1. 2-6 Digit Groups
2. Sector 21

Sector 21

Mining, Quarrying, and Oil and Gas Extraction

2017 NAICS industries 212111, 212112, Bituminous Coal and Lignite Surface Mining, and Bituminous Coal Underground Mining, respectively, were replaced by 212114, Surface Coal Mining, and 212115, Underground Mining. 2017 group 212113, Anthracite Mining, was removed and its contents split into the new surface and underground mining groups mentioned in the previous sentence.

2017 NAICS groups 212221 and 212222, Gold Ore Mining and Silver Ore Mining, respectively, were collapsed into a new 6-digit group, 212220, Gold Ore and Silver Ore Mining.

2017 NAICS group 212291, Uranium-Radium-Vanadium Ore Mining, and 212299, All Other Metal Ore Mining were collapsed into a new 6-digit industry 212290, Other Metal Ore Mining.

2017 NAICS groups, 212324, Kaolin and Ball Clay Mining, and 212325, Clay and Ceramic and Refractory Minerals Mining were collapsed into a new 6-digit group 212323, Kaolin, Clay, and Ceramic and Refractory Minerals Mining.

2017 NAICS industries, 212391, Potash, Soda, and Borate Mineral Mining, 212392, Phosphate Rock Mining, 212393, Other Chemical and Fertilizer Mineral Mining, and 212399, All Other Nonmetallic Mineral Mining were collapsed into a new 6-digit industry, 212390, Other Nonmetallic Mineral Mining and Quarrying.

All Changes

Links

• Ask Kodiak 2022 Guide: Sector 21, Mining, Quarrying, and Oil and Gas Extraction
• HD Codes in Sector 21
• 2-6 Digit Groups in Sector 21