North American Industry Classification System (NAICS) 2007

324 - Petroleum and Coal Product 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.

• Exclusion(s):

  Establishments primarily engaged in:

  • manufacturing chemicals and chemical preparations from refined petroleum and coal products (See 325 Chemical Manufacturing)

3241 - Petroleum and Coal Product Manufacturing

This industry group 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.