Bedrift J - Ekeberg
- Jgruppen AB
- Jowst AS
- Jøssang
- Jpo AS
- Javino AS
- Jstra AS
- Jessheimhagen Boligsameie
- Jon Harthug
- Jessheimhagen Boligsameie
- Johanne Haugland
- Josvanger Service
- Jansen Industridesign
- Janjusevic Marina
- Jhts Fremtid AS
- Jernkroken 18 AS
- Jalali Rouzbeh
- Juhar Transport
- Johnny Lausund
- Johnsen Byggetjenester
- Jackson Studio
- Johnsen Markedsføring
- Johansen Helseberedskap
- Jira Holding AS
- Jgl Service AS
- Johannesson Ventilasjonsmontasje AS
- Jarisa Holding AS
- Jevnaker Consulting
- Jonas Stava
- Johansen Musikk
- Jonux Stories
- Jo Sleperud
- Jostein Haraldseid
- Johnsen Drums
- Jih Invest AS
- J&L Invest AS
- Juri Holding AS
- Jul Kapital AS
- Joy Holding AS
- Joakim Vikanes Musikk
- Jacobs & Turner Ltd
- Jostein Christensen Holding AS
- Jon Hamre Teaterpedagog
- Julie Brauteset Henning
- Jeremie Geffard - Filmmaker
- John Erik Nyhaug
- Jørn Berge Mediamanagement
- Jacob Berg Thomassen
- Jr Ewing Music Da
- Juan Carlos Charcomet
- Jöhnk Bendik Orla
- Jøtun Åsmund Fauske
- Jan-Sverre Syvertsen
- John Lennox Harper
- Jeanette Raad Consulting
- Julie Hegna Gundersen
- Jon Gaute Espevold
- Jane Marie Slåtsveen
- Jørn Inge Halvorsen
- J Sandvik Holding AS
- Jon Sigurdsen Invest AS
- Johansen Klokker og Klær
- Johansen Linn Kristine Byre
- Jovialkontoret Sofia Knudsen Estifanos
- Johanna Carin Nyström Film
- Jenny Jorde Lundes Enkeltmannsforetak
- Jonas Stava Motion Design
- Jose Orlando Cavadore Santos
- J B Malerservice Bergman
- Joi Foto Johannes Kjartansson
- Jørgensen Musikk og Service
- Jern og Bygg Oslo AS
- Jacoo Musicproduction Joachim Lundsgaard Christiansen
- Jannicks Artist Promotion - Jap Jannick Jessen