Variant of NAICS 2017 Version 3.0 - 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).

21i - E - Mining, quarrying and oil and gas extraction

This category comprises the portion of NAICS sector 21 'Mining, quarrying, and oil and gas extraction' that relates to energy industries.

212i - E - Mining and quarrying (except oil and gas)

This category comprises the portion of NAICS subsector 212 'Mining and quarrying (except oil and gas)' that relates to energy industries.

2121 - Coal mining

This industry group comprises establishments primarily engaged in mining bituminous and lignite coal by underground mining, and auger mining, strip mining, culm bank mining and other surface mining. Mining operations and preparation plants (also known as cleaning plants and washeries), whether or not such plants are operated in conjunction with mine sites, are included.

2122i - E - Metal ore mining

This category comprises the portion on NAICS industry group 2122 'Metal ore mining' that relates to energy industries.