| Business | Phone |
| Upcountry Electric Co 150 Haiku Rd, Haiku 96708 | (808) 575-2888 |
| Valley Isle Electric 25 Koi Koi Pl, Haiku 96708 | (808) 575-7812 |
| A Lopes Electrical Svc 33 Maluna Pl, Haiku 96708 | (808) 573-4990 |
| Accurate Electric 180 Peahi Rd, Haiku 96708 | (808) 575-9283 |
| Joni Jackson 385 Hahana Rd, Haiku 96708 | (808) 575-2568 |