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
411
Local and Suburban Passenger Transportation
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ToNAICS
4851
Urban Transit Systems
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ToNAICS
4841
General Freight Trucking
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ToNAICS
4842
Specialized Freight Trucking
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ToNAICS
4859
Other Transit and Ground Passenger Transportation
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ToNAICS
4853
Taxi and Limousine Service
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ToNAICS
6213
Offices of Other Health Practitioners
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ToNAICS
6214
Outpatient Care Centers
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ToNAICS
6215
Medical and Diagnostic Laboratories
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ToNAICS
6216
Home Health Care Services
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ToNAICS
6219
Other Ambulatory Health Care Services
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ToNAICS
4821
Rail Transportation
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ToNAICS
4852
Interurban and Rural Bus Transportation
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ToNAICS
4854
School and Employee Bus Transportation
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ToNAICS
4855
Charter Bus Industry
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ToNAICS
4871
Scenic and Sightseeing Transportation, Landt
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ToNAICS
4879
Scenic and Sightseeing Transportation, Other
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  • approximate NAICS 4851 — direct correspondence
  • approximate NAICS 4841 — mapped via ISIC 492
  • approximate NAICS 4842 — mapped via ISIC 492
  • approximate NAICS 4859 — direct correspondence
  • approximate NAICS 4853 — mapped via ISIC 492
  • approximate NAICS 6213 — mapped via ISIC 869
  • approximate NAICS 6214 — mapped via ISIC 869
  • approximate NAICS 6215 — mapped via ISIC 869
  • approximate NAICS 6216 — mapped via ISIC 869
  • approximate NAICS 6219 — mapped via ISIC 869
  • approximate NAICS 4821 — mapped via ISIC 491
  • approximate NAICS 4852 — mapped via ISIC 492
  • approximate NAICS 4854 — direct correspondence
  • approximate NAICS 4855 — mapped via ISIC 492
  • approximate NAICS 4871 — direct correspondence
  • approximate NAICS 4879 — mapped via ISIC 492