National Fuel Gas Company operates as a diversified energy company. It operates through four segments: Exploration and Production, Pipeline and Storage, Gathering, and Utility. The Exploration and Production segment explores for, develops, and produces natural gas and oil. The Pipeline and Storage segment provides interstate natural gas transportation services through an integrated gas pipeline system in Pennsylvania and New York; and owns and operates underground natural gas storage fields. This segment also transports natural gas for National Fuel Gas Distribution Corporation, as well as for other utilities, industrial companies, and power producers in New York State. The Gathering segment builds, owns, and operates natural gas processing and pipeline gathering facilities in the Appalachian region, as well as provides gathering services to Seneca. The Utility segment sells natural gas or provides natural gas utility services to various customers in Buffalo, Niagara Falls, and Jamestown, New York; and Erie and Sharon, Pennsylvania. National Fuel Gas Company was incorporated in 1902 and is headquartered in Williamsville, New York.