Atmos Energy is engaged in the regulated natural gas distribution and pipeline and storage businesses. The company delivers natural gas through regulated sales and transportation arrangements to residential, commercial, public-authority and industrial customers. The company's segments are: Distribution, which is comprised of its regulated natural gas distribution and related sales operations; and Pipeline and Storage, which consists of the pipeline and storage operations of its Atmos Pipeline-Texas Division (APT) and its natural gas transmission operations in Louisiana. APT has intrastate pipeline operations in Texas with a focus on the natural gas-producing areas of central, northern and eastern Texas.

Atos is an international information technology services company operating in 52 countries. Co.'s customers are sectors like Public Sector and Utilities, Telecoms and Media, Financial Services, Process Industries and Discrete Manufacturing and Consumer Products and Retail. Co. operates in seven geographical segments: Germany; France; Benelux and The Nordics; U.K. and Ireland; Atos Worldline; Central & Eastern Europe; North America; Iberia; and Other Countries. Co. delivers IT services through the following five segments: Managed Services, Systems Integration, Consulting, Worldline: ePayment Services, and Cloud & Enterprise Software.