| Business | Phone |
| Computer Sciences Corp 15000 Conference Center Dr, Chantilly 20151 | (703) 818-4000 |
| Fuentez Systems Concepts Inc 4501 Singer Ct, Chantilly 20151 | (703) 961-1223 |
| Gtsi Corp 3901 Stonecroft Blvd, Chantilly 20151 | (703) 502-2000 |
| Wave Technologies Inc 4465 Brookfield Cor Dr 200a, Chantilly 20151 | (703) 263-0131 |