Bellingham + Stanley Ltd  (Tunbridge Wells, United Kingdom)
	Endress+Hauser Ltd  (Manchester, UK)
	Invensys Operations Management  (Crawley)
	Omega Engineering Ltd  (Irlam)
	RS Components LTD  (Corby)
	Siemens Water Technologies (Siemens plc)  (Sevenoaks)
	Yokogawa UK Limited  (Runcorn)
	Auriema Industrial Products  (Slough)
	Burmarc  (Liphook)
	CP Instrument Co  (Hertfordshire)
	Electronic Temperature Instruments Ltd  (Worthing)
	GLI International (Hach Company)  (Loveland, USA)
	Green World Instruments Ltd  (Aylesford)
	Hamilton (GB)  (Carnforth)
	Hobre Instruments BV  (Purmerend, The Netherlands)
	JUMO Instrument Company Ltd  (Harlow)
	P I Systems
	Quadrachem Laboratories  (Forest Row)
	Russell pH  (Cupar)
	Systematic UK  (Wellesbourne)
	Testo Ltd  (Alton, UK)