Companies catalogue
- O Bal Tan and Myung Jang, Sydney
- O Bar and Dining, Sydney
- O'halloran's Bakery, Miranda
- O's Kitchen, Haberfield
- OM Auto Electrical, Greenacre
- OMNE, Sydney
- ONE Tea Lounge & Grill, Sydney
- ORIGINAL BOOTCAMP Blacktown, Bungarribee
- ORIGINAL BOOTCAMP TURRAMURRA, Turramurra
- ORIGINAL BOOTCAMP TURRAMURRA & WAITARA, Wahroonga
- OTIS Bar & Grill, Campbelltown
- OZ Authors Pty Ltd, Parramatta
- OZ TOTS PTY LTD : programs OZ BUBS, OZ TOTS and OZ KIDS DANCE, Randwick
- Oak Bar & Grill, Eastern Creek
- Oakhill College, Castle Hill
- Oaklands Child Care, East Brisbane
- Oakleigh Oval, Thornleigh
- Oasis @ Antegra, Leppington
- Oasis Dance & Drama School, Leichhardt
- Oasis Function Centre, Quakers Hill
- Oatlands Golf Club, Oatlands
- Oatlands House, Oatlands
- Oatley Chinese & Malaysian Restaurant, Oatley
- Oatley Community Hall, Oatley
- Oatley Hotel, Oatley
- Oatley RSL & Community Club Ltd, Oatley
- Obsession Cruises, Sydney
- Oceans Bar Crowne Plaza Hotel, Coogee
- Oceans dining and drinks, Coogee
- Oceanviews Vietnamese Restaurant, Warriewood
- Office Express, Armidale
- Offis, Pyrmont
- OhSo Fit, Canterbury
- Ohana Ocean Athletics, Caringbah
- Okeedokee Early Learning Centre, Norman Park
- Old Bakery Gallery, Lane Cove
- Old Barker Association, Hornsby
- Old Kings Oval, Parramatta
- Old Shanghai Massage House, Woollahra
- Olds Park Sports Club, Sydney
- Olds Park, Penshurst, Penshurst
- Oliver Brown Belgian Chocolate Cafe, Merrylands
- Oliver Brown Belgian Chocolate Cafe, Burwood
- Oliver Brown Cafe Penrith Panthers, Penrith
- Olivo on Blue, McMahons Point
- Olympic Vanities, Wetherill Park
- Omega Ensemble, Randwick
- On Stage Studios, Mortdale
- One Penny Red, Summer Hill
- Ooh La La Lights & Bathrooms, Chipping Norton
- Opal Bike Shed, Seven Hills
- Open Bible Baptist Church, Ashbury
- Open Family Australia, Cabramatta
- Open Flat Bookbinding, Rockdale
- Opera Bar, Sydney
- Oporto, Campbelltown
- Oporto, Campbelltown
- Optimal Health Medical Centre Gregory HIlls, Gledswood Hills
- Optometrists Association Australia NSW/ACT, Five Dock
- Opus Pocus, Bilgola Beach
- Ora Bathrooms, Wetherill Park
- Orana Park Tennis Courts, Seven Hills
- Orange Grove Community Hall, Liverpool
- Orchid House Thai Restaurant, Edensor Park
- Organic Republic Bakery, Bondi Beach
- Oriental Dance Studio, Wetherill Park
- Oriental Healthy, Redfern
- Oriental Hotel, Springwood
- Oriental Kitchen: Chinese Take Away Food, Ruse
- Oriental Massage, Eastgardens
- Oriental Massage, Bondi Junction
- Oriental Ruby Chinese Restaurant, Yagoona
- Original Bootcamp CBD, Woolloomooloo
- Original Bootcamp Leichhardt, Lilyfield
- Original Bootcamp Liverpool, Chipping Norton
- Original Bootcamp North Sydney, North Sydeny
- Ormiston Preschool & Child Care, Ormiston
- Orso Bayside Reception, Mosman
- Oscar's Bar & Grill, Camperdown
- Oscars Grill, Bankstown
- Oswald Reserve, Saint Helens Park
- Ottimo House Denham Court, Denham Court
- Our Lady of Mercy Catholic College, Burraneer, Cronulla
- Our Lady of The Sacred Heart College, Kensington
- Our Lady of the Rosary Catholic Parish, Fairfield
- Our Place on Darling, Balmain
- Outback Bakehouse, Windsor
- Outdoor Media Association, East Sydney
- Outer Liverpool Community Services, Austral
- Overflow, Upper Mount Gravatt
- Overflow Discount Variety, Jindalee
- Ovolo 1888 Darling Habour, Pyrmont
- Own it Fit, Rose Bay
- Oxford Bathroom Renovations Sydney, Thornleigh
- Oxford Performance Centre, Darlinghurst
- Oxford Tavern, Petersham
- Oxley Park Public School, St Mary
- Oyster Bay Community Hall, Oyster Bay
- Ozlamb Ugg, Punchbowl
- optiBPO, Sydney