Company lists · Data refreshed October 2026
Top 25 Emission control system manufacturers based in the United States
RevenueBase identified 71 company matches for emission control system manufacturers associated with the United States as of October 2026 and tracks 4,377 professional contacts across them, including 981 with verified work emails. Rochester is the largest hub.
This list covers company matches for emission control system manufacturers 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 12, 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.
The 25 largest emission control system manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 709 contacts → | ||||
Exact match “Stanadyne is a global automotive technology leader in engine-based fuel and air management systems.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 2 | 602 contacts → | ||||
Exact match “Stant’s tradition of innovation and quality began in 1898, when George Stant founded the company in Connersville, Indiana, USA.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 3 | 448 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 4 | 278 contacts → | ||||
Exact match “Who we are Since 1994, EControls has delivered innovation and customer satisfaction to the engine and vehicle industries through: • State-of-the-art engine application…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 5 | 209 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 · Oct 12, 2026 · View company records in RevenueBase | |||||
| 6 | 129 contacts → | ||||
Exact match “AP Emissions Technologies manufactures a complete line of automotive, light truck, and heavy-duty exhaust, and emissions products.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 7 | 74 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 · Oct 12, 2026 · View company records in RevenueBase | |||||
| 8 | 59 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 · Oct 12, 2026 · View company records in RevenueBase | |||||
| 9 | 50 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 · Oct 12, 2026 · View company records in RevenueBase | |||||
| 10 | 48 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 · Oct 12, 2026 · View company records in RevenueBase | |||||
| 11 | 48 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 · Oct 12, 2026 · View company records in RevenueBase | |||||
| 12 | 47 contacts → | ||||
Exact match “Welcome to ENERVEX.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 13 | 44 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 · Oct 12, 2026 · View company records in RevenueBase | |||||
| 14 | 40 contacts → | ||||
Exact match “Rypos is driven to address climate change through clean air technology.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 15 | 40 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 · Oct 12, 2026 · View company records in RevenueBase | |||||
| 16 | 26 contacts → | ||||
Exact match “Belco Technologies Corporation (BTC) is an Elessent Clean Technologies company specializing in emission control solutions for major oil refining processes.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 17 | 26 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 18 | 25 contacts → | ||||
Exact match “Tri-Mer Corporation, established in 1960, specializes in comprehensive air pollution control solutions.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 19 | 25 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 20 | 24 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 21 | 21 contacts → | ||||
Exact match “Eastern Catalytic manufactures catalytic converters, manifold converters, and converter components for the aftermarket and for original equipment manufacturers.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 22 | 20 contacts → | ||||
Exact match “Nearly 50 years’ combined experience in Exhaust Systems manufacturing, power generation, emissions, and the oil and gas industries.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 23 | 20 contacts → | ||||
Exact match “ClearSign Technologies (NASDAQ: CLIR) designs and develops technologies that aim to solve the greatest challenge facing the energy industry today: capital intensive emissions…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 24 | 19 contacts → | ||||
Exact match “Health & Safety in the Fire & EMS Industry and Emission solutions for all other Industries.See our websites for additional & Ward Diesel & Ward Clean Air Products History: Ward…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 25 | 15 contacts → | ||||
Exact match “Air Clear is an air pollution control equipment company based in Northern Maryland.” Recorded in the RevenueBase company graph · Oct 12, 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 “emission control system manufacturers”. 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 71 emission control system manufacturers based in the United States
See the full list, filter by size, metro and specialty, and access 981 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Emission control system manufacturers based in the United States at a glance
As of Oct 12, 2026Companies by employee count
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 71 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 “emission control system manufacturers” 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 981 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 12, 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 “emission control system manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many emission control system manufacturers are there based in the United States?
RevenueBase identified 71 company matches for emission control system manufacturers 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?
Stanadyne tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most emission control system manufacturers?
Rochester leads with 3 company records, followed by Tulsa (3) and Austin (2).
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 981 professional contacts with verified work emails tracked across these 71 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 12, 2026.
Ready to reach these companies? Verified emails and direct dials for all 71 emission control system manufacturers based in the United States. Start with a free account, no credit card.
