Bedrift J - Bjorbekk
- Jkh Holding AS
- J Larssen
- Jc Dahle
- Jotin Ottersland
- Jor Holding AS
- Johnsen Gravstell
- Jacobsen VVS AS
- Jensen Trygve
- Joakim Lund
- Jan Øystein Aanonsen
- Jørgensen Music Entertainment
- Jon Arne Myrvang
- Jan Arild Rørvik
- J Isaksen Consult
- Jan Erik Olsen
- John A Bøe
- Jawor Transport og Vedlikehold Krzysztof B Jawor