Office
| Head Office |
Ebisu Asahi Seimei Bldg 5 1-3-1 Ebisu, Shibuya-ku, Tokyo 150-0013 Google Map TEL：+81-3-5447-5760 FAX：+81-3-5447-5771 |
|---|---|
| Osaka Office |
Shin-Fushimi-cho Building 9, 4-4-10 Fushimi-cho, Chuo-ku, Osaka 541-0044
Google Map TEL：+81-6-6231-5590 FAX：+81-6-6231-5594 |
| Iwaki Plant |
1-1,Sakai Akasaka Nakoso-machi,Iwaki City,Fukushima Prefecture 979-0142 Google Map TEL：+81-246-65-7111 FAX：+81-246-65-7113 |
| Toda Laboratory (JOHOKU R＆D CO.,LTD) |
619 Nizo, Oaza, Toda-shi, Saitama 335-0021 Google Map TEL：+81-48-441-5137 FAX：+81-48-441-5138 |
Associated Company
Johoku R＆D Co.,Ltd.（100％ holding）
https://www.johoku-chemical.com/r-and-d/
Shoei Shokai Co.,Ltd.（100％ holding）
https://www.johoku-chemical.com/trading/