Bedrift J - Klæbu
- Jomag AS
- Johan Østerås
- Jørgen Bakken
- Jonettaplassen Borgen
- Julie Nilsen AS
- Jam Invest AS
- Jonettaplassen Gårdsbarnehage AS
- Josa Bygg AS
- Jonettaplassen Gårdsbarnehage AS
- Jens Kosberg
- Jon Sandvik
- Jf Eiendom AS
- JS Tomteutvikling AS
- Ju Tech AS
- Jonas Aeonair Smith
- Jorun Kraft Mo
- J S Holding AS
- Jan Magne Høstland
- J J Eiendom AS
- Jiqu Jimmy Quist
- Jon Nordsteien Arkitekt Mnal
- Jobbsøk V/ Roar Nessø