| Business | Phone |
| Crowder Corp 13455 Sunrise Valley Dr, Herndon 20171 | (703) 793-1555 |
| Faltz Inc 2705 Floris Ln, Herndon 20171 | (703) 435-7511 |
| G S Weller Electric Inc 11608 Leesburg Pike, Herndon 20170 | (703) 430-7270 |
| Wiggins Electric 12005 Heather Down Dr, Herndon 20170 | (703) 435-3345 |
| Jsc Electric Svc Co 866 Station St, Herndon 20170 | (703) 689-3656 |
| Live Wire Electric Svc Inc Po Box 710001, Herndon 20171 | (703) 713-1588 |