Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,151 pages of information and 233,681 images on early companies, their products and the people who designed and built them.
1919 Ropner Shipping Co was incorporated as a Public company under the control of Sir R. Ropner and Co.
1949 Ropner Holdings Ltd was incorporated with the aim of amalgamating Ropner Shipping Co and Pool Shipping Co. Both companies held shares in Chartair Ltd, an air transport company with interests in repair and maintenance of engines and machines 
1970 Ropner Holdings acquired its management company, Sir R Ropner and Co, from the Ropner family