Bedrift J - Grefsen
- Josefine
- Johannessen
- Jahalst AS
- Jr Investments AS
- Jfremming Invest AS
- Johnstone Foto
- Jølstad Fagforening
- Jostein Rise
- Jb Maling AS
- Jadda Holding AS
- Jb Maling AS
- J. Westervoll
- Josefine Visescene
- JS Brox
- Jansen Forskningsformidling
- Julia Torjak
- Julian Söderberg
- Jannike Huseby
- Jostein Hallen
- Julia Torjak
- Jorun Jensen
- Johansen VVS AS
- Jonas Haugen
- Jems Holding AS
- Javad Moghimi-Parsa
- Johnsen Cecilie Cavallie
- Journalist Sigri Sandberg
- Jenny M. Rørvik
- Jenny Marie Rørvik
- Joana Peace Mungal
- Jens Bernhard Grøgaard
- Jael Esilaba Mbeya
- Jølstad Begravelsesbyrå Grefsen
- Johnsen Rita Marion
- Jølstad Begravelsesbyrå Avd Oslo
- Jens Ivar Brox
- Johnny Leo Olsen
- Jørn Simen Øverli
- Johnny Leo Olsen
- Jølstad Petter Andre
- J.R. Holding AS
- Jibo Jill Bottolfsen
- Jahr & Døtre AS
- John Arvid Haukeberg
- Jon-Arild Eberson
- Jan-Robert Lund
- Johannessen Arne Christian
- Jorun Jensen Psykologhjelp
- Jonas Østhassel Film
- Jan Meling Holding AS
- Julie Elise Hauge AS
- Jacobsen-Pearson Patrick
- Johansen Medant Konsult
- Jan Victor Qian
- Johansen Ruben JT
- Jonas Fremstad Holding AS
- Job Health Consulting AS
- Johan-Egil Storsveen
- Ja Falk Eiendomsanalyse- og Utvikling