Company Index
- D and M Systems Ltd - Chichester
- D Benson (Controls) Ltd - Normanton
- D Cubed Ltd - Cambridge
- D Grant Crawley Ltd - Ormskirk
- D Reynolds - Bromyard
- D Squared C Ltd - St Albans
- D'Lec Components Ltd - Rochester
- D-Trak Ltd - Salisbury
- D2Mnet - Aylesbury
- D4H Creative - Northwich
- DA Systems Ltd - Bourne End
- DABS - Reading
- Dabscom plc - Bolton
- Dacoll Ltd - Sutton Coldfield
- DACS (Electrical) Ltd - Deeside
- Daedalus Computing Ltd - Bedford
- Dakota Drawing Office Services Ltd - Mitcham
- Dalton Firth Ltd - Farnham
- Dane-Elec Ltd - Chessington
- Daneswood Solutions - Exeter
- Danielson (UK) Ltd - Aylesbury
- Danoli Solutions Ltd - Ormskirk
- Dark Haven - Stoke on Trent
- Darol Plastic Machinery Ltd - St Neots
- Dash Computer Products / Nice Label - Clitheroe
- Dash Information Systems Ltd - Derby
- Data Cabling Ltd - Lincoln
- Data Capture Solutions Ltd - Slough
- Data Clinic Ltd - Bury
- Data Connect Ltd - Sheffield
- Data Consultants - Bellshill
- Data Encryption Systems Ltd - Taunton
- Data Integration Ltd - London
- Data IQ - Stockport
- Data Label - Crawley
- Data Management and Exchange Ltd - Conway
- Data Perceptions - Amersham
- Data Physics UK Ltd - Hailsham
- Data Processing Supplies Ltd - Gateshead
- Data Recovery - Systems Services - Rushden
- Data Recovery Ltd - Dublin
Data Room Supplies Ltd - Hertford- Data Set Ready - Luton
- Data Solutions Management Ltd - Whitland
- Data Systems and Solutions - SEAS - Bristol
- Data Techniques - Farnborough
- Data Techniques - London
- Data Technologies Ltd - Kirkby in Ashfield
- Data Technology plc - Uxbridge
- Data Track Services Ltd - Basingstoke
- Data Valley - Tunbridge Wells
- Data Voice Networks Ltd - Bury St Edmunds
- Data-Scan - Perth
- Databarracks - London
- Database Computers (gb) Ltd - Bristol
- Database Development - Blyth
- DataBasics Hospitalities Systems Ltd - Falmouth
- Datacore Consultants - Chelmsford
- Datacraft - Norwich
- Dataday Computer Services Ltd - Uxbridge
- Dataflow (UK) Ltd - Staines
- DataFort Ltd - Guildford
- Dataline Software Ltd - Brighton
- Datalink Electronics Ltd - Loughborough
- Datalink Transportation Ltd - Watford
- Datalogic Scanning - Watford
- Dataman Programmers Ltd - Dorchester
- Datanet Communications Ltd - Bracknell
- Dataplex Computers Ltd - Slough
- Dataplex Systems Ltd - Manchester
- Dataqwest Ltd - Corby
- Dataracks - Cambridge
- Dataserv-CES Ltd - Staines
- Datasharp Telephony Solutions - Newbury
- Datasouth UK Ltd - Southampton
- Datasupplies (Stationery) Ltd - Ryton
- Datasym (UK) Ltd - Portsmouth
- DataTaker Ltd - Cambridge
- Datatrade plc - Northampton
- Datec Technologies Ltd - Kilwinning
- Datel Business Systems Ltd - Worthing
- Datranet Ltd - Leeds
- Datum CAD Ltd - Gloucester
- Datum House Ltd - Market Rasen
- Datum International Ltd - Stevenage
- Datums Tec - Macclesfield
- Dau Components Ltd - Bognor Regis
- Daval Business Systems - Peterborough
- Dave Coton (Design) - Cwmbran
- David Anderson Associates - Saffron Walden
- David Anthony Management Selection - Thame
- David Goodenough and Associates Ltd - London
- David Nye - Cranleigh
- David Russell Associates Ltd - Broxburn
- David Winrow Marketing - Northwich
- Davinor Media and Print - Preston
- Davis (Decade) Ltd - Birmingham
- Davrus Technology Ltd - Sheffield
- Daxic Group - Milton Keynes
- Daxten Ltd - London
- Daxten Ltd - Shannon
- Daxtra Technologies Ltd - London
- Day 10 Solutions Ltd - Hook
- Day Job Ltd - Birmingham
- Daystar Computing Solutions - Manchester
- DB Computers Ltd - Bury
- DB Consulting - Windsor
- DB Graphics - London
- DBI - London
- DBL Software Ltd - Salisbury
