Primary metals manufacturers in Colorado
Colorado has 27 primary metals establishments employing 1,842 people (Census, 2023), and EPA's ECHO database lists 29 active primary metals facilities in the state. By employment it is Colorado's number 15 manufacturing industry, and Colorado ranks number 34 among states for it.
- NAICS subsector
- 331
- Primary Metal Manufacturing
- Establishments
- 27
- Census 2023
- Employees
- 1,842
- Census 2023
- In EPA records
- 29
- With a page here
- 2
- Revised
- November 11, 2026
Primary metals factories with a page
| Facility | What it makes (NAICS) | City |
|---|---|---|
| Golden Aluminum Inc. - Fort Lupton Mill | Aluminum Sheet, Plate, and Foil Manufacturing | Fort Lupton |
| Rocky Mountain Steel Mill | Iron and Steel Mills and Ferroalloy Manufacturing | Pueblo |
These are the Colorado primary metals facilities that report to EPA's Toxics Release Inventory. The other 27 in EPA records don't have a page yet.
What these factories make
- Aluminum Sheet, Plate, and Foil Manufacturing (NAICS 331315): 1 facility
- Secondary Smelting and Alloying of Aluminum (NAICS 331314): 1 facility
- Aluminum Foundries (except Die-Casting) (NAICS 331524): 1 facility
- Iron and Steel Mills and Ferroalloy Manufacturing (NAICS 331110): 1 facility
Where they cluster
Cities with the most active primary metals facilities in EPA records: Englewood (5), Pueblo (5), Denver (3), Colorado Springs (2), Loveland (2).
Primary metals manufacturing across the US. Everything made in Colorado.