| Company Name | Total Workers | Location(s) |
|---|---|---|
| Caterpillar, Inc. | 1,250 | Pontiac |
| Vactor | 725 | Streator |
| OSF Saint James Hospital | 375 | Pontiac |
| Sheridan Pontiac | 350 | Streator |
| Interlake Mecalux, Inc. | 230 | Pontiac |
| Walmart | 188 | Pontiac |
| Selig Sealing Products | 188 | Forrest |
| Fairview Haven | 188 | Fairbury |
| Evenglow Senior Living | 174 | Pontiac |
| Bank of Pontiac | 120 | Pontiac |
| Manpower | 112 | Pontiac |
| U.S. Foods | 109 | Streator |
| Futures Unlimited | 100 | Pontiac |
| Technical Metals | 95 | Fairbury |
| Dave’s Supermarket | 85 | Fairbury |
| PTC Steel | 82 | Fairbury |
| Quantix | 80 | Streator |
| Alloy Specialties | 80 | Blackstone |
| Anthony Liftgates | 75 | Pontiac |
| Quanex | 75 | Chatsworth |