Get alerts
NAICS 221320

NAICS 221320 Sewage Treatment Facilities: 3 open RFPs

Open federal, state and local solicitations coded 221320 (Sewage Treatment Facilities), soonest deadline first. SBA small-business size standard for this NAICS: $35M revenue.

Updated 53 min ago · 3 open

Open now3notices under 221320
SBA size standard$35M revenueto qualify as small
Agencies buying3with an open notice

What government contracts are open under NAICS 221320?

As of October 7, 2026, RFPFinder lists 3 open government RFPs under NAICS 221320 (Sewage Treatment Facilities); the most active buyer is INTERNATIONAL BOUNDARY AND WATER COMMISSION: US-MEXICO with 1 open, and the next deadline is Nov 2. The SBA small-business size standard for this NAICS code is $35M revenue.

Due Nov ’2819773d left
Lagoon Aeration
Department of Agriculture · KY · due 2:00 PM ET
PresolicitationSB set-asideConstruction
Docs at source
Pro feature

Save RFPs and searches, hear the moment a match is posted

Pro ($39/mo) saves any RFP to your pipeline from the list and runs saved searches on every crawl, emailing new matches with summaries. Free members get one daily digest for a category or a state.

Signed in on the free plan? Open the RFP and press Track to keep it.

See Pro

Questions

What is NAICS 221320?

NAICS 221320 is the 2022 NAICS industry code for Sewage Treatment Facilities. The SBA small-business size standard for it is $35M revenue.

Who buys under NAICS 221320?

INTERNATIONAL BOUNDARY AND WATER COMMISSION: US-MEXICO (1 open), INTERIOR, DEPARTMENT OF THE (1 open) and AGRICULTURE, DEPARTMENT OF (1 open) have the most open notices under NAICS 221320 on RFPFinder right now.

Where do NAICS 221320 RFPs get posted?

Federal notices under NAICS 221320 get posted on SAM.gov, and state and local buyers post on their own procurement portals. RFPFinder collects both into this list, soonest deadline first.

Can I get alerts for NAICS 221320 RFPs?

Yes. Pro members ($39/mo) add NAICS codes to their fit profile, and matching notices are badged and alerted. The free daily digest follows one category or one state.

Related NAICS codes