Primary Metal Manufacturing in Colorado
NAICS 331 · CO
This register lists 96 facilities in Colorado. The Bureau of Labor Statistics counted 40 establishments in the Primary Metal Manufacturing industry in Colorado. CF&I Steel LP dba Rocky Mountain Steel Mills, located in Pueblo, employed 1181 people in 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in Colorado9 FACILITIES
Listing 9 of 11: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Heritage Die Casting Company, INC. | Denver | 1–19 | ACTIVE |
| Zimmerman Metals INC | Denver | 20–99 | LIKELY ACTIVE |
| Accu-Tube - Denver | Denver | 20–99 | LIKELY ACTIVE |
| Acme Manufacturing CO | Denver | 100–499 | LIKELY ACTIVE |
| Acme Foundry INC | Denver | — | UNVERIFIED |
| Atlas Metal & Iron CORP | Denver | — | UNVERIFIED |
| Atlas Metals & Iron CORP | Denver | — | UNVERIFIED |
| Iron & Metals INC | Denver | — | UNVERIFIED |
| DualDraw, LLC | Denver | 1–19 | UNVERIFIED |
All primary metal manufacturing nationwide · All manufacturing in Colorado