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
434
Intermediation service activities for specialized construction services
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ToNAICS
2381
Foundation, Structure, and Building Exterior Contractors
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ToNAICS
2383
Building Finishing Contractors
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ToNAICS
2382
Building Equipment Contractors
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ToNAICS
2389
Other Specialty Trade Contractors
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ToNAICS
2131
Support Activities for Mining
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ToNAICS
2371
Utility System Construction
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ToNAICS
2379
Other Heavy and Civil Engineering Construction
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ToNAICS
2361
Residential Building Construction
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ToNAICS
2362
Nonresidential Building Construction
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ToNAICS
2373
Highway, Street, and Bridge Construction
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ToNAICS
5413
Architectural, Engineering, and Related Services
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ToNAICS
5617
Services to Buildings and Dwellings
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ToNAICS
5629
Remediation and Other Waste Management Services
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  • approximate NAICS 2381 — direct correspondence
  • approximate NAICS 2383 — direct correspondence
  • approximate NAICS 2382 — mapped via ISIC 179
  • approximate NAICS 2389 — mapped via ISIC 179
  • approximate NAICS 2131 — direct correspondence
  • approximate NAICS 2371 — mapped via ISIC 162
  • approximate NAICS 2379 — mapped via ISIC 162
  • approximate NAICS 2361 — mapped via ISIC 153
  • approximate NAICS 2362 — direct correspondence
  • approximate NAICS 2373 — direct correspondence
  • approximate NAICS 5413 — mapped via ISIC 138
  • approximate NAICS 5617 — direct correspondence
  • approximate NAICS 5629 — mapped via ISIC 179