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 Illinois384 FACILITIES
Listing 384 of 550: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Dart Casting, Inc. 124th Place | Alsip | 20–99 | LIKELY ACTIVE |
| Dura-Bar | Woodstock | 100–499 | LIKELY ACTIVE |
| Franklin Park | Franklin Park | 20–99 | LIKELY ACTIVE |
| Fulton | Chicago | 100–499 | LIKELY ACTIVE |
| Havana | Havana | 20–99 | LIKELY ACTIVE |
| Lapham-Hickey Steel Corp | Madison | 20–99 | LIKELY ACTIVE |
| Mapleton Foundry | Mapleton | 500+ | LIKELY ACTIVE |
| Masters & Alloy | Alsip | 1–19 | LIKELY ACTIVE |
| Mbaf | Blue Island | 20–99 | LIKELY ACTIVE |
| Metal Management Midwest, Inc (dba Sims Precious Metals) | Franklin Park | 20–99 | LIKELY ACTIVE |
| Monmouth | Monmouth | 1–19 | LIKELY ACTIVE |
| Naperville | Naperville | 500+ | LIKELY ACTIVE |
| Nelsen Steel Company | Franklin Park | 20–99 | LIKELY ACTIVE |
| Niagara LaSalle - South Holland Plant | South Holland | 20–99 | LIKELY ACTIVE |
| NORTH AMERICAN STAINLESS-Minooka | Minooka | 1–19 | LIKELY ACTIVE |
| O&k American - Chicago Plant | Chicago | 20–99 | LIKELY ACTIVE |
| Phoenix Global, LLC-Riverdale | Riverdale | 1–19 | LIKELY ACTIVE |
| Raw Material Inc. | Chicago Heights | 20–99 | LIKELY ACTIVE |
| Steel Warehouse of Illinois | Chicago | 20–99 | LIKELY ACTIVE |
| Trialco Aluminum, LLC | Chicago Heights | 20–99 | LIKELY ACTIVE |
| Tufts Grinding, Inc. | South Chicago Heights | 20–99 | LIKELY ACTIVE |
| United Scrap | Cicero | 1–19 | LIKELY ACTIVE |
| USMe DBA BLH Computers | Springfield | 1–19 | LIKELY ACTIVE |
| Voestalpine Nortrak | Decatur | 100–499 | LIKELY ACTIVE |
| Wheeling | Wheeling | 100–499 | LIKELY ACTIVE |
| Wieland Thermal Solutions, Inc. | Wheeling | 100–499 | LIKELY ACTIVE |
| Zekelman | Rochelle | 100–499 | LIKELY ACTIVE |
| Aluminum Castings CORP | Galesburg | 20–99 | UNVERIFIED |
| Cambridge Pattern Works | Cambridge | 1–19 | UNVERIFIED |
| EMS Industrial and Service Company | Richmond | 20–99 | UNVERIFIED |
| Kazmier Tooling Inc., | Chicago | 1–19 | UNVERIFIED |
| Peerless of America Ii, INC. | Effingham | 20–99 | UNVERIFIED |
| Quincy Foundry & Pattern INC | Quincy | 1–19 | UNVERIFIED |
| Trialco, INC. | Chicago Heights | 20–99 | UNVERIFIED |
All primary metal manufacturing nationwide · All manufacturing in Illinois
