Transport Canada
To assist in the identification of companies in Canada that manufacture vehicles in conformity with the requirements of the Motor Vehicle Safety Act and the Motor Vehicle Safety Regulations, Transport Canada has compiled a list of those companies that are registered and granted authorisation to affix the National Safety Mark (NSM).
Select "Canadian Addresses Only" at the following link: Vehicle Manufacturers Registered with Transport Canada
For information on companies authorized to commercially import new, fully-complying Canadian-specification vehicles into Canada, please refer to the Preclearance List of Recognized Vehicle Importers
For information on importing vehicle purchased at retail in the United States, please refer to the List of Vehicles Admissible from the United States