Bedrift J - Os
- Jan2 AS
- Juridium AS
- Jinert AS
- Jintec AS
- Jannicke
- Jøssang Media
- Jevgenijs G AS
- Jordmorsvingen 4 AS
- Jkg Service AS
- Joachim Gill AS
- Janne Skaathun
- Jkg Utleie AS
- Jj Murflis AS
- Jensen Cato
- Jysk Os
- Janis Januls
- Jostein Sælen
- Jansen Industriteknikk
- Jarle Holstad
- Jan Haukeland AS
- Jeda Holding AS
- Jada Pain
- Javino Invest AS
- Johnsen Corp
- Jobbfront AS Konkursbo
- Jobbfront AS Konkursbo
- Jsd Invest AS
- Jomo Fordyr AS
- Johannes Ravnskog
- Jon Haaland
- Jøran Waldeland
- Jari Holding AS
- Jadakameratene Il
- Jitmo Holding AS
- Jho Eiendom AS
- Joan Transport AS
- J. Hellesund
- Jan Peters
- Jakob Haugen Dødsbo
- Jkg 24 Holding AS
- Janssens Riktig Fyr
- Jon Søfteland Sæbø
- John Hauge Media
- John Alan Haugland
- John Arve Halhjem AS
- J.O Bolstad
- Jazz Frå Os
- Jonas Bratlund-Mæland
- Jonas Nordvik Dale
- Jolted Transmissions Dean
- JT Grindheim Invest AS
- Jørgen Roberg Nielsen
- Jarle Pedersen Pt
- Jørgen Alfheim Konkursbo
- Jørgen Alfheim Konkursbo
- Jarl-Henning Hetleflåt
- J-H Hetleflåt AS
- Jan Magnus Haaland
- Jan Helge Halleraker
- Johan Bøe Tømmerbakke
- Johannessen Kartografi og Geomatikk
- Jon Søfteland Sæbø Jordbruk
- Jaran Gustavsen Ff Consult
- Jan Rune Sund Sport
- Johansen Pt og Helse
- Jørgensen Sau og Søm
- John Sælen & Sønn AS
- Jarbeaux Media & Management AS
- Jho Maskin og Transport AS
- J Lyssand Service Jarle Lyssand
- Johs Sælen & Sønn Eiendomselskap AS
- Just Elektronikk & Data Erik Just Olsen