| Business | Phone |
| Boyland Electric Inc 21030 Frederick Rd, Germantown 20876 | (301) 972-5337 |
| D & M Electric 19343 Archdale Rd, Germantown 20876 | (301) 916-1283 |
| D & R Electric Inc 19532 Amaranth Dr, Germantown 20874 | (301) 540-4319 |
| Electrical Services Unlimited 20512 Boland Farm Rd, Germantown 20876 | (301) 601-0181 |
| Germantown Electrical Contr 19209 Germantown Rd, Germantown 20874 | (301) 428-9060 |
| Gregory Greene Electric Inc 10729 Wayfarer Rd, Germantown 20876 | (301) 428-3348 |
| Holt Electrical Svc Germantown 20874 | (301) 428-3197 |