Calligraph Ltd   (Cambridge)
	Caltest Instruments Ltd  (Godalming)
	Cambridge Electronic Design Ltd   (Cambridge)
	Cambridge Environmental Assessments (CEA)
	Cambridge I Q Ltd
	Cambridge Lasers Ltd   (Cambridge)
	Cambridge Monitoring Systems Ltd   (Cambridge)
	Cambridge Process Controls
	Cameron Flow Control Technology UK   (Bognor Regis)
	Cameron Presentations Ltd   (Glasgow)
	Camis Electronics Ltd   (Stourbridge)
	Camlock Systems P.L.C.  (Paris)
	Camozzi Pneumatics Ltd   (Nuneaton)
	Campbell Coutts Ltd
	Campbell Scientific  (Loughborough)
	Campbell York Ltd   (Leeds)
	CAN in Automation
	Canary Labs  (Martinsburg, USA)
	Cannon Technologies Ltd  (New Milton)
	Canongate Technology Ltd  (Edinburgh, Scotland)
	Capelrig Ltd   (Aberdeen)
	Capital Electronic Developments  (Hayes)
	Caproco International plc   (Alberta, Canada)
	Captivair Pneumatics Ltd  (Gravesend)
	Caradon Plumbing Solutions
	Caradon Trend Ltd  (Horsham)
	Carel Components Ltd  (London)
	Carfax Precision Engineering Ltd  (Bootle)
	Carl Zeiss  (Welwyn Garden City)
	Carlo Gavazzi UK Ltd  (Aldershot)
	Carlton Industrial Controls (South) Ltd   (Chalgrove)
	Carlton Laser Services Ltd
	Casella Measurement Ltd (CEL)  (Bedford)
	Castle Group Ltd   (Scarborough)
	Castleland Control Products  (Newcastle Upon-Tyne)
	Castlewyse Ltd  (Totnes)
	CBISS Ltd  (Birkenhead)
	C-Cubed Ltd  (Whitchurch)
	CD Automation UK Ltd  (Eastbourne)
	CDC Software UK Ltd  (Slough)
	Cedar Software Control Technology  (Cheltenham)
	Cee Vee Ltd
	Cee-Norm UK Ltd  (Telford)
	CEEP   (Haslemere)
	Cellbond Composites Ltd   (Huntingdon)
	Celsis Limited  (Cambridge)
	Celsum Technologies Ltd  (Leicester)
	CEM (conference on emissions monitoring)  (Porters Wood)
	Central Engineering Supplies   (Corby)
	Central Fan-Colasit Ltd   (Redditch)