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
331
Steel Works, Blast Furnaces, and Rolling and Finishing Mills
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ToNAICS
3312
Steel Product Manufacturing from Purchased Steel
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ToNAICS
3329
Other Fabricated Metal Product Manufacturing
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ToNAICS
3311
Iron and Steel Mills and Ferroalloy Manufacturing
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ToNAICS
3241
Petroleum and Coal Products Manufacturing
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ToNAICS
3251
Basic Chemical Manufacturing
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ToNAICS
3313
Alumina and Aluminum Production and Processing
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ToNAICS
3314
Nonferrous Metal (except Aluminum) Production and Processing
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ToNAICS
3315
Foundries
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ToNAICS
3326
Spring and Wire Product Manufacturing
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ToNAICS
3359
Other Electrical Equipment and Component Manufacturing
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  • approximate NAICS 3312 — direct correspondence
  • approximate NAICS 3329 — mapped via ISIC 241
  • approximate NAICS 3311 — direct correspondence
  • approximate NAICS 3241 — direct correspondence
  • approximate NAICS 3251 — mapped via ISIC 191
  • approximate NAICS 3313 — mapped via ISIC 273
  • approximate NAICS 3314 — mapped via ISIC 273
  • approximate NAICS 3315 — mapped via ISIC 243
  • approximate NAICS 3326 — direct correspondence
  • approximate NAICS 3359 — mapped via ISIC 273