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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:
FromSIC
43
United States Postal Service
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ToNAICS
491
Postal Service
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ToNAICS
492
Couriers and Messengers
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  • approximate NAICS 491 — mapped via ISIC 53
  • approximate NAICS 492 — mapped via ISIC 53