Baker Hughes is an international industrial and oilfield service company.
Valero Energy is an independent petroleum refining and marketing company.
Total is a multinational integrated oil and gas company.
Marathon Petroleum Corporation (MPC) is a petroleum refiner, marketer and transporter.
Phillips 66 is an energy manufacturing and logistics company with midstream, chemicals, refining and marketing, and specialties businesses.
Andeavor, formerly Tesoro Corporation, is an independent petroleum refining, logistics and marketing company.
Suedzucker is a company engaged in the processing of agricultural raw materials.
Indian Oil Corporation is an oil and gas company.
Imperial Oil is a company that explores for, produces, and sells crude oil and natural gas.
LyondellBasell Industries operates as a manufacturer of chemicals and polymers, refiner of crude oil, producer of gasoline blending components, developer and licensor of technologies for the production of polymers.
HollyFrontier Corporation operates as an independent petroleum refiner in the United States. The company operates in two segments, Refining and HEP.
Aemetis is an international renewable fuels and bio-chemicals company.