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 327110 — direct correspondence
• approximate NAICS 327120 — direct correspondence
• approximate NAICS 327331 — mapped via ISIC 3251
• approximate NAICS 327420 — mapped via ISIC 3299
• approximate NAICS 327999 — mapped via ISIC 3299