Metropolitan-Vickers Electrical Company Limited 1899
Formed from British Westinghouse, an American subsidiary based at Trafford Park Manchester since 1899. Merged with Vickers Limited to become Metropolitan-Vickers Electrical Company Ltd. in 1919. Merged with British Thomson-Houston Ltd.in 1928, before becoming part of the holding company Associated Electrical Industries Ltd (AEI) in 1929. Brand name was retained until 1959 when AEI was used.