Isomura Sangyo K.K. (File #83)

Honjo Sangyo K.K. (File #75)

Fuji Sangyo K.K. (File #47)

Komoro Sangyo K.K

Nisshin Sangyo K.K

Miyako Sangyo K.K

Asahi Sangyo K.K

Kayaba Sangyo K.K

Mizuho Sangyo K.K

Toko Sangyo K.K

Fuji Sangyo K.K

Daiichi Sangyo K.K

Nippi Sangyo K.K

Teikoku Seiki Sangyo K.K

Fukuhara Sangyo Boeki K.K

Nippi Sangyo K.K., Kanazawa

Suyari (Surely) Sangyo K.K

Ishihara Sangyo (File #80)

Kawasaki Sangyo (File #103)

Kayaba Sangyo K.K. Plant Accountability

Fuji Sangyo K.K. Musashi Plant

Kayaba Sangyo K.K., Omori Kojo

Fuji Sangyo K.K. Ogikubo Plant

Sanki K.K. (File #218)

Toho K.K. (File #263)