Atmos Energy Corporation is engaged in the regulated natural gas distribution and pipeline and storage businesses. The Company distributes natural gas through sales and transportation arrangements to over three million residential, commercial, public authority and industrial customers throughout its six distribution divisions. It also transports natural gas for others through its distribution and pipeline systems. It operates through two segments: Distribution and Pipeline and Storage. The Distribution segment includes its regulated natural gas distribution and related sales operations in eight states. Its Pipeline and Storage segment consists of the pipeline and storage operations of its Atmos Pipeline-Texas Division (APT) and its natural gas transmission operations in Louisiana. APT provides transportation and storage services to its Mid-Tex Division, other third-party local distribution companies, industrial and electric generation customers, as well as marketers and producers.