North American Industry Classification System 2022International Standard Industrial Classification of All Economic Activities, Rev.4
NAICS 2022 212312 to ISIC Rev 4
Crosswalk mapping from NAICS 2022 212312 "Crushed and Broken Limestone Mining and Quarrying" to ISIC Rev 4. 2 official equivalences.
NAICS 2022 212312 in ISIC Rev 4
Each entry is an official equivalence edge. Click to see the full ISIC Rev 4 definition, hierarchy, and its own crosswalks.
Reverse direction: ISIC Rev 4 to NAICS 2022
About NAICS 2022 212312
212312 Crushed and Broken Limestone Mining and QuarryingThis U.S. industry comprises (1) establishments primarily engaged in developing the mine site, mining or quarrying crushed and broken limestone (including related rocks, such as dolomite, cement rock, marl, travertine, and calcareous tufa) and (2) preparation plants primarily engaged in beneficiating limestone (e.g., grinding or pulverizing). Cross-References. Establishments primarily engaged in--