Company Index
- C & N Control Systems Ltd. - Castleford
- C J Controls Ltd. - Swansea
- C Valenti - Cirencester
- C & H Precision Finishers Ltd. - Nottingham
- C A S Electronics - Ipswich
- C and C Technology Ltd - Basingstoke
- C and P Engineering Services Ltd - Swansea
- C and R Walne Engravers Ltd - Accrington
- C and S Automation Ltd - Colchester
- C and T Harnesses Ltd - Newmarket
- C B C Design - Clevedon
- C B Electronics - Reading
- C B M Designs Ltd - Leicester
- C B S Batteries - Glossop
- C B S Group Ltd. - Farnham
- C B Wragby & Electrical - Market Rasen
- C C Electronics Europe Ltd. - Winsford
- C C Power Electronics Ltd. - Stockport
- C E Johansson Ltd. - Huntingdon
- C H H Electronics Ltd. - Birmingham
- C M Motion Services - Worcester Park
- C M S Peripherals Ltd. - London
- C P Clare Uk - Taunton
- C R I Ltd. - Ormskirk
- C R T Films Ltd - Stafford
- C S Control Systems Ltd. - Elgin
- C S A Electronics - Worthing
- C S E - Seprol Ltd. - Sheffield
- C S R Plc - Cambridge
- C T C & Co. (Essex) Ltd. - Maldon
- C T L Components Plc - London
- C T Systems (U K) Ltd - Huddersfield
- C Y Office Electronics - Aberdeen
- C-Cubed - Whitchurch
- C-MAC MicroTechnology - Great Yarmouth
- C-Matic Systems Ltd. - Crowborough
- C-N Systems (U K) Ltd. - Warrington
- C-Scope International Holdings Ltd. - Ashford
- C-Tech Electronics Ltd - Worthing
- C-U Phosco Lighting - Ware
- C.E.Coleman(North Shields) Ltd - North Shields
- C2 RF Solutions Ltd - Hitchin
- C3 Ltd - Weston super Mare
- CA Clase (UK) Ltd - Bordon
- CA Electro Components Ltd - Bishops Stortford
- Ca Traffic Ltd. - Milton Keynes
- Cabal - Birmingham
- Cable & Wireless Plc - London
- Cable Accessories Energy Ltd - Horsham
- Cable Accessories Ltd - Leiston
- Cable and Components Co - Cobham
- Cable and Crimping Services Ltd - Tonbridge
- Cable Britain Ltd - Cradley Heath
- Cable First Ltd. - Poole
- Cable Harnesses (U K) Ltd. - Llanelli
- Cableco Duplex Ltd. - St Columb
- Cabledoc - Bristol
- Cableduct Ltd. - London
- Cablefree Solutions Ltd. - Hampton
- CableJog Ltd - Warrington
- Cablelines Pronet Ltd. - Derby
- Cablelink (UK) Ltd - High Wycombe
- Cablelynx Ltd. - Northampton
- Cableplus Europe Ltd - Faringdon
- Cablepoint Ltd - Hull
- Cablescan Ltd. - Beverley
- Cablespeed - Preston
- Cabletec Interconnect Components Systems Ltd - Weston super Mare
- Cabletime Ltd - Newbury
- Cabletree (MFG) UK - Telford
- CableTronics Ltd - Biggleswade
- Cache Instrumentation Ltd - Wakefield
- Cad Data Ltd - Aylesbury
- Cadamp Ltd - Ilkley
- Cadar Measurement Solutions Ltd. - Sheffield
- CADCOM Ltd - Chippenham
- Cadence Design Systems Ltd. - Bracknell
- Cadenergy Ltd - Dunfermline
- CADISCH GIGB Ltd - London
- Cadlay Designs Ltd. - Poole
- Cadogan Consultants - Glasgow
- CAE Office Systems - Watford
- CAE UK plc - Burgess Hill
- Caithness Stage and Lighting - Paisley
- CAL Controls Ltd - Brighton
- Cal Enterprises Ltd - Barrow in Furness
- Calcarb Ltd. - Bellshill
- Calcert Instruments Ltd - Walsall
