Cement Plants
- Aso Cement Co Ltd - Tagawa Plant
- Daiichi Cement Co Ltd - Kawasaki
- Denki Kagaku Kogyo Kabushiki Kaisha - Omi
- Hachinohe Cement Co Ltd - Hachinohe
- Hitachi Cement Co Ltd - Hitachi
- Kitakyushu Onoda Cement Co Ltd - Kitakyushu
- Mitsubishi Materials Corp - Aomori - Aomori
- Mitsubishi Materials Corp - Higashitani - Higashitani
- Mitsubishi Materials Corp - Iwata - Iwata
- Mitsubishi Materials Corp - Kurisaki - Kurosaki
- Mitsubishi Materials Corp - Kyushu - Kyushu
- Mitsubishi Materials Corp - Yokoze - Yokoze
- Mitsui Mining Co Ltd - Moji - Moji
- Mitsui Mining Co Ltd - Tagawa - Tagawa
- Myojo Cement Co Ltd - Itoigawa
- Nippon Steel Blast Furnace Slag Cement Co Ltd - Tobata Factory
- Nittetsu Cement Co Ltd - Muroran
- Ryukyu Cement Co Ltd - Yabu
- Sanyo White Cement -
- Sumitomo Osaka Cement Co Ltd - Ako - Ako
- Sumitomo Osaka Cement Co Ltd - Gifu - Gifu
- Sumitomo Osaka Cement Co Ltd - Ibuki - Ibuki
- Sumitomo Osaka Cement Co Ltd - Kochi - Kochi
- Sumitomo Osaka Cement Co Ltd - Tamura - Tamura
- Sumitomo Osaka Cement Co Ltd - Tochigi - Tochigi
- Taiheiyo Cement Corporation - Chichibu - Chichibu
- Taiheiyo Cement Corporation - Fujiwara - Fujiwara
- Taiheiyo Cement Corporation - Kamiiso - Kamiiso
- Taiheiyo Cement Corporation - Kawara - Kawara
- Taiheiyo Cement Corporation - Kumagaya - Kumagaya
- Taiheiyo Cement Corporation - Ofunato - Ofunato
- Taiheiyo Cement Corporation - Saiki - Saiki
- Taiheiyo Cement Corporation - Saitama - Saitama
- Taiheiyo Cement Corporation - Tosa - Tosa
- Taiheiyo Cement Corporation - Tsukumi - Tsukumi
- Tokuyama Corporation - Nanyo
- Tosoh Corporation - Nanyo
- Tsuruga Cement Co Ltd - Tsuruga-Shi
- Ube Industries Ltd - Isa Cement Factory - Isa Cement Factory
- Ube Industries Ltd - Kanda Cement Factory - Kanda Cement Factory
- Ube Industries Ltd - Ube Cement Factory - Ube Cement Factory
- Aso Cement Co Ltd - Kanda plant
- Chichibu Taiheiyo cement Co. Ltd. -

