Fujikoshi Seiki

Imaizumi Seiki

Chichibu Seiki

Hitachi Seiki

Showa Seiki

Toa Seiki Kosakusho

Teijin Seiki K.K

Hitachi Seiki, Adachi

Mitsui Seiki K.K

Hikari Seiki Seisakusho

Pilot Seiki K.K

Haneda Seiki K.K

Haneda Seiki K.K

Nihon Seiki K.K

Report on Fujikoshi Kozai Kogyo (Fujikoshi Steel Materials Industry), 8 March 1944. Report No. 19-b(152), USSBS Index Section 6

K.K. Showa Seiki Seizosho

K.K. Hamada Seiki Tekkosho

Teikoku Seiki Sangyo K.K

Oji Seiki Kogyo K.K

Matsumoto Seiki Kogyo K.K

Dai Nihon Seiki, Funabashi

Labor Disputes - Haneda Seiki

87 Hamada Seiki Osaka Plant

IJN Seiki (1875); Warship; Sloop

Mitsubishi Seiki Kogyo K.K. - Seta Works