The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is ISM. This MIC (ISM) stands for the company name Independence Seaport Museum which is currently In Business. This boat manufacturer code has other company names (ISM sometimes goes by these name(s) if applicable: Island Star Marine (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 (Independence Seaport Museum) is owned by Jeff Huffenberger and is located at 211 South Columbus Blvd in Philadelphia state of Pa. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Independence Seaport Museum has started making boats, yachts or other watercraft as of 12/18/2009.
More details at the US Coast Guard.
The US Coast guard provides this comment about this watercraft manufacturer: Mfg: 45-60' Sailboatsray Merrill Sold This Company 06/85see 'mil'oob 031987 Mls:ncurrent-890822. Island Star Marine (gulfport Ms) Ib-1/18/1983 Oob-2/12/1987.