The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is BYM. This MIC (BYM) stands for the company name Bertram Yachts Llc which is currently In Business. This boat manufacturer code has other company names (BYM sometimes goes by these name(s) if applicable: , , , or Bay Shore Mrne Basin (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 (Bertram Yachts Llc) is owned by Francesco Reisoli and is located at 5250 W Tyson Ave in Tampa state of Fl. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Bertram Yachts Llc has started making boats, yachts and other watercraft as of 8/31/2016.
More details at the US Coast Guard.
The US Coast guard provides this comment about this watercraft manufacturer: Rpt Oob By Mio Ny 23 Sep 91.