C & S Hydraulics Ltd  (Leeds)
	C A M Hydraulics  (Sheffield)
	Cablerange Ltd  (Camberley)
	Caley Ocean Systems  (Glasgow)
	Camozzi Pneumatics Ltd   (Nuneaton)
	Capital Fluid Power  (Hayes)
	Captivair Pneumatics Ltd  (Gravesend)
	Cardev International Ltd  (Harrogate)
	Cardiff Hydraulics & Pneumatics  (Cardiff)
	Carling Hydraulic Services  (Cannock)
	Carter Controls (UK) Ltd  (Rotherham)
	Cashflo Ltd  (Sheringham)
	Ceetak Ltd  (Bedford)
	Centralair Ltd  (Reading)
	Centurian Hydraulics  (Coventry)
	CH2M Hill  (Englewood, USA)
	Chadderton Pneumatics  (Oldham)
	Challenger Hydraulics Ltd  (Dewsbury)
	Charles Wells & Associates  (Uppingham)
	Charter Hydraulics Ltd  (Gloucester)
	Chiltern Pneumatics Ltd  (Cressex)
	Circa Hydraulics Ltd  (Lutterworth)
	Circuit Hydraulics Ltd  (Southport)
	CITEL Inc.  (Miami, USA)
	Claron Hydraulic Seals Ltd  (Warley)
	Claron Hydraulic Services  (Paignton)
	Claron Plastics Ltd  (Paignton)
	Codan Rubber Ltd  (Corby)
	Comar Engineering Services Ltd  (Wolverhampton)
	Comech Ltd  (Derby)
	Commercial Hydraulics Keelavite(Parker Hydraulics)  (Warwick)
	Compair Broomwade  (High Wycombe)
	CompAir UK Ltd  (Redditch)
	Compressed Air Parts Ltd  (Leyland)
	Compressor Service & Repairs Ltd  (Brierley Hill)
	Control Developments UK Ltd  (Eynsham)
	Control Tech Ltd  (Tunbridge)
	Cooper Cameron (UK) Ltd  (Glasgow)
	Copeland Fluid Power Ltd  (Frizington)
	Corrance & Yuill Ltd  (Glasgow)
	Cotswold Hydraulics Ltd  (Tewkesbury)
	Coveflex Hydraulic & Engineering Ltd  (Coventry)
	CPE Ltd (formerly Cool Technology Ltd)  (Tamworth)
	Craig Hydraulic & Engineering Co  (Dundee)
	Croda Application Chemicals Ltd  (Goole)
	Cross Manufacturing Co. (1938) Ltd  (Bath)
	Crouzet Ltd  (Basingstoke)
	Custom Control Sensors Int.  (Nr Swindon)
	Custom Fluid Power  (Chesterfield)