| Business | Phone |
| Chieffo Electric Inc Hockessin 19707 | (302) 239-6106 |
| Cmi Electric Hockessin 19707 | (302) 239-5420 |
| Hockessin Electric Hockessin 19707 | (302) 239-9332 |
| Hounsell Electric Svc 735 Montgomery Woods Dr, Hockessin 19707 | (302) 239-7754 |
| Oxford Electric 1103 Brick Rd, Hockessin 19707 | (302) 239-9003 |
| R W Walker Electric 1014 Yorklyn Rd, Hockessin 19707 | (302) 239-1522 |