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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:
FromNAICS
4821
Rail Transportation
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ToISIC
491
Transport via railways
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ToISIC
522
Support activities for transportation
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ToISIC
523
Intermediation service activities for transportation
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ToISIC
331
Repair and maintenance of fabricated metal products, machinery and equipment
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ToISIC
812
Cleaning activities
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  • approximate ISIC 491 — direct correspondence
  • approximate ISIC 522 — mapped via ISIC 401
  • approximate ISIC 523 — mapped via ISIC 401
  • approximate ISIC 331 — mapped via ISIC 401
  • approximate ISIC 812 — mapped via ISIC 401