| Business | Phone |
| Team Technology Inc 4031 University Dr 200, Fairfax 22030 | (703) 550-5525 |
| Columbia Services Group Inc 3975 Fair Ridge Dr N400, Fairfax 22033 | (703) 207-1000 |
| Computer Workshop Fairfax 22030 | (703) 385-9023 |
| Dewberry Technologies Inc 8403 Arlington Blvd, Fairfax 22031 | (703) 876-4760 |
| Emprisa Networks 10301 Democracy Ln, Fairfax 22030 | (703) 691-0433 |
| Fulton & Assoc Inc 10400 Eaton Pl, Fairfax 22030 | (703) 385-2190 |
| I T Consulting 12759 Misty Creek Ln, Fairfax 22033 | (703) 264-8868 |
| L4 Networks 2750 Prosperity Ave, Fairfax 22031 | (703) 849-9664 |
| Macro Systems Llc 3867 Plaza Dr, Fairfax 22030 | (703) 359-9211 |
| Network Cabling Products 8305 Merrifield Ave, Fairfax 22031 | (703) 641-9499 |
| Nyeba Networks 10306 Eaton Pl, Fairfax 22030 | (703) 691-8112 |
| Perot Systems Government Svc 8270 Willow Oaks Corporate Dr, Fairfax 22031 | (703) 289-8000 |
| Powertek Corp 3040 Williams Dr, Fairfax 22031 | (703) 849-8000 |
| Preferred Systems Solutions 3040 Williams Dr, Fairfax 22031 | (703) 663-2777 |
| Ronin Technologies 9411 Lee Hwy, Fairfax 22031 | (703) 352-1305 |
| Source Code Corp 4041 University Dr, Fairfax 22030 | (703) 278-9154 |
| Uni Compu 4101 Chain Bridge Rd, Fairfax 22030 | (703) 359-0699 |
| Syntegrity Networks Inc Fairfax 22031 | (703) 425-3078 |
| Gensys Fairfax 22032 | (703) 978-1990 |