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 4811 — direct correspondence
• approximate NAICS 4812 — mapped via ISIC 512
• approximate NAICS 4879 — mapped via ISIC 511
• approximate NAICS 4911 — mapped via ISIC 533
• approximate NAICS 4921 — direct correspondence
• approximate NAICS 4922 — mapped via ISIC 532
• approximate NAICS 9271 — mapped via ISIC 512