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 ISIC 0990 — direct correspondence
• approximate ISIC 4311 — mapped via ISIC 1241
• approximate ISIC 4312 — direct correspondence
• approximate ISIC 4340 — direct correspondence
• approximate ISIC 4390 — mapped via ISIC 1241