Clutches, friction, hand operated in United Kingdom
- Machineco Ltd
- Cross & Morse
- Intertruck Ltd
- Matrix International Ltd
- Direct Bearings & Power Transmissions Ltd
- Ortlinghaus UK Ltd
- Renold Clutches & Couplings Ltd
- British Autogard Ltd
- Sprint Engineering & Lubricant
- Industrial Clutch Parts Ltd
- Transak UK Ltd
- Friction Marketing Co. Ltd
- Combidrive Ltd
- Martin E Robey Engineering Ltd (JDHT Classic Parts Specialists)
- Power Take Off & Control
- M I T Ltd
- J B J Techniques Ltd
- Custom Brakes & Hydraulics Ltd
- Delphi Lockheed Automotive Ltd
- Motion Drives & Controls Ltd

Metallurgy, metalworking and metal products