| Pfund Construction | Edwardsville,IL 62025 | (618) 692-9502 | |
| Shores Builders, Inc. | Centralia,IL 62801 | (618) 532-3997 | (618) 532-9719 |
| Korte & Luitjohan Contractors, | Highland,IL 62249 | (618) 654-9877 | (618) 654-9778 |
| Fager-McGee Commercial Constru | Murphysboro,IL 62966-1239 | (618) 687-3900 | (618) 687-3639 |
| Schomburg & Schomburg Construc | Danville,IL 61832 | (217) 442-3002 | (217) 442-0110 |
| Traffic Control Company | Valley Park,MO 63088 | (636) 225-7800 | (636) 225-3460 |
| IMPACT Strategies, Inc. | Fairview Heights,IL 62208 | (618) 394-8400 | (618) 394-1428 |
| J & L Robinson Development & C | Carbondale,IL 62901-5509 | (618) 549-3391 | (618) 457-4324 |
| Central Rubber Extrusions of I | Highland,IL 62249 | (618) 654-1171 | (618) 654-7453 |
| G.S. & S. Construction | Brentwood,MO 63144 | (314) 298-8100 | (314) 298-8129 |
| Holland Construction Services, | Swansea,IL 62226 | (618) 277-8870 | (618) 277-6823 |
| Ross Construction, Inc. | Marion,IL 62959 | (618) 993-5904 | (618) 993-5624 |