Electrical equipment manufacturers in the USA
EPA records list 2,373 active electrical equipment makers in the US, facilities with codes for motors, transformers, switchgear, wire and wiring devices. The most are in California, Massachusetts and New York, with 34% of the total.
- Product
- Electrical equipment manufacturers
- Facilities
- 2,373
- States
- 50
- NAICS
- 335311 and 8 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 | 592 | 24.9% |
| Massachusetts | 107 | 4.5% |
| New York | 106 | 4.5% |
| Illinois | 95 | 4.0% |
| Pennsylvania | 95 | 4.0% |
| Ohio | 88 | 3.7% |
| Texas | 82 | 3.5% |
| Florida | 79 | 3.3% |
| New Jersey | 78 | 3.3% |
| Wisconsin | 73 | 3.1% |
| North Carolina | 71 | 3.0% |
| Connecticut | 67 | 2.8% |
| Missouri | 66 | 2.8% |
| Michigan | 59 | 2.5% |
| Virginia | 58 | 2.4% |
| Minnesota | 55 | 2.3% |
| Tennessee | 55 | 2.3% |
| South Carolina | 48 | 2.0% |
| Indiana | 47 | 2.0% |
| Louisiana | 37 | 1.6% |
| Mississippi | 32 | 1.3% |
| New Hampshire | 30 | 1.3% |
| Colorado | 28 | 1.2% |
| Iowa | 25 | 1.1% |
| Maryland | 25 | 1.1% |
| Alabama | 24 | 1.0% |
| Arkansas | 22 | 0.9% |
| Washington | 22 | 0.9% |
| Georgia | 21 | 0.9% |
| Kansas | 21 | 0.9% |
| Oklahoma | 17 | 0.7% |
| Kentucky | 15 | 0.6% |
| Oregon | 15 | 0.6% |
| Rhode Island | 15 | 0.6% |
| Nebraska | 14 | 0.6% |
| Arizona | 10 | 0.4% |
| Vermont | 10 | 0.4% |
| West Virginia | 10 | 0.4% |
| Maine | 8 | 0.3% |
| New Mexico | 8 | 0.3% |
| Idaho | 7 | 0.3% |
| Utah | 7 | 0.3% |
| Nevada | 6 | 0.3% |
| South Dakota | 5 | 0.2% |
| Wyoming | 5 | 0.2% |
| Delaware | 4 | 0.2% |
| North Dakota | 4 | 0.2% |
| Alaska | 2 | 0.1% |
| Montana | 2 | 0.1% |
| Hawaii | 1 | 0.0% |
EPA ECHO active facilities listing NAICS 335311, 335312, 335313, 335314, 335921, 335929, 335931, 335932, 335999. Codes are reported by facilities and not checked here. How these records work.
Biggest clusters
- San Diego, CA: 30
- San Jose, CA: 22
- Houston, TX: 19
- Los Angeles, CA: 17
- Fremont, CA: 15
- Anaheim, CA: 14
- Santa Clara, CA: 12
- Jacksonville, FL: 9
Codes counted
- Power, Distribution, and Specialty Transformer Manufacturing (NAICS 335311)
- Motor and Generator Manufacturing (NAICS 335312)
- Switchgear and Switchboard Apparatus Manufacturing (NAICS 335313)
- Relay and Industrial Control Manufacturing (NAICS 335314)
- Fiber Optic Cable Manufacturing (NAICS 335921)
- Other Communication and Energy Wire Manufacturing (NAICS 335929)
- Current-Carrying Wiring Device Manufacturing (NAICS 335931)
- Noncurrent-Carrying Wiring Device Manufacturing (NAICS 335932)
- All Other Miscellaneous Electrical Equipment and Component Manufacturing (NAICS 335999)
This sits inside electrical equipment and appliances manufacturing, which has 5,398 establishments and 369,456 jobs (Census, 2023). See the industry.