AGL Resources Inc., an energy services holding company, distributes natural gas in Illinois, Georgia, Virginia, New Jersey, Florida, Tennessee, and Maryland. The company’s Distribution Operations segment constructs, manages, and maintains intrastate natural gas pipelines and distribution facilities. As of December 31, 2011, this segment owned approximately 80,000 miles of underground distribution and transmission mains; and served approximately 4.5 million end-use customers. Its Retail Operations segment markets natural gas and related home services, such as appliance repair and line protection plans; offers products that provide product protection and comfort services, and natural gas price risk and utility bill management services; and provides warranty protection solutions and customer move connection services. The company’s Wholesale Services segment is involved in the provision of asset management and optimization, storage, transportation, production, and peaking services; wholesale marketing of natural gas; and provision of natural gas supply and services. Its Midstream Operations segment engages in natural gas storage business, which develops, acquires, and operates underground natural gas storage assets primarily in the Gulf Coast region of the United States and in northern California. The company’s Cargo Shipping segment engages in the transportation of containerized freight; and provision of southbound and northbound scheduled services, interisland services, inland transportation, and cargo insurance services. This segment is also involved in cargo container leasing business; and operates approximately 12 owned vessels and 2 chartered vessels with a container capacity of approximately 5,500 twenty-foot equivalent units. The company serves residential, commercial, industrial, and governmental customers. AGL Resources Inc. was founded in 1856 and is based in Atlanta, Georgia.