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 812 — direct correspondence
• approximate NAICS 531 — mapped via ISIC 65
• approximate NAICS 541 — mapped via ISIC 72
• approximate NAICS 561 — mapped via ISIC 72
• approximate NAICS 485 — mapped via ISIC 48
• approximate NAICS 517 — mapped via ISIC 48