Bedrift O - Haugesund
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- Ole Andreas Knutsens Feriehjem for Ansatte
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- Otto Johannessens Fond til Innkjøp Av Bildende Kunst
- One Bil Transport & Services Emmanuel Obinna Nwankwo
- Organization Of Burundians Roots In Norway ( Obrn )
- Organization Of Burundians Roots In Norway ( Obrn )