This e-booklet aims to provide industry with a single source of information about providing services in partnership with Estate and Infrastructure Group. It highlights what opportunities are available and provides details about how to access them. Defence's Estate and Infrastructure Group (E&IG) is the area of Defence responsible for supporting the Australian Defence Force (ADF) and the whole Defence organisation in meeting their capability objectives by managing and sustaining the Defence estate of land, buildings and infrastructure. We are the centre of service delivery in Defence. E&IG delivers a range of services to the Defence organisation such as housing, maintenance and base support.