| A.R. Martin Construction, L.L. | Stonefort,IL 62987 | (618) 841-8612 | |
| T & L Contracting, Inc. | Centralia,IL 62801 | (618) 533-0758 | (618) 533-0784 |
| E & A Excavating and Services, | Worden,IL 62097 | (217) 320-8614 | |
| Ron Hunsche Excavating, Inc. | Highland,IL 62249-1156 | (618) 654-4014 | (618) 654-6297 |
| K.R.B. Excavating, Inc. | Trenton,IL 62293 | (618) 623-9779 | |
| Tarlton Corporation | St. Louis,MO 63110 | (314) 633-3300 | (314) 647-1940 |
| Goodwin Brother's Construction | St. Louis,MO 63129 | (636) 931-6084 | (636) 931-6085 |
| Lake Contracting, Inc. | Addieville,IL 62214 | (618) 824-6522 | (618) 824-6521 |
| Samron Midwest Contracting, In | Murphysboro,IL 62966 | (618) 687-5500 | (618) 687-5153 |
| Limbaugh Construction Co., Inc | Granite City,IL 62040-6607 | (618) 931-3170 | (618) 931-3344 |
| Pfund Construction | Edwardsville,IL 62025 | (618) 692-9502 | |
| Kinney Contractors, Inc. | Raymond,IL 62560 | (217) 229-3322 | (217) 229-3609 |
| Ramirez Diversified Services, | Belleville,IL 62220 | (618) 416-5085 | |
| KCI Construction Company | St. Louis,MO 63132 | (314) 894-8888 | (314) 894-7418 |
| Bloomsdale Excavating Co., Inc | Bloomsdale,MO 63627 | (573) 483-2564 | (573) 483-9474 |