Company Index
- J and B Machinery Ltd - Sutton in Ashfield
- J and G Coughtrie Ltd - Glasgow
- J and H Humphrey - Fareham
- J and P Engineering (Crawley) Ltd - Horley
- J and S Marine Ltd - Barnstaple
- J and T Morris (Alloa) Ltd - Alloa
- J C Battery Services - Bolton
- J C E (Europe) Ltd - Ivybridge
- J D Cables Ltd - Watford
- J Darbyshire and Son Ltd - Poulton le Fylde
- J J Electronics Ltd - Luton
- J K Machinery International - Hinckley
- J V H Group Ltd - Bridgend
- J W Instruments Ltd - Wakefield
- J-Tronics Ltd - York
- J. Merriman & Sons Ltd - Birkenhead
- J.B.C. Control Systems Ltd - Bolton
- J.W. Circuits Ltd - Mountain Ash
Jabil Circuit Ltd - Livingston- Jacarem Ltd - Chesham
- Jackson Electronics Ltd - Newark
- Jactron Ltd - Maidstone
- Jade Communications Ltd - Newton le Willows
- Jades Components Ltd - Kingsbridge
- JAE Europe - Farnborough
- Jaltek Systems Ltd - Luton
- James Adrian White - Hastings
- James and Beeching Ltd - Hook
- James Bedford and Co (Dewsbury) Ltd - Batley
- James Bell and Sons Ltd - Hamilton
- James Technical Services Ltd - Brecon
- Jantec (T/A AWS Jantec) - Biggleswade
- Jartech - Forfar
- Jarvis Tech Ltd - Heathfield
- Jaser Electronics Ltd - Rugby
- Jauch Quartz UK (Components Division) - Camberley
- Jay-Tec Systems Ltd - Bicester
- Jayex Technology Ltd - London
- Jaytec Systems - Durham
- JB-EYE (Fire and Security) - Manchester
- JCA Systems Ltd - Fleet
JCB Electronics Ltd - Tipton- JCE Aberdeen Ltd - Aberdeen
- JCS Technology - Weston super Mare
- Jdr Cable Systems Ltd - Ely
- JE Sugden and Co Ltd - Liversedge
- Jeani Accessories Ltd - Derby
- Jegs Electrical Ltd - Leigh on Sea
- Jekyll Electronic Technology Ltd - Letchworth
- Jendee Trading Co Ltd - Watford
- Jennic Ltd - Sheffield
- Jentech Computers Ltd - Bridgnorth
- Jeol(U.K.) Ltd - Welwyn Garden City
- Jerrard Bros Plc - Croydon
- JFR Electronics - Chatteris
- JG Harrison and Sons Ltd - Halifax
- Jg Technologies Ltd - Weymouth
- JGC Computer Installations - Woking
- JH Fenner and Co Ltd - Brough
- JH Kemp Ltd - Birmingham
- JIT Components - Limerick
- JJ Systems - Basingstoke
- JJS Electronics Ltd - Lutterworth
- JK Control Systems Ltd - Penryn
- JK LED Components Ltd - Tunbridge Wells
- JK Max Navigation - Torquay
- JL Electrical - Winchester
- JLH Systems Ltd - Hebden Bridge
- JM Adams (Agencies) - Belfast
- JMS Manufacturing - Peterborough
- JMS Transformers Ltd - Peterborough
- Joannou John - Reading
- Jode Systems Technology Ltd - Lutterworth
- John Beaumont Ltd - Huddersfield
- John Caunt Scientific Ltd - Oxford
- John E Jeffery - Petersfield
- John Ford Recruitment Ltd - Barnet
- John Hemy (Systems) Ltd - Stockton on Tees
- John Lawton Electronics Ltd - Cambridge
- John Lilley & Gillie Ltd - North Shields
- John Madeley Machinery Ltd - Kidderminster
- John Mason (Batteries) Ltd - Bradford
- John Morfield Ltd - Motherwell
- John Peel & Son (Holdings) Ltd - Shipley
- John Stuart Pimm - Birmingham
- Johnson Controls Ltd - Farnborough
- Johnson Robert E M - Nottingham
- Johnson Security Ltd - Cheltenham
- Johnstech Interconnect Ltd - Newport (Gwent)
- Johnston Sweepers Ltd - Dorking
- Jonathan Jones Electrical Services - Southampton
- Jones Stroud Insulations - Preston
- Jotron Uk Ltd - Cramlington
- JP Electronics - Runcorn
- JP Power Solutions Ltd - Southampton
- JPA Electronics Ltd - Ashbourne
- JPG Electronics - Chesterfield
- JPL Sound and Communications - Barry
- JPR Electronics Ltd - Dunstable
- JRG Technicom - Hinckley
- JRW Labels / JRW Group - Cheadle (Cheshire)
- JSM Kitting - Arundel
- JST (UK) Ltd - Halesworth
- JTAG Technologies - Bedford
- JTF Consultancy Services Ltd - Fordingbridge
- Jtl Systems Ltd - Newbury
- JUKI Automation Systems Ltd - Crawley
- Jumo Instrument Co Ltd - Harlow
- Just Rams plc - London
- Justmac - Clydebank
- Justoffbase Tools UK - Bury St Edmunds
- Justtech Ltd - Alton
- JVC Manufacturing UK Ltd - East Kilbride
- JW and E Morris and Son Ltd - Bridgend
- JW Hardy Communications - Birmingham
- JWD Ltd - Horsham
