Bedrift O - Lindesnes
- Ost AS
- Ordin AS
- Oaces AS
- Osmund Norum
- Owe Rutzen
- Oeh Eiendom AS
- Oh Eiendomsutvikling AS
- Olivias Drøm AS
- Ove Hægbostad
- Osmund Norum AS
- Ove Særheim
- Olha Vernihora
- Oksana Svyrydenko
- Olivias Drøm AS
- Oversetter Christiansen
- Osestad-Røvik
- Olsens Tomtehjelp
- Osestad bygg AS
- Ocean Marine AS
- Ole Fladstad
- Ole Øystein Grimestad
- Odd Arne Haugland
- Olav Terje Tredal
- Olav Terje Fidje
- Odd Harald Engeland
- Ole Henrik Foss
- Ole Hasse Kerim
- Ole Jørgen Helle
- Odd Harry Hansen
- Odd Gunstein Engeland
- Olav Emil Vandeskog
- Olsen Maskin & Utleie
- Olivias Drøm V/ Jørgensen