Variant of NAICS 2002 - Durable and Non-Durable Goods Manufacturing Industries

• 31-33 - Manufacturing
• 5.1.2 - Non-durable Goods Manufacturing Industries

324 - Petroleum and Coal Products Manufacturing

This subsector comprises establishments primarily engaged in transforming crude petroleum and coal into intermediate and end products. The dominant process is petroleum refining, which separates crude petroleum into components or fractions through such techniques as cracking and distillation.