Department of Communications: Federal government department developing and delivering communications policy and programs

Department of Defence: Aims to prevent or defeat the use of armed forces against Australia or its interests

Department of Finance and Administration: Responsible for budget policy advice and process, Government accountability, governance and financial management frameworks, competitive tendering and contracting, shareholder advice on government business enterprises, and superannuation for Commonwealth employees

Department of Foreign Affairs and Trade: Responsible for the Australian Governments international relations, trade and development assistance programs through its headquarters in Canberra and Embassies, High Commissions and Consulates throughout the world

Department of Health and Ageing: The Department which seeks to promote, develop, and fund health and aged care services for the Australian public

Department of Human Services: Portal for the human services portfolio of federal government, whose agencies include the Child Support Agency, CRS, Medicare, Centrelink, and Australian Hearing

Department of Immigration and Citizenship: Provides access to information about Australian visas and Australian citizenship

Department of Infrastructure, Transport, Regional Development and Local Government: Provides policy advice to the Ministers and delivers a variety of programs on behalf of the Commonwealth Government

Department of Innovation, Industry, Science and Research: Committed to encouraging the sustainable growth of Australian industries by developing policies and delivering programs which provide lasting economic benefits ensuring Australia's competitive future

Department of Parliamentary Services: Provides information research, library services, television and radio broadcasting, Hansard transcripts, central computing facilities and services, telecommunications and all aspects of the maintenance and security of the building

Department of the Environment, Water, Heritage and the Arts: Responsible for policies and programs for the protection and conservation of the environment, including natural and cultural heritage sites. Departmental and ministerial information, media releases, publications, activities, and events

Department of the Prime Minister and Cabinet: The primary source of advice on government and parliamentary policy matters covering such issues as Cabinet processes, accountability and the management of the public service

Department of the Treasury: Aims to improve the wellbeing of the Australian people, by providing sound and timely advice to the Government based on thorough analysis of options, and by assisting the Treasury Ministers in the administration of their responsibilities and the implementation of Government decisions