| Howell Paving, Inc. | Mattoon,IL 61938 | (217) 234-8877 | (217) 234-4226 |
| Hank's Excavating & Landscapin | Belleville,IL 62223 | (618) 398-5556 | (618) 398-2729 |
| Payne Construction Services, L | Bunker Hill,IL 62014 | (618) 585-3447 | |
| The Kilian Corporation | Mascoutah,IL 62258 | (618) 566-2000 | (618) 566-9532 |
| J.K. Trotter & Sons, Inc. | Mount Vernon,IL 62864 | (618) 237-7611 | |
| Stutz Excavating, Inc. | Alton,IL 62002 | (618) 259-2485 | (618) 259-2465 |
| Mt. Carmel Stabilization Group | Mount Carmel,IL 62863-0458 | (618) 262-5118 | (618) 263-4084 |
| White Construction, L.L.C. | Springfield,IL 62702 | (217) 753-0027 | |
| Baxmeyer Construction, Inc. | Waterloo,IL 62298 | (618) 939-3000 | (618) 939-4299 |
| Byrne & Jones Construction | Bridgeton,MO 63044 | (314) 567-7997 | (314) 567-1828 |
| Turman Contracting, L.L.C. | Jerseyville,IL 62052 | (618) 498-7308 | (618) 556-3357 |
| Keller Construction, Inc. | Glen Carbon,IL 62034-2915 | (618) 656-0033 | (618) 656-2310 |
| Keeley & Sons, Inc. | East Saint Louis,IL 62201 | (618) 271-7470 | (618) 271-0830 |
| Luby Equipment Services | Fairmont City,IL 62201 | (618) 397-9971 | |
| DeLaurent Construction Company | Wilsonville,IL 62093 | (217) 835-4861 | (217) 835-6629 |