Sewage Treatment Facilities
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Top Industries
- Sewage Treatment Facilities9
Set-Aside Distribution
- 6
- Small Business3
Top Locations
- CA2
- CO2
- AP1
- AZ1
- DC1
About NAICS221320
The North American Industry Classification System (NAICS) code 221320 covers sewage treatment facilities. Federal agencies use NAICS codes to classify contracts by industry. Businesses should register their applicable NAICS codes in SAM.gov.
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