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

421002

Construction and maintenance of tunnels, subways, bridges and overpasses

Open detail

ToNAICS

237310

Highway, Street, and Bridge Construction

Open detail

ToNAICS

237990

Other Heavy and Civil Engineering Construction

Open detail

ToNAICS

238990

All Other Specialty Trade Contractors

Open detail

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