Nihon Seiko K.K., Sakuramachi Plant

Koyo Seiko K.K. - Nakagawa Plant

Asahi Seiko K.K. - Nagano Plant

Osaka Seiko K.K. - Amagasaki Plant

Yamamoto Seiko K.K. - Osaka Plant

Nishibayashi Seiko K.K. - Honsha Plant

Asahi Seiko K.K. - Semboku Plant

Koyo Seiko K.K., Tokyo Plant

123 Daido Seiko K.K. Osaka Plant

112 Asahi Seiko K.K. Otori Plant

Kokura Seiko K.K., Kokura Seisakusho - Plant Accountability

Nihon Rayon K.K. - Yonago Plant, Nippon Pulp K.K. - Yonago Plant

Nihon Soda K.K., Sunamachi Plant

Koyo Seiko K.K

400.170 (Reconversion & Exemption) Nihon Seitetsu K.K. - Hirohata Plant

400.170 (Reconversion & Exemption) Nihon Shaft K.K. - Amagasaki Plant, Kobe Kosakusho - Miki Plant

Nitto Seiko K.K. - Daini Kojo

Higuchi Seiki Kogyo K.K., Asahi Kiko Co., Asahi Kinzoku Kogyo - Osaka Kojo, Asahi Seiko K.K. - Sakai Plant

Azuma Seiko, Azuma Plant

Nakayama Seiko - Amagasaki Plant

412.31: Yamato Seiko K.K. - Inventory Sheets

Kawasaki Jukogyo K.K. - Nishinomiya Plant, Kawasaki Kokuki Kogyo K.K. - Akashi Plant

Nihon Kako K.K

Nihon Kosan K.K

Nihon Seiki K.K