Firma O - Sunndalsøra
- Overflateteknikk AS
- Obax AS
- Oc Terminal AS
- Ottem Gjenvinning AS
- Ottem Eiendom AS
- Ob Holding AS
- Ottem Resirk AS
- Oleksandr Mazurkevych
- Oleva Liashuk
- Olena Bazenko
- Ottem Gjenvinning AS
- Olha Ryndiuk
- Ottem Gjenvinning AS
- Ottem Carbonworks AS
- Olaf Børset
- Oldenborg Consulting AS
- Ottem transport AS
- Oleksii Ternovji
- Oddrun M. Bruseth
- Oxzo Technologies Norway AS
- Olav Sigurd Warmøy
- Olafsen Natur & Foto
- Opplæringskontoret Sunndal Nesset Tingvoll Gjemnes
- Odd Fellow Loge Nr. 80 Driva