Later buses were obtained from AEC, Chevrolet, Daimler, Guy, Leyland, Maudslay, Thornycroft, and a few from Burford, Clement-Talbot, Crossley, Ford, Gilford, Graham Dodge, International, Lancia, Morris, Overland BMT and Vauxhall.
Subsequent buses were acquired from AEC, Chevrolet, Daimler, Guy, Leyland, Maudslay, Thornycroft, along with a few from Burford, Clement-Talbot, Crossley, Ford, Gilford, Graham Dodge, International, Lancia, Morris, Overland BMT, and Vauxhall.