| Business | Phone |
| Computer & Network Solutions 5800 Quantrell Ave, Alexandria 22312 | (703) 395-5108 |
| Riptech 5568 General Washington Dr, Alexandria 22312 | (703) 373-5100 |
| Obsidian Group Inc 237 Somervelle St, Alexandria 22304 | (703) 461-3770 |
| Netchief 8109 Orville St, Alexandria 22309 | (703) 780-1276 |