Lear Corp., being a Tier 1 supplier to the global automotive industry, supplies automotive seating and electrical systems (E-Systems). It caters to several major automakers in the world. The primary customers of the company are automotive original equipment manufacturers. The Seating business involves designing, development, engineering, assembling and delivery of complete seat systems and seat components, including seat covers and surface materials such as leather and fabric, seat structures and mechanisms, seat foam and headrests. The top five customers of the company's Seating segment include General Motors, Daimler, Stellantis, Volkswagen and Ford. The E-Systems business involves designing, development, engineering and manufacturing of complete electrical distribution systems. The top five customers of the firm's E-Systems segment include Ford, Renault-Nissan, Jaguar Land Rover, Geely and Volkswagen.