The United Services Union is the trading name of a union registered under the New South Wales Industrial Relations Act 1996 as the NSW Local Government, Clerical, Administrative, Energy, Airlines & Utilities Union.
The USU forms the largest branch of the Australian Services Union.
The United Services Union was formed on 21 May 2003 following the merger of two branches of the ASU - the Municipal Employees Union and the Clerical and Administrative Branch of the ASU. The USU represents local government, energy, airline and clerical and administrative employees throughout NSW.