Refinery companies

Thai Oil is an integrated refining and petrochemical company.

United States Antimony Corporation (USAC) is a natural resource company that supplies three major products: antimony, precious metals, and zeolite.

Saras is a company that engages in the oil refinery business.

Par Pacific Holdings, Inc. is a company that manages and maintains interests in energy and infrastructure businesses.

YPF is an energy company that specializes in oil and gas exploration and production, transportation, refining, and marketing of gas and petroleum products.

QEP Resources is a leading independent natural gas and crude oil exploration and production company.

Impala Platinum Holding is a company that specializes in mining, processing, refining, and marketing platinum group metals (PGMs).

OMV Group is a company that produces and markets oil and gas, innovative energy, and petrochemical solutions.

Channel Infrastructure NZ (formerly known as Refining NZ) is an oil refinery.

CVR Refining is a downstream energy company with crude oil refining, gathering, and refined petroleum product marketing operations.

Caelum ((주)케일럼 and formerly known as EWK, ((주)이더블유케이) is a company that manufactures geothermal, liquefied natural gas (LNG), oil and gas plants.

Cosmo Energy Holdings is a company that provides oil and gas products and services.