Bedrift J - Høyenhall
- Jovosoft AS
- Jajim AS
- Jansberg Consult
- Jvd Holding AS
- Jakub Peda
- Juba Bryn
- Juvente Bryn
- Jimj Invest AS
- Jansen Prosjekt AS
- Jeka Invest AS
- Jansen Investering AS
- Jørstad Magnus
- Johannesson Serviceassistanse
- Jørgen Sørlie Yri
- Janne Kristin Schanke
- Janssen Malin Ridder-Nielsen
- Jørgen Tønseth Spiller Plater