1. Pacific National:
* Largest rail freight operator in Australia
* Subsidiary of Aurizon Holdings Limited
* Operates in all mainland states and the Northern Territory
* Transports a variety of commodities, including coal, iron ore, grain, intermodal containers, and automotive components
2. Aurizon:
* Second-largest rail freight operator in Australia
* Formerly Queensland Rail Freight
* Operates in Queensland, New South Wales, and the Northern Territory
* Transports coal, minerals, grain, intermodal containers, and bulk liquids
3. Rio Tinto:
* Multinational mining and metals corporation
* Operates rail networks in Western Australia and the Pilbara region
* Transports iron ore, bauxite, and manganese
4. BHP Billiton:
* Multinational resources company
* Operates rail networks in Western Australia and the Pilbara region
* Transports iron ore, coal, and manganese
5. Fortescue Metals Group:
* Multinational mining company
* Operates rail networks in Western Australia and the Pilbara region
* Transports iron ore
6. CFCL Australia:
* Privately owned rail freight operator
* Operates in Queensland, New South Wales, and Victoria
Transports a variety of commodities, including coal, grain, intermodal containers, and building materials
7. SCT Logistics:
* Privately owned rail freight operator
* Operates in South Australia and the Northern Territory
* Transports a variety of commodities, including grain, minerals, and intermodal containers
These are some of the major railroads in Australia, each playing a significant role in transporting goods and commodities across the country.