| Business | Phone |
| Advanced Tel Com Group Inc 5175 Parkstone Dr, Chantilly 20151 | (703) 817-1548 |
| American Registry For Internet 3635 Concorde Pkwy, Chantilly 20151 | (703) 227-0650 |
| Clean Screen 4465 Brookfield Corporate Dr, Chantilly 20151 | (703) 378-7500 |
| Communication Technologies Inc 14151 Newbrook Dr 400, Chantilly 20151 | (703) 961-9080 |
| Vertical Symmetry 13906 Valley Country Dr, Chantilly 20151 | (703) 817-0807 |
| Vertical Symmetry Digital Chantilly 20151 | (703) 817-0807 |
| I'Centric Marketing Solutions 13439 Marble Rock Dr, Chantilly 20151 | (703) 472-1940 |
| Minerva Network Systems Inc 4100 Lafayette Center Dr, Chantilly 20151 | (703) 263-0796 |