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
179
Miscellaneous Special Trade Contractors
Open detail
ToNAICS
2381
Foundation, Structure, and Building Exterior Contractors
Open detail
ToNAICS
2383
Building Finishing Contractors
Open detail
ToNAICS
2382
Building Equipment Contractors
Open detail
ToNAICS
2389
Other Specialty Trade Contractors
Open detail
ToNAICS
2131
Support Activities for Mining
Open detail
ToNAICS
5617
Services to Buildings and Dwellings
Open detail
ToNAICS
2361
Residential Building Construction
Open detail
ToNAICS
2362
Nonresidential Building Construction
Open detail
ToNAICS
2371
Utility System Construction
Open detail
ToNAICS
2373
Highway, Street, and Bridge Construction
Open detail
ToNAICS
2379
Other Heavy and Civil Engineering Construction
Open detail
ToNAICS
4881
Support Activities for Air Transportation
Open detail
ToNAICS
4882
Support Activities for Rail Transportation
Open detail
ToNAICS
4883
Support Activities for Water Transportation
Open detail
ToNAICS
4884
Support Activities for Road Transportation
Open detail
ToNAICS
5629
Remediation and Other Waste Management Services
Open detail
ToNAICS
8113
Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
Open detail
  • approximate NAICS 2381 — mapped via ISIC 434
  • approximate NAICS 2383 — mapped via ISIC 434
  • approximate NAICS 2382 — direct correspondence
  • approximate NAICS 2389 — direct correspondence
  • approximate NAICS 2131 — mapped via ISIC 434
  • approximate NAICS 5617 — mapped via ISIC 812
  • approximate NAICS 2361 — mapped via ISIC 410
  • approximate NAICS 2362 — direct correspondence
  • approximate NAICS 2371 — mapped via ISIC 422
  • approximate NAICS 2373 — mapped via ISIC 434
  • approximate NAICS 2379 — direct correspondence
  • approximate NAICS 4881 — mapped via ISIC 812
  • approximate NAICS 4882 — mapped via ISIC 812
  • approximate NAICS 4883 — mapped via ISIC 812
  • approximate NAICS 4884 — mapped via ISIC 812
  • approximate NAICS 5629 — direct correspondence
  • approximate NAICS 8113 — mapped via ISIC 812