 The company was NBC's biggest subsidiary, starting life with 1,267 buses and coaches.The fleet was very elderly, being mainly 484 AEC Regent III RT double-deckers and 413 AEC Regal RF single-deckers, with eight Daimler Fleetlines, three Leyland Atlanteans, 209 AEC Routemasters, 14 AEC Reliances and 109 AEC Merlins.Steps were taken to reduce the age of the fleet, and NBC quickly ordered 90 Park Royal bodied Leyland Atlanteans.