| Business | Phone |
| Advanced Communications 4600 Glenwood Cir, Fredericksburg 22408 | (540) 368-1800 |
| Communications By Design Llc 12617 Trench Hill Ln, Fredericksburg 22407 | (540) 785-4770 |
| Compliant Networks & Pc 11901 Bowman Dr # 106, Fredericksburg 22408 | (540) 548-8989 |
| Infotel Systems Inc Fredericksburg 22401 | (540) 373-5540 |