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NIC 072904—Mining of zinc ore (calamine or smithsonite, zincite, etc)

Subclass · National Industrial Classification (2025)

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Where 072904 sits

  1. B Mining and quarrying
  2. 07 Mining of metal ores
  3. 072 Mining of non-ferrous metal ores
  4. 0729 Mining of other non-ferrous metal ores
  5. 072904 Mining of zinc ore (calamine or smithsonite, zincite, etc)

What 072904 includes

  • Mining of zinc ore (calamine or smithsonite, zincite, etc)

072904 in other systems

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