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 — direct correspondence
• approximate NAICS 332 — mapped via ISIC 35
• approximate NAICS 333 — mapped via ISIC 35
• approximate NAICS 334 — mapped via ISIC 35
• approximate NAICS 541 — mapped via ISIC 37