Dominion is one of the largest producers and transporters of energy in the United States. Located in Indiana, Pa., the company has a portfolio of more than 11,000 miles of natural gas transmission, gathering/storage pipeline and more than 6,300 miles of electric transmission lines. It operates one of the nation s largest natural gas storage systems with 947 billion cubic feet of storage capacity and serves retail energy industry in 15 states. The company is also one the leading providers of electricity, natural gas and related services in the Midwest, Mid-Atlantic and Northeast regions of the United States.