Filter elements, wire wound in United Kingdom
- Wolf Filtration Ltd
- Carlson Ltd
- N B Services Olney Ltd
- Plastok Associates Ltd
- I T W Finishing Systems & Products
- Claverham
- Horizon Mechanical Services International Ltd
- Filtration Ltd
- Barton Firtop Engineering
- H & M Automotive UK Ltd
- Mix & Batch 2000 Ltd
- Pisces Engineering
- Kalsep UK
- Domnick Hunter Group Limited Parker Hannifin Ltd
- Hydac Technology Ltd
- Induction Technology Group Ltd
- Motaquip Ltd
- Sear Engineering Services Ltd
- Molecular Properties Ltd
- Prosep Filter Systems
- Parker Dominic Hunter Ltd (Industrial Division)
- M C Air Filtration Ltd
- Begg Cousland & Co. Ltd
- Hydraulic Equipment Supermarkets Ltd
- Premaberg Manufacturing Ltd

Machinery and equipment