CenterPoint Energy Resources Corp. engages in owning and operating natural gas distribution systems. It also offers variable and fixed-price physical natural gas supplies primarily to commercial and industrial customers and gas utilities. It operates through the following segments: Natural Gas Distribution, Energy Services, Midstream Investments, and Other Operations. The Natural Gas Distribution segment refers to the intrastate natural gas sales and natural gas transportation and distribution for residential, commercial, industrial, and institutional customers. The Energy Services segment represents the company’s non-rate regulated gas sales and services operations. The Midstream Investments segment includes equity investment in Enable. The Other Operations segment provides unallocated corporate costs and inter-segment eliminations. CenterPoint Energy Resources was founded in 1882 and is headquartered in Houston, TX.