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 336 — mapped via ISIC 37
• approximate NAICS 541 — mapped via ISIC 37
• approximate NAICS 236 — mapped via ISIC 87
• approximate NAICS 237 — mapped via ISIC 87