The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is GVT. This MIC (GVT) stands for the company name Gronquist Mfg Co which is currently Out of Business. This boat manufacturer code has other company names (GVT 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 (Gronquist Mfg Co) is owned by and is located at Rfd N Us 1 in Tomoka Estate state of Fl. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Gronquist Mfg Co has started making boats, yachts or other watercraft as of and went out of business on (8/15/1979) in the following country: USA.
More details at the US Coast Guard.