ABOUT
Head office
2-10, Kanda-Ogawamachi, Chiyoda-ku, Tokyo,
101-8323 JAPAN 
[Map]
TEL : 03-5282-8000  FAX : 03-5282-8047 
Kansai branch
12F, Aqua Dojima Nishi-kan, 1-4-16, Dojimahama, Kita-ku, Osaka
530-0004 JAPAN 
[Map]
TEL : 06-4797-1000  FAX : 06-4797-1003 
Nagoya branch
8F, Ichigo Sakae Bldg., 3-15-27, Sakae,Naka-ku, Nagoya 460-0008 JAPAN
(Former building name: COI Nagoya Plaza Bldg.) 
[Map]
TEL : 052-243-0811  FAX : 052-243-0818 
Tokai branch
3F, Kawamura Bldg., 9-1, Denma-cho, Aoi-ku, Shizuoka 420-0858 JAPAN 
[Map]
TEL : 054-255-5578  FAX : 054-254-3508 
Kyushu branch
3F, Tenjin-Saiwai Bldg., 4-2-20, Tenjin, Chuo-ku, Fukuoka
810-0001 JAPAN 
[Map]
TEL : 092-781-2171  FAX : 092-781-2182  
Sendai office
2F, KDX-Sendai Bldg., 1-2-20, Honcho, Aoba-ku, Sendai
980-0014 JAPAN 
[Map]
TEL : 022-721-7260  FAX : 022-721-7261