Bedrift O - Råde
- Ole Aakeberg
- Olena Tseluiko
- Oleksandr Mazhula
- Olena Palaznik
- Olena Katasarska
- Olena Yakusheva
- Olena Karsarska
- Oluf Høy
- Olimb Rørfornying AS
- Olimb Group AS
- Oven Camping
- Oksnøen Holding AS
- Oksnøen Leir
- Ovanes Zalian
- Olena Opushanska
- Oleksii Hnitko
- Olimb Eiendom AS
- Oleksii Zabroda
- Olimb Offshore AS
- Olena Petrinich
- Oleh Yakovliev
- Oksana Lynnik
- Oleksandra Demeztrenko
- Oleksandr Velykodnyi
- Olena Kateryniuk
- Oleksandr Rybas
- Oleksandr Berezorudskyi
- Oleh Bavykin
- Oleksander Haluszczenko
- Oleksii Balahura
- Oslofjorden bygg AS
- Omexom Råde
- Olimb Anlegg AS
- Olimb Holding AS
- Olav Odden
- Orelien Eiendom AS
- O Design Mikolajczyk
- Olivit Berge Bergan
- Oddvar Asbjørn Arnesen
- Olimb Rørfornying Holding AS
- Olga Marie Grimstad
- Olav Ingebjørn Moe
- Ole-Einar Strømnes
- Ole Henrik Ramstad
- Ole Ingar Andersen
- Ollila Pasvik Taiga
- Ole Johan Holmen
- Oksnøen gård Eivind Simonsen
- Online Coaching Silje Katrine Dahlby
- Office Data Products Sven Heyerdahl
- Opplæringskontoret for Bygg og Håndverksfag i Østfold