| Business | Phone |
| Veterans Of Foreign Wars 5077 Old Highway 40, O Fallon 63366 | (636) 281-9218 |
| O'Fallon Business Assn 206 W Terra Ln, O Fallon 63366 | (636) 281-4756 |
| O'Fallon Community Athletic 315 E Elm St, O Fallon 63366 | (636) 281-1052 |
| Muscular Dystrophy Assn 2544 Highway K, O Fallon 63368 | (636) 379-4424 |
| Monticello Recreation Corp 2 Dunmore Cir, O Fallon 63368 | (636) 939-5540 |