| Business Name | Address | |
| De Vary Electric | 3872 N Dupont Hwy Dover, DE 19901 |
 |
| H & A Electric | 59 Roosevelt Ave Dover, DE 19901 |
|
| Diamond Electric Inc | 3566 Peachtree Run Rd Dover, DE 19901 |
|
| Tudor Electric Inc | 801 Otis Dr Dover, DE 19901 |
|
| Pardee Electric | 5140 S State St Magnolia, DE 19962 |
|