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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
251
Manufacture of structural metal products, tanks, reservoirs and steam generators
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ToNAICS
3323
Architectural and Structural Metals Manufacturing
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ToNAICS
3324
Boiler, Tank, and Shipping Container Manufacturing
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ToNAICS
3334
Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing
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ToNAICS
3371
Household and Institutional Furniture and Kitchen Cabinet Manufacturing
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ToNAICS
3372
Office Furniture (including Fixtures) Manufacturing
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ToNAICS
3321
Forging and Stamping
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  • approximate NAICS 3323 — mapped via ISIC 344
  • approximate NAICS 3324 — direct correspondence
  • approximate NAICS 3334 — mapped via ISIC 344
  • approximate NAICS 3371 — mapped via ISIC 254
  • approximate NAICS 3372 — mapped via ISIC 254
  • approximate NAICS 3321 — mapped via ISIC 344