North American Industry Classification System (NAICS) Canada 2017 Version 1.0

• 21 - Mining, quarrying, and oil and gas extraction
• 212 - Mining and quarrying (except oil and gas)
• 2123 - Non-metallic mineral mining and quarrying
• 21231 - Stone mining and quarrying

212315 - Limestone mining and quarrying^CAN

This Canadian industry comprises establishments primarily engaged in mining or quarrying dimension limestone, rough blocks or slabs of limestone, crushed and broken limestone, and related rocks.

• Illustrative example(s)

  • agricultural limestone, ground (except fertilizer)
  • calcareous tufa, crushed and broken, quarrying
  • cement rock, quarrying
  • chalk mine or quarry
  • dolomite, crushed and broken stone, quarrying
  • travertine, quarrying

  All examples

• Inclusion(s)

  • grinding or pulverizing of limestone

• Exclusion(s)

  • limestone fertilizer made in plants producing nitrogenous or phosphatic fertilizer materials (See 325313 Chemical fertilizer (except potash) manufacturing)
  • limestone manufacturing made by mixing purchased materials (See 325314 Mixed fertilizer manufacturing)
  • producing lime (See 327410 Lime manufacturing)