NAICS 221320
Sewage Treatment Facilities
Top Awarding Agencies
- Department of DEFENSE2 open
- INTERIOR, DEPARTMENT OF THE2 open
- AGRICULTURE, DEPARTMENT OF1 open
- INTERNATIONAL BOUNDARY AND WATER COMMISSION: US-MEXICO1 open
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NAICS 221320 is classified under Sector 22 · Level 6-digit code. Census Bureau NAICS reference ↗