Companies catalogue
- O'Briens Door Controls, Langwarrin
- O'Shea Realty PTY LTD, Bendigo
- OAM Electrics, Dandenong North
- OC Energy, Melbourne
- OCMC PTY Ltd., Keysborough
- OHSO PROMOTIONAL GIFTS, Braeside
- OMRON Electronics Pty. Ltd., Mount Waverley
- ONE STOP VARIETY, Cranbourne West
- OPSM Queen St Bendigo, Bendigo
- OPTALERT, Cremorne
- OZHut Pty Ltd - Living Your Lifestyle, Bayswater
- Oakhill Children's Centre, Reservoir
- Oakleigh World of Learning, Oakleigh
- Oasis Distributors, Seaford
- Oasis Drafting & Building Consultants, Keilor Downs
- Obara Australia Pty Ltd, Hallam
- Occasional Child Care Centre Diamond Creek, Diamond Creek
- Occassional child care centre, Keysborough
- Ocean Divers, Bentleigh East
- Ocean Graphics PTY Ltd., Mordialloc
- Ocean King, Melbourne
- Ocean Windows, Capel Sound
- Oceansuits, Hallam
- Oddball Pty Ltd, Rowville
- Oem Quality Trailer Parts, Sunshine West
- Off Ya Tree, Frankston
- Off Ya Tree, Preston
- Off Ya Tree, Ringwood
- Off Ya Tree, Forest Hill
- Off Ya Tree, Epping
- Office Corporate Head Office, Dandenong South
- Office Fitouts Melbourne - Hamiltons, Melbourne
- Office Group, Bayswater
- Officentral Desktop and Online Publishing, Melbourne
- Officeworks Box Hill South, Box Hill South
- Officeworks Coburg, Coburg
- Officeworks Kew East, Kew East
- Officeworks Richmond, Richmond
- Ohm Power, Carlton
- Oil Suppliers, Kilsyth
- Olga de Polga, Prahran
- Olinda Sand Screening Soil PTY LTD, Olinda
- Olympic Village Child and Family Centre, Heidelberg West
- Omega Power Equipment, Dandenong South
- Omnigraphics, Port Melbourne
- On The Move Pty Ltd, Melbourne
- Ondine Living, Malvern East
- One Early Education Group, Cranbourne East
- One Early Education Group, Wollert
- One Plus One Fashion & Accessories, Wodonga
- One Stop Discount Shop, Cowes
- One Stop Variety, Lyndhurst
- Online Demolition, Hawthorn
- Only 2 Dollar Victoria, Sunshine
- Only About Children, South Melbourne
- Only About Children - Hampton, Hampton
- Oodles of Spoodles, Nunawading
- Oopsy Daisy Flowers, Mount Waverley
- Op Shop, Vermont
- Op Shop newpeninsula caring inc, Mornington
- Open Play Sustainable Learning Equipment, Carrum Downs
- Optimal Group Australia Pty Ltd, Mulgrave
- Orama Street Child Care Centre, Deer Park
- Orange Nutrition 橙之王免税店, Box Hill
- Orange Pumps Pty Ltd, Mount Waverley
- Organiser & Calculator King, Burwood
- Orgran Gluten Free Foods, Carrum Downs
- Oriental Discount Shop, Clayton
- Ormond Amcal Pharmacy, Ormond
- Ormond Ice Creamery, Ormond
- Ormond Kinder Haven, Ormond
- Orora Paper And Recycling VIC/TAS - Distribution Site, Altona
- Orovis PTY Ltd., Upper Ferntree Gully
- Orrong Compounding Pharmacy, Prahran
- Ortech Security Services, Bendigo
- Oslovic, Melbourne
- Osteon Medical, Clayton
- Otech Australia, Dandenong South
- Our House Early Learning World, Frankston
- Our Kids Child Care Centre, Nunawading
- Our Lady of Lourdes Early Childhood Centre, Bayswater
- Outrageous Cakes, Cottles Bridge
- Outsports Hiking Hire, Hampton East
- Ovia, Keysborough
- Oxford PTY Ltd., Mulgrave
- Oxyfresh Marketing Aust. Pty Ltd, Donvale
- Oxygen Kids Dance Studios, Hawthorn East
- Oz Links Education Consulting, Footscray
- Oz mobility scooters, Braeside
- OzAnimart, Melbourne
- OzChild Opportunity Shop, Highett
- Ozdare Business Services Pty Ltd, Sunshine West
- Ozilock, Vermont
- Ozlem Kebab Victoria, Campbellfield
- Ozmosis Knox City, Wantirna South
- Ozmosis Northland, Preston
- Ozone Environmental Technology, Vermont
- OzyWorld, Bayswater
- Ozzi Kleen Water & Waste Water, Ferntree Gully
- Ozzi Kleen Water and Waste Water, Knoxfield