Variant of North American Industry Classification System (NAICS) 2022 Version 1.0 for Energy sector

E - Energy sector

This category comprises all NAICS codes that relate to energy industries.

This includes portions of the following sectors: 'Mining, quarrying, and oil and gas extraction' (NAICS 21), 'Utilities' (NAICS 22), 'Manufacturing' (NAICS 31-33) and 'Transportation and warehousing' (NAICS 48-49).

31-33i - E - Manufacturing

This category comprises the portion of NAICS sector 31-33 'Manufacturing' that relates to energy industries.

324i - E - Petroleum and coal product manufacturing

This category comprises the portion of NAICS subsector 324 'Petroleum and coal product manufacturing' that relates to energy industries.

3241i - E - Petroleum and coal product manufacturing

This category comprises the portion of NAICS industry group 3241 'Petroleum and coal product manufacturing' that relates to energy industries.

32411 - Petroleum refineries

This industry comprises establishments primarily engaged in refining crude petroleum. Petroleum refining involves the transformation of crude oil by such processes as cracking and distillation.