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

370004

Treatment of waste water or sewer water by means of physical, chemical or biological processes

Open detail

ToNAICS

221320

Sewage Treatment Facilities

Open detail

ToNAICS

562219

Other Nonhazardous Waste Treatment and Disposal

Open detail

ToNAICS

562991

Septic Tank and Related Services

Open detail

ToNAICS

562998

All Other Miscellaneous Waste Management Services

Open detail

approximate NAICS 221320 — mapped via ISIC 3700
approximate NAICS 562219 — mapped via ISIC 3700
approximate NAICS 562991 — mapped via ISIC 3700
approximate NAICS 562998 — mapped via ISIC 3700