- Caledon Controls Ltd - Carluke
- Calex Electronics Ltd - Leighton Buzzard
- Caliach Ltd - Uxbridge
- Calibration Centre Ltd The - Stafford
- Calibration Systems Ltd. - Camberley
- Calibration, Maintenance and Repair Ltd - Norwich
- Calibre Power Electronics Ltd. - Montrose
- Calibre U K Ltd. - Bradford
- Call Systems Technology Ltd. - London
- Calman Technology Ltd - Irvine
- Calmtoken Ltd. - Sunderland
- Calrec Audio Ltd. - Hebden Bridge
- Caltec - Newhaven
- Caltest Instruments Ltd - Lockerbie
- Calverts Contracts Ltd. - Billingham
- Cam Metric Holdings - Cambridge
- Cam-technique Security Systems - Leeds
- Camax UK Ltd - Harrogate
- Cambertronics Ltd - Cranleigh
- Cambridge Auto Electric - London
- Cambridge Circuit Co Ltd - Cambridge
- Cambridge Connectors - Cambridge
- Cambridge Data Safe Ltd. - Cambridge
- Cambridge Display Technology Ltd - Cambridge
- Cambridge Electronic Design Ltd - Cambridge
- Cambridge Electronic Industries Ltd. - Cambridge
- Cambridge Fluid Systems Ltd. - Cambridge
- Cambridge Logic Ltd - Cambridge
- Cambridge Micro Engineering Ltd - Cambridge
- Cambridge Microprocessor Systems Ltd. - Dunmow
- Cambridge Research Systems Ltd. - Rochester
- Cambridge Scientific Instruments Ltd. - Ely
- Cambridge Sensotec Ltd - St Ives (Huntingdon)
- Cambridge Technology Consultants - Cambridge
- CambsQuality Ltd - Cambridge
- Camcom Digital - Stoke Sub Hamdon
- Camcon Technology Ltd. - Cambridge
- Camdata Ltd. - Cambridge
- Cameo Systems Ltd. - Wimborne
- Cameron Caldon - Salisbury
- Cameron Linn Ltd. - Bellshill
- Camis Components - Brierley Hill
- Camis Distribution Ltd - Brierley Hill
- Camis Electronics Ltd - Brierley Hill
- Camlar Ltd - Brentwood
- Campbell Collins Ltd - Stevenage
Campbell Scientific Ltd - Loughborough- Camputel Ltd. - Colchester
- Camrasonic Ltd. - Newport
- CamSemi - Cambridge
- Camspec Ltd - Cambridge
- Camtech Cable Installations - Cambridge
- Camtech Electronics Ltd - Haverhill
- Camtex Fabrics Ltd. - Workington
- Camtronics Vale Ltd - Tredegar
- Canard Design Ltd. - Leicester
- Canford Group Plc - Washington
- Canmore Components Ltd. - Burntisland
- Cannon Technologies Ltd. - New Milton
- Cannon Viking Ltd. - Manchester
- Canongate Technology Ltd. - Loanhead
- Canterbury Consulting Ltd - London
- Cantium Scientific Ltd - Dartford
- Capelrig Ltd. - Aberdeen
- Capital Cables - Grays
- Capital Electronics and Components - Nuneaton
- Capital Security Systems Ltd - Basingstoke
- Caprina Ltd. - Preston
- Capss (U K) Ltd. - Coventry
- Captec Ltd. - Fareham
- Carbon Design UK Ltd - Bolton
- Carclo Technical Plastics (Slough) Ltd - Slough
- Card Professionals Ltd. - Sandhurst
- Cardpos Europe Ltd. - Swindon
- Cardsure UK Ltd - St Leonards on Sea
- Care Micro Systems Ltd. - Scarborough
- Carl Zeiss Ltd. - Welwyn Garden City
- Carlin Process Control Ltd - Letchworth
- Carling Technologies Ltd. - Exeter
- Carlo Gavazzi Uk Ltd. - Aldershot
- Carnhill Transformers Ltd - Huntingdon
- Caron Technology - Ystrad Meurig
- Carrera Design Ltd - Worthing
