K.K. Showa Seiki Seizosho

Showa Seiki

412.31; (Inventory Sheets) Mitsubishi Denki K.K. Himeji Plant, 400.170; (Reconversion & Exemption) Showa Seiki Kogyo K.K

Teijin Seiki K.K

Mitsui Seiki K.K

Pilot Seiki K.K

Haneda Seiki K.K

Haneda Seiki K.K

Nihon Seiki K.K

Showa Aircraft K.K

Showa Kogyo K.K

412.31 (Inventory Sheets) Kobe Kosakusho - Kobe Kojo, Showa Seiki Kogyo K.K. - Honsha Kojo

K.K. Hamada Seiki Tekkosho

Teikoku Seiki Sangyo K.K

Oji Seiki Kogyo K.K

Matsumoto Seiki Kogyo K.K

Showa Keikinzoku Kogyo K.K

Showa Sekiyu K.K. (File #245)

Mitsubishi Seiki Kogyo K.K. - Seta Works

Mitsui Seiki Kogyo K.K., Tokyo Plant

Showa Denko K.K. Yokohama Plant - Kanagawa

Oji Seiki Kogyo K.K. - Permit for Transferring Machine

412.31: (Inventory Sheets) Teikoku Seiki Sangyo K.K. - Kurodacho

412.31 (Inventory Sheets) Oji Seiki Kogyo K.K., Suyari Sangyo K.K. - Nibuno Plant, Kobe Seisakusho - Miki Plant

Kashiwara Seiki K.K., Kotobuki Forging Press Ind. - Matsuo Plant, Kawabata Sewing Machine Mfg., Kotobuki Ind. K.K