| Business | Phone |
| C-One Alexandria 22304 | (703) 370-8882 |
| Common Cents Cabling Po Box 2403, Alexandria 22301 | (703) 960-2046 |
| Integration Specialist Inc 66 Canal Center Plz, Alexandria 22314 | (703) 706-9000 |
| Hughes Communications 5251 Mitchell St, Alexandria 22312 | (703) 354-4528 |