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NAICS 561621 contract opportunities in Oklahoma

Security Systems Services (except Locksmiths)

1 open federal contract opportunity in NAICS 561621 in Oklahoma 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

No deadline listed

Electronic Ramp Gate PM

DEPT OF DEFENSE > DEPT OF THE AIR FORCE · NAICS 561621 · PSC J059

Small Business Set Aside - TotalPresolicitationTinker AFB, OK

View on SAM.gov → · Solicitation FA812526Q0087 · Posted Sep 18, 2026

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

Recent awards

1 contract award in NAICS 561621 in Oklahoma signed in the last 90 days, worth $158,133 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 561621 covers

Installing, monitoring and servicing alarm and security systems. Official title: Security Systems Services (except Locksmiths). It is part of the Administrative and Support and Waste Management and Remediation 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