Convert industry codes

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

FromNIC

421

Construction of roads and railways

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ToNAICS

2373

Highway, Street, and Bridge Construction

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ToNAICS

2379

Other Heavy and Civil Engineering Construction

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ToNAICS

2389

Other Specialty Trade Contractors

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approximate NAICS 2373 — mapped via ISIC 421
approximate NAICS 2379 — mapped via ISIC 421
approximate NAICS 2389 — mapped via ISIC 421