| Business | Phone |
| Dominion Electric Supply Inc 14605 Lee Jackson Memorial Hwy, Chantilly 20151 | (703) 631-8300 |
| Graybar Electric Co 4106 Westfax Dr, Chantilly 20151 | (703) 631-8600 |
| Interstate Lighting & Electric 14110 Sullyfield Cir, Chantilly 20151 | (703) 802-8777 |
| Honeywell Consumer Products 43328 Middlecoff Ln, Chantilly 20152 | (703) 327-0042 |