Bedrift D - Kjelsås
- Dekorhuset AS
- Dropkick AS
- Drømmetrapp
- Dalum AS
- Dyor AS
- Dalan Stella
- Dysleksi Oslo
- Danzbud Grzebala
- Dragland Interiør
- Dea Eiendom AS
- DA Rocha Fotball
- Dinrørlegger.no AS
- Din Trapp AS
- Dtw Holding AS
- Defi Invest AS
- Daleng Invest AS
- Dreng Utvikling AS
- Deeyah Khan
- Dawat Hallen AS
- Damfaret 43
- Demirbas Holding AS
- Dyrskuevegen 22 AS
- Dugg Live DA
- Damfaret 43
- Desibel Thomas Hukkelberg
- Dan C. Jansen
- Dansepedagog Madeleine Wallroth
- Dharshika Christopher Underholdning
- Douglas Craig Golf
- Deep Ocean Holding AS
- Downs Syndrom Oslo
- Dpb Erik Sagen
- Dagens Brød Nærbakst AS
- Datamaster Mahayub Mahayub Mohamed
- Doktor T A Øverby
- Diplomacy At Work Fjærtoft
- Dinrørlegger.no Sævar Reynisson
- Dr.Ing. Kjell Øren AS
- Dreams Lab-Lauria Luca Lauria
- Digitale Illustrasjoner Peder Hornseth Nygaard