1961 Guide to Key British Enterprises: Motor Engines and Components for the Motor Industry also Parts for Agricultural Machinery, Garage Equipment, etc
- AEC
- A. P. Metalcraft
- Aeroparts
- Aeroplane and Motor Aluminium Castings
- Allspeeds
- Amal
- George Angus and Co
- Armco
- Armstrong Patents Co
- Automotive Products Co
- E. J. Baker and Co (Dorking)
- G. Beaton and Son
- Benton and Stone
- Bluemel Brothers
- Borg and Beck Co
- Bowden (Engineers)
- Brampton Fittings
- British Anzani Engineering Co
- British Light Steel Pressings
- British Piston Ring Co
- Brown Brothers
- Brown David Industries
- Bryce Berger
- Burgess Products Co
- Burman and Sons
- Burtonwood Engineering Co
- Cam Gears
- Carr Fastener Co
- Cary, William E.
- Centrax
- Cheswick and Wright
- Clayton Dewandre Co
- Concentric Manufacturing Co
- Cornercroft
- Cox and Co (Watford)
- Crofts (Engineers)
- Crypton Equipment
- Cummins Engine Co
- E. N. V. Engineering Co
- Eaton Axles
- Engineering Components
- Engineering Productions (Clevedon)
- Evanwoods
- Ewarts
- Excelsior Motor Co
- Hall Engineering
- Hallam Sleigh and Cheston
- Hardy Spicer and Co
- Hepworth and Grandage
- Hill and Jackson (Springs)
- H. M. Hobson
- Hydrosteer
- Laycock Engineering
- Lister Equipment
- R. A. Lister and Co
- Lockheed Hydraulic Brake Co
- Lodge Plugs
- London Aluminium Co
- Lucas, Joseph (Industries)
- Lucas, Joseph
- P. R. Motors
- Penfold Fencing and Engineering
- Perfecta Motor Equipments
- F. Perkins
- Perry Barr Metal Co
- Perry Engineering
- Petbow
- Pianoforte Supplies
- J. A. Prestwich Industries
- Pyrene Co
- S. P. E.
- Sagar-Richards
- Salisbury Transmission
- Joseph Sankey and Sons
- A. Schraders Son
- Self-Changing Gears
- Sheepbridge Engineering
- R. T. Shelley
- Simms Motor Units
- Smiths Motors Accessories
- Solex
- Specialloid
- Speedwell Gear Case Co
- E. Steiner
- Suffolk Iron Foundry (1920)
- W. R. Sykes Interlocking Signal Co
- Tecalemit
- Terry Herbert and Sons
- John Thompson
- Tilling-Stevens
- Transport Equipment
- Turner Manufacturing Co
- Trico-Folberth
- Tyre Equipment and Reconditioning Co
- W. A. Tyzack and Co
- W. Tyzack Sons and Turner
- H. C. Webb and Co
- Wellworthy
- Westinghouse Brake and Signal Co
- Weyburn Engineering Co
- Willenhall Motor Radiator Co
- Wilmot Breeden
- Wolseley Engineering
- Jonas Woodhead and Sons