The automotive industry comprises original equipment manufacturers and automobile service companies. The original equipment sector is made up of manufacturers (OEMs) (of cars, two-wheeled vehicles, trucks, buses, etc.), Tier 1 parts manufacturers and suppliers, and mid-caps and SMEs working wholly or partly for the sector. The aftermarket consists of service companies (marketing and distribution, testing, maintenance, mobility solutions, etc.)(commerce et distribution, contrôle, maintenance, solution de mobilité).