Convert industry codes

Cross-system equivalents backed by official correspondence tables and exact code matches — never guesses. Approximate mappings are labeled. How it works →

• approximate NAICS 531110 — mapped via ISIC 6531
• approximate NAICS 531210 — direct correspondence
• approximate NAICS 531311 — direct correspondence
• approximate NAICS 531312 — direct correspondence
• approximate NAICS 531320 — direct correspondence
• approximate NAICS 531390 — direct correspondence
• approximate NAICS 812220 — mapped via ISIC 6531
• approximate NAICS 813990 — mapped via ISIC 6531