| Business | Phone |
| Oriole Electric Enterprise 8119 Alan Tree Rd, Baltimore 21237 | (410) 661-8700 |
| Dominion Electric Supply Co 4900 Ritchie Hwy, Baltimore 21225 | (410) 789-0500 |
| Gold Rock 221 N Howard St, Baltimore 21201 | (410) 547-7200 |
| Ideal Electrical 175 W Ostend St, Baltimore 21230 | (410) 576-6800 |
| Shepherd Electric Supply Co 7401 Pulaski Hwy, Baltimore 21237 | (410) 866-6000 |