| Business | Phone |
| Aegis Corp 614 Dartmouth Terrace Ct, Ballwin 63011 | (636) 273-1011 |
| Autco Cellular 15471 Manchester Rd, Ballwin 63011 | (636) 779-8000 |
| Radioshack Cellular 13831 Manchester Rd, Ballwin 63011 | (314) 822-1850 |
| Custom Cellular 15425 Manchester Rd, Ballwin 63011 | (636) 207-0341 |