NAICS Code 221320: Sewage Treatment Facilities
NAICS code 221320 is the industry for sewage treatment facilities in the Utilities sector. Agencies tag every federal contract with a NAICS code, so this is the code to list in your SAM.gov registration and to search for bids.
Government contracts under NAICS 221320
Federal agencies obligated $660M on contracts under NAICS 221320 from FY2024 to FY2026, including $200M in FY2026. The biggest buyers were the Department of Defense, the Department of State, the Department of Justice. The largest contractors were Veolia Water West Operating Services Inc, American Water Military Services, LLC, Aqua Engineers Inc.
See the full breakdown: government sewage treatment facilities contracts, who wins and who buys.
Open government bids for NAICS 221320
No open bids under NAICS 221320 right now. Check the open bids page, which is updated daily from SAM.gov.
Small business size standard for NAICS 221320
To bid on small business set-aside contracts under NAICS 221320, your business must be small under the SBA size standard for this code, measured either by average annual receipts or by number of employees. The values are updated periodically, so check the current SBA table of size standards before you bid.
Other NAICS codes in 2213
How to choose the right NAICS code
Pick the 6-digit code that best describes what you sell. List it as your primary code in SAM.gov, and add other codes for related work. Agencies choose one NAICS code for each contract, so check the codes on past awards for the kind of work you do. Search all codes in the NAICS code lookup.
Related guides
Frequently asked questions
- What is NAICS code 221320?
- NAICS 221320 is the industry "Sewage Treatment Facilities" in the North American Industry Classification System, part of the Utilities sector (22).
- What is the size standard for NAICS 221320?
- The SBA sets a small business size standard for each NAICS code, either average annual receipts or number of employees. Check the current value for 221320 in the SBA table of size standards on sba.gov; it changes from time to time.
- Are there government contracts for NAICS 221320?
- Yes. Federal agencies obligated $660M on contracts under NAICS 221320 from FY2024 to FY2026.