The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is SIW. This MIC (SIW) stands for the company name Sim Craft Boats which is currently Out of Business. This boat manufacturer code has other company names (SIW 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 (Sim Craft Boats) is owned by W S Simpkins and is located at 466 S Green St in Tuckerton state of Nj. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Sim Craft Boats has started making boats, yachts or other watercraft as of 8/22/1983 and went out of business on (10/16/1991) in the following country: USA.
More details at the US Coast Guard.
The US Coast guard provides this comment about this watercraft manufacturer: Oob Per Mso Phi 16711 911016.