| Business Name | Address | |
| Industrial Contracting | Mountain View, HI 96771 |
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| Puna Electric Svc | PO Box 505 Kurtistown, HI 96760 |
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| Royal Hawaiian Electric | Hawaiian Paradise Park Keaau, HI 96749 |
|
| Lorenz Electric | 17-4061 Kuaaina Rd Keaau, HI 96749 |
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| Keaau Electric | PO Box 1897 Keaau, HI 96749 |
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