| Christ Brothers Asphalt, Inc. | Lebanon,IL 62254-1720 | (618) 537-6174 | (618) 537-6199 |
| The Kilian Corporation | Mascoutah,IL 62258 | (618) 566-2000 | (618) 566-9532 |
| J.K. Trotter & Sons, Inc. | Mount Vernon,IL 62864 | (618) 237-7611 | |
| Korte & Luitjohan Contractors, | Highland,IL 62249 | (618) 654-9877 | (618) 654-9778 |
| McCarthy Building Companies, I | Collinsville,IL 62234 | (618) 344-4142 | |
| Diekemper Excavating, L.L.C. | Carlyle,IL 62231 | (618) 594-3953 | |
| Red Dot Construction & Equipme | Chester,IL 62233-0308 | (618) 826-4045 | (618) 826-4241 |
| White Construction, L.L.C. | Springfield,IL 62702 | (217) 753-0027 | |
| Mott Excavating, Inc. | Vienna,IL 62995 | (618) 658-2605 | (618) 658-3214 |
| Turman Contracting, L.L.C. | Jerseyville,IL 62052 | (618) 498-7308 | (618) 556-3357 |
| Luby Equipment Services | Fairmont City,IL 62201 | (618) 397-9971 | |