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Emission control system manufacturers by geography
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Emission control system manufacturers based in Germany
- Emission control system manufacturers based in India
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
Company intelligence · public preview
Top 25 emission control system manufacturers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 71 matching company records for emission control system manufacturers based in the United States, with 4,377 tracked contacts and 981 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 12, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 emission control system manufacturers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Stanadynestanadyne.comHQ: Jacksonville, NC, United StatesReported employees: 1,001-5,000 | Jacksonville, NC, United States | 1,001-5,000 | Exact match | 709 contacts → |
“Stanadyne is a global automotive technology leader in engine-based fuel and air management systems.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | STANTstant.com HQ: Connersville, IN, United StatesReported employees: 501-1,000 | Connersville, IN, United States | 501-1,000 | Exact match | 602 contacts → |
“Stant’s tradition of innovation and quality began in 1898, when George Stant founded the company in Connersville, Indiana, USA.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Arvin Sango INCarvinsango.comHQ: Madison, IN, United StatesReported employees: 501-1,000 | Madison, IN, United States | 501-1,000 | Exact match | 448 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 |  Econtrolsecontrols.comHQ: San Antonio, TX, United StatesReported employees: 201-500 | San Antonio, TX, United States | 201-500 | Exact match | 278 contacts → |
“Who we are Since 1994, EControls has delivered innovation and customer satisfaction to the engine and vehicle industries through: • State-of-the-art engine application…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cataler North Americacataler.com HQ: Lincolnton, NC, United StatesReported employees: 201-500 | Lincolnton, NC, United States | 201-500 | Exact match | 209 contacts → |
“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 description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | AP Emissions Technologies, LLCapemissions.com HQ: Goldsboro, NC, United StatesReported employees: 501-1,000 | Goldsboro, NC, United States | 501-1,000 | Exact match | 129 contacts → |
“AP Emissions Technologies manufactures a complete line of automotive, light truck, and heavy-duty exhaust, and emissions products.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Catalytic Combustion Corporationcatalyticcombustion.comHQ: Bloomer, WI, United StatesReported employees: 51-200 | Bloomer, WI, United States | 51-200 | Exact match | 74 contacts → |
“Founded in 1950, Catalytic Combustion Corporation introduced industry-leading technology with the development of the first ever United States patented catalyst (U.S.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Tann Corporationtanncorporation.com HQ: Kaukauna, WI, United StatesReported employees: 51-200 | Kaukauna, WI, United States | 51-200 | Exact match | 59 contacts → |
“TANN Corporation designs and manufactures high-performance air pollution control systems built to meet the most demanding industrial applications.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Dinex Emission INCdinex.us HQ: Dublin, GA, United StatesReported employees: 51-200 | Dublin, GA, United States | 51-200 | Exact match | 50 contacts → |
“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 description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Conifer Systemsconifersystems.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 48 contacts → |
“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 description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | ESW Groupeswgroup.com HQ: Montgomeryville, PA, United StatesReported employees: 51-200 | Montgomeryville, PA, United States | 51-200 | Exact match | 48 contacts → |
“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 description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Enervex INCenervex.com HQ: Alpharetta, GA, United StatesReported employees: 51-200 | Alpharetta, GA, United States | 51-200 | Exact match | 47 contacts → |
“Welcome to ENERVEX.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Epcon Industrial Systems, LPepconlp.com HQ: Conroe, TX, United StatesReported employees: 51-200 | Conroe, TX, United States | 51-200 | Exact match | 44 contacts → |
“Epcon Industrial Systems specializes in designing and manufacturing of pre-engineered and pre-tested Regenerative Thermal Oxidizers, Recuperative Thermal Oxidizers, Afterburners…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Rypos, INCrypos.com HQ: Franklin, MA, United StatesReported employees: 11-50 | Franklin, MA, United States | 11-50 | Exact match | 40 contacts → |
“Rypos is driven to address climate change through clean air technology.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Advanced Exhaust Solutionsadvancedexhaustsolutions.comHQ: Northfield, MN, United StatesReported employees: 11-50 | Northfield, MN, United States | 11-50 | Exact match | 40 contacts → |
“Advanced Exhaust Solutions is a premier supplier of exhaust gas silencers, piping and after-treatment components.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Belco Technologies Corporation BTCelessentct.comHQ: St. Louis, MO, United StatesReported employees: 11-50 | St. Louis, MO, United States | 11-50 | Exact match | 26 contacts → |
“Belco Technologies Corporation (BTC) is an Elessent Clean Technologies company specializing in emission control solutions for major oil refining processes.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Wahlco, INCwahlco.com HQ: Santa Ana, CA, United StatesReported employees: 51-200 | Santa Ana, CA, United States | 51-200 | Exact match | 26 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Tri-Mer Corporationtri-mer.com HQ: Owosso, MI, United StatesReported employees: 51-200 | Owosso, MI, United States | 51-200 | Exact match | 25 contacts → |
