Bedrift J - Frekhaug
- Jordal
- Jostein Skjellanger
- J&Ke Samport AS
- Jensen Design
- Jostedal Handel AS
- Jm Bergesen AS
- Jørgen Olsvoll
- Jonas Onarheim
- Jol Holdings AS
- Jega Holding AS
- John Roald Fløysand
- Jan Inge Brakstad
- Jannicke Wisløff Åsebø
- John Hjertås Sulebakk
- Jonatan Solheim Musikk
- Jan Arve Birkeland
- Jarl Frederik Dalgaard
- Juchna Sane Operations
- Jan Audun Sagstad
- Jog Home & Living AS
- Jog Home & Living AS