Primary Metal Manufacturing in Maryland
NAICS 331 · MD
The register lists 37 facilities in Maryland. The Bureau of Labor Statistics counted 58 establishments in Maryland. CAMBRIDGE INTERNATIONAL, located in Cambridge, employed 136 people in 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in Maryland13 FACILITIES
Listing 13 of 18: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Danko Arlington, INC. | Baltimore | 20–99 | ACTIVE |
| Lacy Foundries LLC | Baltimore | 1–19 | ACTIVE |
| Marlin Steel Wire Products LLC | Baltimore | — | ACTIVE |
| Clendenin Brothers | Baltimore | 100–499 | LIKELY ACTIVE |
| Amg Resources CORP | Baltimore | — | LIKELY ACTIVE |
| Eastalco Aluminum Company | Baltimore | — | LIKELY ACTIVE |
| Elf Atochem North America, INC | Baltimore | — | UNVERIFIED |
| Halethorpe Extrusions Incorporated | Baltimore | — | UNVERIFIED |
| Maryland Recycling | Baltimore | — | UNVERIFIED |
| Mpa - Cox Creek | Baltimore | — | UNVERIFIED |
| Techalloy | Baltimore | — | UNVERIFIED |
| United Iron & Metal | Baltimore | — | UNVERIFIED |
| Worthington Steel Company the | Baltimore | — | UNVERIFIED |
All primary metal manufacturing nationwide · All manufacturing in Maryland