Associated Commercial Vehicles (ACV) was a holding company formed on 1 October 1948 when Associated Equipment Company purchased Crossley Motors and Maudslay Motor Company.AEC Group to be Reorganised Commercial Motor 10 September 1948 In 1949 ACV took control of coachbuilding firm Park Royal Vehicles, along with its subsidiary Charles H. Roe, followed in 1961 by Thornycroft.Park Royal Stock Exchange Commercial Motor 29 April 1949Leyland-ACV Merger Approved Commercial Motor 24 August 1962 In 1962, ACV was purchased by Leyland Motors
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