Osaka Head Office
Sumitomo Seimei Shin-Osaka Kita Building, 4-1-14,
Miyahara, Yodogawa-ku, Osaka-city, Osaka 532-0003, Japan
Tokyo Head Office
Shinjuku Green Tower Building, 6-14-1,
Nishi-shinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
Kiyosumi Office
Sumitomo Seimei Kiyosumi Park Building, 1-11-12,
Fukagawa, Koto-ku, Tokyo 135-0033, Japan