| Business | Phone |
| C T Electrical Corp Inc 2500 Coxshire Ln, Davidsonville 21035 | (301) 261-3341 |
| Charlie Mann Electric 2413 Fox Creek Ln, Davidsonville 21035 | (301) 262-0105 |
| Donovan Electric 1029 Ashe St, Davidsonville 21035 | (410) 956-5320 |
| James W Duckett Elec Contr 458 W Central Ave, Davidsonville 21035 | (410) 956-3389 |