Air Pumping  (London)
	AJG Waters  (Croydon)
	Alliance Valves & Piping Supplies Ltd  (Brighouse, England)
	Alpha Pumping Services  (Newton Abbot)
	Ayton Equipment Ltd  (Middlesbrough)
	Busch (UK) Ltd  (Telford)
	CCD Pumps
	Centrifugal Pump Services (Graham Precision Pumps)  (Stockport)
	Charles Austen Pumps  (Weybridge)
	Chemvac Pumps  (Knypersley)
	CP Instrument Co  (Hertfordshire)
	CPL Carbon Link Ltd  (Wigan)
	Durr Technik (UK)  (Bristol)
	Flucon Pump Services  (Denbighshire)
	Frank Manning (Engineers) Ltd  (Merseyside)
	FWB Products Ltd   (Stoke-on-Trent)
	G. M. Treble Ltd  (Wolverhampton)
	GEA Wiegand GmbH  (Ettlingen, Germany)
	George Fischer Sales Ltd  (Coventry)
	Girovac Ltd (formerly Bewhay (Vac & Tech) Ltd)  (North Walsham)
	Italvacuum S.R.L.  (Turin, Italy)
	Javelin Water Engineering Co Ltd  (Louth)
	Klaus Union (UK) Ltd  (Stowmarket)
	Leybold Limited  (London)
	Northey Technologies Limited  (Poole)
	NRM Pump Systems Ltd  (Christchurch)
	P&M Vacuum Services Ltd  (Heywood)
	Panks Engineers limited  (Norwich)
	Pfeiffer Vacuum ltd  (Newport Pagnell)
	PIAB Ltd  (Loughborough)
	Pruftechnik Ltd  (Gwent)
	Pump Supply & Repair  (Winsford)
	Pumps & Process Systems Ltd  (Coatsbridge)
	Rietschle Thomas  (New Hythe)
	Roxspur Measurement & Control Ltd (Platon)  (Sheffield)
	Si Pressure Instruments Ltd  (Leicester)
	Sterling Process Engineering Ltd  (Aylesbury)
	Tomlinson Hall & Co Ltd  (Billingham)
	Transvac Systems  (Alfreton)
	Venturi Jet Pumps  (Staffordshire)