1. Oceantronics Inc 711 N Nimitz Hwy, Honolulu, HI 96817 Coordinate: 21.31286,-157.87106 Phone: (808) 522-5600
2. Navtech Marine Electronics 293 Kalihi St, Honolulu, HI 96819 Coordinate: 21.32356,-157.88242 Phone: (808) 848-7600