Primary Metal Manufacturing in Montana
NAICS 331 · MT
There are 34 facilities listed in the register. The Bureau of Labor Statistics counted 12 establishments in Montana in 2024. Primary Metal Manufacturing had an annual payroll of about $0.0 billion according to the BLS. In 2025, MONTANA PRECISION PRODUCTS LLC in Butte had 201 employees.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in Montana6 FACILITIES
| Facility | City | Employees | Status |
|---|---|---|---|
| Stillwater Mining Company Base Metals Refinery | Columbus | 20–99 | LIKELY ACTIVE |
| Stillwater Mining CO Smelter | Columbus | — | LIKELY ACTIVE |
| Smc Precious Metals Smelter & Base Metal Refy | Columbus | — | UNVERIFIED |
| Columbus Processing Facility | Columbus | — | UNVERIFIED |
| Stillwater Mining Company | Columbus | — | UNVERIFIED |
| Stillwater Mining CO Smelter | Columbus | — | UNVERIFIED |
All primary metal manufacturing nationwide · All manufacturing in Montana