- Carroll and Meynell Transformers Ltd - Stockton on Tees
- Carter International Ltd. - Rochdale
- Carval Computing Ltd - Bedford
- CasC Systems Ltd - Norwich
- Cascade Scientific Ltd. - Uxbridge
- Cashmaster International Ltd. - Dunfermline
- Casio Electronics Co Ltd - London
- Casmik Ltd - Swansea
- Castell Safety International Ltd - London
- Castle Acoustics Ltd. - Skipton
- Castle Care-Tech Ltd - Windsor
- Castle Group Ltd. - Scarborough
- Castle Microwave Ltd - Newbury
- Castlefield Batteries - Manchester
- Castlet Ltd - Lincoln
- Catalan Colours Ltd - Newport
- Catapult Communications Ltd - Chippenham
- Cattron (UK) Ltd - Walton on Thames
- Cavendish Communication Projects Ltd. - Woking
- CB Cable Clips - Birmingham
- Cbl Ceramics Ltd. - Milford Haven
- CC Hydrosonics Ltd - Harlow
- CCL ( Circuit Consultants Ltd ) - Norwich
- CCL (Midlands) - Kenilworth
- CCL (North) Ltd - Irvine
- CCL Components Ltd - Glasgow
- Ccpi Inc - Sheffield
- CCR Systems (Northern) Ltd - Wirral
- CCS (satcom) Ltd - Braintree
- CCS Electronics - Runcorn
- CCT Lighting (UK) Ltd - Nottingham
- Cctvsafe Ltd. - London
- CD Automation UK Ltd - Polegate
- CDR Security Services - Sutton
- Cecil Instruments Ltd. - Cambridge
- Cedar Audio Ltd. - Cambridge
- Cee-Norm U K - Telford
- Cegasa (U K) Ltd. - Liverpool
- Celab Ltd - Bordon
- Celestion International Ltd. - Maidstone
- Cell Pack Solutions Ltd. - South Shields
- Celltech Battery Sales & Service Ltd. - Manchester
- Celoxica Ltd - Abingdon
- Celsius Refrigeration & Air Conditioning Ltd. - Gerrards Cross
- Celsum Technologies Ltd - Leicester
- Celtek Calibration Ltd - Thornton Cleveleys
- Celtic Process Control Ltd. - Newport
- CEM Systems Ltd - Belfast
- Cembre Ltd. - Sutton Coldfield
- Cemgraft Ltd - Thatcham
- Central Auto-Parts - Birmingham
- Central Cables Ltd. - Cannock
- Central Communication Products Ltd. - Peterborough
- Central England Communications - Burton on Trent
- Centric Solutions (U K) Ltd. - Farnham
- Centricity Consulting LLP - Sittingbourne
- Centronic Holdings Ltd - Croydon
- Cephos Electronic Circuits Ltd. - Swanley
- Ceramtec UK Ltd - Colyton
- Ceratech Electronics Ltd. - Alton
- Cetronic Power Solutions Ltd - Hoddesdon
- Cewal Uk Ltd. - Sudbury
- Chagers Electronics Ltd - Southall
- Challenge Electronics - Stevenage
- Challenge Innovations Ltd. - Bedford
- Challenger Components Ltd - Sittingbourne
- Challenger Solutions Ltd - South Woodham Ferrers
- Chalmit Lighting Ltd - Glasgow
- Chamaeleon Technologies Ltd. - Chelmsford
- Champion Spark Plug Ltd - Wallasey
- Channel Electric Equipment Ltd. - Thatcham
- Channel Publications Ltd. - Exeter
- Channell Ltd. - Orpington
- Charcroft Electronics Ltd. - Llanwrtyd Wells
- Charles Hyde & Son Ltd. - York
- Charles Neal and Son Ltd - London
- Charleswater Ltd. - Crowborough
- Charnvel Ltd - Nottingham
- Charter Tech Ltd - Wareham
- Chartland Electronics Ltd - Bookham
- Chase Mobile Radio Ltd - Stockport
- Chatsworth Computers Ltd - Chesterfield
