CenterPoint Energy, Inc. is a holding company, which engages in power generation and distribution. It operates through the following segments: Electric Transmission & Distribution; Natural Gas Distribution; Energy Services; Midstream Investments; and Other Operations. The Electric Transmission & Distribution segment generates and supplies energy to retail electric providers. The Natural Gas Distribution segment provides regulated intrastate natural gas sales to, and natural gas transportation and storage. The Energy Services segment offers variable and fixed-priced physical natural gas supplies primarily to commercial and industrial customers, and electric and natural gas utilities through CES and its subsidiary, CEIP. The Midstream Investments segment is consist of the equity method investment of CERC Corp in Enable, which is jointly controlled by CERC Corp. and OGE. The Other Operations segment is comprised of office buildings and other real estate used in the business operations and other corporate operations of the company. The company was founded in 1866 and is headquartered in Houston, TX.