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Convert industry codes

Cross-system equivalents backed by official correspondence tables and exact code matches — never guesses. Approximate mappings are labeled. How it works →

Examples:
FromNIC
801999
Other security activities n.e.c.
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ToNAICS
561621
Security Systems Services (except Locksmiths)
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ToNAICS
561622
Locksmiths
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  • approximate NAICS 561621 — mapped via ISIC 8019
  • approximate NAICS 561622 — mapped via ISIC 8019