- Chauvin Arnoux (UK) Ltd - Maidenhead
- Check Your Security Ltd - Great Yarmouth
- Chell Instruments Ltd - North Walsham
- Chelmer Valve Co Ltd - Chelmsford
- Chelsea Technologies Group Ltd - West Molesey
- Cheltenham Induction Heating Ltd - Cheltenham
- Chelton (Holdings) Ltd. - Wimborne
- Chemence Ltd. - Corby
- Chemigraphic Ltd - Crawley
- Chemson Ltd - Wallsend
- Cherrywood A V Ltd. - Ossett
- Cheshire Batteries Ltd. - Crewe
- Chess plc - Alderley Edge
- Chesterfield Electric Motors Ltd. - Chesterfield
- Chilbolton Observatory - Stockbridge
- Chiltern Batteries - Luton
- Chiltern Circuits Ltd. - Princes Risborough
- Chiltern Connections Ltd - Wallingford
- Chiltern Telecom Ltd. - Dunstable
- Chilworth Technology Ltd. - Southampton
- Chislett Electronics - Keighley
- Chloride - Southampton
- Chloride Electronics Ltd C/O Malcolm Power Systems - Aberdeen
- Chloride Ltd. - London
- Cholcroft Ltd - Bournemouth
- Chomerics - High Wycombe
- Chorus Application Software Ltd. - Barnstaple
- Chris Lester Marketing Services Ltd - Newark
- Christine McLeod - Hitchin
- Christine Miles Ltd. - Loughborough
- Christison Particle Technologies Ltd - Gateshead
- Chromalock Ltd / Electrostore Group Ltd - Coventry
- Chromalock Ltd. - Coventry
- Chromatechnic Ltd - Ulverston
- Chronos Richardson Ltd. - Nottingham
- Chronos Technology Ltd - Lydbrook
- Chrysalis Electronics Ltd. - Bedford
- Chubb Electronic Security Ltd - Abingdon
- Chubb Electronic Security Ltd - Sunbury on Thames
- Chubb Fire Ltd - Sunbury on Thames
- Churchill Controls Ltd. - Wokingham
- Cicorel (London) Ltd. - Sherborne
- Cie-Group Ltd - Nottingham
- Cimbian Uk Ltd. - Bognor Regis
- Cimtek UK Ltd - Havant
- Cinch Connectors Ltd - Worksop
- CipherLab (UK & Eire) Ltd - Leeds
- Circad Design Ltd - Ipswich
- Circatron Ltd - Tonbridge
- Circuit Bureau - Nottingham
- Circuit Electronics Services - Basildon
- Circuit Engineering Marketing Co. Ltd. - Waterlooville
- Circuit Graphics Ltd - Southend on Sea
- Circuit Logistics Ltd - Kettering
- Circuit Mission Ltd - Newbury
- Circuit Plating Equipment Ltd. - Wokingham
- Circuitmaster Designs Ltd - Rochdale
- Circuitree Ltd - Consett
- Circulating Pumps Ltd - Kings Lynn
- Ciretech Ltd. - Billingshurst
- Cirflex Technology Ltd. - Chelmsford
- Cirrus Logic (U K) Ltd - Marlow
- Cirrus Research plc - Scarborough
- Cirtec Ltd - Stafford
- Citizen Systems Europe - Feltham
- City Computing Ltd. - Sutton
- City Electrical Factors Ltd - Corby
- City Electrical Factors Ltd - Hemel Hempstead
- City Electrical Factors Ltd - Leicester
- City Electrical Factors Ltd - Merthyr Tydfil
- City Electrical Factors Ltd - Newport (Gwent)
- City Electrical Factors Ltd - Sheffield
- City Electrical Factors Ltd - Sheffield
- City Electrical Factors Ltd - Stoke on Trent
- City Electronic Services - Barking
- City Technology Ltd - Portsmouth
- CK Communications - Bridport
- CKW Electronic Ltd - Feltham
- Clairtronic Ltd - Bedford
- Clamason Industries Ltd. - Brierley Hill
- Clare Instruments - Peterlee
