Record Flag

NAICS 541990 contract opportunities

All Other Professional, Scientific, and Technical Services

27 open federal contract opportunities in NAICS 541990 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

Oct 15, 1:00 PM UTC-5in 2 days

EchoMark Email License

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION · NAICS 541990 · PSC DE10

Small Business Set Aside - TotalCombined Synopsis/SolicitationHouston, TX

View on SAM.gov → · Solicitation 80NSSC26973981Q · Posted Oct 8, 2026

Oct 26, 10:00 AM UTC-4in 12 days

Biometric Identity Services

HOMELAND SECURITY, DEPARTMENT OF > OFFICE OF PROCUREMENT OPERATIONS · NAICS 541990

No Set aside usedSources SoughtDC · office location

View on SAM.gov → · Solicitation RUIM-26-00043 · Posted Oct 8, 2026

Oct 30, 2:00 PM UTC-5in 17 days

Vandenberg SFB Tank Inspection

DEPT OF DEFENSE > DEPT OF THE ARMY · NAICS 541990 · PSC Z1GC

Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)Combined Synopsis/SolicitationCA

View on SAM.gov → · Solicitation W9128F27QA002 · Posted Oct 8, 2026

Showing the 25 with the soonest deadlines. See all 27 in the open solicitations feed. Deadlines are shown in the notice's own time zone.

Recent awards

132 contract awards in NAICS 541990 signed in the last 90 days, worth $459.8M 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 541990 covers

Professional services not listed elsewhere. Official title: All Other Professional, Scientific, and Technical Services. It is part of the Professional, Scientific, and Technical Services 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