The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is ZDM. This MIC (ZDM) stands for the company name Dalex Mfg Ltd which is currently Out of Business. This boat manufacturer code has other company names (ZDM 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 (Dalex Mfg Ltd) is owned by and is located at 33 Torbarrie Rd in Downsview state of On. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Dalex Mfg Ltd has started making boats, yachts or other watercraft as of 12/12/1974 and went out of business on (8/23/1982) in the following country: CANADA.
More details at the US Coast Guard.