Ampol Limited is an Australian petroleum company headquartered in Sydney, New South Wales. Ampol is the largest transport energy distributor and retailer in Australia, with more than 1,900 Ampol-branded stations across the country as of October 2022. Ampol also operates in New Zealand through its subsidiary Z Energy.

Caltex is a petroleum brand name of Chevron Corporation used in the Asia-Pacific region, the Middle East, and Southern Africa. Headquartered in Singapore, it is also the brand name of non-Chevron petroleum companies in some countries under a trademark licensing agreement with Chevron.