Companies catalogue
- OIL BASINS LIMITED, South Melbourne
- OMS Australasia Pty Ltd, Seaford
- ONCALL Interpreters&Translators, South Melbourne
- ONE AGENCY MORNINGTON PENINSULA, Mornington
- ORIMA Research, Melbourne
- OSHO Indian Restaurant, Capel Sound
- OUR HAUS, South Melbourne
- Oasis Boarding Kennels, Avalon
- Ocean Eight, Shoreham
- Ocean Grove Hotel, Ocean Grove
- Ocean Racing Club of Victoria (ORCV) Inc., Albert Park
- Ocean View Kiosk, Queenscliff
- Oceania Plastics PTY Ltd., Carrum Downs
- Oceanside, Portsea
- Ogilvy Clayton Cocking Mead, Sandringham
- Oh My Juice, Dromana
- Ohel Chana Seminary, East St. Kilda
- Old Apple Shed @ Tallarida Estate, Boneo
- Old Cape Schank Road Bushland Reserve., Rosebud
- Old Dubbo Gaol, Dubbo
- Old Mates Pizza & Pasta, South Melbourne
- Old Melbourne Leadlight, McKinnon
- Olive Phillips Kindergarten, Beaumaris
- Oliver's Dubbo, Dubbo
- Om Vegetarian, Melbourne
- Om Vegetarian, Melbourne
- One 7 Eight Dining and Cocktail Bar, Dubbo
- One Agency Burnie, Burnie
- One Agency Collins Real Estate, Devonport
- One Agency Wynyard, Wynyard
- Opal By The Bay, Mount Martha
- Opal Dubbo, Dubbo
- Opal Hobsons Bay, Altona North
- Open BIC Sailing, Albert Park
- Oporto - Frankston, Frankston
- Opteon, Burnie
- Optima Healthcare Group, North Shore
- Optometry Australia, South Melbourne
- Orana Accounting & Taxation Service, Dubbo
- Orana Arts, Dubbo
- Orana Credit Union, Dubbo
- Orana Dance Centre, Dubbo
- Orana Education & Training Co-Operative, Dubbo
- Orana Height Public School, Dubbo
- Orana Motel, Dubbo
- Orana Motel, Dubbo
- Orana Pathology Service, Dubbo
- Orange Hearing Centre, Dubbo
- Orion Tiling & Waterproofing, Somerset
- Ormond Primary School, Ormond
- Ormond Senior Citizens Centre, Ormond
- Orrong Obstetrics & Gynaecology, Caulfield North
- Orthotic Technical Services PTY Ltd., Seaford
- Osborne Plant Service, Dromana
- Osteopathy @ Caulfield Natural Health Clinic, Melbourne
- Osteopathy By The Bay, Mornington
- Osteopathy By The Bay - Dr. Brad Waddell, Frankston
- Osteopathy Connections, Frankston
- Our Lady of the Southern Cross Primary School, Wyndham Vale
- Out 4 Thai, Cheltenham
- Outdoor Instant Shelters, Cheltenham
- Oxley Retirement Living, Dubbo