| Business | Phone |
| L K Deal 1500 Oldbury Dr, Fort Washington 20744 | (301) 248-1340 |
| Meredith Electrical Svc Fort Washington 20744 | (301) 248-0432 |
| B & M Electric 10234 Roland Ln, Fort Washington 20744 | (301) 248-4040 |
| Technology Service Group 1620 Old Piscataway Rd, Fort Washington 20744 | (301) 203-8475 |
| Unique Electrical Svc 9709 Rider Ct, Fort Washington 20744 | (301) 248-9753 |
| Empower Electric Po Box 441902, Fort Washington 20749 | (301) 203-3000 |
| Facen Electric Co 1047 Skip Jack Dr, Fort Washington 20744 | (301) 292-1300 |