1. Hakalau Engineering 558 Kanoelehua Ave Ste 101, Hilo, HI 96720 Coordinate: 19.71332,-155.06458 Phone: (808) 961-6202
2. Engineering Partners 455 E Lanikaula St, Hilo, HI 96720 Coordinate: 19.70743,-155.06664 Phone: (808) 933-7900