| Business | Phone |
| Bertels Development Group 22 Ginger Creek Pkwy, Glen Carbon 62034 | (618) 692-6688 |
| Sheppard Construction Glen Carbon 62034 | (618) 288-2020 |
| Skyline Homes 14 Kingsbury Ct, Glen Carbon 62034 | (618) 288-9550 |
| Rmh Construction Inc 1 Matterhorn Dr, Glen Carbon 62034 | (618) 288-5656 |
| Mc Kinney Homes 22 Glen Ed Professional Park, Glen Carbon 62034 | (618) 659-1081 |