Tennessee Gas Pipeline Company. The Group's principal activities are interstate transportation and storage of natural gas. The Group operates through two Natural Gas Transmission Systems and a Storage facility. The Group also has non-regulated operations, including intrastate transportation, gathering and processing of natural gas, marketing of natural gas. The multiple pipe line system begins in the natural gas producing regions of Louisiana, including gulf of Mexico, and South Texas and extends to the North East section of the US including New York city and Boston metropolitan areas. The Group also has an Inter connect at the US Mexico border and has sufficient underground working storage capacity.