Shell is a global group of energy and petrochemicals companies.
Exxon Mobil Corporation explores and produces crude oil and natural gas.
Chevron is an integrated energy and technology company.
Valero Energy Corporation is an independent petroleum refining and marketing company.
Marathon Petroleum Corporation (MPC) is one of the largest petroleum refiners, marketers and transporters in the United States.
Murphy is a low-price, high-volume fuel retailer that also sells convenience merchandise through a chain of retail stores.
Andeavor, formerly Tesoro Corporation, is an independent petroleum refining, logistics and marketing company.
BP (British Petroleum) is an oil and petrochemicals company.
Global leads in logistics of transporting Bakken/Canadian crude oil and energy products via rail, from US/Canada to refiners and customers to East/West coasts.
Sempra Energy is a natural gas utilities holding company.
CST Brands, Inc. is a fuel and convenience retailer.
Occidental Petroleum Corporation is an oil and gas exploration and production company.