General Railway Signal Co

Works: Metropolitan Vickers Electrical Co. Trafford Park Manchester.
Head Office: 515 Australia House Strand London WC2.
1926 A new company, Metropolitan-Vickers-GRS Limited, was formed jointly by Metropolitan-Vickers with the General Railway Signal Company of Rochester, New York, to sell railway signalling equipment, under the design of the American company and made at the Trafford Park works.