Bedrift J - Ullevål
- Jonana AS
- Juul Consulting
- Jarosz Bygg
- Jurij Lukasevic
- Jøran Rudi
- Johannes Lavik
- Jordnært Press DA
- Johannes Rolin
- Jenju Invest AS
- Julian Hagemann
- Junior Holding AS
- Johannes Rød
- Johansens Metode
- Janni Eriksen
- Jbw Invest AS
- Jnorum Invest AS
- Jba Holding AS
- Judoregion øst
- Judoregion øst
- Judoregion sør
- Just Action AS
- Jih-Holding AS
- Jermund Hoem
- Jakob Holst
- Jernia Stadion
- Jutul Kanvas-barnehage
- J.H. Stålindustri
- Jølsenslillenettbutikk Diana Jølsen
- Jawara Transport Service
- Jens Veseth Furuholmen
- Journalist Solfrid Skaret
- John Erik Riley
- Joanna Aalstad Bækkelund
- Jens Helle-Valle
- Jakob Gullvåg Kepple
- Johanne Fronth-Nygren
- Jan Trygve Fløysvik
- Jacob Iuel - Hersoug
- John Bratås Hurry
- Jmt Holding Company AS
- Japo Sushi Ullevål
- Jökull Sverrisson Booking
- Jordells Golf Academy
- Japo Sushi Sognsvann AS
- Jack Alistair Crow Whylde
- Jose David Yesquen Sanchez
- Joakimsen Analgesi og Palliasjon
- Jageneaas Jens Ugelstad Aas
- Johannessen Bendik-Bendik Syversætre
- Jon Martin Henriksen Media