Convert industry codes

Cross-system equivalents backed by official correspondence tables and exact code matches — never guesses. Approximate mappings are labeled. How it works →

• exact NAICS 3261 — direct correspondence
• approximate NAICS 3399 — mapped via ISIC 222
• approximate NAICS 3379 — mapped via ISIC 222
• approximate NAICS 3141 — mapped via ISIC 222
• approximate NAICS 3252 — mapped via ISIC 222
• approximate NAICS 3262 — mapped via ISIC 222