marketing. Enogex operates a natural gas pipeline system with about of pipe, six processing plants, and of gas storage capacity, principally in Oklahoma. In 2013, it was decided that Enogex would be merged with a portion of CenterPoint Energy's operations in a limited partnership to be called Enable Midstream Partners. OGE Energy Resources OGE Energy Resources conducts the company's energy marketing and related activities. Operating in the national commodities markets for electricity and natural gas, Energy Resources' primary role is to optimize the generation, transmission and pipeline assets of OGE Energy. References External links OGE Energy Corp. Electric power companies of the United States Natural gas companies of the United States Petroleum in Oklahoma Companies based in Oklahoma City Non-renewable resource companies established in 1902 1902 establishments in Oklahoma Territory Companies listed on the New York Stock Exchange