- Clarion (G B ) Ltd. - Swindon
- Clarion Design Services Ltd. - Waterlooville
- Claritech Ltd - Ashby de la Zouch
- Clarity in Sound Light and Vision Ltd - Harlow
- Clark Components Company Ltd - Shildon
- Clark Electronics (Scotland) Ltd - Stirling
- Clarke Cable Ltd - Congleton
- Clarkin Electronics Ltd - Workington
- Clarydon Electronic Services Ltd - Willenhall
- Classic Components - Cannock
- Classic Components UK Ltd - Solihull
- Classic Screen (Manufacturing) Ltd. - Liverpool
- Claude Lyons Ltd - Waltham Cross
- Clayton Thermal Processes Ltd. - Oldbury
- Clc (Uk) Ltd. - Loughborough
- Cleanform Plastics Ltd. - North Shields
- Clear-Com Communication Systems - Cambridge
- ClearView Communications Ltd - Chelmsford
- Clearview Systems - Hatfield
- Clearvision Lighting Ltd - Aldershot
- Clere Electronic Components Ltd. - Newbury
- Cleveland Circuits - Skelton
- Cleveland Motion Controls Ltd - Gateshead
- Clickonstock.com - Abbots Langley
- Cliff Electronic Components Ltd. - Redhill
- Climate4Hire Ltd - Ringwood
- Climatec Ltd - Watford
- Climatic Services Ltd. - Glenrothes
- Climatic Test Systems Ltd - Littlehampton
- Clockaudio Ltd - Waterlooville
- Clockwork Audio Visual Ltd - Morpeth
- Close-Ups - Wokingham
- Cloud Electronics Ltd - Sheffield
- Clover Systems Ltd - Surbiton
- Clwyd Compounders Ltd - Wrexham
- Clyde Broadcast Products Ltd - Clydebank
- Clydeside Galvanizers Ltd. - Glasgow
- CMEC Cable Division Ltd - Nottingham
- CMG Thermal Components - Droitwich
- CML Microcircuits - Maldon
- Cmp Batteries Ltd. - Bolton
- Coates Screen - Bath
- Coax Connectors Ltd. - Twickenham
- Coax Solutions Ltd - Harlow
- Cobalt Controls Ltd. - Brierley Hill
- Cobham Antenna Systems, Microwave Antennas - Newmarket
- Cobra Electronics Ltd - Bordon
- Cobus Communications - Hull
- Coda Systems Ltd - Halstead
- Codel International Ltd - Bakewell
- Codepack Solutions Ltd - Chichester
- Codeway Ltd. - Colchester
- Cognex UK - Cork
- Cognitronics Ltd - Worksop
- Coherent (Uk) Ltd. - Ely
- Coilcraft Europe Ltd - Cumbernauld
- Coilmech - Fareham
- Coldcurve Ltd - Inverness
- Cole and Swallow Materials Ltd - Wokingham
- Cole C W & Co Ltd - Luton
- Colmworth Electronics Ltd - St Neots
- Colortronic (U K ) Ltd. - Chesterfield
- Colsan Microelectronics Ltd. - Fleet
- Colt Telecommunications - London
- Coltan Electronics Ltd. - Boston
- Colter Products Ltd - Dunmow
- Coltraco Ltd - Radstock
- Columbia-Staver Ltd - Wickford
- Comair Rotron Europe Ltd - Redditch
- Comar Instruments - Cambridge
- Comar Systems Ltd. - Cowes
- Combat Alexander - Felixstowe
- Combe Products - Hungerford
- Combined Electrical & Engineering Services Ltd. - Dorchester
- Comcen Computer Supplies Ltd - Swansea
- Comlynx Communications Ltd. - Birmingham
- Comm-store - Great Yarmouth
- Commander Controls Ltd. - Nottingham
- Commend UK - Dunmow
- Commercial Audio Solutions Ltd - High Peak
- Commercial Coating Systems Ltd - Canterbury
- Commercial Lighting Systems Ltd. - Southampton
- Comms Com Ltd. - Neston
