The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is SDO. This MIC (SDO) stands for the company name Swamp Daddy Airboats & Fabrications Llc which is currently In Business. This boat manufacturer code has other company names (SDO sometimes goes by these name(s) if applicable: , , , or Sandhill Fiberglas (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 (Swamp Daddy Airboats & Fabrications Llc) is owned by David A Green Jr and is located at 912 West Maud St in Tavares 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. Swamp Daddy Airboats & Fabrications Llc has started making boats, yachts or other watercraft as of 3/1/2017.
More details at the US Coast Guard.
The US Coast guard provides this comment about this watercraft manufacturer: Manufacturer Of Airboats. Maj..