Southern Natural Gas Company. The Company's principal activity is to provide interstate transportation and storage of natural gas. The Company is a wholly owned subsidiary of El Paso Energy Corporation. The Company conducts business activities through an interstate natural gas pipeline system, storage facilities and a liquefied natural gas (LNG) terminalling facility. The Company's interstate pipeline system extends from natural gas fields in Alabama, Louisiana, Mississippi, Texas and the Gulf of Mexico to markets in Alabama, Florida, Georgia, Louisiana, Mississippi, South Carolina and Tennessee, including the metropolitan areas of Atlanta and Birmingham. The Company provides natural gas transportation services for their distribution customers, primarily for residential and commercial end use, industrial customers, electric generation companies, gas producers, other gas pipelines and gas marketing and trading companies.