Headquarters  
Address: 3-8-2, Shiba, Minato-ku, Tokyo 105-8623, Japan  
Telephone: +81-3-5427-5118  
Fax: +81-3-5427-5198  
E-mail: info@tosoh.co.jp


Fukuoka Regional Office  
Address: Kogin Building, 1-13-2, Tenjin, Chuo-ku, Fukuoka 810-0001, Japan  
Telephone: +81-92-781-0481  
Fax: +81-92-751-7015  
E-mail: info@tosoh.co.jp


Nagoya Regional Office  
Address: Touhou Building, 1-2-7, Sakae, Naka-ku, Nagoya 460-0008, Japan  
Telephone: +81-52-211-5499  
Fax: +81-52-222-8623  
E-mail: info@tosoh.co.jp


Osaka Regional Office  
Address: 4-4-9, Kouraibashi, Chuo-ku, Osaka 541-0043, Japan  
Telephone: +81-6-6209-1901   
Fax: +81-6-6209-1902  
E-mail: info@tosoh.co.jp


Sendai Regional Office  
Address: Sendai Green Place 2F, 1-11-1, Aoba-ku, Honmachi, Sendai, Miyagi 980-0014, Japan  
Telephone:  +81-22-266-2341  
Fax:  +81-22-267-5745  
E-mail:  info@tosoh.co.jp


Yamaguchi Regional Office  
Address: 4560, Kaisei-cho, Shunanshi, Yamaguchi 746-8501, Japan  
Telephone:  +81-834-63-9888  
Fax:  +81-834-63-6627  
E-mail:  info@tosoh.co.jp