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NAICS 221320 contract opportunities

7 open federal contract opportunities in NAICS 221320 right now, soonest deadline first: solicitations, presolicitations and sources-sought notices still taking responses. Each one links to the notice on SAM.gov.

Open solicitations

Nov 23, 3:00 PM UTC+0in 40 days

Waste Water Treatment Plant Services

DEPT OF DEFENSE > DEPT OF THE AIR FORCE · NAICS 221320 · PSC M1ND

No Set aside usedCombined Synopsis/SolicitationPraia da Vitoria, PT-20

View on SAM.gov → · Solicitation FA448627Q0002 · Posted Oct 12, 2026

Nov 19, 2:00 PM UTC-5in 768 days

Lagoon Aeration

AGRICULTURE, DEPARTMENT OF > FOREST SERVICE · NAICS 221320 · PSC H146

Small Business Set Aside - TotalPresolicitationMammoth Cave, KY

View on SAM.gov → · Solicitation 1141206 · Posted Nov 6, 2024

Filter these in the open solicitations feed. Deadlines are shown in the notice's own time zone.

Recent awards

3 contract awards in NAICS 221320 signed in the last 90 days, worth $7.2M in total. See who won them.

From USAspending.gov and SAM.gov award notices. USAspending publishes Defense awards about 90 days after signing.

What NAICS 221320 covers

It is part of the Utilities sector.

Every federal solicitation names one NAICS code for the work. The code's small-business size standard decides who counts as small for that bid, and your SAM.gov registration lists the codes your company works in.

Open bids by state

By place of performance; notices that name none count under the contracting office's state.

Related codes