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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:
FromISIC
2391
Manufacture of refractory products
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ToNAICS
327120
Clay Building Material and Refractories Manufacturing
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ToNAICS
327331
Concrete Block and Brick Manufacturing
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  • approximate NAICS 327120 — direct correspondence
  • approximate NAICS 327331 — mapped via ISIC 3251