Targa Resources

OGE Energy is the parent company of Oklahoma Gas and Electric Company, a regulated electric utility, and Enogex, a natural gas pipeline business. The electric company serves nearly 735,000 retail customers in Oklahoma and western Arkansas, and several wholesale customers in the region. It has nine power plants capable of producing 6,100 megawatts. The company generates nearly 70 percent of its electricity from low-sulfur Wyoming coal and 30 percent from natural gas. Enogex is engaged in natural gas gathering, processing, transportation, storage and marketing. It operates a natural gas pipeline system with 8,000 miles of pipe, six processing plants and 23 billion cubic feet of gas storage capacity. OGE Energy Resources conducts the company's energy marketing and related activities. Operating in the commodities markets for electricity and natural gas, its primary role is to optimize the generation, transmission and pipeline assets of OGE Energy. OGE Energy has headquarters in Oklahoma City.

ONEOK Field Service, a subsidiary of ONEOK, Inc., is a prominent midstream service provider in the United States. The company specializes in connecting abundant supply basins with essential market centers. With a focus on efficiency and reliability, ONEOK Field Service plays a crucial role in the transportation and distribution of energy resources across the nation. Their dedication to excellence has solidified their position as a leader in the midstream industry. Generated from their website's infomation

A supplier for many major gasoline distributors, Mustang Fuel Corporation is an oil and gas extraction company that collects petroleum throughout North America, primarily from the mid-continent, and then refines and markets oil and gas products through its two subsidiaries, Mustang Gas Products and Gas Marketing Company. The company maintains headquarters in Oklahoma City, Oklahoma and holds additional offices throughout Oklahoma and Texas. These additional offices include the Spring Valley Plant, Chapel Hill Plant and Aviation Services. Mustang Fuel Corporation was founded in 1950 and is privately owned and operated.