Bedrift J - Snarøya
- Jaktspanielklubben
- Jobi AS
- Jevi AS
- Jahold AS
- Jusila AS
- Jacan AS
- Jahren Jussundervisning
- Johannes Hålien
- JGB Corporate AS
- Jmt Vedlikehold AS
- Jfa Invest AS
- Jorgos Kofina
- Jaf Finans AS
- Jenny Holding AS
- Jupe Invest AS
- Jens Philip AS
- Jf Projects AS
- Jkb Invest AS
- Jefeff Invest AS
- Johannessen Kaare Jens
- Johannessen Jan Vinsents
- Jp Lasco Studio
- Joukhah Dar Drosje
- Jay-Ar Buquiran
- Jannicke Bjørklund Fredriksen
- Jan Mikael Luksepp
- Jahr Helse og Trening
- Jan Yngve Mysen Bjargo
- Jit Ent Erik Akram Nahiry
- Jwp Arkitekter Jørn Wold-Pedersen