Marketing, namely, promoting and advertising of crude oil, natural gas, natural gas liquids, sulphur and petroleum coke for others; Purchasing crude oil, natural gas, natural gas liquids, sulphur and petroleum coke for others; Marketing, namely, promoting and advertising of refined petroleum products, including gasoline, diesel, propane, butane, petrochemicals, alternative fuels and asphalt products for others

Transportation and storage of crude oil, natural gas, natural gas liquids, sulphur and petroleum coke

Upgrading and refining of crude oil