| Notes |
Adana (Printing Machines), Ian Allan, Astral Aero Model, Atlas Motors, Buck and Ryan, Basset-Lowke, Cartwrights Model Supplies, Caton Limited, Flight and Fleet, Fulmen Engineering (motor, circular saw), T.Garner and Son, Hamblings ("00" gauge track), G.I.Hastings, Hi-Fly, Hobbies, Christopher Hook, George Kennion, K.W.Products. E.Keil. Majesco Miniature Motors, Percival Marshall, Mills Bros. (Model Engneers), Model Aero Supplies, Modelcraft (scale bungalow), Moore and Wright, Myford Engineering (grinding-machine), Geo. Newnes, Precision Accessories, The Railway Publishing Co., Ridingbery, Gerald Smith, Toptoys, Walkers and Holtzapffel (Retail) ("Romford" mechanism for "00" gauge), Romford Model, William Waugh (locomotive cylinders), A.West and Partners, Zenith Model Co |