The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is YMM. This MIC (YMM) stands for the company name Mahone Bay Boatworks which is currently In Business. This boat manufacturer code has other company names (YMM 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 (Mahone Bay Boatworks) is owned by Peter Ronald Redden and is located at Po Box 146 788 Main Street in Mahone Bay state of Ns. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Mahone Bay Boatworks has started making boats, yachts or other watercraft as of 1/21/2010.
More details at the US Coast Guard.