Firma O - Skøyen
- Osg30 AS
- Othrik AS
- Octi AS
- Officeteam AS
- Oliasoft AS
- Oikos AS
- Opak AS
- Opak AS
- Oxivisuals AS
- Oscarsløkken AS
- Opak AS
- Odisy AS
- Octopoda AS
- Oyv AS
- Opm AS
- Olivenkammeret AS
- Orkla ASA
- Oreberg AS
- Otivio AS
- Orkla ASA
- Oivi AS
- Oxx AS
- Oles AS
- Oiko AS
- Olyx AS
- Overo AS
- Ogieglo Zbigniew
- Os-IX AS
- Ohmart/Vega Corporation
- Otto Junker Gmbh
- Osterhaugsgaten 7 AS
- Oro Finans AS
- Odin Røhrt
- Oro 40 AS
- Oro 43 AS
- Oro 45 AS
- Oro 42 AS
- Oro 39 AS
- Oro 38 AS
- Oro 44 AS
- Oro 41 AS
- Oro 37 AS
- Oro Verkstedhallen AS
- Oro Karihaugveien AS
- Oak Management AS
- Oro 21 AS
- Oro Gruppen AS
- Oslo Ishockeyklubb
- Orlando Holding AS
- Oro Havnegaten AS
- Oro Trondheimsveien AS
- Oro 9 AS
- Oro Stokkamyr AS
- Oro Hotell AS
- Oro Living AS
- Oro 24 AS
- Oro 23 AS
- Oro 18 AS
- Oro 22 AS
- Oro 17 AS
- Oro Sandakerveien AS
- Oro 20 AS
- Oro Hotelldrift AS
- Oro 25 AS
- Oro 30 AS
- Oro 27 AS
- Ola Enkerud
- Oh My!
- Oro Persveien AS
- Oro Prosjekt AS
- Oro 19 AS
- Oslo Ishockeyklubb
- Oslo Tennisklubb
- Oslo Tennisklubb
- One Management AS
- Ol Invest AS
- Oro Eiendomsdrift AS
- Oslo Frivilligsentraler
- Omega Accounting AS
- Oscar Belgau
- Onkel Jørn AS
- Ottosen Consulting
- Olsens Enke
- Olena Prylipko
- Olha Selikhova
- Oksana Mykhailowy
- Oleksandr Lytvynov
- Olsen Terje
- Obygg Invest AS
- Oslo Teppeservice
- Oslo Patentkontor AS
- Oscar IV ANS
- Oslo Hodepinesenter AS
- Omega Holdingselskap AS
- Omis Norge AS
- Opak Gruppen AS
- Omega 16 AS
- Omega 15 AS
- Omega 17 AS
- Oslo Vaskeri A/S
- Oslo Revisjon AS
- Oslo Revisjon AS
- Orkla ASA Pensjonistforening
- Orkla Investeringer AS
- Orkla Energi AS
- Octopus Eiendom AS
- Ovc Bettergy AS
- Ovc Inventure AS
- Olivia Import AS
- Oslo Hodepineklinikk AS
- Oslo Nevro AS
- OMI-klinikken
- Orkla Holding1 AS
- Orkla Design AS
- Orkla Trading AS
- Opv Consulting AS
- Orkla IT AS
- Orkla Eiendom AS
- Orkla forbrukerservice
- Ovc Clouditem AS
- Oslo Dahl AS
- Orkla Health AS
- Oppsal Gaard AS
- Omg 2 AS
- Oslo Motorbåtforening
- Oslo Kajakklubb
- Oslo Interiør AS
- Ofi Eiendom AS
- Ofn Eiendom AS
- Orkla Ocean AS
- Optimal Innredning AS
- Orkla Procurement AS
- Orbis Wines AS
- Optiker Kolstad AS
- Oppsalstubben 3 AS
- Ormåsen Handelseiendom AS
- Olta Limited
- Omni Norway AS
- Oac Auto AS
- Odi Medical AS
- Orthodepartment Limited
- Oslo Boligspar AS
- Orthodepartment Limited
- Optimizely Norge
- Olta Limited
- Otg Oslo
- Oslo Kapitalforvaltning AS
- Osae Norway AS
- OK Minilager AS
- OK Property AS
- Opax Eiendom AS
- Ole Grihamar
- OSL Travel AS
- Optibulk Skagerak AS
- Optibulk Havfrue AS
- Olino Norge AS
- Onyalla Trust
- Oil Innovation AS
- Ola Næss
- Octagon Bidco AS
- Ohna Oscar
- Owens-Corning Britinvest Ltd
- Orgelbauwerkstätte Georg Weishaupt
- Oosterwechel Houten Vloeren B.V.
- Orgelbauwerkstätte Georg Weishaupt
- Oosterwechel Houten Vloeren B.V.
- Oslo Sentrum Invest AS
- Oneness. En Miljøforening
- Oro Eiendom Holding AS
- Oak Management Shpping AS
- Oro Hotelldrift Holding AS
- Oro Hotelldrift Invest AS
- Oro Stokkamyr Eiendom AS
- Oro Madserud gård AS
- Oro Sandakerveien 52 AS
- Oikos - Økologisk Norge
- Omega Kurssenter Plaza
- Ossian Innovation Laboratories AS
- Ole Rasmus Ødegaard
- Oslo Nevrologi Senter
- Otto Sandsdalen Romfo
- Olav Lerbrekk Konsulenttjenester
- Otto Sandsdalen Romfo
- Oliver S Johansen
- Orrefors Kosta Boda AS
- Oslo Chauffeur Service AS
- Opheim Per Løkling
- Orkla Asia Holding AS
- Oht Alfa Lift AS
- Octopus Eiendom II AS
- Orkla Energi Sauda AS
- Oslo Politidistrikt Trafikktjenesten
- Oslo Venture Company AS
- Orkla Foods Norge AS
- Oslo Outboard Service AS
- Oslo Production Sound
- Orkla Financial Services AS
- Orkla Foods Europe AS
- Orkla Health Holding AS
- Ole Jan Skogen AS
- Otsuka Pharma Scandinavia AB
- Oddvar Consulting Limited
- Oslo Skin Lab
- Oscars gate 37 AS
- Oddvar Consulting Limited
- Ole -Petter Lystad
- Owens-Corning Veil Uk Ltd
- Oro Eyvind Lyches vei AS
- Oro Selma Ellefsens vei AS
- Oslo Presstoff Industri AS - Opi
- Oslo Søppel og Avfallshenting AS
- Onninen Express Oslo Vest
- Osteopat Emilie Lund Andersen
- Oaks Invent Jan Grøttumsbråten
- Orkla House Care Norge AS
- Obs MC Investments i AS
- Olsen 1047103 Tommy S.
- Omsorgsboliger - bokollektiv Bydel Ullern
- Orkla Health AS Avd Drammensveien 149a
- Orkla Confectionery & Snacks AS
- Ofp Formuesforvaltning Holding Limited
- Ofp Formuesforvaltning Holding Limited
- Ole Vigs gate 24 AS
- Octagon IT Holding 2 AS
- Ofd Holding S de Rl
- Out Of the Blue Kg
- Operating Agent for Got Cp
- Orkla Confectionery & Snacks Norge AS
- Oslo Nevroklinikk Geir D Slapø
- Orkla Foods Norge AS Avd Hovedkontor Skøyen
- One Vision One Mission Limited
- One Vision One Mission Limited
- Often Tight Christian D. G. Jacobsen
- Oschatz Services & Solutions S.R.O.
- Orkla Home & Personal Care AS Avd Administrasjon Oslo