Travel Insurance Web Australia offers simple, one-stop travel insurance with a broad range of cover exclusively to residents of Australia. The site includes travel news and a travel directory.
http://www.travelinsuranceweb.com.au/

Australian holiday and annual travel insurance cover for domestic and international travel available online. Get a quote and apply for cover.
http://www.travelinsurancecover.com.au

1Cover Australia offer cheap travel insurance to those travelling around Australia. Compare 1cover's backpacker, ski, multi trip policies or get a travel insurance quote for your specific travel needs.
http://www.1cover.com.au/

Travek Insurance Direct makes buying travel cover easier, faster & cheaper. Insurance available for holiday, business & frequent travellers.
http://www.travelinsurancedirect.com.au/