Manufacture of motor vehicles, trailers and semi-trailers Standard Industrial Classification (SIC) codes of UK-based importers and exporters 29100 - Manufacture of motor vehicles (1837) 29201 - Manufacture of bodies (coachwork) for motor vehicles (except caravans) (1346) 29202 - Manufacture of trailers and semi-trailers (381) 29203 - Manufacture of caravans (449) 29310 - Manufacture of electrical and electronic equipment for motor vehicles and their engines (985) 29320 - Manufacture of other parts and accessories for motor vehicles (3616)