| Business | Phone |
| Big Sky Inc 9439 Main St, Manassas 20110 | (703) 365-0021 |
| Casi-Rusco 7779 Fern Oak Ct, Manassas 20112 | (703) 794-1307 |
| Computer Systems Group 13008 Bow Hunter Ct, Manassas 20112 | (703) 794-9371 |
| Galaxy Computer Svc 10366 Battleview Pkwy, Manassas 20109 | (703) 430-4379 |