“Tri-Mer Corporation, established in 1960, specializes in comprehensive air pollution control solutions.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Diesel Emissions Servicedes.direct HQ: Redding, CA, United StatesReported employees: 51-200 | Redding, CA, United States | 51-200 | Exact match | 25 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Performance Industriesmetalsubstrate.com HQ: Coppell, TX, United StatesReported employees: 51-200 | Coppell, TX, United States | 51-200 | Exact match | 24 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Eastern Catalyticeasterncatalytic.com HQ: Langhorne, PA, United StatesReported employees: 11-50 | Langhorne, PA, United States | 11-50 | Exact match | 21 contacts → |
“Eastern Catalytic manufactures catalytic converters, manifold converters, and converter components for the aftermarket and for original equipment manufacturers.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Inexhaustinexhaust.com HQ: Lincoln, NE, United StatesReported employees: 11-50 | Lincoln, NE, United States | 11-50 | Exact match | 20 contacts → |
“Nearly 50 years’ combined experience in Exhaust Systems manufacturing, power generation, emissions, and the oil and gas industries.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Clearsign Technologiesclearsign.com HQ: Tulsa, OK, United StatesReported employees: 11-50 | Tulsa, OK, United States | 11-50 | Exact match | 20 contacts → |
“ClearSign Technologies (NASDAQ: CLIR) designs and develops technologies that aim to solve the greatest challenge facing the energy industry today: capital intensive emissions…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Beecher Emission Solution Technologies Best -Ward Diesel Filter Systems & Ward Clean AIR Productswarddiesel.com HQ: Horseheads, NY, United StatesReported employees: 51-200 | Horseheads, NY, United States | 51-200 | Exact match | 19 contacts → |
“Health & Safety in the Fire & EMS Industry and Emission solutions for all other Industries.See our websites for additional & Ward Diesel & Ward Clean Air Products History: Ward…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  AIR Clearairclear.netHQ: Elkton, MD, United StatesReported employees: 11-50 | Elkton, MD, United States | 11-50 | Exact match | 15 contacts → |
“Air Clear is an air pollution control equipment company based in Northern Maryland.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 71 company matches
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Emission control system manufacturers: dataset insights
October 12, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
71 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 71 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 12, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for emission control system manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many emission control system manufacturers did RevenueBase find based in the United States?
The saved snapshot records 71 matching company records, 4,377 tracked contacts and 981 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 12, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Emission control system manufacturers by geography
Cite this list
RevenueBase Data Team. Top 25 emission control system manufacturers based in the United States. Snapshot: October 12, 2026. https://revenuebase.ai/companies/emission-control-system-manufacturers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Emission control system manufacturers based in Germany
- Emission control system manufacturers based in India
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
Company intelligence · public preview
Top 25 emission control system manufacturers based in the United States
RevenueBase records 71 matching company records for emission control system manufacturers based in the United States, with 4,377 tracked contacts and 981 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 12, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 emission control system manufacturers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Stanadynestanadyne.com HQ: Jacksonville, NC, United StatesReported employees: 1,001-5,000 | Jacksonville, NC, United States | 1,001-5,000 | Exact match | 709 contacts → |
“Stanadyne is a global automotive technology leader in engine-based fuel and air management systems.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | STANTstant.com HQ: Connersville, IN, United StatesReported employees: 501-1,000 | Connersville, IN, United States | 501-1,000 | Exact match | 602 contacts → |
“Stant’s tradition of innovation and quality began in 1898, when George Stant founded the company in Connersville, Indiana, USA.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Arvin Sango INCarvinsango.com HQ: Madison, IN, United StatesReported employees: 501-1,000 | Madison, IN, United States | 501-1,000 | Exact match | 448 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 | Econtrolsecontrols.com HQ: San Antonio, TX, United StatesReported employees: 201-500 | San Antonio, TX, United States | 201-500 | Exact match | 278 contacts → |
“Who we are Since 1994, EControls has delivered innovation and customer satisfaction to the engine and vehicle industries through: • State-of-the-art engine application…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cataler North Americacataler.com HQ: Lincolnton, NC, United StatesReported employees: 201-500 | Lincolnton, NC, United States | 201-500 | Exact match | 209 contacts → |
“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 description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | AP Emissions Technologies, LLCapemissions.com HQ: Goldsboro, NC, United StatesReported employees: 501-1,000 | Goldsboro, NC, United States | 501-1,000 | Exact match | 129 contacts → |
“AP Emissions Technologies manufactures a complete line of automotive, light truck, and heavy-duty exhaust, and emissions products.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Catalytic Combustion Corporationcatalyticcombustion.com HQ: Bloomer, WI, United StatesReported employees: 51-200 | Bloomer, WI, United States | 51-200 | Exact match | 74 contacts → |
“Founded in 1950, Catalytic Combustion Corporation introduced industry-leading technology with the development of the first ever United States patented catalyst (U.S.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Tann Corporationtanncorporation.com HQ: Kaukauna, WI, United StatesReported employees: 51-200 | Kaukauna, WI, United States | 51-200 | Exact match | 59 contacts → |
