Company lists · Data refreshed September 2026
Top 25 Ev oem service providers based in the United States
RevenueBase identified 165 ev oem service providers headquartered in the United States as of September 2026 and tracks 139,248 professional contacts across them, including 19,234 with verified work emails. Farmington Hills is the largest hub.
This list covers ev oem service providers 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 21, 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 ev oem service providers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 121,980 contacts → | ||||
Indirect evidence “We don't just make history - we make the future.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 5,183 contacts → | ||||
Indirect evidence “Yazaki is a global leader in the research, development and delivery of vehicle power and data solutions for automotive applications.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 2,244 contacts → | ||||
Indirect evidence “There is power in a trusted brand.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,871 contacts → | ||||
Indirect evidence “Stoneridge, Inc.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,495 contacts → | ||||
Indirect evidence “Dura-Shiloh is a global mobility systems supplier specializing in the design, engineering and manufacturing of solutions that drive the evolution of mobility.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,372 contacts → | ||||
Indirect evidence “CVG is a leading supplier of warehouse automation and robotic assemblies, electric vehicle assemblies, electrical wire harnesses, seating systems, mechanical assemblies…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 765 contacts → | ||||
Indirect evidence “The Fujikura Group offers a wide range of automotive products, including wire-harnesses, several types of sensors, and electronic products.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 468 contacts → | ||||
Indirect evidence “Curtis Instruments, a Parker-Hannifin Company, has led the way with innovations in motor control, battery management and vehicle instrumentation since 1960.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 452 contacts → | ||||
Indirect evidence “On April 1, 2021, AW North Carolina became AISIN North Carolina, part of AISIN Group in the Americas, which includes some employees, 43 manufacturing, sales and R&D Centers.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 433 contacts → | ||||
Indirect evidence “Karma Automotive, founded in 2014, is a southern California based producer of luxury electric vehicles.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 192 contacts → | ||||
Indirect evidence “Turntide Technologies designs and manufactures best-in-class electric motors, power electronics, energy storage, and thermal equipment for anything that moves –on the road, off…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 126 contacts → | ||||
Indirect evidence “Steel forgers” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 106 contacts → | ||||
Indirect evidence “Peripheral Computer Support, Inc.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 77 contacts → | ||||
Indirect evidence “For 55-years, Flight Systems Industrial Products (FSIP) has provided reliable, high quality products and services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 45 contacts → | ||||
Indirect evidence “We are committed to building innovative electric vehicles that are built for the way people live their lives.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 40 contacts → | ||||
Indirect evidence “We partner with automotive, commercial, marine, recreational, construction and mining vehicle manufacturers to make their vehicles smarter with electronics hardware, software and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 38 contacts → | ||||
Indirect evidence “A producer of high-end electrical systems for electric vehicles.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 38 contacts → | ||||
Indirect evidence “TransPower USA, a small but rapidly-growing California corporation, is developing two complementary and potentially game-changing products: a battery-electric drive system for…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 30 contacts → | ||||
Indirect evidence “Hybrid Design Services is working towards a sustainable future by innovating energy storage and high voltage distribution systems.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 29 contacts → | ||||
Indirect evidence “Tau is an advanced technology redefining the future of electrification.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 29 contacts → | ||||
Indirect evidence “IoTecha is accelerating the Electric Vehicle revolution by providing critical hardware and software components for the Smart Charging infrastructure and enabling the integration…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 29 contacts → | ||||
Indirect evidence “UQM develops and manufactures power-dense, high-efficiency electric motors, generators and controllers for the automotive, commercial truck, bus, marine and military…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 25 contacts → | ||||
Indirect evidence “Telemetrics is now part of EVS within its T-Motion solution family.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 24 contacts → | ||||
Indirect evidence “Inspired by Charles de Coulomb’s pioneering discoveries in electricity and magnetism, Coulomb Solutions Inc.(CSI) provides innovative electrification solutions for commercial…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 23 contacts → | ||||
Indirect evidence “Hello, As a valued customer of SDA I wanted to personally share exciting news.” Source: RevenueBase Database · checked Sep 21, 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: ev oem service providers. 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 ev oem service providers.
- Partial evidence
- Its own public description names part of ev oem service providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name ev oem service providers. 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 165 ev oem service providers based in the United States
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Ev oem service providers based in the United States at a glance
As of Sep 21, 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 165 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 ev oem service providers, 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 “ev oem service providers”. 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 ev oem service providers), 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 ev oem service providers, 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, 19,234 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 21, 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 ev oem service providers, 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 ev oem service providers are there based in the United States?
RevenueBase identified 165 ev oem service providers 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?
Ford Motor Company, headquartered in Dearborn, tops this list with the largest team on record.
Which city has the most ev oem service providers?
Farmington Hills leads with 6 headquartered companies, followed by Novi (6) and Detroit (4).
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 19,234 verified decision-maker contacts tracked across these 165 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 21, 2026.
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Ev oem service providers by geography
- Ev oem service providers based in Canada
- Ev oem service providers based in France
- Ev oem service providers based in Germany
- Ev oem service providers based in India
- Ev oem service providers based in Italy
- Ev oem service providers based in Japan
- Ev oem service providers based in Türkiye
- Ev oem service providers based in the United Kingdom
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.