Australian Aerospace Limited (Australian Aerospace) is Australia-Pacific’s leading supplier of civil and military helicopters and aerospace services including fixed-wing military maintenance and support. The company is wholly owned by the world’s largest helicopter manufacturer Eurocopter, itself being part of the European Aeronautic Defence and Space Company (EADS).

The company can trace its heritage in Australia back to 1927 and with a turnover in 2009 of $A780 million, Australian Aerospace employs more than 1100 people across 14 sites in Adelaide, Auckland, Bankstown, Brisbane, Darwin, Ingleburn, Moorabbin, Oakey, Redcliffe, Richmond, Sydney and Townsville.

Boeing Defence Australia, a wholly owned subsidiary of The Boeing Company and a business unit of Boeing Defense, Space & Security, has a team of highly skilled people located across the country delivering some of the largest and most complex programs for the Commonwealth of Australia, the Australian Defence Force and international defence and commercial customers.

From humble beginnings in the mid 50’s Gyral is now in the enviable position of being universally recognised as the developer of the modern day air seeder; a pioneering innovation that has taken Gyral to a position of international recognition.

The advent of precision farming technology is also just the sort of challenge that Gyral is looking for as it strives to develop "leading edge" tillage and seeding equipment for the 21st century.

QR National is the largest rail freight haulage business in Australia by tonnes hauled transporting 260 million tonnes of coal and freight a year. It is the largest transporter of coal in Australia and the world's largest rail transporter of coal from mine to port for export markets.

Nova Defence was formed in 2000 with the express aim of providing the Australian Defence Force and other Government agencies with independent and professional test and evaluation and systems engineering services. Nova Defence believes that by maintaining their independence from manufacturers of defence equipment they are able to provide their clients with confidence that their advice and services are independent and impartial.

With Nova's genesis in ADF aerospace test and evaluation, Nova Defence has grown to be the largest employer of test engineers and specialists outside the ADF in Australia with offices in Adelaide, Brisbane, Canberra, Melbourne, Perth, Sydney and Newcastle. As result of Nova Defence's combined T&E, operational and acquisition experience, they believe that their knowledge and skills in the areas of systems engineering, engineering management, acceptance and certification are unrivalled.

Nova Defence is a preferred supplier to the Australian Defence Force through its inclusion on the Defence Material Organisation Standing Services Panel, Rapid Prototype Development Environment Panel and various DSTO Standing Offer Panels.

Qantas has a long and proud history of supporting Australia's defence forces predating World War II, when it first performed maintenance and modification work on airframes and engines. In 1999 Qantas Defence Services was established to take an independent approach using the strengths of Qantas while developing the closer customer focus suited to the commercial expectations of Defence. As a wholly owned subsidiary of Qantas Airways Limited, Qantas Defence Services employs approximately 500 people.