Seven Group Holdings Limited is an Australia-based diversified operating and investment company. It operates through the following segments: WesTrac Australia, which is the Caterpillar dealer in Western Australia, New South Wales and the Australian Capital Territory; WesTrac China, which is the Caterpillar dealer in the provinces of Hebei, Liaoning, Heilongjiang, Jilin, Shanxi, Inner Mongolia and the municipalities of Beijing and Tianjin; AllightSykes, which operates in the manufacture, assembly, sales and support of lighting, power generation and dewatering equipment, as well as distribution of Perkins engines, through National Hire's investment in Allight Holdings Pty Ltd and The Sykes Group; Coates Hire, which represents its equity accounted investment in Coates Group Holdings Pty Limited; Media investments, which manages its investments in media organizations, and Other investments segment, which incorporates listed investments, property and operations in telephony.