Bocs Ticketing 
www.bocsticketing.com.au

Live Guide: Gig Guide Australia
www.liveguide.com.au

Ticketmaster: Australian Concert Tickets Online
www.ticketmaster.com.au

Ticketek: Online Concert Tickets Australia
http://premier.ticketek.com.au/

South Australia Online Concert Bookings
http://bass.net.au/ 

Australias most comprehensive and up to the minute Gig Guide
www.yourgigs.com.au

The triple j gig guide offers you details about gigs, tours and festivals
http://triplej.yourevents.com.au/