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

421099

Other construction of roads and railways n.e.c.

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ToNAICS

237310

Highway, Street, and Bridge Construction

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ToNAICS

237990

Other Heavy and Civil Engineering Construction

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ToNAICS

238990

All Other Specialty Trade Contractors

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approximate NAICS 237310 — mapped via ISIC 4210
approximate NAICS 237990 — mapped via ISIC 4210
approximate NAICS 238990 — mapped via ISIC 4210