Endress+Hauser Ltd  (Manchester, UK)
	Enviro Technology Services plc  (Stroud)
	IMA International Moisture Analysers Ltd  (Guiseley)
	Insteng Process Automation Ltd   (Cardiff)
	Siemens Water Technologies (Siemens plc)  (Sevenoaks)
	Yokogawa UK Limited  (Runcorn)
	Able Instruments & Controls Ltd  (Reading)
	AMETEK Drexelbrook   (Horsham, USA)
	Auriema Industrial Products  (Slough)
	Coulton Instrumentation  (Christchurch)
	GOW-MAC Instrument Co. Ltd  (Shannon, Ireland)
	Green World Instruments Ltd  (Aylesford)
	Hobre Instruments BV  (Purmerend, The Netherlands)
	Industrial Scientific Corporation  (P-15071-1599, USA)
	JUMO Instrument Company Ltd  (Harlow)
	Maihak Aktiengesellschaft
	Orthodyne SA  (Alleur, Belgium)
	PCME Ltd  (St Ives)
	Servomex Group Ltd  (Crowborough)
	Signal Instrument Co ltd  (Camberley)
	Systech Instruments  (Thame)
	Tele-Control  (St Leonards-on-Sea)