Aerospace Company Index - D
- D & H Engineering Ltd - Leicester
- D & V Fuels - Wrexham
- D B Dental Equipment Ltd. - Brighouse
- D D D Ltd. - Watford
- D D S A Pharmaceuticals Ltd. - London
- D Duggin - Oxford
- D F Hodges - Ashington
- D F O (U K) Ltd - Kilwinning
- D Moss Crown & Bridge Ltd - Newcastle upon Tyne
- D P Medical Systems Ltd. - Chessington
- D.R.M. Equipment Ltd - Horsham
- Dale (Mansfield) Ltd - Mansfield
- Dale Kj Orthotech Dental Laboratory - Cradley Heath
- Daltons Demolitions Ltd - Edinburgh
- Daniels Healthcare Ltd - Tring
- Dansac Ltd. - Cambridge
- Data (Southern) Enterprises Ltd - Fareham
- Data Acquisition and Testing Services Ltd - Derby
- Dau Components Ltd - Bognor Regis
- David Bowler and Sons Ltd - Southampton
- David Keers - Belfast
- David Ormerod - Lymington
- David Ormerod Hearing Centre (Weston super Mare) - Weston super Mare
- David Ormerod Hearing Centres Ltd (Birkenhead) - Birkenhead
- David Ormerod Hearing Centres Ltd (Southport) - Southport
- David Ormerod Hearing Centres Ltd. - Llandudno
- Davida (U K ) Ltd. - Birkenhead
- Davidson & Hardy (Laboratory Supplies) Ltd. - Belfast
- Day Lewis Medical Ltd - London
- DCA Design International - Warwick
- De Maeyer Ltd - Stanmore
- De Pharmaceuticals - Manchester
- Dearson Tools Ltd - Birmingham
- Dechra Ltd - Stoke on Trent
- Dechra Pharmaceuticals Plc - Stoke on Trent
- Dee Pharmaceuticals Ltd. - Wrexham
- Definitive Test Automation - Gosport
- DEL Industrial Fastenings Ltd - Fleet
- Delichon Ltd. - Fordingbridge
- Deliver Net Ltd - Skipton
- Denbond Pharmaceuticals Ltd. - Surbiton
- Dencare Ltd. - Erith
- Dene Healthcare Ltd - Ilkley
- Dent.O.Care Ltd - London
- Dentafix (U K) Ltd. - Camberley
- Dentafix Uk - Camberley
- Dental Artist Art - Leeds
- Dental Composite Ltd. - Erith
- Dental Devices & Supplies Ltd. - Loughborough
- Dental Healthcare Products - Birmingham
- Dental Intergrated Systems Ltd - Plymouth
- Dental Laboratory - Birmingham
- Dental Plastics Co. Ltd. - Belvedere
- Dental Repairs A6 - Stockport
- Dental Saver (Uk) - Clevedon
- Dentalshop - Bedale
- Dentanurse UK Ltd - Hereford
- Dentaquip Ltd - Lisburn
- Dentech 2 Ltd. - Sheffield
- Dentech Developments Ltd - Sheffield
- Dentech Services Ltd. - London
- Denture Shop - Atherstone
- Denture World - New Milton
- Depuy C M W - Blackpool
- Depuy International (Holdings) Ltd. - Leeds
- Derby Optical Co Ltd - Derby
- Derma Uk Ltd - Hitchin
- Dermastar Ltd - Leicester
- Design Triangle Ltd - Cambridge
- Designed Disability Access Lifts Ltd - Newton Aycliffe
- Designed for Safety - Hemel Hempstead
- Designer Dental Marketing Ltd - Middlesbrough
- Desmond & Co Ltd - Dorchester
- Devon Hearing Care - Kingsbridge
- Devon Rubber Co Ltd - Ivybridge
- Dewetron UK Ltd - Faringdon
- Dexcel-Pharma Ltd. - Daventry
- Dhb Oral Healthcare Ltd - Chessington
- Diagmed Healthcare Ltd - Thirsk
- Diagnostic Reagents Ltd. - Thame
- Diagnostic Systems Ltd - Belfast
- Diamond Coatings Ltd - Halesowen
- Diasys Ltd - Wokingham
- Dickinson Philips and Co - Skipton
- Didsbury Direct Ltd - Wilmslow
- Diesel Power Ltd - Mitcham
- Digital Hearing - Hillsborough
- Digital Hearing Care Solutions Ltd - Keighley
- Digitone Ltd. - Verwood
- Din Fasteners Ltd. - Crawley
- Diphex Ltd - Maidstone
- Disabled Equipment - Nottingham
- Disablement Service Centre - Hartlepool
- Discreet Hearing Associates - Banbridge
- Display Technology Ltd - Chatham
- Disposable Medical Equipment Ltd - Woking
- Disposable Medical Instruments Ltd - Bury St Edmunds
- Dista/Lilly and Co Ltd - Basingstoke
- Distributed Technology - Oxted
- Diva Cosmetics Ltd. - Poole
- Divex Ltd - Westhill
- DJ Evans (Bury) Ltd - Bury St Edmunds
- Dj Surgical Appliances - Guildford
- Doctors Orders Ltd - Doncaster
- Dolby Medical Ltd - Stirling
- Domantis Ltd. - Cambridge
- Donald Heath Cartons Ltd - Huddersfield
- Donald Ward Ltd. - Swadlincote
- Donald Wardle and Son Ltd - Stoke on Trent
- Dorman Engineering Services - Loughborough
- Dorset Orthopaedic Co. Ltd. - Ringwood
- Dorset Scrapstore - Poole
- Down Surgical Ltd - Downpatrick
- Doylecroft - Banbury
- DPGE Rebuilds Ltd - Chippenham
- Dr Jelpke & Dr Hapgood Ltd - Nottingham
- Dr Paul Hogg - Helston
- Dr. Falk Pharma Uk Ltd - Bourne End
- Dr. Reddy's Laboratories (Eu) Ltd - Beverley
- Draeger Medical Uk Ltd - Hemel Hempstead
- Drapers Recycling Ltd - Hull
- Drayton Recycling - Slough
- Drb Resources Ltd - Stourport on Severn
- Drugmart Ltd - Rochdale
- Drydent Dental Laboratory - Harrow
- Dtr Medical Ltd - Swansea
- Dudley Surgical Appliances Ltd. - Tipton
- Duffell Tc - Newcastle upon Tyne
- Durbin Plc - Harrow
- Durham City Shopmobility - Durham
- Durr Dental (Products) U K Ltd. - Kettering