The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is SIZ. This MIC (SIZ) stands for the company name Sea Crest Inc which is currently Out of Business. This boat manufacturer code has other company names (SIZ 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 (Sea Crest Inc) is owned by R J Loehr and is located at 119 Ne 1st St in Little Falls state of Mn. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Sea Crest Inc has started making boats, yachts or other watercraft as of 9/6/1983 and went out of business on (5/1/1985) in the following country: USA.
More details at the US Coast Guard.