Companies catalogue
- O Tuga Tastes of Portugal, Roxburgh Park
- O'Brien Real Estate Croydon, Croydon
- O'Callaghan Commercial Pty Ltd, Malvern
- O'Connor Harris & Co, Canberra
- O'Grady's Gourmet Pies & Pastries, Beaumaris
- O-I Glass, Spotswood
- O.J. Plastics, Braeside
- OBrien Real Estate Craigieburn, Craigieburn
- OBrien Real Estate Hampton East / Moorabbin, Bentleigh
- OBrien Real Estate Tecoma, Belgrave, Olinda, Tecoma
- OBrien Real Estate Wantirna, Wantirna South
- OCC Services Pty Ltd, Nunawading
- OK Cafe Restaurant, Campbellfield
- OLIMA PTY. LTD, Tottenham
- ON TRACK HEALTH PROFESSIONALS, Heidelberg
- ONE.BE PRODUCTIONS, Fawkner
- OPM Developments Pty. Ltd., Dandenong
- OPTIBELT Australia Pty. Ltd., Dandenong South
- ORIMA Research Pty Ltd, Melbourne
- OYOB Property Group Pty Ltd, Hawthorn
- Oak Grange Retirement Village, Brighton East
- Oak Tree Retirement Village Skye, Skye
- Oakleigh Market, Oakleigh
- Obligatory Media, Lyons
- Obstetrics & Gynaecology Consulting Group, North Melbourne
- Occupational Psychiatry, South Yarra
- Ocean Fresh on Eley, Blackburn South
- Ocean Reach Brewing, Cowes
- Oceanic Consultants, Mount Waverley
- Oceanprolinks Pty Ltd., Prahran
- Octane Kitchen, Flemington
- Océ, Clayton
- Off Grid Tiny Houses, Belgrave South
- Off Market Real Estate, Doncaster
- Off the Boat Pizzeria, Reservoir
- Office of the Premier of Victoria, Melbourne
- Officer Recreation Reserve, Officer
- Old Arts, Parkville
- Old Bus Depot Markets, Kingston
- Old Colonists' Association of Victoria, Saint Helena
- Old Kingdom, Surrey Hills
- Old School Pizza, Coburg
- Olga Tennison Autism Research Centre, Bundoora
- Olima Fibre Processing PTY Ltd., Bayswater North
- Olinda Pizza, Olinda
- Oliver's a La Carte Restaurant, Forest Hill
- Olivia Newton-John Cancer Research Institute, Heidelberg
- Olivine by Mirvac, Donnybrook
- Olnee Constructions, Clayton South
- Olsen Pizza, Broadmeadows
- Olympic Park Sports Medicine Centre - Melanie Omizzolo, Melbourne
- Om-i, Reiki, Pellowah, Ivanhoe
- Omnicom Research Pty Ltd., Fitzroy
- On London - Construction, Advisory, Legal, Migration, Canberra
- One Agency Robert Mure, Koo Wee Rup
- One Health Physiotherapy Group, Burwood East
- One Hot Pilates, South Yarra
- One On One Tutoring, Essendon
- One Thai Restaurant, Balwyn
- One Tree Hill Alpaca Stud, Murrumbateman
- One Way Joinery, Tullamarine
- OneBody Physiotherapy, Williamstown
- OneCall Steel & Form, Mitchell
- OneSteel Metalcentre, Hume
- Onpoint Performance Parts & Mechanical, Fyshwick
- Onyx Pilates, Blackburn
- Oomph!, Braddon
- Open Awareness, Endeavour Hills
- Open House Recording Studio, Kew East
- Open plan recording studio, Melbourne,Williamstown
- Oracle Wisdom, McKinnon
- Orex Recruiters, North Balwyn
- Original Pie Co., Elsternwick
- Ormond Park, Moonee Ponds
- Orrong Fruit Supply, Caulfield South
- Orrong-Romanis Recreation Centre, Prahran
- Orthopaedic & Sports Physiotherapy Clinic-Dr Peter Reynolds, Templestowe Lower
- Orths Nursery, Coldstream
- Ortigia Pizzeria, Melbourne
- Oscar Lopez Psychologist, Dandenong
- Oscar Zentner Psychoanalyst, South Yarra
- Oskar Pizza, North Melbourne
- Ostek Glass & Aluminium Pty Ltd, Somerton
- Our Daily Bread Ministries, Kilsyth South
- Our Lady of Good Counsel Church, Deepdene
- Our Learning Steps Childcare and Kindergarten, Patterson Lakes
- Outer Eastern Plant Hire, Bayswater North
- OutinCanberra.com.au, Braddon
- Outlines - Custom Mirror Finishes, Tullamarine
- Outlook Environmental, Hampton Park
- Outlook Environmental, Officer
- Outlook Matters Psychology, Heidelberg Heights
- Outside the Square Psychology, Burwood
- Oxford Belconnen, Belconnen
- Oz Pizza Delight Berwick, Berwick
- Oz Tyre Recyclers, Campbellfield
- Oztronix Aviation & Odd Cabs, Kilsyth
- Ozzi Sushi, Wheelers Hill
- on-Core Pilates Studio, Upper Ferntree
- onetwo agency, Saint Kilda