| Business | Phone |
| Alexandria Lighting & Supply 701 N Henry St, Alexandria 22314 | (703) 548-2320 |
| Arcade Electronics Inc 5655 General Washington Drf, Alexandria 22312 | (703) 256-4610 |
| Capital Lighting & Supply Inc 3950 Wheeler Ave, Alexandria 22304 | (703) 823-6000 |
| Yes Electrical Supply Inc 6295 Edsall Rd, Alexandria 22312 | (703) 823-6603 |
| Thales North America Inc 675 N Washington St 400, Alexandria 22314 | (703) 838-9685 |
| Solid State Organ Systems 4900 Seminary Rd 560, Alexandria 22311 | (703) 933-0024 |