Seven Group Holdings Limited (SGH) is a diversified operating and investment group. SGH operates in six segments: WesTrac Australia, WesTrac China, AllightSykes, Coates Hire, Media investments and Other investments. WesTrac Australia is a Caterpillar dealer in Western Australia, New South Wales and the Australian Capital Territory, providing heavy equipment sales and support to customers. WesTrac China operates also a Caterpillar dealer in China, providing heavy equipment sales and support to customers. AllightSykes manufacture, assembly, sales and support of lighting, power generation and dewatering equipment as well as distribution of Perkins engines, via National Hire's investment in Allight Holdings Pty Ltd and The Sykes Group. Coates Hire provides a range of general and specialist equipment to a range of markets. On June 19, 2012, the Company sold vividwireless Group Limited. In September 2012, the Company announced that Eftel Limited acquired the business of Engin.