Colvilles
Dates
| / /1871 | Colvilles Dalziel Iron works opened in Motherwell |
| / /1881 | Colvilles Steel works opened in Motherwell |
| / /1930 | Clyde Ironworks Taken over by Colvilles Ltd. |
| 01/01/1931 | David Colville & Sons James Dunlop & Co Colvilles Ltd Merger of David Colville & Sons and James Dunlop & Co forms Colvilles Ltd |
| /03/1934 | Colvilles Mossend Works bought from William Beardmore & Co Ltd |
| /01/1936 | Steel Company of Scotland Colvilles Ltd The Steel Company of Scotland is merged with Colvilles Ltd |
| / /1937 | Colvilles Re-structuring begins which will ultimately lead to the construction of the Ravenscraig Steel Works. |
| 09/07/1954 | Ravenscraig Steelworks Opened by Colvilles at a cost of £20,000,000, with 2 batteries of 35 coke ovens, a blast furnace and melting shop with 3 furnaces. Colvilles older furnaces to be demolished. |
| / /1958 | Colvilles Govan Iron Works ('Dixon's Blazes') closed. |
| / /1961 | Colvilles Ravenscraig Steelworks opened. |
| / /1967 | Waverley Iron Works Closed, after being owned briefly by Colvilles |
| / /1967 | Colvilles Becomes part of British Steel Corporation |