- DBT Ltd - Fareham
- DC Allen Ltd - Poole
- DC Trading - Ipswich
- DCA Design International - Warwick
- DCG (Consulting Engineers) Ltd - Basildon
- DCL Associates - Barnsley
- DCS Associates - Bristol
- De Facto Software Ltd - Ipswich
- Dealer Systems Ltd - Leamington Spa
- Decco Hardware Distributors - Leeds
- December 8 Technologies - St Albans
- Decisions Express Ltd - Barnet
- DED Ltd - Romney Marsh
- Deepdale Consultancy Services Ltd - Southampton
- Deepdale Technical Services - Scarborough
- Deerfoot IT Resources Ltd - Romsey
- Deeter Engineering Services Ltd - High Wycombe
- Defencejobscom - Hitchin
- Delcam International plc - Birmingham
- Delcray - Swansea
- Delian Systems Ltd - Chelmsford
- Dell Computer Corporation Ltd - Bracknell
- Delmia Ltd - Knutsford
- Delphic Computer Services Ltd - Hereford
- Delta Consultants - Huntingdon
- Delta Dynamics Ltd - Ellesmere Port
- Delta Impact Ltd - Hungerford
- Deltace International Ltd - Broadstairs
- DeltaStudios Ltd - Inverurie
- Deltronics - Llanelli
- Demand Solutions (Europe) Ltd - Sutton
- Demon Internet - London
- Demopad Software Ltd - Altrincham
- Denford Ltd - Brighouse
- Denial Design - Wolverhampton
- Denman Productions - Twickenham
- Dent Instrumentation Ltd - Colne
- Dental Design Ltd - Poole
- Depo Consulting Ltd - Towcester
- Design 4 Plastics Ltd - Wetherby
- Design 5 Ltd - Windsor
- Design Analysis Solutions - Worcester
- Design Design Technology Ltd - Wrexham
- Design Haus UK Ltd - Southampton
- Design Interface Ltd - Bury St Edmunds
- Design IV - Hereford
- Design Techniques Ltd - Hinckley
- Design UK - London
- Design-Red Ltd - Warwick
- Designer Systems - Truro
- DesignFlare - Bracknell
- Designition Ltd - York
- Designworld - Cardiff
- DesignWrights Ltd - Liss
- Desktop Engineering Ltd - Witney
- Desktop Guardian Ltd - Olney
- Desktop Support Solutions Ltd (Northern) - Cheadle (Cheshire)
- Desktop Support Solutions Ltd (Southern) - London
- Detarus - London
- Detica Group plc - Guildford
- Developmentor UK Ltd - Cheltenham
- Deverill Ltd - Poole
- Devon IT - Clovelly
- Dexdyne Ltd - Cirencester
- Deycom Ltd - London
- DG Edworthy Associates - Heathfield
- DG Newmedia - Clevedon
- DG Systems Support Ltd - London
- DGCS Ltd - High Wycombe
- DGH Recruitment - Hassocks
- Di-Soft Research - Woking
- DiagnoSYS Ltd - Petersfield
- Dial Solutions Ltd - Leeds
- DIALOG - London
- Diamond People Ltd - Bromyard
- Diamond Software (Audenshaw) Ltd - Manchester
- Dick Fleming Communications - Aberdeen
- Digi International - Bristol
- Digi-Key Corporation - Abbots Langley
- Digica Ltd - Nottingham
- Digicad Designs Ltd - Keighley
- Digicomm Business Communication Solutions Ltd - Bolton
- Digimate Ltd - Ruislip
- Diginets Systems Ltd - Harrow
- Digital Applications International Ltd - Aberdeen
- Digital Applications International Ltd - London
- Digital Constructs - Rotherham
- Digital Healthcare Ltd - Cambridge
- Digital Highway Ltd - Bradford
- Digital Inspection Systems Ltd - Southampton
- Digital Licences - Hitchin
- Digital Media Infrastructure - Harrogate
- Digital Metal Ltd - Pontefract
- Digital Nerve Centre - London
- Digital Network Solutions Ltd - Norwich
- Digital Office Ltd - Dudley
- Digital Office Solutions - Crawley
- Digital Photo Solutions Ltd - Bromley
- Digital Refresh Ltd - Newcastle under Lyme
- Digital Square LLP - Blyth
- Digital TV Labs Ltd - Bristol
- Digital View - London
- DigitalPage - Coleraine
- Digitopia - Manchester
- Digitrol Ltd - Swansea
- Digits Industries Ltd - Southampton
- Dijit Ltd - London
- Dillon Technology International Ltd - Maidenhead
- Dimension Graphics Ltd - Kington
- Dingle Dell Ltd - Bedford
