The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is MGB. This MIC (MGB) stands for the company name Mangrove Bay Boats which is currently In Business. This boat manufacturer code has other company names (MGB sometimes goes by these name(s) if applicable: , , , or Mt Gretna Boat Works (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 (Mangrove Bay Boats) is owned by Abraham Minardi and is located at 19715 Wyndmill Circle in Odessa 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. Mangrove Bay Boats has started making boats, yachts or other watercraft as of 8/30/2017.
More details at the US Coast Guard.
The US Coast guard provides this comment about this watercraft manufacturer: Mic Previously Assigned To Melson's Glass Spec Oob5/79. 06/30/03 Oob Per Rni.