| Business | Phone |
| A T & T Security Systems 2655 Duke St, Alexandria 22314 | (703) 683-4600 |
| Fiber Plus 5712 General Washington Drh, Alexandria 22312 | (703) 256-6802 |
| Wilcom Inc 2121 Eisenhower Ave # 200, Alexandria 22314 | (703) 519-1757 |
| Sun Express Llc 3406 Commonwealth Ave, Alexandria 22305 | (703) 837-1888 |
| Templeton Entry Phone 250 S Reynolds St, Alexandria 22304 | (703) 567-3830 |
| Mci 1316 Mount Vernon Ave, Alexandria 22301 | (703) 706-0497 |
| Infone Corp 400 Madison St, Alexandria 22314 | (703) 519-3999 |
| Granite Telecomm Va 4141 Duke St, Alexandria 22304 | (703) 212-0905 |
| Fibergate Inc 6076 Franconia Rd, Alexandria 22310 | (703) 822-9740 |
| Wireless Innovations Alexandria 22310 | (703) 778-2777 |
| Inter Voice-Brite Inc 1905 Westfield St, Alexandria 22308 | (703) 619-1600 |
| Mid Atlantic Communications Alexandria 22309 | (703) 799-7047 |