Manufacturing in Warren County, Illinois
The register lists 20 facilities across 4 cities in Warren, Illinois as of 2026.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and benchmark
Biggest cities
Facilities14 FACILITIES
| Facility | City | Industry | NAICS | Employees | Status |
|---|---|---|---|---|---|
| Smithfield Monmouth Fresh Meats | Monmouth | Food Manufacturing | 311611 | 500+ | ACTIVE |
| Smithfield Fresh Meats CORP | Monmouth | Food Manufacturing | 311611 | — | LIKELY ACTIVE |
| Midwestern Pet Foods, Inc. - Monmouth | Monmouth | Food Manufacturing | 311111 | 100–499 | LIKELY ACTIVE |
| Group Materials INC | Monmouth | Petroleum and Coal Products Manufacturing | 324121 | — | LIKELY ACTIVE |
| Envision Boats INC | Monmouth | Transportation Equipment Manufacturing | 336612 | — | UNVERIFIED |
| Lci Concrete INC | Monmouth | Petroleum and Coal Products Manufacturing | 324121 | — | UNVERIFIED |
| Wells Pet Food CORP | Monmouth | Food Manufacturing | 311111 | — | UNVERIFIED |
| Ws INC of Monmouth Dba/ Western Stoneware | Monmouth | Nonmetallic Mineral Product Manufacturing | 327110 | — | UNVERIFIED |
| Americold Logistics, LLC | Monmouth | — | — | — | LIKELY ACTIVE |
| Monmouth | Monmouth | Primary Metal Manufacturing | 331210 | 1–19 | LIKELY ACTIVE |
| Beck Oil CO | Monmouth | Miscellaneous Manufacturing | 339999 | — | UNVERIFIED |
| Monmouth Ready Mix CORP | Monmouth | Nonmetallic Mineral Product Manufacturing | 327320 | — | UNVERIFIED |
| Munson Warehouse Services | Monmouth | Miscellaneous Manufacturing | 339999 | — | UNVERIFIED |
| Triple E Convenience LLC | Monmouth | Miscellaneous Manufacturing | 339999 | — | UNVERIFIED |