The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is GMB. This MIC (GMB) stands for the company name Greene Marine (dba) which is currently In Business. This boat manufacturer code has other company names (GMB sometimes goes by these name(s) if applicable: Greene Sporting Inc, Nova Boats, Nova Boats (oob), or Genmar Manufacturing Of Ks(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 (Greene Marine (dba)) is owned by Allan Mckinney and is located at 1400 Foxford Rd in Greeneville state of Tn. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Greene Marine (dba) has started making boats, yachts or other watercraft as of 9/10/2014.
More details at the US Coast Guard.
The US Coast guard provides this comment about this watercraft manufacturer: Mic Was Originally Gem Marine Or Gemarine Inc: Oob 6/28/1980 Address 3530 Mira Loma Anaheim Ca 92806. They Mfg Sailboats. 12/18/98 Mic Issued To Genmar For New Plant Acquired From Horizon Marine. See Hru. 000110 Nova Builds Jon Boats And Bass Boats For Crestliner (nor) Using This Mic. 010830 Nova Now Called Genmar Of Kansas. Factory Builds Crestliner (nor), Lund (lun), & Ranger (rng) At This Plant With This Mic. 02/05/2004 Genmar Closed This Factory In 2002. See Mic File 09/10/14: Removed Genmar Manufacturing Of Ks (oob 02/05/2004) And Installed Greene Marine..