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 5251 — mapped via ISIC 643
• approximate NAICS 5259 — mapped via ISIC 643
• approximate NAICS 5223 — mapped via ISIC 661
• approximate NAICS 5231 — mapped via ISIC 661
• approximate NAICS 5232 — mapped via ISIC 661
• approximate NAICS 5239 — direct correspondence
• approximate NAICS 8131 — mapped via ISIC 949
• approximate NAICS 8132 — direct correspondence
• approximate NAICS 8133 — mapped via ISIC 949
• approximate NAICS 8134 — mapped via ISIC 949
• approximate NAICS 8139 — mapped via ISIC 949