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NIC 421002—Construction and maintenance of tunnels, subways, bridges and overpasses

Subclass · National Industrial Classification (2025)

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Where 421002 sits

  1. F Construction
  2. 42 Civil engineering
  3. 421 Construction of roads and railways
  4. 4210 Construction of roads and railways
  5. 421002 Construction and maintenance of tunnels, subways, bridges and overpasses

What 421002 includes

  • Construction and maintenance of tunnels, subways, bridges and overpasses

421002 in other systems

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