Primary Metal Manufacturing in Illinois
NAICS 331 · IL
This register lists 550 facilities in Illinois. The Bureau of Labor Statistics counted 336 establishments in the Primary Metal Manufacturing industry in Illinois in 2025. Mapleton Foundry in Mapleton employed 1,186 people in 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in Illinois13 FACILITIES
Listing 13 of 20: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Reynolds Consumer Products LLC | Lake Forest | — | ACTIVE |
| Horning Wire CORP | Lake Zurich | 20–99 | LIKELY ACTIVE |
| Maclean-fogg Component Systems | Mundelein | — | LIKELY ACTIVE |
| Nichols Aluminum LLC | Lincolnshire | — | LIKELY ACTIVE |
| Coleman Cable INC | Waukegan | — | UNVERIFIED |
| Lavin & Sons | North Chicago | — | LIKELY ACTIVE |
| Citation Dycast | Lake Zurich | — | UNVERIFIED |
| Coleman Cable INC | North Chicago | — | UNVERIFIED |
| Fansteel INC | North Chicago | — | UNVERIFIED |
| Federal Die Casting CORP | North Chicago | — | UNVERIFIED |
| Lake Shore Foundry CO INC | Waukegan | — | UNVERIFIED |
| Outboard Marine CORP. | Waukegan | — | UNVERIFIED |
| Precious Metal Refining Svcs INC | Wauconda | — | UNVERIFIED |
All primary metal manufacturing nationwide · All manufacturing in Illinois