- DingleyDell Computer Services - Christchurch
- Dionex (UK) Ltd - Camberley
- Diptec Computer Systems Ltd - Long Eaton
- Direct Debit Ltd - New Malden
- Direct Inkjet - Montrose
- Direct Insight Ltd - Banbury
- Direct Sales Agency Ltd - Witney
- Direct Technology - Broxburn
- Direct Telecom - Huddersfield
- DirectNet Computers Ltd - Harpenden
- Disc Makers Ltd - Sawbridgeworth
- Discodog Ltd - Edinburgh
- Discount Computer Supplies Ltd - Birmingham
- Discount Domains Ltd - Telford
- Discreet - London
- Discreet PC - Edinburgh
- Diskeeper Corporation - East Grinstead
- DiskEng Data Recovery Services - Oxford
- Disking International - Chichester
- Diskovery Systems Ltd - Poole
- Disksource Ltd - Stevenage
- Display Solutions Ltd - Huntingdon
- Display Technology Ltd - Rochester
- Distinction Computer Training - Manchester
- Distinctive Systems Ltd - York
- Distributor Systems International - Dartford
- Dixon and Dixon - Newcastle upon Tyne
- DJ Consultants - Cambridge
- DJ services UK Net - Worcester
- DJC Design - Liverpool
- DJJ Precision Engineering Co Ltd - Newport (Gwent)
- DJS Electronics Ltd - Weymouth
- DL Designs - High Wycombe
- DL Tester Ltd - Walsall
- DLK Ltd - Scunthorpe
- DMC Technology - Aberdeen
- DMN Installations Ltd - Swindon
- DMS Computer Recruitment - Bedford
- DMS Systems Ltd - Shefford
- DNA Computer Services Ltd - London
- DNV Certification Ltd - London
- Do It Fluid Ltd - Swansea
- Do So Ltd - London
- Dobege International Ltd - Wilmslow
- Dobney com - Bath
- Doctor Net Ltd - Manchester
- Doctor Software - St Albans
- Documation Software Ltd - Eastleigh
- Document Intelligence Ltd - Edinburgh
- Dogfish Internet Ltd - Bungay
- Doherty Associates - London
- Dolphin iT Solutions (UK) Ltd - Chipping Norton
- Domain 2000 Ltd - Gloucester
- Domaincheck - Newcastle upon Tyne
- Domestic Computer Services - Mold
- Domino (UK) Ltd - Cambridge
- Domus Tiles - Molesey
- Door4 Electronic Publishing - Nelson
- Dorchester Typesetting Group Ltd - Dorchester
- Dorrick Services - Bracknell
- Dorset Software Services Ltd - Poole
- Dorset Web Ltd - Poole
- Dot Net IT Ltd - Cradley Heath
- DOT Solutions - Middlesbrough
- Dotcomhere Internet Services Ltd - Glasgow
- Double Click Computing Ltd - Swindon
- Doulos - Ringwood
- DOVICO Software International - Macclesfield
- Dow Corning Analytical Solutions - Barry
- DP Enhancement Services Ltd - Aberdeen
- DP Systems Ltd - Barking
- DPG/Form Fittings - Rotherham
- DPM Systems - Telford
- Dps Integro Ltd - Scarborough
- DPS International - Halesowen
- DPS Software plc - Enfield
- DPTS Ltd - Orpington
- Dragogue Systems Ltd - Oakham
- Dragon Computer Consultancy - Stourbridge
- Draig Technology Ltd - Bangor
- Dream-Designs - Aberdeen
- Dreamwurx - Chesterfield
- Drive Technology Ltd - Broadway
- Driveworks - Warrington
- DRL Systems Ltd - Southampton
- DRS Data and Research Services plc - Milton Keynes
- DRS Tactical Systems Ltd - Farnham
- Drummond Recruitment - London
- DS Group Ltd - East Kilbride
- DSI IT Services Ltd - Watford
- DSL-SAT Ltd - Gloucester
- DSP Global Ltd - London
- DT Media Ltd - Totnes
- DTA Computer Systems - Kingston upon Thames
- DTMG Ltd - Coventry
- DTP Services - Croydon
- DTS (Dyal Technical Services) - Manchester
- DTS Process Technologies - Kilmarnock
- Dundas IT - Dalkeith
- Dunstall Design Consultancy Ltd - Wolverhampton
- Durodata Ltd - Canterbury
- Dutton Simulation Ltd - Kenilworth
- Dvd Technology - Reading
- Dynamic Computer Services - Leeds
- Dynamic Data Design Ltd - Bradford
- Dynamic Data Links Ltd - Cambridge
- Dynamic Web Solutions Ltd - Reading
- Dynax Systems Ltd - Basingstoke
- DYTS - High Wycombe
