- Gases and liquefied petroleum gases (5)
- Gas, refinery (2)
- Gasoline blending plants (3)
- Solvents (1)
- Diesel fuels (3)
- Oils, fuel (3)
- Mineral oils, natural (1)
- Oils, lubricating (4)
- Asphalt or asphaltic materials, made in refineries (3)
- Aromatic chemical products (1)
