Company lists · Data refreshed September 2026
Top 25 Automotive powertrain manufacturers based in the United States
RevenueBase identified 111 automotive powertrain manufacturers headquartered in the United States as of September 2026 and tracks 19,789 professional contacts across them, including 4,648 with verified work emails. Farmington Hills is the largest hub.
This list covers automotive powertrain manufacturers headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 powertrain manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 7,954 contacts → | ||||
Partial evidence “On February 3, 2026, Dauch Corporation (formerly American Axle & Manufacturing) acquired Dowlais Group plc and its subsidiaries – GKN Automotive and GKN Powder Metallurgy.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,695 contacts → | ||||
Partial evidence “Allison Transmission is a leading designer and manufacturer of vehicle propulsion solutions for commercial and defense vehicles, the largest global manufacturer of medium- and…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,488 contacts → | ||||
Strong evidence “Dayco is a global leader in the research, design, manufacture and distribution of essential engine drive systems and aftermarket services for automotive, truck, construction…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 740 contacts → | ||||
Indirect evidence “Torque transfer solutions from TREMEC are found in products ranging from supercars and high-performance sports cars to line haul and vocational vehicles worldwide.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 682 contacts → | ||||
Partial evidence “Stanadyne is a global automotive technology leader in engine-based fuel and air management systems.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 539 contacts → | ||||
Partial evidence “JTEKT Corporation was established in January 2006 through the merger of Koyo Seiko Co, Ltd, a world-class bearing manufacturer, and Toyoda Machine Works, Ltd, a machine tool…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 516 contacts → | ||||
Strong evidence “Neapco is the leading supplier of innovative driveline solutions to original equipment manufacturers and the global automotive industry.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 504 contacts → | ||||
Partial evidence “ATC Reman is a world leader in remanufacturing solutions for light, medium, and heavy-duty vehicles, providing remanufacturing solutions for powertrain and drivetrain products…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 487 contacts → | ||||
Indirect evidence “TEAM Industries is a market leader in drive train technology that offers a complete range of services that includes everything from collaboration on product designs to…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 264 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 168 contacts → | ||||
Partial evidence “SLPT provides advanced powertrain system solutions incorporating a wide range of mechanical and electronic technologies.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 148 contacts → | ||||
Indirect evidence “McLaren Engineering is Linamar’s leading-edge technology and product development center for our mobility segment.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 143 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 134 contacts → | ||||
Strong evidence “Melling is a leading manufacturer of oil & water pumps as well as many other powertrain components.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 130 contacts → | ||||
Partial evidence “Cloyes, based in Fort Smith, Ark, is the North American leader and global designer, developer, manufacturer and distributor of timing drive systems and components for the…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 128 contacts → | ||||
Indirect evidence “Tuff Torq Corporation was incorporated on July 1, 1989, and is a subsidiary of the Kanzaki Kokyukoki Manufacturing Company Limited and the Yanmar Co.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 121 contacts → | ||||
Strong evidence “Sonnax Transmission Company is an industry leader in the cutting-edge design, manufacture and distribution of the highest quality products to the automotive aftermarket…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 97 contacts → | ||||
Partial evidence “Keihin is the maker of the worlds finest automotive components.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 86 contacts → | ||||
Partial evidence “Warn Automotive can trace its beginning back to 1948, when Arthur Warn invented the first disconnecting four-wheel-drive hub for surplus WWII vehicles.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 80 contacts → | ||||
Indirect evidence “EXEDY Globalparts Corporation (USA) is a wholly owned subsidiary of the EXEDY Corporation of Japan.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 75 contacts → | ||||
Indirect evidence “The absolute leader in valve train technology & member of the Edelbrock Group.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 64 contacts → | ||||
Strong evidence “TSM Corporation is a full service manufacturer of precision machined components and complex assemblies for the global automotive industry.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 63 contacts → | ||||
Indirect evidence “Alma Products Company was founded by E.E Tracy in December 1943 under the name of Tracy Detroit Manufacturing Company.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 62 contacts → | ||||
Indirect evidence “Welcome to Anderson-Cook Incorporated.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 44 contacts → | ||||
Indirect evidence “Power Systems Research (PSR) is a world leader in providing power equipment information, whether it's pure data, analysis, forecasting or specific business intelligence.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: automotive powertrain manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names automotive powertrain manufacturers.
- Partial evidence
- Its own public description names part of automotive powertrain manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name automotive powertrain manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 111 automotive powertrain manufacturers based in the United States
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Automotive powertrain manufacturers based in the United States at a glance
As of Sep 16, 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 111 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among automotive powertrain manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “automotive powertrain manufacturers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names automotive powertrain manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among automotive powertrain manufacturers, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 4,648 across the full list. 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 16, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names automotive powertrain manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many automotive powertrain manufacturers are there based in the United States?
RevenueBase identified 111 automotive powertrain manufacturers headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
AAM, headquartered in Detroit, tops this list with the largest team on record.
Which city has the most automotive powertrain manufacturers?
Farmington Hills leads with 3 headquartered companies, followed by Alma (2) and Auburn Hills (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 4,648 verified decision-maker contacts tracked across these 111 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, 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.
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