Edogawa Kogyo, Tokyo

Nippon Kentetsu Kogyo, Tokyo

Tokyo Kogyo Daigaku (File #249)

Edogawa

Mitsui Seiki Kogyo K.K., Tokyo Plant

List of Authorized Use - Tokyo Juki Kogyo K.K., Tokyo Plant

Edogawa-Ku

Edo River (Edogawa)

Tokyo Soda Kogyo K.K. - Caustic Soda Plant Toda Plant

List of Authorized Use - Mitsui Kogyo Kaisha, Tokyo Plant

Edogawa Kogyosho (File #44)

Hoshifuri Pine at Zen'yoji Temple in Edogawa (Edogawa-ku Zen'yoji Hoshifuri matsu), from the series "One Hundred Views of Great Tokyo in the Showa Era (Showa dai Tokyo fukei hyaku zue hanga)"

Otani Kogyo K.K. - Kosugi Seisakusho (Former-Tokyo Fist Army Arsenal)

Otani Kogyo K.K. - Kosugi Seisakusho (Former-Tokyo First Army Arsenal)

Otani Kogyo K.K. - Kosugi Seisakusho (Former-Tokyo Fist Army Arsenal)

Otani Kogyo K.K. - Kosugi Seisakusho (Former-Tokyo First Army Arsenal)

Otani Kogyo K.K. - Kosugi Seisakusho (Former-Tokyo First Army Arsenal)

List of Authorized Use - Nippon Kentetsu Kogyo Co., Ltd. Tokyo Works

Taihei Kogyo K.K., Kogyo Kenkyujo (File #273)

Seika Kogyo K.K. (Sumitomo Kogyo) (File #215)

Kanegafuchi Kogyo

Musashi Kogyo

Fukaya Kogyo

Riken Kogyo

Nippon Kogyo Shimbun