Tabuse Iron Works

Yoshida Iron Works

Tagiri Iron Works

Tajima Iron Works

Ikegami Iron Works - Chiba

Otsuka Iron Works, Ltd

Kurimoto Iron Works - Sumiyoshi Plant

Reparations - Okada Iron Works - Ehime

Fukuoka Iron Works - Plant Accountability

Toa Iron Works Co. - Wakae Factory

Maeda Iron Works Union Contract - Nagano

26F 21-04: Kumamoto Iron Works

Japan Iron & Steel Co., Ltd. Kamaishi Works

Kubota Iron & Machinery Works Ltd. - Sakai Plant

Eleventh Aeronautical Arsenal Laboratory (Naka Iron Works)

Kamimura Iron Works (20-01) 1946, Kochi

Toyo Keidai Kokan Seizosho, Kubota Iron & Machinery Works - Fuse Plant, Kurimoto Iron Works - Fukae Plant, Condor Sewing Machine Co

Kamimura Iron Works (20-01) 1947-48 Kochi

Kuwahata Electric Engineering Works, Kyokuto Seisakusho, Kusuda Chukosho, Kurimoto Iron Works - Kagaya Plant

Daini Kubota Iron & Machinery Works, Ltd. - Marine Engine Shop

Foundry Research Laboratory - Kubota Iron & Machinery Works Co. Ltd

Kubota Iron & Machinery Works Ltd. - Chuko Plant and Okajima Plant

Okuma Iron Works. Report No. 2-s, USSBS Index Section 8

Nissin Chemical Co., Yura Dye Stuff, Konoshima Chemicals Nakatsuka Iron Works

Japan iron works. Report No. 108f(3), USSBS Index Section 2