2022 NAICS subsector in sector 31-33 Manufacturing
324 Petroleum and Coal Products Manufacturing
NAICS 324 is the US industry code for petroleum and coal products manufacturing. The Petroleum and Coal Products Manufacturing subsector is based on the transformation of crude petroleum and coal into usable products.
Official definition
The Petroleum and Coal Products Manufacturing subsector is based on the transformation of crude petroleum and coal into usable products. The dominant process is petroleum refining that involves the separation of crude petroleum into component products through such techniques as cracking and distillation.
In addition, this subsector includes establishments that primarily further process refined petroleum and coal products and produce products, such as asphalt coatings and petroleum lubricating oils. However, establishments that manufacture petrochemicals from refined petroleum are classified in Industry 32511, Petrochemical Manufacturing.
Codes in 324
Inside 3241
Data last changed November 14, 2026. How this page is built.