Company lists · Data refreshed September 2026
Top 25 Automotive exhaust aftertreatment systems manufacturers based in the United States
RevenueBase identified 61 company matches for automotive exhaust aftertreatment systems manufacturers associated with the United States as of September 2026 and tracks 2,638 professional contacts across them, including 725 with verified work emails. Dallas is the largest hub.
This list covers company matches for automotive exhaust aftertreatment systems 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 September 29, 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 automotive exhaust aftertreatment systems manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 682 contacts → | ||||
Exact match “Stanadyne is a global automotive technology leader in engine-based fuel and air management systems.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 582 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 433 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 199 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 29, 2026 · View company records in RevenueBase | |||||
| 5 | 126 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 55 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 29, 2026 · View company records in RevenueBase | |||||
| 7 | 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 43 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 29, 2026 · View company records in RevenueBase | |||||
| 9 | 38 contacts → | ||||
Exact match “Welcome to Grand Rock Company, where dedication, quality, efficiency and service are reflected in our everyday actions and commitment to our customers.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 26 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 23 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 19 contacts → | ||||
Exact match “Emission & Cooling Solutions (ECS) is a service provider and distributor of components for heavy duty diesel engines.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 17 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 16 contacts → | ||||
Exact match “HORSEPOWER IS A BEAUTIFUL THING Factory Pipe is an exhaust manufacturer specializing in recreational vehicles.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 15 contacts → | ||||
Exact match “Engineered Exhaust Systems (EES), located in Saukville, Wisconsin, is a premier designer and provider of Exhaust Systems and other components Including metal stampings, full…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 14 contacts → | ||||
Exact match “Made in USA since 1972.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 12 contacts → | ||||
Exact match “We are recognized as the industry leader in manufacturing vehicle exhaust systems because of our product diversity, unmatched durability, extensive service network, and experience.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 8 contacts → | ||||
Exact match “MillerCat designs, engineers, and manufactures 100% CARB-certified catalytic converters, exhaust accessories, and catalytic converter anti-theft security protection Cat Shields.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 7 contacts → | ||||
Exact match “ACAT Global LLC is an international company that designs and develops catalytic converter solutions using proprietary metallic substrate technology and ceramic substrate catalysts.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “Quick Time Performance since 2002 has been in the development, engineering, manufacturing and distribution of exhaust systems and components supplying the Automotive Aftermarket.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 6 contacts → | ||||
Exact match “MineTerra is an industry leading emissions control solutions provider.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 5 contacts → | ||||
Exact match “At AB Cattech, we offer cutting-edge processing technology for catalytic converters, foils, and Diesel Particulate Filter (DPF) systems for auto recycling and salvage yard…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 4 contacts → | ||||
Exact match “Precision Catalyst, delivers the latest in emission control solutions.” Recorded in the RevenueBase company graph · Sep 29, 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 “automotive exhaust aftertreatment systems 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 61 automotive exhaust aftertreatment systems manufacturers based in the United States
See the full list, filter by size, metro and specialty, and access 725 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Automotive exhaust aftertreatment systems manufacturers based in the United States at a glance
As of Sep 29, 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 61 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 “automotive exhaust aftertreatment systems 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 725 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 29, 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 “automotive exhaust aftertreatment systems manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many automotive exhaust aftertreatment systems manufacturers are there based in the United States?
RevenueBase identified 61 company matches for automotive exhaust aftertreatment systems manufacturers 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?
Stanadyne tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most automotive exhaust aftertreatment systems manufacturers?
Dallas leads with 2 company records, followed by Elwood (2) and Montgomeryville (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 725 professional contacts with verified work emails tracked across these 61 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 61 automotive exhaust aftertreatment systems manufacturers based in the United States. Start with a free account, no credit card.
