Big Sky Credit Union is an Australian

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

 based credit union

Credit union

A credit union is a cooperative financial institution that is owned and controlled by its members and operated for the purpose of promoting thrift, providing credit at competitive rates, and providing other financial services to its members...

 formed by the current or ex-employees, contractors or service providers of BHP Billiton

BHP Billiton

BHP Billiton is a global mining, oil and gas company headquartered in Melbourne, Australia and with a major management office in London, United Kingdom...

, BP Australia

BP

BP p.l.c. is a global oil and gas company headquartered in London, United Kingdom. It is the third-largest energy company and fourth-largest company in the world measured by revenues and one of the six oil and gas "supermajors"...

 and the Royal Automobile Club of Victoria

Royal Automobile Club of Victoria

The Royal Automobile Club of Victoria is a motoring club and mutual organisation, providing services such as roadside assistance, vehicle, home and contents insurance, personal and car loans, driving instruction, tourism services and home security products.The RACV runs a lifestyle club known as...

 (RACV) and their subsidiaries, affiliated or divested companies.

As part of a round of consolidation in the Australian Credit Union industry the Big Sky and BP Credit Unions merged on 1 September 2003. The operations of the BP Credit Union were effectively taken over by the management of Big Sky.

In the 2006 financial year, the RACV Credit Union

RACV Credit Union

The RACV Credit Union was a credit union based in suburban Victoria, Australia that merged with Big Sky Credit Union in 2005. Membership of the credit union was open to staff and families of current and former employees of the Royal Automobile Club of Victoria and to Club Members of the...

transferred its business to Big Sky, including all 2,364 members, and was wound up. The transfer of engagements contributed $12.1 million to Big Sky’s assets and $1.6 million to member equity.