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NAICS 561621 contract opportunities in Indiana

Security Systems Services (except Locksmiths)

2 open federal contract opportunities in NAICS 561621 in Indiana 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 6, 12:00 PM UTC-6in 24 days

Electronic Security Systems

DEPT OF DEFENSE > DEPT OF THE ARMY · NAICS 561621 · PSC J063

Small Business Set Aside - TotalCombined Synopsis/SolicitationCrane, IN

View on SAM.gov → · Solicitation W519TC-27-Q-SEC1 · Posted Oct 7, 2026

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

Recent awards

No awards in NAICS 561621 in Indiana signed in the last 90 days.

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