Bedrift O - Nesøya
- Ojho AS
- Oceanmar AS
- Offerify AS
- Ohaco AS
- Ogeco AS
- Oceanmar AS
- Olabakken Invest AS
- One Ihr AS
- Ofi Invest AS
- Ocean Consulting AS
- Ognjanovic Enterprise
- Oddmund Teigen
- Origo Alpha AS
- Osen Agenturer AS
- Open Eyes AS
- Okay Kaya AS
- Odden Invest AS
- Ozone Scandinavia AS
- Ole G Bråthen
- Ole Kristian Roald
- Ole Magne Kalgaard
- Ole Magne Kalgaard
- Ocean Tribute Limited
- Origo Alpha Mellom AS
- Odea Design Omanovic
- Oslo Studio Hub AS
- Osk By Oskar Haraldssøn
- Ole Magne Kalggard Adm AS
- Oakhome Venture / Eikheim
- Oggi Interiør og Design AS
- Oslo og Viken Bygg AS Konkursbo
- Ok Tekst Ole Kristian Ellingsen
- Oslo og Viken Bygg AS Konkursbo
- Oberst Rodes vei 82 B AS