The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is TGB. This MIC (TGB) stands for the company name Thegoboat which is currently In Business. This boat manufacturer code has other company names (TGB sometimes goes by these name(s) if applicable: , , The Greenfield Boat Co (oob), or Greenfield Boat Co Inc (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 (Thegoboat) is owned by Billy Crimmins and is located at 15300 S 77th E Ave in Bixby state of Ok. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Thegoboat has started making boats, yachts or other watercraft as of 8/31/2016.
More details at the US Coast Guard.