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Automotive exhaust aftertreatment systems 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
- Automotive exhaust aftertreatment systems manufacturers based in Germany
- Automotive exhaust aftertreatment systems manufacturers based in the United Kingdom
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Company intelligence · public preview
Top 25 automotive exhaust aftertreatment systems 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 61 matching company records for automotive exhaust aftertreatment systems manufacturers based in the United States, with 2,638 tracked contacts and 725 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: September 29, 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 automotive exhaust aftertreatment systems 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 | 682 contacts → |
“Stanadyne is a global automotive technology leader in engine-based fuel and air management systems.” Recorded description excerpt · September 29, 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 | 582 contacts → |
“Stant’s tradition of innovation and quality began in 1898, when George Stant founded the company in Connersville, Indiana, USA.” Recorded description excerpt · September 29, 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 | 433 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 | Cataler North Americacataler.com HQ: Lincolnton, NC, United StatesReported employees: 201-500 | Lincolnton, NC, United States | 201-500 | Exact match | 199 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | AP Emissions Technologies, LLCapemissions.com HQ: Goldsboro, NC, United StatesReported employees: 501-1,000 | Goldsboro, NC, United States | 501-1,000 | Exact match | 126 contacts → |
“AP Emissions Technologies manufactures a complete line of automotive, light truck, and heavy-duty exhaust, and emissions products.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Dinex Emission INCdinex.us HQ: Dublin, GA, United StatesReported employees: 51-200 | Dublin, GA, United States | 51-200 | Exact match | 55 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Advanced Exhaust Solutionsadvancedexhaustsolutions.comHQ: Northfield, MN, United StatesReported employees: 11-50 | Northfield, MN, United States | 11-50 | Exact match | 43 contacts → |
“Advanced Exhaust Solutions is a premier supplier of exhaust gas silencers, piping and after-treatment components.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Grand Rock Exhaust Companygrandrock.com HQ: Painesville, United StatesReported employees: 51-200 | Painesville, United States | 51-200 | Exact match | 38 contacts → |
“Welcome to Grand Rock Company, where dedication, quality, efficiency and service are reflected in our everyday actions and commitment to our customers.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Performance Industriesmetalsubstrate.com HQ: Coppell, TX, United StatesReported employees: 51-200 | Coppell, TX, United States | 51-200 | Exact match | 26 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Diesel Emissions Servicedes.direct HQ: Redding, CA, United StatesReported employees: 51-200 | Redding, CA, United States | 51-200 | Exact match | 23 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Emission & Cooling Solutionsecspart.com HQ: Nashville, TN, United StatesReported employees: 11-50 | Nashville, TN, United States | 11-50 | Exact match | 19 contacts → |
“Emission & Cooling Solutions (ECS) is a service provider and distributor of components for heavy duty diesel engines.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Inexhaustinexhaust.com HQ: Lincoln, NE, United StatesReported employees: 11-50 | Lincoln, NE, United States | 11-50 | Exact match | 17 contacts → |
“Nearly 50 years’ combined experience in Exhaust Systems manufacturing, power generation, emissions, and the oil and gas industries.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Factory Pipe LLCfactorypipe.com HQ: Ukiah, CA, United StatesReported employees: 51-200 | Ukiah, CA, United States | 51-200 | Exact match | 16 contacts → |
“HORSEPOWER IS A BEAUTIFUL THING Factory Pipe is an exhaust manufacturer specializing in recreational vehicles.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Engineered Exhaust Systems INCeesbt.com HQ: Saukville, WI, United StatesReported employees: 11-50 | Saukville, WI, United States | 11-50 | Exact match | 15 contacts → |
“Engineered Exhaust Systems (EES), located in Saukville, Wisconsin, is a premier designer and provider of Exhaust Systems and other components Including metal stampings, full…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Dynaflex Productsdynaflexproducts.com HQ: Commerce, CA, United StatesReported employees: 51-200 | Commerce, CA, United States | 51-200 | Exact match | 14 contacts → |
“Made in USA since 1972.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Harvey Industries, INCharveyexhaust.com HQ: Akron, OH, United StatesReported employees: 1-10 | Akron, OH, United States | 1-10 | Exact match | 12 contacts → |
“We are recognized as the industry leader in manufacturing vehicle exhaust systems because of our product diversity, unmatched durability, extensive service network, and experience.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Miller CAT Corporationmillercat.com HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 8 contacts → |
