This category covers establishments engaged primarily in producing gasoline, kerosene, distillate fuel oils, residual fuel oils, and lubricants through fractionation or straight distillation of crude oil, redistillation of unfinished petroleum derivatives, cracking, or other processes. Establishments primarily engaged in producing natural gasoline from natural gas are classified in mining industries.
This category describes companies principally employed in manufacturing asphalt and tar paving mixtures and paving blocks made of asphalt mixed with other materials.
Asphalt is a compound made of hydrogen and carbon, with minor proportions of nitrogen, sulfur, and oxygen. It exists in forms ranging from a black liquid to a glassy solid.
Slow growth has bedeviled the mature U.S. lubricants industry since the 1990s.
This category includes establishments primarily engaged in manufacturing packaged fuel, powdered fuel, and other products of petroleum and coal not elsewhere classified. Products in this industry include calcined petroleum coke, regular petroleum coke, fireplace logs, fuel briquettes, or petroleum waxes, independently of petroleum refineries.