Bedrift O - Vormsund
- Oaj AS
- Ove Lure
- Owe Grauphaugen
- Ove Lure AS
- Ove Einar Bjerkemoen
- Ole Kristian Thesen
- Ole Einar Bakke
- Ole Morten Thoresen
- Okmedia Ole Kaldal
- Oldboyz Gaming Community
- Ole Einar Bakke
- Ole Einar Bakke
- Oppegaard Christian August
- Ole Martin Runden
- Ole Magnus Jacobsen
- Ole Pål Nordbye
- Old Tractor Booking&Management Bergroth
- Ole Andreas Raffelsen Johnsen