“MillerCat designs, engineers, and manufactures 100% CARB-certified catalytic converters, exhaust accessories, and catalytic converter anti-theft security protection Cat Shields.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Acat Global LLCacatglobal.comHQ: Charlevoix, MI, United StatesReported employees: 11-50 | Charlevoix, MI, United States | 11-50 | Exact match | 7 contacts → |
“ACAT Global LLC is an international company that designs and develops catalytic converter solutions using proprietary metallic substrate technology and ceramic substrate catalysts.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Quick Time Performancequicktimeperformance.com HQ: Moore, SC, United StatesReported employees: 11-50 | Moore, SC, United States | 11-50 | Exact match | 7 contacts → |
“Quick Time Performance since 2002 has been in the development, engineering, manufacturing and distribution of exhaust systems and components supplying the Automotive Aftermarket.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Mineterramineterra.com HQ: Reno, MI, United StatesReported employees: 1-10 | Reno, MI, United States | 1-10 | Exact match | 6 contacts → |
“MineTerra is an industry leading emissions control solutions provider.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | AB Cattechabcattech.com HQ: Burlington, WI, United StatesReported employees: 11-50 | Burlington, WI, United States | 11-50 | Exact match | 5 contacts → |
“At AB Cattech, we offer cutting-edge processing technology for catalytic converters, foils, and Diesel Particulate Filter (DPF) systems for auto recycling and salvage yard…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Precision Catalystprecat.net HQ: Odessa, TX, United StatesReported employees: 11-50 | Odessa, TX, United States | 11-50 | Exact match | 4 contacts → |
“Precision Catalyst, delivers the latest in emission control solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 61 company matches
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Automotive exhaust aftertreatment systems manufacturers: dataset insights
September 29, 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
61 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 61 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: September 29, 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 automotive exhaust aftertreatment systems 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 automotive exhaust aftertreatment systems manufacturers did RevenueBase find based in the United States?
The saved snapshot records 61 matching company records, 2,638 tracked contacts and 725 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: September 29, 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
Automotive exhaust aftertreatment systems manufacturers by geography
Cite this list
RevenueBase Data Team. Top 25 automotive exhaust aftertreatment systems manufacturers based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/automotive-exhaust-aftertreatment-systems-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
- Automotive exhaust aftertreatment systems manufacturers based in Germany
- Automotive exhaust aftertreatment systems manufacturers based in the United Kingdom
- 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 automotive exhaust aftertreatment systems manufacturers based in the United States
RevenueBase records 61 matching company records for automotive exhaust aftertreatment systems manufacturers based in the United States, with 2,638 tracked contacts and 725 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: September 29, 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 automotive exhaust aftertreatment systems 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 | 682 contacts → |
“Stanadyne is a global automotive technology leader in engine-based fuel and air management systems.” Recorded description excerpt · September 29, 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 | 582 contacts → |
“Stant’s tradition of innovation and quality began in 1898, when George Stant founded the company in Connersville, Indiana, USA.” Recorded description excerpt · September 29, 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 | 433 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 | Cataler North Americacataler.com HQ: Lincolnton, NC, United StatesReported employees: 201-500 | Lincolnton, NC, United States | 201-500 | Exact match | 199 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | AP Emissions Technologies, LLCapemissions.com HQ: Goldsboro, NC, United StatesReported employees: 501-1,000 | Goldsboro, NC, United States | 501-1,000 | Exact match | 126 contacts → |
“AP Emissions Technologies manufactures a complete line of automotive, light truck, and heavy-duty exhaust, and emissions products.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Dinex Emission INCdinex.us HQ: Dublin, GA, United StatesReported employees: 51-200 | Dublin, GA, United States | 51-200 | Exact match | 55 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Advanced Exhaust Solutionsadvancedexhaustsolutions.com HQ: Northfield, MN, United StatesReported employees: 11-50 | Northfield, MN, United States | 11-50 | Exact match | 43 contacts → |
“Advanced Exhaust Solutions is a premier supplier of exhaust gas silencers, piping and after-treatment components.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Grand Rock Exhaust Companygrandrock.com HQ: Painesville, United StatesReported employees: 51-200 | Painesville, United States | 51-200 | Exact match | 38 contacts → |
