Convert industry codes

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

FromISIC

191

Manufacture of coke oven products

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ToNAICS

3251

Basic Chemical Manufacturing

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ToNAICS

3241

Petroleum and Coal Products Manufacturing

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ToNAICS

3259

Other Chemical Product and Preparation Manufacturing

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ToNAICS

3311

Iron and Steel Mills and Ferroalloy Manufacturing

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ToNAICS

3312

Steel Product Manufacturing from Purchased Steel

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ToNAICS

3326

Spring and Wire Product Manufacturing

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approximate NAICS 3251 — mapped via ISIC 286
approximate NAICS 3241 — direct correspondence
approximate NAICS 3259 — mapped via ISIC 286
approximate NAICS 3311 — mapped via ISIC 331
approximate NAICS 3312 — mapped via ISIC 331
approximate NAICS 3326 — mapped via ISIC 331