| MKE Builders | West Frankfort,IL 62896 | (618) 515-5786 | |
| Harold O'Shea Builders | Springfield,IL 62711 | (217) 522-2826 | (888) 930-2009 |
| Energy Culvert Company, L.L.C. | Energy,IL 62933 | (618) 942-7381 | (618) 942-7834 |
| Negwer Materials, Inc. | Saint Louis,MO 63135 | (314) 522-0579 | (314) 522-1613 |
| Bevis Construction, Inc. | Mt. Vernon,IL 62864 | (618) 316-7007 | (618) 316-7009 |
| Southern Illinois Cabinets Doo | Mc Leansboro,IL 62859 | (618) 895-6500 | |
| Central Rubber Extrusions of I | Highland,IL 62249 | (618) 654-1171 | (618) 654-7453 |
| South Side Lumber, Inc. | Herrin,IL 62948 | (618) 942-3111 | (618) 988-1510 |
| WWCS, Inc. | Cottage Hills,IL 62018 | (618) 258-1222 | (618) 258-1444 |