§ (Excluding minor contractors and suppliers of materials)
§ Firm and Location
- Aerolex, Camberley, Surrey.
- Airsearch Co. (see Garrett Corporation, USA).
- Aircraft Marine Products, Stanmore, Middlesex.
- Airscrew Fans, Weybridge, Surrey.
- Allform Tools, Sheffield, Yorkshire.
- Ampep Industrial Products, Clevedon, Somerset.
- Ateliers Semena, Toulouse, France.
- Auto Diesels Braby, Uxbridge, Middlesex.
- Aviation Tool Corporation, Hounslow, Middlesex.
- Avico Equipment, Hemel Hempstead, Hertfordshire.
- Brensal Electronics, Bristol, Avon.
- Cronzet, Valence, France.
- D.B.A. Air Equipement, Asnieres-Sur-Seine, France.
- Delaney Gallay, Biggleswade, Bedfordshire
- Doncasters (Blaenavon), Blaenavon, Monmouthshire.
- Dowty Electrics, Gloucester, Gloucestershire.
- Dowty Rotol, Gloucester, Gloucestershire.
- Dowty Seals, Tewkesbury, Gloucestershire.
- Du Kane Corporation, St. Charles, Illinois, USA.
- Dunlop (Precision Rubbers Division), Lough-borough, Leicestershire.
- Egerton Tool & Instrument Co., Edgware, Middlesex.
- Elecma, Suresnes, France.
- Electronic Associates, Burgess Hill, Surrey.
- Faure, Herman, Boulogne, France.
- Flight Refuelling, Wimborne, Dorset.
- Flying Service (Engineering and Equipment), Chesham, Buckinghamshire.
- Fothergill & Harvey, Littleborough, Lancashire.
- Garrett Corporation, Los Angeles, California, USA.
- Gloster Engineering (Cheltenham), Cheltenham, Gloucesterashire.
- Goliath Engineering Co., Sunbury-on-Thames, Middlesex.
- Graviner, Colnbrook, Buckinghamshire.
§ Firm and Location
- Grundy & Partners, Stonehouse, Gloucestershire
- Hartwell Corporation, Los Angeles, California, USA
- Hellermann Deutsch, East Grinstead, Sussex
- Hercules Engineering Co., Isleworth, Middlesex
- Hewlett Packard, Slough, Buckinghamshire
- High Temperature Engineers, Fareham, Hampshire
- E. Hillier & Son (Engineering), Reading, Berkshire
- Instrument Research Laboratories, Corsham, Wiltshire
- Intertechnique, Plaisir, France
- Jaegar, Levallois-Peppet, France
- Kenure Developments, Camberley, Surrey
- Walter Kidde Co., Greenford, Middlesex
- Lever (Tolworth) Co., Wimbledon, SW19
- Lucas Aerospace, Bradford, Yorks
- Lucas Aerospace, Hemel Hempstead, Hertfordshire
- Marshall of Cambridge (Engineering), Cambridge, Cambridgeshire
- Meter Flow, Feltham, Middlesex
- Midcast Numerical Control, Glen Parva, Leicestershire
- Midcast Numerical Control (Wales), Maesteg, Glamorgan
- M. L. Aviation Co., Maidenhead, Berkshire
- Moores (Wallisdown), Bournemouth, Hampshire
- Morfax, Mitcham, Surrey.
- Normalair Garrett, Yeovil, Somerset
- Page Engineering Co., Sunbury, Middlesex
- Parker, Hannifin Corporation, Los Angeles, California, USA
- Planer Products, Sunbury-on-Thames, Middlesex
- Plessey Co., Titchfield, Hampshire
- Plessey Diac, Croydon, Surrey
- Pyrotector, Hingham, Massachusetts, USA
- RFD-GQ, Godalming, Surrey
- Rosemount Engineering Co., Bognor Regis, Sussex
- S.A.R.M.A.. St. Vallier-Sur-Rhone, France
- Sculpture Machining, Bedfont, Middlesex
- S.E. Laboratories (Engineering), Feltham, Middlesex
- Servicon Dynamics, Cheltenham, Gloucestershire
§ Firm and Location
- Societe de Carburateur Zenith, Lavallois-Perret, France
- Societe Industrielle D'Aviation Latécoere, Toulouse, France
- Sintron Electronics, Reading, Berkshire
- Smith Clayton Forge, Lincoln, Lincolnshire
- Smiths Industries, Cheltenham, Gloucestershire
- Statham Instruments, Oxnard, California, USA
- Stresskin Products Co., Santa Ana, California, USA
- Systron Donner, Leamington Spa, Warwickshire
- Superflexit, Courbevoie, France
- C. F. Taylor (Metal Workers), Wokingham, Berkshire
- Teddington Aircraft Controls, Yeovil, Somerset
- Teleflex-Syneravia, Ivry-Sur-Seine, France
- Thermal Controls, Hove, Sussex
- Triplex, Esconne, France
- Triplex Safety Glass Co., Birmingham, Warwickshire
- United Moulders, Fernburst, Surrey
- Uni-Tubes, Slough, Buckinghamshire
- Vickers Medical Engineering, Swindon, Wiltshire
- Waddon Engineering, Croydon, Surrey