| Business | Phone |
| Linear Technology Corp 7480 Bronson Way, Cumming 30041 | (770) 888-8137 |
| Communications Center Inc 4730 Hammond Industrial Dr100, Cumming 30041 | (770) 888-2000 |
| Communication Wiring & Access 505 Industrial Way, Cumming 30040 | (770) 360-0100 |
| Alternative Business Solutions 1385 Weber Industrial Dr, Cumming 30041 | (678) 513-7031 |