| Business | Phone |
| Aneco Electrical Construction 44901 Falcon Pl, Sterling 20166 | (703) 435-6775 |
| Beckstrom Electric Co 45714 Oakbrook Ct 180, Sterling 20166 | (703) 404-8100 |
| Buhl Electric Co Inc 1304 Severn Way F, Sterling 20166 | (703) 450-2100 |
| Burnett & Jensen Corp Electric 45681 Oakbrook Ct, Sterling 20166 | (703) 724-4175 |
| C & G Electrical Svc Inc 504 Shaw Rd, Sterling 20166 | (703) 444-8597 |
| Capstone Electric Co Inc 314 E Staunton Ave, Sterling 20164 | (703) 481-8700 |
| Coastal Electric Corp 22854 Bryant Ct 111, Sterling 20166 | (703) 471-7166 |
| Valley Electrical Svc 45935 Maries Rd 180, Sterling 20166 | (703) 444-0810 |
| Tvm Electric Co 504 Shaw Rd 209, Sterling 20166 | (703) 787-9925 |
| Twa Electric Inc 116 Ruritan Rd, Sterling 20164 | (703) 450-4231 |
| Twa Electric Inc 207 E Holly Ave, Sterling 20164 | (703) 450-9253 |
| T & M Electric Inc 45000 Underwood Ln # J, Sterling 20166 | (703) 481-9733 |
| Dms Electric Co 228 Greenfield Ct, Sterling 20164 | (703) 444-6687 |
| Stover Electric 22211 Stablehouse Dr, Sterling 20164 | (703) 430-8119 |
| Dulles Technologies Llc 22611 Markey Ct 107, Sterling 20166 | (571) 434-0453 |
| Dynatran 22930 Shaw Rd 100, Sterling 20166 | (703) 742-3500 |
| Dynalectric Co 109 Executive Dr D, Sterling 20166 | (703) 318-7103 |
| Electrical General Corp 22712 Commerce Center Ct 142, Sterling 20166 | (703) 996-8880 |
| Heritage Electric Svc Sterling 20164 | (703) 444-4926 |
| Herring Electric Co 45681 Oakbrook Ct 106, Sterling 20166 | (703) 406-3204 |
| Huntington Electric Co 45456 Lakeside Dr, Sterling 20165 | (703) 406-3511 |
| Jfr Electric Inc 1007 Ruritan Cir A, Sterling 20164 | (703) 444-9617 |
| Murphy Electric Co 22863 Bryant Ct 108, Sterling 20166 | (703) 435-1920 |
| Jtg Electric Co 9 Douglas Ct G, Sterling 20166 | (703) 689-0029 |
| Kolb Electric Sterling 20164 | (703) 444-2624 |
| Mid-Atlantic Power Specialist 114 Oakgrove Rd 103, Sterling 20166 | (703) 471-9773 |
| Loudoun Electrical 22611 Markey Ct 104, Sterling 20166 | (703) 406-8510 |
| Mac General 111 Carpenter Dr G, Sterling 20164 | (703) 707-0606 |