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
Facilities3 FACILITIES
| Facility | City | Industry | NAICS | Employees | Status |
|---|---|---|---|---|---|
| 3333 Foods | Roseville | Food Manufacturing | 311612 | — | LIKELY ACTIVE |
| Fusion Tech Integrated Inc. | Roseville | Fabricated Metal Product Manufacturing | 332313 | 100–499 | LIKELY ACTIVE |
| Ideal Ready Mix | Roseville | Nonmetallic Mineral Product Manufacturing | 327320 | — | UNVERIFIED |