SG Automotive; Hella; KOITO; Magneti Marelli; OSRAM; Valeo; Stanley Electric Co. Ltd.; Varroc; Koninklijke Philips N.V.; Magneti Marelli; Koito Manufacturing; Stanley Electric Co. Ltd.; Mercedes-Benz; Koninklijke Phillips; Hyundai Group; Toyota Motor Corporations; Zizala Corporations; Lichtsysteme Gmbh; Automotive Lighting; Flextronics Automotive GmbH & Co. KG (formerly Sidler Automotive); Grupo Antolin Irausa
S.A.; Ichikoh Industries
Ltd.; SL Corporation