ConMet is the Leading Supplier of Wheel Ends, Aluminum Castings, and Plastic Components for the Commercial Vehicle Industry ConMet is a leading global supplier of engineered components for the commercial vehicle industry. ConMet provides wheel end solutions, hub assemblies, brake drums, hubs, rotors, aftermarket wheel products, OEM Genuine products, and more for the commercial vehicle industry. This includes heavy duty trucks and trailers, semi-trucks and trailers, medium-duty trucks and trailers, and all commercial vehicles.