Toyota Motor, Nissan Motor, Hino Motors, Isuzu Motors, Fuji Heavy Industries, Mazda Motor Corporation,
Mitsubishi Motors, UD Trucks Corporation, Mitsubishi Fuso buses and trucks, Honda Motor,
Yamaha Motor ,Suzuki, Kawasaki Heavy Industries, Hitachi, Ebara, IHI, Sumitomo Heavy Industries,
Komatsu, Hitachi Construction Machinery, Sumitomo Construction Machinery, Kato Works, Kubota,
Kobe Steel, Sakaijukogyo,Tadano, Koito Manufacturing, Stanley Electric , JFE, Tsukishima Kikai,
Nikki, Nippon Gaishi

Asahi Kasei, Shin-Etsu Chemical, Yamaichi Chemical, Toyo Aluminum, Kusumoto Chemicals, Sakaishoji,
Asahi Sangyo, Momentive Performance Materials Japan,

Tokyo Higashi Shinkin Bank Kanda Branch, Sumitomo Mitsui Banking Kanda Branch,
Bank of Tokyo- Mitsubishi UFJ Kanda and Jimbocho Branches, Mizuho Bank Kanda Branch.