The Angus Society of Australia: 

MLA Meat & Livestock Australia

National Livestock Identification System

Eastern Young Cattle Indicator

Beef CRC: 

Elders: 

AuctionsPlus: 

Genetic Solutions:

http://www.angusaustralia.com.au/

http://www.mla.com.au/

http://www.mla.com.au/  (NLIS page)

http://www.mla.com.au/  (EYCI page)

http://www.beef.crc.org.au/

http://www.elders.com.au/

http://www.auctionsplus.com.au

http://www.geneticsolutions.com.au