Tom Osborne
- Specializes in regular issues and issues of country's dependencies.
- http://www.stampdealeroz.com/

21st Century Auctions
- Conducts postal auctions for stamps, covers, postmarks, history, and philatelic stationery.
- http://www.21stcenturyauctions.com.au/

Southern Highlands Stamps
- Offers early and BOB (back-of-the-book) issues.
- http://members.optusnet.com.au/ausstamps/

Richard Juzwin Pty Ltd
- Suppliers of Australian Commonwealth and States postage stamps, dues and booklets. Also New Zealand and Pacific islands pre and post decimal issues.
- http://www.richardjuzwin.com/

Premier Postal Auctions
- Holds regular postal auctions of Australasian and European philatelic material including stamps and history items.
- https://www.premierpostal.com/

The National Stamp Gallery
- Sells various issues and covers.
- http://www.rap.com.au/

Millennium Philatelic Auctions
- Auctioneers of popular stamps and postal history of Australia, its Territories and the Pacific region.
- http://www.millenniumauctions.com.au/

Cosmostamps
- Sells mixes, kiloware, and FDCs.
- http://www.cosmostamps.com/

Australian Philatelic Wholesalers
- Wholesale philatelic suppliers offering postage stamps, new issues, stamp collections, accessories and packet material.
- http://www.philatelic.com.au/

Charlestown Stamps
- Offers Australian and South Pacific issues.
- http://users.hunterlink.net.au/chasta/