Nissan Kagaku Kogyo, 2nd Plant

Nissan Kagaku Kogyo, Oji Plant

Nippon Kagaku Kogyo K.K., 2nd Plant

Nissan Kagaku Kogyo K.K. (File #228)

Hodogaya Kagaku Kogyo, Oshima Plant

Nissin Kagaku Kogyo K.K. - Tsurusaki Plant Accountability

Kagaku Shugi Kogyo

Aichi Kagaku Kogyo (File #23)

Yokozawa Kagaku Kogyo (File #279)

Kanto Kagaku Kogyo (File #97)

Nankai Kagaku Kogyo (File #207)

Tokushu Kagaku Kogyo (File #259)

Yamatake Kogyo, Omori Plant

Amatsuji Kogyo - Sennan Plant

Nitto Kagaku, Nakagawa Plant

Dai Ichi Kagaku Kogyo (File #39)

Mitsui Kagaku Kogyo K.K. (File #142)

Shin-Etsu Kagaku Kogyo (File #237)

Takikawa Kagaku Kogyo K.K. (File #268)

Morita Kagaku Kogyo K.K. (File #146)

Nippon Tokushu Kagaku Kogyo (File #233)

Mitsubishi Chemical Industry (Mitsubishi Kagaku Kogyo)

Shinsei Kogyo K.K. - Taniyama Plant

Nippon Tanatsu Kogyo Plant #5

Chuo Kogyo K.K., Omori Plant