- Comms4Business com - Tunbridge Wells
- Communication & Control Electronics Ltd. - Farnborough
- Communication Electronic & Electromechanical Products Ltd. - Haslemere
- Communications (Southern) Ltd. - Southampton
- Communications Audit U K Ltd. - Cheltenham
- Communications Centre International Ltd. - Rochester
- Communications Supply & Support Ltd. - Epping
- Community and Seasonal Engineering - Carnforth
- Compact Displays (UK) Ltd - London
- Compact Instruments Ltd - Bolton
- Compere Systems Ltd. - Birkenhead
- Complete Light and Sound Services Ltd - Birmingham
- Completely Computers - Lancing
- Component Kitting UK - Lewes
- Component Sense Ltd - Livingston
- Components & Manufacturing Solutions Ltd. - Malvern
- Components Bureau Ltd - Huntingdon
- Components Direct - Sutton in Ashfield
- Composites Uk Ltd. - Chesterfield
- Compotron Ltd - Swindon
- Compound Semiconductor Technologies Global Ltd. - Glasgow
- Compro Services Ltd - Farnham
- Compugraphics International Ltd - Glenrothes
- Computabyte Ltd. - Westbury
- Computamation Systems Ltd - Leighton Buzzard
- Computer Associates U K Ltd. - Slough
- Computer Components Ltd - Honiton
- Computer Controlled Solutions Ltd. - Kenilworth
- Computer Imprintable Label Systems Ltd. - Worthing
- Computer Recognition Systems Ltd. - Wokingham
- Computer Salvage Specialists (Special Waste) Ltd. - Newbury
- Computer Solutions Ltd - Addlestone
- Computer System Architects Ltd. - Guildford
- Computer Systems Ltd - Pinner
- Computerised Engraving - Widnes
- Computers in Construction Ltd. - Dundee
- Computers Network & Maintenance Ltd. - Romsey
- Computionics Ltd. - Wigan
- Computronic Controls Ltd. - Birmingham
- Computype International - Hull
- Comrac Ltd - Ashby de la Zouch
- Comtec Cable Accessories Ltd. - Huntingdon
- Comtec Precision Sheet Metal - Reading
- Concept Cables Ltd - Blandford Forum
- Concept CAD Ltd - Nottingham
- Concept Control Services Ltd - Stoke on Trent
- Concept Group Ltd. - Livingston
- Concise Electronic Engineering Ltd - Cardigan
- Concorde Copiers Ltd - Exeter
- Concurrent Technologies plc - Colchester
- Condor Cases - Norwich
- Conec (U K) Ltd - Newbury
- Conferex Communications - Axbridge
- Conford Electronics - Liphook
- Conformance Services Ltd - Congleton
- Coniston Management Services Ltd - Basingstoke
- Connect Agility Ltd - Fishguard
- Connect Electronics Ltd - Dublin
- Connect Systems EEM Ltd - Dunstable
- Connect-2 Technology - Redcar
- Connector and Terminal Supplies Ltd - Portsmouth
- Connectors Cable Specialists (CCS) Ltd - Harlow
- Connectors Cables Specialist (CCS UK) Ltd - Harlow
- Connectronics Cable and Connection - Shaftesbury
- Connexion Developments Ltd - Bristol
- Connexion Electrical Ltd. - London
- Connexions (U K) Plc - Hatfield
- Connexis Ltd. - Telford
- Conro Electronics Ltd - Borehamwood
- Consolidated Engineering - Loughborough
- Consort Equipment Products Ltd. - Milford Haven
Constant Power Services Ltd (CPS Ltd) - Hitchin- Consultronics Europe Ltd - Chandlers Ford
