Convert industry codes

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

FromNAICS

327331

Concrete Block and Brick Manufacturing

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ToISIC

2391

Manufacture of refractory products

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ToISIC

2392

Manufacture of clay building materials

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ToISIC

2395

Manufacture of articles of concrete, cement and plaster

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approximate ISIC 2391 — mapped via ISIC 3251
approximate ISIC 2392 — mapped via ISIC 3251
approximate ISIC 2395 — direct correspondence