Bedrift O - Ålgård
- Ominatur
- Orvinvest AS
- Ormen AS
- Operasjon Nehemja
- Omc Stavanger
- Obsido Holding AS
- Omc Stavanger
- Opstad Auto AS
- Olaus Kyllingstad
- Opstad Velforening
- Osen Sameie
- Onetland Holding AS
- Optimal Transport
- Opstad Butikktelefon
- Opstadveien Eiendomsutvikling AS
- Oddgeir Helland
- Oddeheia Renseanlegg
- Ola Hølland
- Oa Investering AS
- Oslo Taxi AS
- Ola Sømme
- Onar Lima
- Olav Vadla
- Ole Auestad
- Olav Hareland
- Olaus Kyllingstad
- Ove-Morten Grødeland
- Ola Vigesdal Oftedal
- Odd Arve Johansen
- Ove Helge Skråmestø
- Outlet Hallhuber Ålgård
- Oilfield Drilling Invest AS
- Owen Bautista Laspinas
- Odd Arne Aadneram
- O. C Invest AS
- Obs Bygg Ålgård
- Olav Ingvard Helland
- Olavs Hot Rod Garage AS
- Off She Goes By Runa Grydeland
- Olav Magnus Oftedal Dødsbo, ved Bobestyrer Advokat Bernt T Thin