The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is GKZ. This MIC (GKZ) stands for the company name Steinhatchee Boat Works which is currently In Business. This boat manufacturer code has other company names (GKZ 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 (Steinhatchee Boat Works) is owned by Charles Vaughn and is located at Po Box 522 in Steinhatchee 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. Steinhatchee Boat Works has started making boats, yachts or other watercraft as of 11/18/2002.
More details at the US Coast Guard.
The US Coast guard provides this comment about this watercraft manufacturer: Makes A Boat Brand: Chumanda Craft.