| Business Name | Address | |
| Branch Electric | 1717 Whitehead Rd Gwynn Oak, MD 21207 |
 |
| Tsc Electric Co | 1128 Brigadoon Trl Baltimore, MD 21207 |
|
| Urban Electric Co | 5003 Liberty Heights Ave Baltimore, MD 21207 |
|
| Chesapeake Technical Inc | 4900 Wetheredsville Rd Baltimore, MD 21207 |
|
| Bernard B Walpert | Baltimore, MD 21215 |
|