Bedrift O - Karmsund
- Object
- Oppgjørspartner AS
- Oktavo AS
- Older AS
- Oth Dental DA
- Oskar Kurzanski
- Oasen Vaksinasjonssenter AS
- Oa Utvik AS
- Ola Frøkedal
- Optimus Eiendom AS
- Ouabbou Taxi
- Oi Sandvik
- Olaussens Metall AS
- Oasen Næringspark AS
- Ocab AS Avd Haugesund
- Oasen City
- Ojo Invest AS
- Oasen Blomster
- Oasen Storsenter
- Oddvar Heine Prytz
- O Aase Invest AS
- Ole Henrik Nesheim
- OK Minilager Norheim
- One Step Checkout AS
- Oasen Hud og Fotpleieinstitutt
- OBOS Block Watne Haugesund