries, aluminum facilities, steel mills, cement,and other facilities…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchLebanon, PA, United StatesHQ recorded Sep 20, 202651-20032 contacts →

Exact match

“Announcement: MET will be adopting a telecommuting posture until further notice to maintain Covid-19 safety precautions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchHagerstown, MD, United StatesHQ recorded Sep 20, 202651-20030 contacts →

Exact match

“Through its Air Pollution Control activity, Fives aims at reducing environmental impact of the industrial and combustion processes.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchOwosso, MI, United StatesHQ recorded Sep 20, 202651-20029 contacts →

Exact match

“Tri-Mer Corporation, established in 1960, specializes in comprehensive air pollution control solutions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 131 exhaust gas treatment systems based in the United States

See the full list, filter by size, metro and specialty, and access 996 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Exhaust gas treatment systems based in the United States at a glance

As of Sep 20, 2026
30.3%Verified-email coverage
25.1Average contacts per company
11-50Median size (employees)
3.8%Largest-city concentration · Tulsa
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
47
11-50
49
51-200
27
201-500
5
501-1,000
2
1,001-5,000
1

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 131 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 “exhaust gas treatment systems” 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 996 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 20, 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 “exhaust gas treatment systems”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many exhaust gas treatment systems are there based in the United States?

RevenueBase identified 131 company matches for exhaust gas treatment systems 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?

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

Which city has the most exhaust gas treatment systems?

Tulsa leads with 5 company records, followed by Houston (4) and Pittsburgh (4).

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 996 professional contacts with verified work emails tracked across these 131 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 20, 2026.

Ready to reach these companies? Verified emails and direct dials for all 131 exhaust gas treatment systems based in the United States. Start with a free account, no credit card.

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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.