Bedrift J - Greåker
- Janas AS
- Jonas Groth
- Johansen Rune
- Julia Jarvienko
- Jan Montasje DA
- Jansen Media
- Jan Larsen
- Jansen Samtaletjenester
- J&S Invest AS
- J&S Import AS
- Jazzy Ungdomsbedrift
- Jurica Bacurin
- Jelsuvjevs Dmitrijs
- Juletreplantasje Ødegaard
- John Kristianslund
- Jåvold Audun
- Jeb1 Holding AS
- John Invest AS
- Jega Invest AS
- Jung Jas Helhetsterapi
- Jensen Betula Gartnerservice
- Jahr Happy Optics
- Jarle Brandstorp Vaktmestertjenester
- Jørgen Skjelin Holding AS
- J.H Rørleggerservice AS
- Jørgen Klaveness Eiendom
- Jakomina J. Muilwijk
- Jorund E Melby
- Jan-Arne Raab
- Jon Håvard Agnalt
- Jan Roger Kristiansen
- Julian Mountain Fjeld
- Jørgen Klaveness Consulting
- Jørgensen & Jacobsen Eiendom AS