Antech Calibration Services  (Great Yarmouth)
	Litre Meter Ltd  (North Marston)
	Omega Engineering Ltd  (Irlam)
	Siemens Water Technologies (Siemens plc)  (Sevenoaks)
	Turck Banner Ltd  (Wickford)
	Yokogawa UK Limited  (Runcorn)
	Able Instruments & Controls Ltd  (Reading)
	Alfa Laval Flow  (Sutton Coldfield)
	Allison Engineering  (Basildon)
	Alpeco Ltd  (Princes Risborough)
	Auriema Industrial Products  (Slough)
	Bestobell Valves
	Boiswood  (Gloucester)
	Cameron Flow Control Technology UK   (Bognor Regis)
	Chem Resist Europe  (Dewsbury)
	Coulton Instrumentation  (Christchurch)
	CP Instrument Co  (Hertfordshire)
	Dairy Pipe Lines  (Essex)
	Delta Controls Ltd  (West Molesey)
	Dwyer Instruments  (High Wycombe)
	Dwyer Instruments  (High Wycombe)
	Flowhire Ltd  (Halifax)
	Flowline Ltd  (Borehamwood, UK)
	Flowquip Ltd  (Sowerby Bridge)
	Flux Pumps International UK Ltd  (Wimborne)
	Foxwell Instruments  (Evesham)
	GEA Tuchenhagen UK Ltd  (Warrington)
	Gemu Valves Limited  (Warrington)
	Industrial Flow Controls Ltd  (Basildon)
	Instrumentation Control Engineering  (Hanworth)
	International P-NET User Organisation  (Wallingford)
	jbj Techniques Limited  (Redhill, United Kingdom of Great Britain)
	KROHNE Ltd  (Wellingborough)
	Lion Instruments  (Sudbury)
	Mobrey Measurement  (Slough)
	Moduloc Controls Ltd   (St. Albans)
	Nixon Flowmeters  (Cheltenham)
	Permex Ltd  (Hoddesdon)
	Process Measurement & Analysis  (Wallasey)
	PSM Instrumentation Ltd  (Haywards Heath, UK)
	Roxspur Measurement & Control Ltd (Platon)  (Sheffield)
	Roxspur Measurement & Control Ltd (Platon)  (Tadley)
	Schlumberger Water & Heat Measurement  (Stretford)
	Sirco Controls  (Rochford)
	Thermo Electro - Process Instruments  (Winchester)
	Torbar Flowmeters Ltd (an ABB Limited company)  (Bordon)
	Truflo International plc  (Birmingham, UK)
	USF Permutit Ionpure  (Hertford)
	Waverley Brownall (formerly Waverley Components)  (Southend on Sea)