sentences:  In 1910 the Dominion Coal Company Limited (DOMCO) absorbed the Cumberland Railway and Coal Company, maintaining the CR&C as a subsidiary.DOMCO was merged into the British Empire Steel Corporation (BESCO) in the early 1920s, which was later subsumed by the Dominion Steel and Coal Corporation (DOSCO) in 1930.In 1957 DOSCO was acquired by Avro Canada, which became Hawker Siddeley Canada in 1962.