National Instruments Corporation (UK) Ltd  (Newbury)
	Newey and Eyre   (Birmingham)
	N F I Ltd   (Camberley)
	N M B (U.K.) Ltd   (Bracknell)
	N S K-R H P Europe Ltd  (Ruddington)
	Namiko   (Lichfield)
	National Engineering Laboratory  (Glasgow)
	National Physical Laboratory (NPL)  (Teddington)
	National Safety Council (NSC)  (Itasca, USA)
	NDC Infrared Engineering Ltd  (Maldon)
	NDO Consultants  (Rushden)
	Neatafan Ltd   (Southampton)
	Negretti Automation Ltd
	Neil Smith Precision (Engineering)
	Nelco Systems Ltd  (Hertfordshire)
	NEMATRON Ltd  (Waterlooville)
	Neptune Engineering
	Netherlocks Safety Systems  (The Netherlands, The Netherlands)
	Neuero Engineering Ltd  (St. Albans)
	Neural Computer Sciences  (Totton)
	Neutrik (UK) Ltd  (Ryde)
	Newing-Hall Ltd   (Hunslet)
	Newmet Pifan Ltd   (Waltham Abbey)
	Newson Gale Ltd  (Nottingham)
	Newtown Pneumatic Services Ltd
	Newtronic Controls International Ltd   (Manchester)
	Next Control Systems Ltd  (Crowthorne)
	Nexus GB  (Broughton)
	Neylon Lasers Ltd   (Fife)
	Nicholls Air Systems Ltd   (Corby)
	Nickel-Electro Ltd  (Weston-Super-Mare)
	Nicomtech Ltd   (Saltash)
	Nikat Associates
	Nikon Precision Europe GmbH
	Niton UK  (Winchester)
	Nitto Kohki Europe Co Ltd  (Watford)
	NIVUS U.K  (Royal Leamington Spa)
	Nixon Flowmeters  (Cheltenham)
	Nohau UK Limited  (Winchester)
	Norbar Torque Tools Ltd  (Banbury)
	Norcon (Norris) Ltd   (Burgess Hill)
	Norcroft Dynamics Ltd   (Andover)
	Norfolk Controls  (Norfolk)
	Norman Data Defense Systems (UK) Ltd  (Central Milton Keynes)
	Norstrom Normanner Group Ltd  (Wigan)
	Northampton Electrical Repairs  (Northampton)
	Northcott Electronics Ltd   (Baldock)
	Northern Design (Electronics)   (Bradford)
	Northern Fan Supplies Ltd   (Old Trafford)
	Northern Lighthouse Board   (Edinburgh)