The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is GHM. This MIC (GHM) stands for the company name Granholm, Lars E which is currently Out of Business. This boat manufacturer code has other company names (GHM sometimes goes by these name(s) if applicable: Lars E Granholm, , , 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 (Granholm, Lars E) is owned by Lars Granholm and is located at 401 N Michigan Ave in Chicago-s2950 state of Il. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Granholm, Lars E has started making boats, yachts or other watercraft as of 12/12/1972 and went out of business on (6/22/1980) in the following country: USA.
More details at the US Coast Guard.
The US Coast guard provides this comment about this watercraft manufacturer: Was Employed By Boating Until Late 1982now Employed By The National Marine Manufacturers Assnbia Certifcation Program Manager - Suite 2950.