| Business | Phone |
| Barton-O'Daniels Homes Llc 1085 E Terra Ln, O Fallon 63366 | (636) 978-4613 |
| Blunt Contracting O Fallon 63366 | (636) 240-0185 |
| Builder's Bloc 1302 Rustique Sq, O Fallon 63368 | (636) 498-5522 |
| C J Contracting O Fallon 63366 | (636) 240-5891 |
| Triad Development 135 Triad Ctr W, O Fallon 63366 | (636) 936-2255 |
| United Constructions 3845 Corporate Centre Dr, O Fallon 63368 | (636) 329-0057 |
| Schulte Construction Inc 111 N Main St, O Fallon 63366 | (636) 272-3668 |
| Richbuilt Remodeling 1805 Everest Ave, O Fallon 63366 | (314) 713-1388 |
| Rnt Contracting Inc 511 Charles Dr, O Fallon 63366 | (636) 978-3571 |
| Rosa Construction Co 124 Lamplighter Way, O Fallon 63368 | (636) 978-3012 |
| R & R Contracting Inc Po Box 123, O Fallon 63366 | (636) 220-9200 |
| Recon Construction O Fallon 63366 | (636) 561-3699 |
| Rich Sommer Construction Co 1089 Hackmann Rd, O Fallon 63366 | (636) 281-1771 |
| Perfect Construction Inc O Fallon 63366 | (636) 978-1688 |
| Paric Corp 1001 Boardwalk Springs Pl, O Fallon 63368 | (636) 561-9500 |
| Mid America Concrete O Fallon 63366 | (636) 978-2101 |
| Lammert Commercial Steam 7 Falling Leaf Dr, O Fallon 63367 | (636) 332-1111 |