The Utility division sells natural gas or moves natural gas from one part of the country to another. The Pipeline and Storage division provides interstate natural gas transportation and storage services for related and non-related companies. The Exploration and Production division prospects for and extracts natural gas and oil from the ground. The Energy Marketing division markets natural gas to industrial, commercial, government, and residential customers. The Timber division markets wood from its New York and Pennsylvania forests, and it owns two sawmills in northwestern Pennsylvania, to cut wood into useful sizes and treat it with chemicals to make it last longer.