AMETEK Land (Land Instruments International)  (Dronfield, England)
	Antech Calibration Services (Trescal Limited)  (Great Yarmouth)
	Bellingham + Stanley Ltd  (Tunbridge Wells, United Kingdom)
	Endress+Hauser Ltd  (Manchester, UK)
	Eurotherm by Schneider Electric  (Worthing, UK)
	FLIR Systems Ltd   (West Malling)
	Haven Automation  (Swansea)
	Honeywell Process Solutions  (Diegem, Belgium)
	IMA International Moisture Analysers Ltd  (Guiseley)
	Invensys/Schneider Electric  (Crawley)
	Mettler Toledo Ltd  (Leicester, United Kingdom)
	Omega Engineering Ltd  (Irlam)
	PCE Instruments UK Ltd  (Southampton)
	RS Components Ltd  (Corby)
	Staffordshire Hydraulic Services Ltd  (Stoke-on-Trent)
	Yokogawa UK Limited  (Runcorn)
	Absolute Calibration Ltd  (Portchester)
	Allison Engineering  (Basildon)
	Alpha Moisture Systems  (Bradford, England)
	ASAP Calibration Services  (Romsey)
	Chell Instruments Ltd  (North Walsham)
	Control Instruments Ltd  (Grangemouth)
	Flowhire Ltd  (Halifax)
	Flowquip Ltd  (Sowerby Bridge)
	Foxwell Instruments  (Evesham)
	GE Tech  (Sevenoaks)
	Hawco Ltd  (Nr Goddalming)
	Hitek Ltd  (Horsham, UK)
	Instrumentation Control Engineering  (Hanworth)
	Isothermal Technology  (Southport)
	ITI  (Liverpool)
	Michell Instruments Ltd  (Ely, United Kingdom)
	MKS Instruments UK Ltd  (Crewe)
	Raytek (UK)  (Milton Keynes)
	Roxspur Measurement & Control Ltd (Platon)  (Tadley)
	Sensor Techniques Limited  (Cowbridge)
	Si Pressure Instruments Ltd  (Leicester)
	Sira Limited  (Chislehurst)
	SM Gauge
	Solartron Metrology  (Bognor Regis, England)
	T C Ltd  ()
	Testo Ltd  (Alton, UK)
	Thermal Detection Ltd  (Stockton-on-Tees, England)
	Thermo Electro - Process Instruments  (Winchester)
	Thermospeed  (Bolton)