Amplicon   (Brighton)
	AMWEI Thermistor Co., Ltd  (Futian, P.R China)
	Anacon Corporation   (Thame)
	Analect Instruments Inc  (Rushden)
	Analox Ltd   (Middlesbrough)
	Analytical Technology (ATI UK)   (Saddleworth)
	Analytik Jena UK  (Wembley)
	Ancholme Machinery Co Ltd  (Brigg)
	Anchor Magnets Ltd   (Sheffield)
	Anchor Plastics Machinery  (Harefield)
	Anders Electronics P.L.C.   (London)
	Andersen Caledonia Ltd
	Anderson & Wilson
	Angel Instruments Ltd  (Congleton)
	Anglia Controls & Combustion
	Anglia Hose & Hydraulics
	Anglia Technology  (Norwich)
	Anglian Compressors & Equipment Ltd   (Peterborough)
	Angus-Air Ltd   (Dunston)
	Anixter (U.K.) Ltd   (Uxbridge)
	Ansaldo Systems   (Chesterfield)
	Anser Analytics Ltd  (Sevenoaks)
	Anstee & Ware Ltd  (Bristol)
	ANT Telecommunications Ltd  (Uxbridge)
	Anthony Best Dynamics Ltd   (Bradford-on-Avon)
	Anton Test & Measurement Ltd   (Watford)
	Anville Instruments
	APMG Ltd
	Apollo Fire Detectors Ltd   (Havant)
	Apollo Flow Measurement Ltd
	Application Developments Ltd  (Finchampstead)
	Applications Engineering Ltd   (Uckfield)
	Applied Automation Ltd   (Bridgend)
	Applied Image Technology Ltd
	Applied Kilovolts Ltd  (Goring by Sea)
	Applied Measurements Ltd  (Aldermaston)
	Applied Weighing International Ltd  (Reading)
	Applikon Analyzers  (Farnborough)
	Aptech (Powder Systems) Ltd
	APW Ltd  (Southampton)
	Aquamatic  (Manchester)
	Aquatech Ltd
	ARC Advisory Group GmbH & Co. KG  (Dusseldorf, Germany)
	Arcom Control Systems Ltd  (Cambridge)
	Arena Engineering Ltd  (Southampton)
	Argon Engineering (Airdrie) Ltd
	ARI Industries  (Addison, USA)
	Armitage Shanks Ideal Standard Ltd  (Wolverhampton)
	Armstrong Chemtec   (Beith)
	Aro Plus UK Ltd  (Birmingham)