Petroleum companies

Exxon Mobil Corporation is a global oil and gas company and energy provider.

Chevron is an energy and technology company.

British Petroleum (BP) is an oil and petrochemical company that operates upstream, downstream, and renewables businesses.

Marathon Petroleum Corporation (MPC) is a petroleum product refining, marketing, retail, and midstream company.

Valero Energy is a petroleum refining and marketing company.

Sunoco is a growth-oriented master limited partnership that primarily deals with the distribution of motor fuel to convenience stores, independent dealers and commercial customers.

Shell is a group of energy and petrochemicals companies.

UGI Corporation is a holding company that, through its subsidiaries, distributes, stores, transports, and markets energy products and related services.

Murphy is a low-price, high-volume fuel retailer that also sells convenience merchandise through a chain of retail stores.

Indian Oil Corporation is an oil and gas company.

WPX Energy is an independent oil and natural gas exploration and production company.

Continental Resources is a company engaged in the exploration, development, and production of crude oil and natural gas.