| Business | Phone |
| Altro Ltd 526 N Fayette St, Alexandria 22314 | (703) 683-4993 |
| Computer Services 5500 Cherokee Ave, Alexandria 22312 | (703) 860-8870 |
| Data Research Analysis Co 1555 King St 300, Alexandria 22314 | (703) 299-0700 |
| Thruport Tech 5440 Cherokee Ave, Alexandria 22312 | (703) 914-9700 |
| Ogatech Llc 621 King St 300, Alexandria 22314 | (703) 683-3430 |
| Mpri Inc 1201 E Abingdon Dr 425, Alexandria 22314 | (703) 684-0853 |
| I T Zone Corp 25 S Quaker Ln, Alexandria 22314 | (703) 751-3100 |
| Halifax Corp 5250 Cherokee Ave, Alexandria 22312 | (703) 750-2202 |
| Beacon Computer Svc 6611 Glassell Ct, Alexandria 22310 | (703) 768-4957 |