2017 NAICS Definition

T = Canadian, Mexican, and United States industries are comparable.

212312 Crushed and Broken Limestone Mining and Quarrying

This 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--
  • Producing lime--are classified in Industry 327410, Lime Manufacturing; and
  • Mining or quarrying bituminous limestone--are classified in U.S. Industry 212319, Other Crushed and Broken Stone Mining and Quarrying.
2007
NAICS		   2012
NAICS		   2017
NAICS		   Corresponding Index
Entries
212312   212312   212312   Agricultural limestone mining and/or beneficiating
212312   212312   212312   Calcareous tufa crushed and broken stone mining and/or beneficiating
212312   212312   212312   Cement rock crushed and broken stone mining and/or beneficiating
212312   212312   212312   Chalk crushed and broken stone mining and/or beneficiating
212312   212312   212312   Chalk, ground or otherwise treated, mining and/or beneficiating
212312   212312   212312   Dolomite crushed and broken stone mining and/or beneficiating
212312   212312   212312   Lime rock, ground, mining and/or beneficiating
212312   212312   212312   Limestone (except bituminous) crushed and broken stone mining and/or beneficiating
212312   212312   212312   Limestone beneficiating plants (e.g., grinding or pulverizing)
212312   212312   212312   Marl crushed and broken stone mining and/or beneficiating
212312   212312   212312   Riprap, limestone, mining or quarrying
212312   212312   212312   Riprap, limestone, preparation plants
212312   212312   212312   Travertine crushed and broken stone mining and/or beneficiating
212312   212312   212312   Tufa, calcareous, crushed and broken stone, mining and/or beneficiating
212312   212312   212312   Whiting crushed and broken stone, mining and/or beneficiating