Caltex Australia Ltd. is a transport fuel supplier, convenience retailer and an integrated oil refining and marketing company. The company operates through its segments: Marketing and Supply Chain. The Marketing function promotes and sells caltex fuels, lubricants, specialty products and convenience store goods through a national network of Caltex. The supply Chain market and refines crude oil into petrol, diesel, and jet fuel, along with small amounts of fuel oil and specialty products, liquid gas petroleum and other gases. Caltex Australia was founded in 1900 and is headquartered in Sydney, Australia.