- Oak Fire Pizza Cork
- Oak Liquor Cabinet
- Oak2Go
- Oaked.Net
- Oakwood Cafe - Dalton
- Oakwood Pizza Box
- Oase Gorredijk
- Oasi Tigre
- OASIS AVENUE - A GDH HOTEL
- Oasis Bahamas
- Oasis Cafe - Official
- Oasis Cafe To Go
- Oasis Direct
- Oasis Fast Food Rugeley
- Oasis Fast Food Takeaway.
- Oasis Grill - Online Ordering
- Oasis Miami
- Oatmeal Calc
- OC Organic Kitchen
- OC Venues
- L'Oca Golosa
- Zoom by Ocado
- Ocado: supermarket shopping
- Ocakbasi
- Ocard - 生活饗樂平台
- OCC - Owensboro Country Club
- OccitaMiam!
- Ocean Dining Club
- Ocean Dining 海豚(イルカ)
- Ocean Fish and Pizza
- Ocean Pacific Seafood & Meat
- Ocean Park Pizza
- Ocean Poke
- Ocean World Sushi
- Oceana Grill New Orleans
- OceanFishBarKebabPizza&Burger