Semiconductor manufacturers in the USA
EPA records list 1,248 active semiconductor makers in the US, facilities with codes for semiconductors and related devices. The most are in California, Massachusetts and Texas, with 65% of the total.
- Product
- Semiconductor manufacturers
- Facilities
- 1,248
- States
- 41
- NAICS
- 334413
- 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 | 657 | 52.6% |
| Massachusetts | 86 | 6.9% |
| Texas | 65 | 5.2% |
| New York | 58 | 4.6% |
| Arizona | 36 | 2.9% |
| Oregon | 33 | 2.6% |
| Pennsylvania | 30 | 2.4% |
| New Jersey | 27 | 2.2% |
| North Carolina | 23 | 1.8% |
| Colorado | 19 | 1.5% |
| Washington | 18 | 1.4% |
| Michigan | 17 | 1.4% |
| New Hampshire | 17 | 1.4% |
| New Mexico | 15 | 1.2% |
| Florida | 14 | 1.1% |
| Minnesota | 12 | 1.0% |
| Ohio | 12 | 1.0% |
| Maryland | 11 | 0.9% |
| Illinois | 10 | 0.8% |
| Rhode Island | 10 | 0.8% |
| Idaho | 7 | 0.6% |
| Missouri | 7 | 0.6% |
| South Carolina | 7 | 0.6% |
| Alabama | 6 | 0.5% |
| Virginia | 6 | 0.5% |
| Connecticut | 5 | 0.4% |
| Georgia | 5 | 0.4% |
| Indiana | 5 | 0.4% |
| Utah | 5 | 0.4% |
| Maine | 4 | 0.3% |
| Mississippi | 3 | 0.2% |
| Vermont | 3 | 0.2% |
| Wisconsin | 3 | 0.2% |
| Louisiana | 2 | 0.2% |
| Nebraska | 2 | 0.2% |
| South Dakota | 2 | 0.2% |
| Tennessee | 2 | 0.2% |
| Arkansas | 1 | 0.1% |
| Delaware | 1 | 0.1% |
| Kentucky | 1 | 0.1% |
| Nevada | 1 | 0.1% |
EPA ECHO active facilities listing NAICS 334413. Codes are reported by facilities and not checked here. How these records work.
Biggest clusters
- San Jose, CA: 103
- Santa Clara, CA: 75
- Fremont, CA: 59
- Sunnyvale, CA: 43
- Milpitas, CA: 40
- San Diego, CA: 27
- Colorado Springs, CO: 14
- Albuquerque, NM: 14
Codes counted
- Semiconductor and Related Device Manufacturing (NAICS 334413)
This sits inside computers and electronics manufacturing, which has 11,262 establishments and 815,444 jobs (Census, 2023). See the industry.