Auto parts manufacturers in the USA
EPA records list 3,097 active auto parts makers in the US, facilities with codes for engines, electrical, steering, brake, transmission, seating, stamping and other vehicle parts. The most are in California, Michigan and Indiana, with 59% of the total.
- Product
- Auto parts manufacturers
- Facilities
- 3,097
- States
- 46
- NAICS
- 336310 and 7 related codes
- Revised
- November 1, 2026
By state
States with at least 15 such facilities have their own page with the facility list.
| State | Facilities | Share |
|---|---|---|
| California | 1,180 | 38.1% |
| Michigan | 473 | 15.3% |
| Indiana | 183 | 5.9% |
| Ohio | 164 | 5.3% |
| Tennessee | 108 | 3.5% |
| Alabama | 103 | 3.3% |
| Kentucky | 99 | 3.2% |
| Illinois | 86 | 2.8% |
| South Carolina | 71 | 2.3% |
| North Carolina | 64 | 2.1% |
| Georgia | 51 | 1.6% |
| Florida | 50 | 1.6% |
| Missouri | 49 | 1.6% |
| Texas | 44 | 1.4% |
| Wisconsin | 40 | 1.3% |
| Iowa | 31 | 1.0% |
| New York | 29 | 0.9% |
| Virginia | 29 | 0.9% |
| Pennsylvania | 25 | 0.8% |
| Arkansas | 18 | 0.6% |
| Maryland | 17 | 0.5% |
| Massachusetts | 17 | 0.5% |
| Minnesota | 17 | 0.5% |
| Mississippi | 17 | 0.5% |
| Kansas | 16 | 0.5% |
| Nebraska | 15 | 0.5% |
| Washington | 14 | 0.5% |
| Oklahoma | 13 | 0.4% |
| Arizona | 8 | 0.3% |
| Connecticut | 8 | 0.3% |
| New Jersey | 7 | 0.2% |
| Colorado | 6 | 0.2% |
| Oregon | 6 | 0.2% |
| Utah | 6 | 0.2% |
| South Dakota | 5 | 0.2% |
| Vermont | 5 | 0.2% |
| West Virginia | 5 | 0.2% |
| New Hampshire | 4 | 0.1% |
| Idaho | 3 | 0.1% |
| Nevada | 3 | 0.1% |
| Louisiana | 2 | 0.1% |
| North Dakota | 2 | 0.1% |
| Delaware | 1 | 0.0% |
| Maine | 1 | 0.0% |
| Rhode Island | 1 | 0.0% |
| Wyoming | 1 | 0.0% |
EPA ECHO active facilities listing NAICS 336310, 336320, 336330, 336340, 336350, 336360, 336370, 336390. Codes are reported by facilities and not checked here. How these records work.
Biggest clusters
- Los Angeles, CA: 85
- San Jose, CA: 32
- Sacramento, CA: 29
- San Diego, CA: 28
- Santa Clara, CA: 27
- Grand Rapids, MI: 23
- Santa Ana, CA: 20
- Holland, MI: 17
Codes counted
- Motor Vehicle Gasoline Engine and Engine Parts Manufacturing (NAICS 336310)
- Motor Vehicle Electrical and Electronic Equipment Manufacturing (NAICS 336320)
- Motor Vehicle Steering and Suspension Components (except Spring) Manufacturing (NAICS 336330)
- Motor Vehicle Brake System Manufacturing (NAICS 336340)
- Motor Vehicle Transmission and Power Train Parts Manufacturing (NAICS 336350)
- Motor Vehicle Seating and Interior Trim Manufacturing (NAICS 336360)
- Motor Vehicle Metal Stamping (NAICS 336370)
- Other Motor Vehicle Parts Manufacturing (NAICS 336390)
This sits inside vehicles, aircraft and parts manufacturing, which has 11,691 establishments and 1,682,910 jobs (Census, 2023). See the industry.