Bedrift J - Raufoss
- Jomach AS
- Jozef Zombori
- Joker Invest AS
- Johansen Knut
- Josk Holding AS
- Johan Skundberg
- Jh Casings AS
- Jh Engineering AS
- Jørgen Dalen
- Jh Projectiles AS
- Jørn Kjellbakken
- Jørgen Sælids Minnefond
- Jørgen Sælids Minnefond
- Jostad Tor Erik
- J Karlsen Eiendom AS
- Jenssen Dead Music
- Jz Renhold Zilinskiene
- Jan Halvard Dalen
- Johanne Strand Enger
- Jolanta Golebiewska Renhold
- Jørn Kjellbakken Transport
- Joakim Haug Sannerud Konkursbo
- Joakim Haug Sannerud Konkursbo
- Jehovas Vitner - Gjøvik Menighet
- Juul Arkitektur & Design
- Jarles mur & flis
- J.K.Varme og Service AS
- Jan Børres Servicetjenester Jan Børre Wærås
- Jensen Import og Salg Elin og Bent Jensen