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NAICS 541990 contract opportunities in California

All Other Professional, Scientific, and Technical Services

1 open federal contract opportunity in NAICS 541990 in California 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 30, 2:00 PM UTC-5in 16 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

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

Recent awards

15 contract awards in NAICS 541990 in California signed in the last 90 days, worth $20.3M 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.

Other states

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

Related codes