| Business Name | Address | |
| Erin Electric Inc | 1109 Bernoudy Rd White Hall, MD 21161 |
 |
| Denny's Electrical Svc | 4 Glen Dairy Ct Parkton, MD 21120 |
|
| Craig Electric | 7 Ellens Choice Way Parkton, MD 21120 |
|
| Glen-Mar Electric Inc | 18223 Foreston Rd Parkton, MD 21120 |
|
| Drw Inc | PO Box 292 Maryland Line, MD 21105 |
|