| Business | Phone |
| Aro Gas Inc 1811 Sherman Dr, St Charles 63303 | (636) 947-0255 |
| Casey's General Store 3601 Harry S Truman Blvd, St Charles 63301 | (636) 724-9757 |
| Thoele Oil Co 1703 N 4th St, St Charles 63301 | (636) 946-6306 |
| St Andrews Mini Mart 2000 Campus Dr, St Charles 63301 | (636) 940-7557 |
| Q Stop Ii 3799 Elm St, St Charles 63301 | (636) 916-0439 |
| Quik Trip 1640 S 5th St, St Charles 63303 | (636) 946-8141 |
| Quik Trip 225 N Kingshighway St, St Charles 63301 | (636) 947-8389 |
| Quik Trip 2255 Bluestone Dr, St Charles 63303 | (636) 916-5706 |
| Quik Trip 3889 Mexico Rd, St Charles 63303 | (636) 939-2665 |
| Quik Trip 5905 S Highway 94, St Charles 63304 | (636) 939-6688 |
| Moto Mart 1020 S 5th St, St Charles 63301 | (636) 940-9169 |
| Moto Mart 2801 N Highway 94, St Charles 63301 | (636) 940-5440 |
| Huck's Food & Fuel 1020 Country Club Rd, St Charles 63303 | (636) 724-6999 |
| Huck's Food & Fuel 2010 Campus Dr, St Charles 63301 | (636) 947-1766 |
| Harvestowne 66 4500 Parktowne Dr, St Charles 63304 | (636) 441-6332 |
| Fast Lane 2301 S Old Highway 94, St Charles 63303 | (636) 447-9930 |
| Convenient Food Mart 1525 Caulks Hill Rd, St Charles 63304 | (636) 928-2022 |
| Convenient Food Mart 2702 Droste Rd, St Charles 63301 | (636) 946-1122 |
| Convenient Food Mart 3401 Harry S Truman Blvd # 62, St Charles 63301 | (636) 946-0669 |
| Convenient Food Mart 3700 Elm St, St Charles 63301 | (636) 949-8996 |