- Contact Electronics Ltd - Sutton
- Contact Radio Communications Ltd. - Newport
- Contactum Ltd - London
- Contax Ltd - Fareham
- Continental Microwave Ltd - Luton
- Contour Electronics Ltd - Hook
- Contract Purchasing UK Ltd - Stoke on Trent
- Contral Instrument Services Ltd - Grangemouth
- Contrel Ltd - Sudbury
- Control and Traceability Systems - Harrogate
- Control Engineering Solution - Larne
- Control Equipment Ltd. - Dudley
- Control Network Solutions Ltd. - Basingstoke
- Control Plant Ltd. - Woking
- Control Techniques Dynamics Ltd. - Andover
- Control Transducers Ltd - Bedford
- Controlled Speed Engineering Holdings Ltd. - Brighouse
- Controls & Drives Ltd. - Leicester
- Controls & Enclosure Technik Ltd. - Derby
- Controlsoft Ltd - Cheltenham
- Controlstar Systems Ltd - Horncastle
- Contronics Ltd. - Congleton
- Cooknell Electronics Ltd - Weymouth
- Cooknell Optronics Ltd. - Weymouth
- Cool Energy Ltd - Southampton
- Coolled Ltd - Andover
- Coolmation Ltd - Ringwood
- Coolmation Service Ltd - Markfield
- Coomber Security Systems Ltd - Taunton
- Cooper Bussmann (U K ) Ltd. - Loughborough
- Cooper Crouse-Hinds (Uk) Ltd. - Sheerness
- Cooper Engineering - Newry
- Cooper Lighting and Safety - Doncaster
- Cooper Security Ltd. - Mitcheldean
- Coopers Fire - Havant
- CoorsTek Ltd - Glenrothes
- Cope Technology Ltd - Kingswinford
- Copernica Ltd. - Banbury
- Copley Motion Systems Llc - Basildon
- Copytag Ltd - Harlow
- Corby Radio Services Ltd - Corby
- Cordic Ltd - Cambridge
- Coretech Electrical Services Ltd - Huddersfield
- Corintech Ltd - Fordingbridge
- Cornelius Electronics Ltd - Port Talbot
- Corporate Cable Solutions Ltd - Basingstoke
- Corporate Direct (Europe) Ltd - Leigh
- Corporate Information and Communication Technology Ltd - London
- Corporate Supplies Ltd. - Waltham Cross
- Corporate Telecom Systems Ltd - Corby
- Cortex Controllers Ltd. - Cambridge
- Cosarnia (U K) Ltd. - Coventry
- Cotec Technology - Guisborough
- Cotecna Inspection Ltd - Hounslow
- Cotswold Packaging Group Ltd. - Swindon
- Cottenham Instruments and Materials - Cambridge
- Coulton Instrumentation Ltd - Christchurch
- Countersales UK Ltd - Leeds
- Counting Solutions Ltd. - Corby
- County Battery Services Ltd - Nottingham
- County Scales - Nottingham
- Courtney-Thorne Ltd. - Bournemouth
- Cove Plastics Ltd. - Farnborough
- Coventry Scale Co - Coventry
- Cox (Div of Alfred Cox Holdings) - Stanley
- CP Cases Ltd - Isleworth
- CP Electronics Ltd - Wembley
- CP Power and Automation Ltd - Coventry
- CPA Instrument Services Ltd - Bootle
- CPC - Combined Precision Components plc - Preston
- CPI Electronics Ltd - Rotherham
- Cpl Circuits Ltd. - Waterlooville
- CPT ltd - Coalville
- Craft Data Ltd - Chesham
- Craftec Power Ltd. - Andover
- Cranage EMC and Safety - Market Drayton
- Crane Electronics Ltd. - Hinckley
- Cranfield Electrical Ltd - Bedford
- Cranleigh Control Company - Cranleigh
- Crawford Controls Ltd. - Rotherham
- Crawford Hansford & Kimber Ltd. - Farnborough
