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
3322
Malleable Iron Foundries
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ToNAICS
331210
Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
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ToNAICS
331511
Iron Foundries
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ToNAICS
331512
Steel Investment Foundries
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ToNAICS
331513
Steel Foundries (except Investment)
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ToNAICS
332313
Plate Work Manufacturing
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ToNAICS
332420
Metal Tank (Heavy Gauge) Manufacturing
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ToNAICS
333248
All Other Industrial Machinery Manufacturing
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ToNAICS
333517
Machine Tool Manufacturing
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ToNAICS
333519
Rolling Mill and Other Metalworking Machinery Manufacturing
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  • approximate NAICS 331210 — mapped via ISIC 2431
  • approximate NAICS 331511 — direct correspondence
  • approximate NAICS 331512 — mapped via ISIC 2431
  • approximate NAICS 331513 — mapped via ISIC 2431
  • approximate NAICS 332313 — mapped via ISIC 2823
  • approximate NAICS 332420 — mapped via ISIC 2823
  • approximate NAICS 333248 — mapped via ISIC 2823
  • approximate NAICS 333517 — mapped via ISIC 2823
  • approximate NAICS 333519 — mapped via ISIC 2823