Bedrift O - Asker
- Orionet AS
- Onyvamos AS
- Orofino AS
- Oreofe AS
- Oxer AS
- Oljetanksanering
- Oddogvi AS
- Osean AS
- Outdoor AS
- Orestad
- Oppsjø AS
- Ortmed AS
- Odezia DA
- Ohlsoncontrols AS
- Organon Teknika Bv
- Optasense Norway
- Oddny Aaseng
- Omland Consulting
- Ole Bø
- Overens Café
- Olav Vetterstad
- Optasense Norway
- Oriental Garden AS
- Opsjon nord AS
- Oxer Næring AS
- Olderheim Invest AS
- Oxer Potential AS
- Oustad Holding AS
- Oxer Kapital AS
- Oslo Tannmedisin AS
- Oxfor Eiendom AS
- Oxer Bolig AS
- Origo Næringspark AS
- Olha Havryliuk
- Octopus Bidco AS
- Oilquick Norge AS
- Olha Blakytna
- Octopus Midco AS
- Omni Service AS
- Ole Kristian AS
- Omega Akerholdt AS
- Olympus Norge AS
- Oxer Eiendom
- Olstad Coaching
- Ola Aanonsen
- Oslo Utelivsevent AS
- Oliver Henning
- Op Jupskås
- Omar Elgarh
- Oddveig Birkeflet
- Olav Solvang
- Olsby Cathrine
- Oslo Fekteklub
- Olympus Mons AS
- Ortoped Hannisdal
- Ole Gunnersen
- Olav Myrholt
- Oudmayer Consulting
- Otl Holding AS
- Ombay Invest AS
- Ollestua Skole
- Onarheim Bygg
- Ola Narmo
- Ostovany Consulting
- Odd Sevre
- Otrana Hov
- Oliwia Eiendom AS
- Obera Eiendom AS
- Olav Haraldseid AS
- Oltedal Nevropsykolog
- Oppstart 24 AS
- Oscar Braadlie Veiledning
- Odd Petter Eldevik
- O.H. Ophaug
- Oda Haug Larsen
- Ommund Carsten Vareberg
- Odd-Einar Hjortnæs
- Origo Horten Invest AS
- Overseas Trading Eiendom AS
- Overseas Trading Invest AS
- Otto Nattestad Hansen
- Otto Nattestad Hansen
- Ole Siem Invest AS
- Olav Odden Sveiseverksted AS
- Ok Bilvask Norge AS
- Odontia Tannlegene Asker
- Odontia Tannlegene Asker
- Oversetter Elisabeth Burø
- Oslo Nepali Church
- Oslo Nepali Church
- Omicsai Zakeri Consultancy
- Ole Jacob Helmen
- Olow Taxi Mohammed
- Odd Eirik Bjørk
- Olin Of Norway
- Opplæringsmakker Ola Bergstad
- Optimal Ergonomi Nævestad
- Oü Wellest Transport
- Oakslope Ekeli Maritime
- Oskar Goedvriend Lindberget
- Oda Viktoria Kinnerød
- Ossjøen-Seterdalen Hytteforening
- Olav Haraldseid Consult
- Oh! People AS Konkursbo
- Oh! People AS Konkursbo
- Ole Kristoffer Juliussen
- Oasis Of Hope
- Optilife Oasis Gjoni
- Owe Christine Johanne
- On Europe Ag - Norway
- Oksana Transport Oksana Godlevskaja
- Ordon Byggetjenester Ordon Wojciech
- Oskar Kristoffer Kikkærn Jøssong
- Old Classic Games Studentbedrift
- Ole T Moy Invest AS
- Oslo Universitetssykehus HF Voksenpsykriati Dikemark
- Oslo Universitetssykehus HF Arenafleksibelt Tilbud
- Olsson Trading Lars Olsson
- Omar Riyad Jasim Alrudaini
- Ovg Rådgivning Ingar Tufte
- Oslo- og Akershus Brannbefalslag
- O-10 Janssen Consulting
- Oslo Oppussing Service Tomasz Kurowski
- On & Offline Per Berg
- Oppussing Hjem og Hage Juskiewicz
- Ortopedisk Ankel og Fot Hvaal
- Oppdrag Som Danseped Instruktør Scenekunstner
- Oepaulsen Sws Odd-Erik Paulsen
- Oslo og Akershus Studentlag Av Nafo
- Oslo Universitetssykehus HF Psykiatrisk Avdeling Ppu/Autisme-Avdleing
- Oral Kirurg/Oral Medisiner Heming Olsen-Bergem
- Ohm Osteopati & Energitrening Janne Margrethe Huseby
- Ogines Innvandre Kvinner Forum i Norge Agatha Joyce Oginere