The Southern Company (Southern Company) is a holding company. The Company owns all of the stock of the traditional operating companies and Southern Power Company (Southern Power), and owns other direct and indirect subsidiaries. Southern Company's segments include the sale of electricity by four traditional operating companies, Southern Power and All Other. The traditional operating companies, including Alabama Power Company (Alabama Power), Georgia Power Company (Georgia Power), Gulf Power Company (Gulf Power) and Mississippi Power Company (Mississippi Power), are vertically integrated utilities providing electric service in over four Southeastern states. The Company has interests in the Southern Communications Services, Inc., Southern Nuclear Operating Company, Inc., Southern Company Holdings, Inc. and other direct and indirect subsidiaries. Its subsidiary also includes PowerSecure International, Inc.