The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is JRN. This MIC (JRN) stands for the company name Bay Island Yachts (dba)michael R Clausen which is currently In Business. This boat manufacturer code has other company names (JRN sometimes goes by these name(s) if applicable: , , , or Jim Caldwell Racing - Oob). This could happen if the US Coast Guard reissued the MIC to a new company after the first went out of business.
This company (Bay Island Yachts (dba)michael R Clausen) is owned by Michael R Clauson and is located at 2099 Grand St in Alameda 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. Bay Island Yachts (dba)michael R Clausen has started making boats, yachts or other watercraft as of 6/7/2011.
More details at the US Coast Guard.
The US Coast guard provides this comment about this watercraft manufacturer: 14 To 40' I/b And O/b Racing Boats011288 Oob. Jim Caldwell Racing (winter Haven Fl) Ib-9/13/1984 Oob-1/12/1988.