Mark P. O'Flynn

Washington Gas Light Co. is a regulated public utility company, which engages in the natural gas distribution business. It offers regulated distribution of natural gas to retail customers under tariff rates designed to provide for a return on the investment used in providing that service. The company was founded in 1848 and is headquartered in Washington, DC.

WGL Holdings, Inc. engages in the sale and delivery of natural gas and provides energy-related products and services. The company was founded in 1848 and is headquartered in Washington, DC.

GPU Energy, Inc. is a holding American company that provides electric utility services.

Columbia Gulf Transmission operates pipelines that delivers natural gas to customers in Louisiana, Mississippi, Kentucky and Tennessee. It also provides electric power services for power generation plants. The company was founded in 1954 and is headquartered in Houston, TX.

Columbia Gas Transmission Corp. operates natural gas pipeline network serving hundreds of communities. It also owns and operates underground natural gas storage systems. The company is headquartered in Charleston, VA.