2012 Edition

national industry 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).

The immediate parent of national industry 212312 is international industry 21231: Stone Mining and Quarrying

2012 NAICS Edition 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.


The NAICS editions in which this code was present are indicated below. In the event that a code was changed from the prior edition the equivalent value in that edition is provided for reference.

Edition Value
2002 212312 -
2007 212312 -
2012 212312 -
2017 212312 -

Standard Industrial Classification (SIC) Mappings

  1. 1422 - Crushed and Broken Limestone

Insurance Industry Mappings

The US Property and Casualty Insurance Industry may use the following classification descriptions which might encompass national industry 212312, Crushed and Broken Limestone Mining and Quarrying:

  1. crushed and broken limestone
  2. crushed and broken limestone mining and quarrying
  3. lime manufacturing quarry surface
  4. mining
  5. mining except oil and gas
  6. mining not otherwise classified
  7. mining quarrying and oil and gas extraction
  8. nonmetallic mineral mining and quarrying
  9. quarry
  10. quarry cement rock surface
  11. quarry limestone surface
  12. quarry without blasting activity
  13. quarrying not otherwise classified including crushing lime manufacturing slate splitting
  14. quarrying underground mining
  15. stone crushing
  16. stone mining and quarrying


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