Compagnie Électro-Mécanique (CEM) was a French electrical engineering manufacturer based in Paris, Le Havre, Lyon, Le Bourget, Nancy, Dijon. It was a subsidiary company of Brown, Boveri & Cie. It was originally established in 1885.
Production The company produced DC motors, AC motors, generators, turbines, transformers and railway locomotives. Examples of railway locomotives included SNCF Class C 61000 and SNCF Class CC 65500.
Acquisition by Alsthom It was acquired by Alsthom in 1983.
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