| Atlas Cartage Inc | 319-233-4548 | 3470 W Airline Hwy | Waterloo | IA | 50703 |
| Bw Contractors | 319-233-1350 | 4404 Ansborough Ave | Waterloo | IA | 50701 |
| C & C Oil Corp/Ottsen Oil Co Inc | 319-234-7517 | 626 N Elk Run Rd | Waterloo | IA | 50703 |
| Ica Products | 319-242-8210 | 111 2nd Ave S | Clinton | IA | 52732 |
| Iowa Correctional Facilities Field Services | 319-351-5500 | 2501 Holiday Rd | Coralville | IA | 52241 |
| Kelly Heating & Oil Co Inc | 319-243-3823 | 130 2nd Ave S | Clinton | IA | 52732 |
| Ottsen Oil Co Inc | 319-364-1531 | 1041 10th St SW | Cedar Rapids | IA | 52404 |
| Rock Valley Oil & Chemical Co | 319-323-7625 | 4611 Buckeye St | Davenport | IA | 52802 |
