The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is RPK. This MIC (RPK) stands for the company name Sea Kayak Connecticut which is currently In Business. This boat manufacturer code has other company names (RPK sometimes goes by these name(s) if applicable: , , Highlakes Cruisers (oob), or Ron Platt Mfg (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 (Sea Kayak Connecticut) is owned by David Mcpherson and is located at 7 Lincoln Ave in Greenwich state of Ct. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Sea Kayak Connecticut has started making boats, yachts or other watercraft as of 5/14/2015.
More details at the US Coast Guard.
The US Coast guard provides this comment about this watercraft manufacturer: Mail Returned 7/88 Oob As Per Rtd Bsc 12/92 Lja. 05/14/15: Removed Highlakes Cruisers (oob 02/02/1993). Installed Sea Kayak Connecticut..