Oxfordshire Ironstone Co
of Banbury, Oxfordshire
1921 The company was owned by Baldwins (60 percent) and Brymbo Steel Co (40 percent)[1].
1934 Baldwins included the Fairwood Tin Plate Co, Oxfordshire Ironstone Co, (jointly with Stewarts and Lloyds), Elba Tin Plate Co (jointly with the Anglo-Saxon Petroleum Co), the Briton Ferry Works, the Cribbwr Fawr Collieries, Dowlais Collieries, and the Basic Slag and Phosphate Co[2].
1951 Nationalised under the Iron and Steel Act; became part of the Iron and Steel Corporation of Great Britain[3]