CenterPoint Energy, Inc. operates as a holding company. The company through its subsidiaries owns and operates electric transmission and distribution facilities and natural gas distribution facilities. It operates through the following segments: Electric Transmission & Distribution, Natural Gas Distribution, Energy Services, Midstream Investments and Other Operations. The Electric Transmission & Distribution segment provides transmission and distribution electric utility that operates wholly within the state of Texas. The Natural Gas Distribution segment engages in regulated intrastate natural gas sales to, and natural gas transportation residential, commercial, industrial and transportation customers in Arkansas, Louisiana, Minnesota, Mississippi, Oklahoma and Texas. The Energy Services segment offers variable and fixed-priced physical natural gas supplies primarily to commercial and industrial customers and electric and gas utilities through CenterPoint Energy Services, Inc. and its subsidiary. The Midstream Investments segment owns, operates and develops natural gas and crude oil assets. The other operations segment includes office buildings and other real estate used in its business operations and other corporate operations that support all of its business operations. The company was founded in 1866 and is headquartered in Houston, TX.