Bedrift O - Sunndalsøra
- Overflateteknikk AS
- Obax AS
- Olena Chobauian
- Olaf Børset
- Oksana Hoidenko
- Oleksii Blashchuk
- Ottem Gjenvinning AS
- Ottem Gjenvinning
- Ottem Gjenvinning AS
- Oleksii Ternovji
- Olena Bazenko
- Oda Svendgård
- Oleksandr Mazurkevych
- Ottem Carbonworks AS
- Ob Holding AS
- Ottem Eiendom AS
- Oldenborg Consulting AS
- Ottem Resirk AS
- Overaae Sunndal AS
- Ottem transport AS
- Oda Connect AS
- Oc Terminal AS
- Oddrun M. Bruseth
- Oxzo Technologies Norway AS
- Olafsen Natur & Foto
- Opplæringskontoret Sunndal Nesset Tingvoll Gjemnes
- Odd Fellow Loge Nr. 80 Driva
- O.B.Bersven - Forfatter Ole Bersvend Pedersen