A1 Hydraulics Ltd

Aircat Ltd

AxFlow Ltd

Bollfilter UK Ltd

Carter Environmental Engineers Ltd

Cole-Parmer Instrument Co Ltd

Condair plc

Croft Additive Manufacturing Ltd

Cross Manufacturing Co (1938) Ltd

Doulton Water Filters

GF Machining Solutions

Hedley Hydraulics Ltd

Hollingsworth & Vose Air Filtration Ltd

Koch Membrane Systems

Longar Industries Ltd

Pall Corporation

Parker Hannifin Manufacturing (UK) Ltd

Photogenic Ltd

Rotorflush Filters Ltd

The West Group Ltd

Thorite Blackburn

Thorite Bolton

Thorite Bradford Ltd

Thorite Doncaster

Thorite Huddersfield

Thorite Leeds

Thorite Rochdale

Thorite Sheffield

United Wire Ltd