| Business | Phone |
| Abbington Homes-Aberdeen 4 Cameron Ct, O Fallon 63368 | (636) 379-9959 |
| Able Mortgage 1080 Terra Ln, O Fallon 63366 | (636) 474-2253 |
| Assist 2 Sell 204 W Pitman St # E, O Fallon 63366 | (636) 978-5326 |
| B & B Realty 803 E Terra Ln, O Fallon 63366 | (636) 272-7702 |
| Vickers Real Estate 1062 Fawn Ridge Dr, O Fallon 63366 | (636) 272-6255 |
| Wabash Realty Co 206 W Terra Ln, O Fallon 63366 | (636) 272-4234 |
| United Realty 300 Fort Zumwalt Sq, O Fallon 63366 | (636) 240-1558 |
| Prudential Patterson 2421 Highway K, O Fallon 63368 | (636) 978-7100 |
| Re/Max Team 2922 Highway K, O Fallon 63368 | (636) 978-7595 |
| Reisch Haley Properties 4122 Keaton Crossing Blvd #104, O Fallon 63368 | (636) 300-0222 |
| Premium Homes 1095 Sir Lancelot Pl, O Fallon 63366 | (636) 978-7011 |
| Oliver Properties 402 Imperial Ct, O Fallon 63366 | (636) 240-4309 |
| Midwest Diversified Properties 315 Woodlawn Ave, O Fallon 63366 | (636) 240-8722 |
| Miltenberger Property Inc 503 S Main St, O Fallon 63366 | (636) 272-4413 |
| Manderly Properties 18 Manderly Place Dr, O Fallon 63366 | (636) 978-2032 |
| Luetkenhaus Properties Inc 1120 Rock Creek Elementary Dr, O Fallon 63366 | (636) 272-4200 |
| Joe Mintert Realty 407 Saint John Dr, O Fallon 63366 | (636) 272-6739 |
| Hastings Real Estate 203 Raymond Dr, O Fallon 63366 | (636) 240-8661 |
| Epic Real Estate Svc Corp 856 Brookmead Dr, O Fallon 63366 | (314) 304-7288 |
| Exit Home Realty 4275 Keaton Crossing Blvd, O Fallon 63368 | (636) 720-2500 |
| Coldwell Banker Gundaker 2 Crossroads Plz, O Fallon 63368 | (636) 379-8500 |