- Crayton Wright Ltd - Southampton
- CRD Devices Ltd - Shildon
- Creasefield Ltd. - Ilminster
- Creative Database Projects Ltd - London
- Creative Media Techniques Ltd. - Bishops Stortford
- Credowan Ltd - Chichester
- Cressall Resistors Ltd - Leicester
- Crest Forklift & Mechanical Handling Ltd. - Wednesbury
- Cricklewood Electronics Ltd - London
- Crimptech Ltd - Preston
- Crimptech National Ltd. - Leeds
- Crimpterm - Reigate
- Cris Tredwell - Birmingham
- Cristel Graphics Ltd. - Halifax
- Croft Backstop Ltd. - Leicester
- Crompton Controls Ltd. - Wakefield
- Crompton Instruments - Witham
- Cropico, Group Marketing and Communications Executive - Peterlee
- Cropton Components - Pickering
- Crosby Communications Ltd - Liverpool
- Crosland Ltd. - Batley
- Cross Electrical (Nottingham) Ltd - Nottingham
- Crossley & Bradley Ltd. - Preston
- Crouzet Ltd. - Basingstoke
- Crow Electro Ltd - Crowborough
- Crowcon Detection Instruments Ltd - Abingdon
- Crown Water Heaters Ltd. - Wolverhampton
- Croydex Ltd. - Andover
- Croylek Ltd - Coulsdon
- CRS Electronics Ltd - Ware
- CRS Engineering Ltd - Morpeth
- Crydom International Ltd - Wimborne
- CryoService Ltd - Worcester
- Cryselco Lighting Ltd - Bedford
- Crystran Ltd - Poole
- CS Electronics (Airtime Services) Ltd - Stafford
- Cse - Servelec Ltd. - Sheffield
- CSE Industrial Electrical Distributors Ltd - Bourne End
- CSEA Ltd - Blaydon on Tyne
- CSG Field Service and Hire - Pinnacle - Watford
- CSM Electronics Ltd - Wareham
- CSS Worksafe Ltd - Bromsgrove
- CST Automation Ltd - Ashton under Lyne
- Ct Electronics Ltd. - Slough
- CT Production Ltd - Poole
- Ctl Audiovisual Services Ltd. - Aylesford
- CTL Manufacturing - Stonehouse
- CTP Wipac Ltd - Buckingham
- Ctronix Ltd. - Cowbridge
- Cts Corporation U K Ltd. - Glasgow
- Cube 3 - Southend on Sea
- Cube Lighting & Industrial Design Ltd. - Berkhamsted
- Cubix Ltd. - Beaconsfield
- Cullum Detuners Ltd - Heanor
- Culver Consultancy Ltd - St Albans
- Cumbria Communications 2000 Ltd - Penrith
- Cummings Power Generation - Ramsgate
- Cummins Generator Technologies Ltd - Stamford
- Cupio Ltd - Alton
- Current Thinking Ltd. - Sunderland
- Curtis Instruments (UK) Ltd - Northampton
- Curtiss-Wright Controls Embedded Computing - Royston
- Custom Control Sensors International - Swindon
- Custom Design Mouldings Ltd. - Cwmbran
- Custom Designed Cables Ltd - Bolton
- Custom Electronic Design Services Ltd. - Stevenage
- Custom Electronics - Guisborough
- Custom Interconnect Ltd (CIL) - Andover
- Custom Labels Ltd - Bridgwater
- Custom Micro Products Ltd. - Poole
- Custom Technology Ltd - Lewes
- Custom Transformers Ltd. - Malmesbury
- Cvi Technical Optics Ltd. - Douglas
- CVSS Ltd - Basildon
- Cyber Electronics Co. Ltd. - Croydon
- Cyclops Electronics Ltd - York
- Cyfas Systems Ltd. - Shefford
- Cygnus Automotive Ltd - Cannock
- Cygnus Systems Ltd. - Aylesbury
- Cyionics Ltd. - Pontypool
- Cynergy3 Components Ltd - Wimborne
- Cypher Technology Ltd. - Leatherhead
