British Copper Manufacturers
1892 Williams, Foster and Company and Pascoe Grenfell and Sons Limited was formed from the merger of two Swansea firms, Messrs. Pascoe Grenfell and Sons and Messrs. Williams, Foster and Co.
1924 British Copper Manufacturers was formed by the amalgamation of the major copper smelting firms in Swansea, Vivian and Sons and Williams, Foster and Co and Pascoe Grenfell and Sons.
1927 Imperial Chemical Industries Limited (ICI) took over British Copper Manufacturers.
1980 They continued to operate the copperworks until it was closed in 1980