Refinery companies

S-OIL (S-Oil(주)) is an oil refining company.

Repsol is a global multi-energy supplier that carries out upstream and downstream business activities.

Glencore (formerly Glencore Xstrata) is a natural resources company that specializes in the production, refinement, processing, storage, transport, and marketing of metals, minerals, and energy products.

Imperial Oil (also known as Compagnie Petroliere Imperiale) is an integrated energy company.

RUSAL (РУСАЛ, Русский Алюминий) is a producer of aluminium and alumina.

Kuala Lumpur Kepong Berhad (KLK) is a plantation company that develops oil palm and rubber.

Ampol is a company that provides petroleum products refining, purchasing, and distribution services.

Cosan is a provider of energy solutions.

Andeavor (formerly known as Tesoro Corporation) is an integrated petroleum refining, logistics, and marketing company.

Motor Oil Corinth Refineries is engages in oil refining and oil products trading businesses in Greece and internationally.

Esso Francaise SA is a France-based company engaged in the petroleum industry.

Alon USA Energy is an independent refiner and marketer of petroleum products focused on growth and innovation to meet both the energy and environmental needs of today.