The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is GNU. This MIC (GNU) stands for the company name Gannon's Custom Boats which is currently Out of Business. This boat manufacturer code has other company names (GNU 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 (Gannon's Custom Boats) is owned by Gannon, J P and is located at 4291 Golden West Ave in Riverside state of Ca. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Gannon's Custom Boats has started making boats, yachts or other watercraft as of 6/25/1979 and went out of business on (4/12/1982) in the following country: USA.
More details at the US Coast Guard.