Ball bearings, ceramic in United Kingdom
- A M S Ltd
- B T L S - Hayley
- Kent Bearings
- Brammer Ltd
- Acorn Industrial Services
- M G & A Engineering Ltd
- Dana Glacier Vandervell
- Bedford Bearings Ltd
- Hayley Bearings Ni Ltd
- Aegis Advanced Materials Ltd
- G S Allen & Son Engineering Ltd
- Revolution Engineering Supplies Ltd
- R G B Products
- Cross & Morse
- Precision Ceramics (a division of McGeoch - Technology Ltd)
- Hayley Group plc
- Selecta Systems
- Bearing Traders Ltd
- Fylde Hydraulics Ltd
- S Z Gears Ltd
- Drive Design Ltd
- Antifriction Components Ltd
- Noah Bloomer & Sons Ltd
- Robec Gears Ltd
- Direct Bearings & Power Transmissions Ltd

Metallurgy, metalworking and metal products