NAICS 213 is the North American Industry Classification System code for Support Activities for Mining, a subsector in the Mining, Quarrying, and Oil and Gas Extraction sector (21). It divides into 5 more specific codes, including Drilling Oil and Gas Wells (213111), Support Activities for Oil and Gas Operations (213112) and Support Activities for Coal Mining (213113).
NAICS 213 is the code for Support Activities for Mining, a subsector in the North American Industry Classification System (NAICS 2022), under 21 (Mining, Quarrying, and Oil and Gas Extraction). It has 5 more specific codes: 213111, 213112, 213113 and 213114 and others.
The parent of NAICS 213 is 21, Mining, Quarrying, and Oil and Gas Extraction. Every company under 213 is also counted under 21.