Aurizon Holdings Limited, together with its subsidiaries, engages in freight businesses in Australia. It operates through Network, Coal, Bulk, and Other segments. The company operates and manages the Central Queensland Coal Network that consists of 2,670 kilometers of track network; and the South Australia and Northern Territory Network that consists of 2,100 kilometers of track network. It also transports metallurgical and thermal coal, as well as retail and supermarket essentials, refrigerated goods, vehicles, machinery and equipment, and other commodities, such as iron ore, cement, bauxite, alumina, base metals, grain, fertiliser, and dangerous goods. In addition, the company provides network maintenance; supply chain services, including rail and road transportation, port services, and material handling; and landbridging and containerised freight solutions. It exports its products and serves the mining, metal, industrial, and agricultural customers. The company was formerly known as QR National Limited and changed its name to Aurizon Holdings Limited in December 2012. The company was incorporated in 2010 and is headquartered in Fortitude Valley, Australia.