The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is GMC. This MIC (GMC) stands for the company name Royak Marine which is currently In Business. This boat manufacturer code has other company names (GMC sometimes goes by these name(s) if applicable: Grabienaur's Marine Co, Gemico Corp (oob), , 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 (Royak Marine) is owned by Steve Grabienaur and is located at 9091 Oak Avenue in Orangevale 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. Royak Marine has started making boats, yachts or other watercraft as of 8/23/1990.
Boat Recall details below and also at the US Coast Guard website.
The US Coast guard provides this comment about this watercraft manufacturer: Form Gemico Corp 63 Atlantic Ave, Boston, Ma 02110/oob 781026. 010821 Name Changed From Grabienaur's Marine To Royak Marine Per Rni; Old Address 9045 Auburn-folsom Rd, Roseville, Ca 95661..