The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is CTZ. This MIC (CTZ) stands for the company name Connecticut Homemade Boats which is currently Federal or State Agency. This boat manufacturer code has other company names (CTZ 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 (Connecticut Homemade Boats) is owned by and is located at Mic For State Issued Hins in state of Ct. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Connecticut Homemade Boats has started making boats, yachts or other watercraft as of and went out of business on () in the following country: USA.
More details at the US Coast Guard.