AusRegistry is a domain name registrar, currently being the domain registry operator and wholesale provider for all commercial Australian domains (.au) including .net.au and .com.au as well as non commercial Australian domain names like .edu.au and .gov.au. 
AusRegistry was founded in 2000 and has its headquarters in Melbourne, Australia. Few people know that AusRegistry was initially founded in January 2000 under the name RegistrarsAsia Pty Ltd. (now AusRegistry Group Pty Ltd.). . AusRegistry Pty Ltd, the current registry operator of the .au domains, is a subsidiary of the AusRegistry Group Pty Ltd which was founded in December 2001.
AusRegistry managed to get a contract with the length of four years to operate the domain name registry for auDA, in 2002. A second four year period was obtained by AusRegistry in 2005, commencing since 1 June 2006. The .au Registry Licence Agreement that auDA has with AusRegistry was extended until 2014, as both parties announced in February 2009.
Interesting facts about AusRegistry
AusRegistry has a subsidiary, named AusRegistry International, that allows for people outside Australia to buy .au domain names.
AusRegistry, under contract to the Office of the Renewable Energy Regulator (ORER) a statutory authority founded to manage the Australian Government's Renewable Energy (Electricity) Act 2000, is the operator of the Renewable Energy Certificates Registry. 
On 10 October 2010 AusRegistry made public a report which shows that there currently over 1.8 million .au domain registered and over 1.6 million .com.au registered domains. The total number of .au and .com.au registered domains grew constantly by about 300.000 new domains each year, since 2008. 
- 2002 Australian IT&T award
- 2003 MYOB/Telstra Victorian Government Small Business award