“Welcome to Grand Rock Company, where dedication, quality, efficiency and service are reflected in our everyday actions and commitment to our customers.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Performance Industriesmetalsubstrate.com HQ: Coppell, TX, United StatesReported employees: 51-200 | Coppell, TX, United States | 51-200 | Exact match | 26 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Diesel Emissions Servicedes.direct HQ: Redding, CA, United StatesReported employees: 51-200 | Redding, CA, United States | 51-200 | Exact match | 23 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Emission & Cooling Solutionsecspart.com HQ: Nashville, TN, United StatesReported employees: 11-50 | Nashville, TN, United States | 11-50 | Exact match | 19 contacts → |
“Emission & Cooling Solutions (ECS) is a service provider and distributor of components for heavy duty diesel engines.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Inexhaustinexhaust.com HQ: Lincoln, NE, United StatesReported employees: 11-50 | Lincoln, NE, United States | 11-50 | Exact match | 17 contacts → |
“Nearly 50 years’ combined experience in Exhaust Systems manufacturing, power generation, emissions, and the oil and gas industries.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Factory Pipe LLCfactorypipe.com HQ: Ukiah, CA, United StatesReported employees: 51-200 | Ukiah, CA, United States | 51-200 | Exact match | 16 contacts → |
“HORSEPOWER IS A BEAUTIFUL THING Factory Pipe is an exhaust manufacturer specializing in recreational vehicles.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Engineered Exhaust Systems INCeesbt.com HQ: Saukville, WI, United StatesReported employees: 11-50 | Saukville, WI, United States | 11-50 | Exact match | 15 contacts → |
“Engineered Exhaust Systems (EES), located in Saukville, Wisconsin, is a premier designer and provider of Exhaust Systems and other components Including metal stampings, full…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Dynaflex Productsdynaflexproducts.com HQ: Commerce, CA, United StatesReported employees: 51-200 | Commerce, CA, United States | 51-200 | Exact match | 14 contacts → |
“Made in USA since 1972.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Harvey Industries, INCharveyexhaust.com HQ: Akron, OH, United StatesReported employees: 1-10 | Akron, OH, United States | 1-10 | Exact match | 12 contacts → |
“We are recognized as the industry leader in manufacturing vehicle exhaust systems because of our product diversity, unmatched durability, extensive service network, and experience.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Miller CAT Corporationmillercat.com HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 8 contacts → |
“MillerCat designs, engineers, and manufactures 100% CARB-certified catalytic converters, exhaust accessories, and catalytic converter anti-theft security protection Cat Shields.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Acat Global LLCacatglobal.com HQ: Charlevoix, MI, United StatesReported employees: 11-50 | Charlevoix, MI, United States | 11-50 | Exact match | 7 contacts → |
“ACAT Global LLC is an international company that designs and develops catalytic converter solutions using proprietary metallic substrate technology and ceramic substrate catalysts.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Quick Time Performancequicktimeperformance.com HQ: Moore, SC, United StatesReported employees: 11-50 | Moore, SC, United States | 11-50 | Exact match | 7 contacts → |
“Quick Time Performance since 2002 has been in the development, engineering, manufacturing and distribution of exhaust systems and components supplying the Automotive Aftermarket.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Mineterramineterra.com HQ: Reno, MI, United StatesReported employees: 1-10 | Reno, MI, United States | 1-10 | Exact match | 6 contacts → |
“MineTerra is an industry leading emissions control solutions provider.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | AB Cattechabcattech.com HQ: Burlington, WI, United StatesReported employees: 11-50 | Burlington, WI, United States | 11-50 | Exact match | 5 contacts → |
“At AB Cattech, we offer cutting-edge processing technology for catalytic converters, foils, and Diesel Particulate Filter (DPF) systems for auto recycling and salvage yard…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Precision Catalystprecat.net HQ: Odessa, TX, United StatesReported employees: 11-50 | Odessa, TX, United States | 11-50 | Exact match | 4 contacts → |
“Precision Catalyst, delivers the latest in emission control solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 61 company matches
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Automotive exhaust aftertreatment systems manufacturers: dataset insights
September 29, 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
61 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 61 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: September 29, 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 automotive exhaust aftertreatment systems 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 automotive exhaust aftertreatment systems manufacturers did RevenueBase find based in the United States?
The saved snapshot records 61 matching company records, 2,638 tracked contacts and 725 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: September 29, 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
Automotive exhaust aftertreatment systems manufacturers by geography
Cite this list
RevenueBase Data Team. Top 25 automotive exhaust aftertreatment systems manufacturers based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/automotive-exhaust-aftertreatment-systems-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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