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

370001

Operation and maintenance of sewer and drains

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ToNAICS

221320

Sewage Treatment Facilities

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ToNAICS

562219

Other Nonhazardous Waste Treatment and Disposal

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ToNAICS

562991

Septic Tank and Related Services

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ToNAICS

562998

All Other Miscellaneous Waste Management Services

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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