| Business | Phone |
| Wireless Connections 200 Alton Sq, Alton 62002 | (618) 465-2225 |
| Wireless Tech Group Llc 317 Homer M Adams Pkwy H, Alton 62002 | (618) 465-2000 |
| Radio Shack 204 Alton Sq, Alton 62002 | (618) 462-3111 |
| Red Skye Wireless 200 Alton Sq, Alton 62002 | (618) 465-1048 |