NAICS 2122 is the North American Industry Classification System code for Metal Ore Mining, a industry group in the Mining (except Oil and Gas) subsector (212) of the Mining, Quarrying, and Oil and Gas Extraction sector (21). It divides into 4 more specific codes, including Iron Ore Mining (212210), Gold Ore and Silver Ore Mining (212220) and Copper, Nickel, Lead, and Zinc Mining (212230).
NAICS 2122 is the code for Metal Ore Mining, a industry group in the North American Industry Classification System (NAICS 2022), under 212 (Mining (except Oil and Gas)). It has 4 more specific codes: 212210, 212220, 212230 and 21229.
The parent of NAICS 2122 is 212, Mining (except Oil and Gas). Every company under 2122 is also counted under 212.