Williams is a natural gas provider for the Manassas area. It develops and produces natural gas in its exploration for fuel. The company specializes in extracting natural gas from unconventional sources, and supplies gas to homes and businesses.
The Manassas Ice and Fuel Company, located in Old Town Manassas off Center Street, provides fuel for all types of vehicles. In addition to gas, it also offers ice, heating oils and kerosene, all at the same convenient location.