“TANN Corporation designs and manufactures high-performance air pollution control systems built to meet the most demanding industrial applications.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Dinex Emission INCdinex.us HQ: Dublin, GA, United StatesReported employees: 51-200 | Dublin, GA, United States | 51-200 | Exact match | 50 contacts → |
“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 description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Conifer Systemsconifersystems.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 48 contacts → |
“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 description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | ESW Groupeswgroup.com HQ: Montgomeryville, PA, United StatesReported employees: 51-200 | Montgomeryville, PA, United States | 51-200 | Exact match | 48 contacts → |
“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 description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Enervex INCenervex.com HQ: Alpharetta, GA, United StatesReported employees: 51-200 | Alpharetta, GA, United States | 51-200 | Exact match | 47 contacts → |
“Welcome to ENERVEX.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Epcon Industrial Systems, LPepconlp.com HQ: Conroe, TX, United StatesReported employees: 51-200 | Conroe, TX, United States | 51-200 | Exact match | 44 contacts → |
“Epcon Industrial Systems specializes in designing and manufacturing of pre-engineered and pre-tested Regenerative Thermal Oxidizers, Recuperative Thermal Oxidizers, Afterburners…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Rypos, INCrypos.com HQ: Franklin, MA, United StatesReported employees: 11-50 | Franklin, MA, United States | 11-50 | Exact match | 40 contacts → |
“Rypos is driven to address climate change through clean air technology.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Advanced Exhaust Solutionsadvancedexhaustsolutions.com HQ: Northfield, MN, United StatesReported employees: 11-50 | Northfield, MN, United States | 11-50 | Exact match | 40 contacts → |
“Advanced Exhaust Solutions is a premier supplier of exhaust gas silencers, piping and after-treatment components.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Belco Technologies Corporation BTCelessentct.com HQ: St. Louis, MO, United StatesReported employees: 11-50 | St. Louis, MO, United States | 11-50 | Exact match | 26 contacts → |
“Belco Technologies Corporation (BTC) is an Elessent Clean Technologies company specializing in emission control solutions for major oil refining processes.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Wahlco, INCwahlco.com HQ: Santa Ana, CA, United StatesReported employees: 51-200 | Santa Ana, CA, United States | 51-200 | Exact match | 26 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Tri-Mer Corporationtri-mer.com HQ: Owosso, MI, United StatesReported employees: 51-200 | Owosso, MI, United States | 51-200 | Exact match | 25 contacts → |
“Tri-Mer Corporation, established in 1960, specializes in comprehensive air pollution control solutions.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Diesel Emissions Servicedes.direct HQ: Redding, CA, United StatesReported employees: 51-200 | Redding, CA, United States | 51-200 | Exact match | 25 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Performance Industriesmetalsubstrate.com HQ: Coppell, TX, United StatesReported employees: 51-200 | Coppell, TX, United States | 51-200 | Exact match | 24 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Eastern Catalyticeasterncatalytic.com HQ: Langhorne, PA, United StatesReported employees: 11-50 | Langhorne, PA, United States | 11-50 | Exact match | 21 contacts → |
“Eastern Catalytic manufactures catalytic converters, manifold converters, and converter components for the aftermarket and for original equipment manufacturers.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Inexhaustinexhaust.com HQ: Lincoln, NE, United StatesReported employees: 11-50 | Lincoln, NE, United States | 11-50 | Exact match | 20 contacts → |
“Nearly 50 years’ combined experience in Exhaust Systems manufacturing, power generation, emissions, and the oil and gas industries.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Clearsign Technologiesclearsign.com HQ: Tulsa, OK, United StatesReported employees: 11-50 | Tulsa, OK, United States | 11-50 | Exact match | 20 contacts → |
“ClearSign Technologies (NASDAQ: CLIR) designs and develops technologies that aim to solve the greatest challenge facing the energy industry today: capital intensive emissions…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Beecher Emission Solution Technologies Best -Ward Diesel Filter Systems & Ward Clean AIR Productswarddiesel.com HQ: Horseheads, NY, United StatesReported employees: 51-200 | Horseheads, NY, United States | 51-200 | Exact match | 19 contacts → |
“Health & Safety in the Fire & EMS Industry and Emission solutions for all other Industries.See our websites for additional & Ward Diesel & Ward Clean Air Products History: Ward…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | AIR Clearairclear.net HQ: Elkton, MD, United StatesReported employees: 11-50 | Elkton, MD, United States | 11-50 | Exact match | 15 contacts → |
“Air Clear is an air pollution control equipment company based in Northern Maryland.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 71 company matches
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Emission control system manufacturers: dataset insights
October 12, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
71 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 71 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 12, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for emission control system manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many emission control system manufacturers did RevenueBase find based in the United States?
The saved snapshot records 71 matching company records, 4,377 tracked contacts and 981 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 12, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Emission control system manufacturers by geography
Cite this list
RevenueBase Data Team. Top 25 emission control system manufacturers based in the United States. Snapshot: October 12, 2026. https://revenuebase.ai/companies/emission-control-system-manufacturers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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