| Business | Phone |
| A A Telephony Inc 3031 Manor Rd, Falls Church 22042 | (703) 876-9748 |
| Ax Telecommunications 5201 Leesburg Pike # 1003, Falls Church 22041 | (703) 933-1200 |
| Dmv Phone Card Inc 5881 Leesburg Pike, Falls Church 22041 | (703) 820-6142 |
| Easy & Kosh Inc 6521 Arlington Blvd, Falls Church 22042 | (703) 536-9400 |
| Masergy Communications 2901 Telestar Ct, Falls Church 22042 | (703) 846-0510 |
| Meridian Interactive Comms Inc 5205 Leesburg Pike, Falls Church 22041 | (703) 336-6868 |
| Metropolitan Fiber Systems Icc Falls Church 22043 | (703) 847-2606 |