In no particular order
1. Tabcorp (tab.com.au)
2. Tattsbet (tatts.com)
3.
william hill (williamhill.com.au)
4. Ladbrokes (ladbrokes.com.au)
5. Bluebet (bluebet.com.au)
6. Topsport (topsport.com.au)
7. Sportsbet (sportsbet.com.au)
8.
Bet365 (bet365.com.au)
9. Betstar (betstar.com.au)
10. Betfair (betfair.com.au)
11.
Bookmaker (bookmaker.com.au)
12. Classicbet (classicbet.com.au)
13. Unibet (unibet.com.au)
14. Crownbet (crownbet.com.au)
15. Luxbet (luxbet.com.au)
16. Palmerbet (palmerbet.com.au)
17. Topbetta (topbetta.com.au)
18. Punt Lane (puntlane.com)
19. Mad Bookie (madbookie.com.au)
20. Pinnaclebet (pinnaclebet.com.au)
21. Betting Club (betting.club)
22. Ubet (ubet.com.au)
23. Tabtouch (tabtouch.com.au)
24. flemington (flemingtonsportsbet.com.au)
There is many more, please add to this list.