Ampol Limited is Australia's largest transport energy distributor and retailer, based in Sydney, New South Wales. The company operates over 1,800 Ampol-branded service stations across Australia and has a presence in New Zealand through its subsidiary, Z Energy. Founded in 1936, Ampol has a rich history in the petroleum industry and rebranded from Caltex Australia Limited in 2020.

Ampol's core business includes refining, importing, distributing, and marketing a variety of petroleum products such as petrol, diesel, jet fuel, liquefied petroleum gas (LPG), lubricants, and specialty fuels. The company owns and operates refineries, storage terminals, and service stations, and it supplies fuel to approximately 80,000 customers across various sectors, including retail, mining, transport, and aviation. Ampol is also expanding into electric vehicle charging and home electricity solutions to adapt to changing energy needs. With a commitment to sustainability, Ampol aims to promote responsible outcomes in the communities it serves.