Offices, Facilities, and Affiliates Head Offices : Sumitomo Wiring Systems, Ltd.

Head Office(Yokkaichi)

1-14 Nishisuehiro-cho, Yokkaichi, Mie 510-8503
TEL: 059-354-6200(Dial-in)
FAX: 059-354-6318

Shibaura Renasite Tower 8F, 9-1 Shibaura 3-chome, Minato-ku, Tokyo 108-0023
TEL: 03-6384-5600
FAX: 03-6384-5601