Filters, cloth in United Kingdom
- Allpure Filters Ltd
- G Bopp & Co. Ltd (Registered Office)
- Mix UK Ltd
- Wolf Filtration Ltd
- Carlson Ltd
- Plastok Associates Ltd
- Northumbria Optical Coatings Ltd
- D R M Industrial Fabrics Ltd
- Andrew Webron Ltd
- Sefar Ltd
- Mix & Batch 2000 Ltd
- Pisces Engineering
- Amazon Filters Ltd
- Sttop Filters Ltd
- A B Dust Control Ltd
- Cowens Ltd
- Domnick Hunter Group Limited Parker Hannifin Ltd
- Leyland Filtration Co. Ltd
- Technical Fabrics UK Ltd
- Parker Hannifin UK Ltd (Filter Division Europe)
- Prosep Filter Systems
- B L T Circuit Services Ltd
- C M I Trading UK Ltd
- Midland Filtration Ltd
- Ace Filtration Ltd

Machinery and equipment