Iron and Steel Corporation of Great Britain
The Iron and Steel Corporation of Great Britain was a nationalised industry, set up in 1949 by Clement Attlee's Labour government. The Iron and Steel Act 1949 took effect on 15 February 1951, the Corporation becoming the sole shareholder of 80 of the principal iron and steel companies (reduced from the 107 proposed in the first draft of the Bill).
Source: Wikipedia — Iron and Steel Corporation of Great Britain (CC BY-SA 4.0)