Firma J - Klæbu
- Jomag AS
- Jf Eiendom AS
- Jam Invest AS
- Jorun Rundhaug
- Josa Bygg AS
- Janusz Zietkowski
- Julie Nilsen AS
- Jon Sandvik
- JS Tomteutvikling AS
- Jørgen Bakken
- Jens Kosberg
- Jonettaplassen Gårdsbarnehage AS
- Jonettaplassen Gårdsbarnehage AS
- Jonettaplassen Borgen
- Jan Magne Høstland
- Joakim Stein Andreassen
- J J Eiendom AS
- Jiqu Jimmy Quist
- Jorun Kraft Mo
- Jonas Aeonair Smith
- J S Holding AS
- Jon Nordsteien Arkitekt Mnal
- Jobbsøk V/ Roar Nessø