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
Facilities2 FACILITIES
| Facility | City | Industry | NAICS | Employees | Status |
|---|---|---|---|---|---|
| Heat & Control | Galesburg | Machinery Manufacturing | 333241 | — | UNVERIFIED |
| Herr Petroleum CORP | Galesburg | Miscellaneous Manufacturing | 339999 | — | UNVERIFIED |