Bedrift J - Auli
- Jaworska Byggservice
- Jeanette Johansen
- Jurkonis Workshop
- Jtk Holding AS
- Jan Stabbetorp
- Jordnes Holding AS
- Jan Aleksandersen
- Jan Aas AS
- Joto Investments AS
- Jan Fredrik Hertzenberg
- Jan Rune Tørnby
- Jakob Andreas Moen
- Jane Nilsen Bjørnstad
- Johnsgaard Mette Sophie
- John Gadderud Transport AS
- Jernbanens Musikkorps Oslo
- Janse van Rensburg Multitjenester
- Jehovas Vitner - Krets 3
- Jahre & Jahre Holding AS
- Joanna Renhold Service Joanna Justyna Kamionka