AEC - Albion - Austin - Bedford - Blackstone - Coventry Climax - Daimler-Benz - Dennis - Dorman - Foden - Ford - Gardner - Leyland (engines) - McLaren - Meadows - Morris - Norton - Paxman - Perkins - Rolls Royce - Ruston - Sentinel - Thornycroft - Tilling Stevens (Commer) - Turner Manufacturing Co.