The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is HWH. This MIC (HWH) stands for the company name Hawaiian Wave Ski which is currently Out of Business. This boat manufacturer code has other company names (HWH sometimes goes by these name(s) if applicable: , , , or ). This could happen if the US Coast Guard reissued the MIC to a new company after the first went out of business.
This company (Hawaiian Wave Ski) is owned by Steven K Ing and is located at 59456 Pupukea St in Haleiwa state of Hi. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Hawaiian Wave Ski has started making boats, yachts and other watercraft as of 3/20/1985 and went out of business on (10/11/1989) in the following country: USA.
More details at the US Coast Guard.