Pharmaceuticals Company Index - D
- D and D Engineering (Hull) Ltd - Hull
- D B Dental - Brighouse
- D H Industries Ltd. - Basildon
- Dairy Pipe Lines - Saffron Walden
- Dakota Pharma Ltd - Salford
- Daks Restaurant - London
- Dallas Burston Ashbourne Ltd - Market Harborough
- Daniel Galvin Product Division Ltd - London
- DaRo UV Systems - Sudbury
- Database Sciences Ltd - Esher
- David Ormerod Hearing - Gloucester
- David Ormerod Hearing Centres Ltd (Bath) - Bath
- David Ormerod Hearing Centres Ltd (Evesham) - Evesham
- Dawson Property Services - London
- Definitive Hearing - Preston
- Dental Decontamination Ltd - Lytham St Annes
- Dental Dynamix Imaging - West Malling
- Denturecare Ltd - Doncaster
- Design Technology International Ltd - Ipswich
- Designer Resin Floors - Battle
- Diagenics Ltd - Milton Keynes
- Diaphragm Pumps Ltd - Stoke on Trent
- Digital Hearing Healthcare - Jersey
- Direct Engineering and Site Services Ltd - Chesterfield
- Discoverx Corporation Ltd - Birmingham
- DMN UK Ltd - Calne
- DRB Group - Deeside
- Durbin (U K ) Ltd - Harrow
- Dynex Technologies (Guernsey) Ltd - Guernsey