| Business | Phone |
| Alta Systems 9302 Lee Hwy 401, Fairfax 22031 | (703) 279-1768 |
| Teoco Corp 12150 Monument Dr, Fairfax 22033 | (703) 322-9200 |
| Figel Technologies Intl 3574 University Dr, Fairfax 22030 | (703) 691-8585 |
| Highco Technology Llc 10400 Eaton Pl, Fairfax 22030 | (703) 273-6001 |
| Information Analysis Inc 11240 Waples Mill Rd 201, Fairfax 22030 | (703) 383-3000 |
| Perficient 11166 Fairfax Blvd 302, Fairfax 22030 | (703) 385-1988 |
| Tech International 12701 Fair Lakes Cir 550, Fairfax 22033 | (703) 631-6895 |