Bedrift D - St. Hanshaugen
- Dundring AS
- Dunvegan AS
- Davb AS
- Dogman AB
- Datablock AS
- Din
- Dievo AS
- Doulamarina
- Dokumentarfilmverkstedet DA
- Dokken
- Dao AS
- Danskebygg AS
- Drejer
- Diwala AS
- Dayon AS
- Dreamcatchers AS
- Digitalex AS
- Dasic AS
- Dapper AS
- Dexxpro AS
- Daimyo AS
- Dr. Rosenberg
- Dutta Asfish
- Distad Consulting
- Dammens Legepraksis
- Dorte Walstad
- Delta - Kattaaksjonen
- Darri Thorsteinsson
- Dons Kulturformidling
- Dovydas Bajercius
- Daniel Nails AS
- Devik Katharina
- Dalbeck Takst AS
- Daniel Nails AS
- Danger Holding AS
- Diva Frisør
- Dr. Filtvedt
- Daniel Barradas
- Dalen Media
- Dagslott Design
- Dykesteen Holding AS
- Dalen TV AS
- Demre Forlag AS
- Dievo Holding AS
- Decoration Oslo AS
- Davyd Lebedovskyi
- Designit Oslo AS
- Diana Jakobsen
- Drøyvollsmo Consult
- Diana Jakobsen
- Dhr Holding AS
- Duesund Amalie
- Dvest Holding AS
- Dugg Design AS
- Daniel Faldmo
- Di Fiore
- Drangevåg Design
- Daysh Invest AS
- Dean Sally
- Dardaye Bah
- Daniel Pappa
- Duam Holding AS
- Darresgate Dagligvare AS
- Dre Holding AS
- Dignitas Regnskap AS
- Dapper Barbershop AS
- Dq Equipment AS
- Dp Sagene
- Daimyo Management AS
- Db Journey
- D-Street Borettslag
- David Dawson Foto
- Davik Ingeborg Sjølie
- Dorota Halina Szabelan
- D-Street Borettslag
- Dd Hanssens Humortøys
- Darien Dara Hassan
- Dina Margrethe Støve
- Don Lawrence Arkitekt AS
- Den Jødiske Barnehage
- Det Mosaiske Trossamfund
- Dirty Drehers Drop
- Det er Bælmbar DA
- David Gunneng Kunst
- Data Experience Victorelli
- Digital Identity Nordics
- Design Teknologi Wasta
- Digital Identity Nordics
- Dr. Crunchy Waldemar AS
- Dagne Aurora Karevoll
- Dnn Deniss Ivanovs
- Daniel Medhaug Musikk
- De Turckheim Production
- Dragos-Nicusor Bratescu
- Darres gate Ventures AS
- Didrik Vareide Holding AS
- Design Without Borders
- Den Røde Gorilla AS
- DNB Eiendom AS Avd St Hanshaugen
- Desiland Mala Wang-Naveen
- Domino's Pizza St. Hanshaugen
- Demisses Beauty And Fashion
- DNB Eiendom St. Hanshaugen
- De Guio Syvertsen Arkitekter
- Dåsnes Ord og Bilder
- Draz Flytte Transport Service
- Dsk Smykker og Tilbehør
- Dream Haven Nordby Lunde
- Delivery Hero Dmart Norway AS
- Death By Unga Bunga AS
- Debet Faktura og Inkasso
- Det Evangeliske Trossamfunn - Nasareerens Kirke
- Deli de Luca St. Hanshaugen
- Darin Thai Massasje Chinapha Luanglue
- DJ Soulshock Yannick de Brito
- DJ Nate Nathan Russom Nerayo
- Deli de Luca Alexander Kiellandsplass
- Daniel Bryn Film Daniel Bryn Larsen