BOSTON LIMITED	Watford, Herts, UK
ELECTRON TUBES LTD	Ruislip, UK
CLIK KNOWLEDGE TRANSFER	Rutherford Appleton Laboratory, Chilton, Didcot, UK
HAMAMATSU	Hertfordshire, UK
MARCONI Applied Technologies	Chelmsford, Essex, UK
SOUTHERN SCIENTIFIC	Lancing, UK
SPACE  CRYOMAGNETIC  Ltd.	Abingdon, UK