The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is JMS. This MIC (JMS) stands for the company name Stello Marine Entrpr Inc which is currently Out of Business. This boat manufacturer code has other company names (JMS sometimes goes by these name(s) if applicable: J & M Stello Boat Co, Stello Marine, , 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 (Stello Marine Entrpr Inc) is owned by and is located at Po Box 367 in N Chatham state of Ma. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Stello Marine Entrpr Inc has started making boats, yachts or other watercraft as of 4/22/1981 and went out of business on (12/23/1983) in the following country: USA.
More details at the US Coast Guard.