| Business | Phone |
| A M & Son Electric Inc 2300 York Rd # 208, Lutherville 21093 | (410) 252-3831 |
| Adam Service Co 1802 Dulaney Valley Rd, Lutherville 21093 | (410) 828-0990 |
| Clinton Electric Co 1850 York Rd # J, Lutherville 21093 | (410) 453-9800 |
| Winn Electric Co 3 Spring House Rd, Lutherville 21093 | (410) 484-5544 |