| Business | Phone |
| Global Communications Llc 4300 Chantilly Shopping Ctr, Chantilly 20151 | (703) 378-9600 |
| Indego Ctc Inc 13634 Poplar Tree Rd, Chantilly 20151 | (703) 830-0710 |
| Savvis Communications Data Ctr 4030 Lafayette Center Dr, Chantilly 20151 | (703) 488-9840 |
| Matrix Communication Inc 14103 Mariah Ct, Chantilly 20151 | (703) 263-0276 |
| Pingtone Communications 14320 Sullyfield Cir D, Chantilly 20151 | (703) 673-5200 |
| Msw Communications 13612 Ellendale Dr, Chantilly 20151 | (703) 818-2585 |
| Netifice Communications Corp 4605 Brookfield Corporate Dr, Chantilly 20151 | (703) 961-1900 |
| Foss Communications Inc 25394 Kettle Ln, Chantilly 20152 | (703) 327-4077 |