Refractory materials for foundries, the steel industry, blast furnace stoves in United Kingdom
- F G F Ltd
- F G F Insulators Ltd
- Precision Ceramics (a division of McGeoch - Technology Ltd)
- Vitcas Ltd Refractories
- Vesuvius UK Ltd
- Jays Refractory Specialists Ltd
- Robert Lickley Refractries Ltd
- MacGregor & Moir
- Yorkshire Refractory Products Ltd
- R E Knowles Ltd
- Fuchs Lubritech (UK) Ltd
- F G F Insulation Ltd
- Manchester Refractory
- Tenmat Ltd (Head Office)
- Pyrotek Engineering Materials Ltd
- Dupre Minerals
- Souter Trading Ltd
- Vesuvius UK Ltd
- Kerneos Ltd
- Energy & Environmental Services Ltd
- Intermet Refractory Products Ltd
- S P C Patterns Ltd
- Dyson Thermal Technologies
- Heatrek Refractories Ltd
- Saint Gobain Industrial Ceramics Ltd

Mineral products, glass and ceramics