Tamco
12459 Arrow Highway, Rancho Cucamonga, CA 91739, San Bernardino County
A manufacturing facility in Rancho Cucamonga, California, listed in EPA records under iron and steel mills and ferroalloy manufacturing (NAICS 331110) and also fabricated structural metal manufacturing. It is one of 32,455 active manufacturing facilities in EPA records in California.
- Industry
- Primary metals
- NAICS 331
- TRI reporter
- Yes
- Inspections, 5 yr
- 1
- EPA registry ID
- 110000477788
- Revised
- November 1, 2026
What's made here
- Iron and Steel Mills and Ferroalloy Manufacturing (NAICS 331110)
- Fabricated Structural Metal Manufacturing (NAICS 332312)
Public EPA records
| Toxics Release Inventory | Reports to the TRI (facility ID 91739TMCXX12459). |
|---|---|
| Clean Air Act | Listed as a major source of air emissions. |
| Hazardous waste (RCRA) | Listed as a large quantity generator of hazardous waste (1,000 kg or more a month). |
| Greenhouse gas reporting | Reports to the Greenhouse Gas Reporting Program. |
| Inspections | 1 in the last five years; most recent February 17, 2023. |
EPA ECHO, November 1, 2026; not a rating. EPA report ยท About these records