Companies catalogue
- O'Brien Concrete Pumping, Fennell Bay
- O'Brien Winter Partners, Newcastle
- O'Brien® Glass Newcastle (Home and Business), Lambton
- O'Neills Tyres Kurri, Kurri Kurri
- O'neills Tme Tyres, Cessnock
- OAS Technology Group, Newcastle
- O`Neills Tyres, Wallsend
- Oak Dairy Bar, Freemans Waterhole
- Obelisk Systems, Maitland
- Occupational Health & Safety Training Centre, Carlton
- Office National, Gisborne
- Office Products Depot, Melbourne
- Office Vision Melbourne Commercial Office Furniture, Broadmeadows
- OfficeTrend, Broadmeadow
- Officebarn Office Choice, Gisborne
- Officeworks Caroline Springs, Caroline Springs
- Officeworks Kotara, Kotara
- Officeworks Newcastle West, Newcastle West
- Officeworks Rutherford, Rutherford
- Officeworks Warners Bay, Warners Bay
- Ogishi Craft Centre, Rothbury
- Ohio Nails, Bacchus Marsh
- Oil Response Company of Australia Pty Ltd, Williamstown North
- Old Mate's Bakery, Cessnock
- Olive Grove Beauty, Farley
- Olive Lakes, Rothbury
- Olympic Fencing, Tomago
- Om Shree Dham, Sweetmans Creek
- Omega Chemicals, Tomago
- One Agency Eastlakes, Caves Beach
- One Stop Lubrication Equipment Pty Ltd, Fletcher
- One Tree Coffee, Charlestown
- Online Safety Systems, Thornton
- Onsite, Thornton
- Onya Visuals, Warners Bay
- OpShop Haven, Maitland
- Optical Solutions Australia (OSA), Port Melbourne
- Optus, Jesmond
- Optus Cessnock, Aberdare
- Optus Singleton, Singleton
- Optus Warners Bay, Warners Bay
- Opulence Hair Skin Body, Wallsend
- Opus International Consultants, Newcastle
- Orange Hire, Thornton
- Orangevale at Mount View, Mount View
- Organic Feast, East Maitland
- Oriental Rug Spa, Tullamarine
- Original Mattress Factory, Rutherford
- Oroton, Kotara
- Osborne Yuille, Cessnock
- Osborne's Kitchens & Wardrobe World, Maitland
- Oscars Hunter Valley, Pokolbin
- Oslands Carpet Warehouse, Toronto
- Oven Cleaning Newcastle - Oven Perfect, The Oven Cleaning Professionals, Eleebana
- Oxford Kotara, Kotara
- Oxford South Wharf Outlet, South Wharf
- Oz Dents 'n Hail, East Maitland
- Oz Design Furniture, Kotara
- Oz Discount Vitamins, Cessnock
- Oz Landscape Supplies Cameron Park, Cameron Park
- Oztract Concreting, Woodville
- O’Donohue Filter Sand & Gravel Pty Ltd, Millers Forest