| Notes |
Bassett-Lowke (4-8-4 4-8-4 Beyer Garratt locomotive), Cray Model Craft, P.S.Fisher, Ahor Handy Machines (S.E.M.I.S.), Formo Products, Kennion Bros (Hertford), Walkers & Holtzapffel, Percival Marshall, Wallace Engineering Supplies (soldering iron), The Web Fitting Company (ship model fittings), Hamblings, Black & Decker, Braid Bros., Buck & Ryan, Chloride Batteries, E.W.Cowell, Craftsmanship Models, R.J.Deaves, Iliffe & Sons, Myford Engineering, H.Rollet & Co., Stuart Turner, J.F.Stringer & Co., Electronic Developments (Surrey), Multicraft Tools, Rozalex Limited, James Rogerson (scale model loco), Overseas Engineering Co., Z.N. Motors, Victory Industries (Surrey) (Morris Minor), Donald Ross & Partners, Admiralty, The War Office, Royal Air Force |