The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is IRH. This MIC (IRH) stands for the company name Black Swamp Industries Inc which is currently In Business. This boat manufacturer code has other company names (IRH sometimes goes by these name(s) if applicable: , , , or ). This could happen if the US Coast Guard reissued the MIC to a new company after the first went out of business.
This company (Black Swamp Industries Inc) is owned by Ronald Hehn and is located at 4065 210th Street South in Hawley state of Mn. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Black Swamp Industries Inc has started making boats, yachts or other watercraft as of 6/11/2001.
More details at the US Coast Guard.