| Business | Phone |
| Dynamo Electric Llc 9327 Ramblebrook Rd, Nottingham 21236 | (410) 529-1341 |
| James R Vittek Electric 4109 Perry View Rd, Nottingham 21236 | (410) 675-8751 |
| Tristate Electrical Nottingham 21236 | (443) 678-1001 |
| Tristate Electrical Inc 8009 Corporate Dr, Nottingham 21236 | (410) 248-3400 |