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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /5616

    NAICS Demand Lane

    Investigation and Security Services, Contract Opportunities

    9,778 total opportunities (9,778 active) tied to NAICS 5616 across federal, state, local, and forecast sources.
    NAICS 5616Federal + SLED9.8K total
    View NAICS definition →
    Total Opportunities
    9.8K
    Across all indexed sources
    Active Estimate
    9.8K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 5616.

    ADMINISTRATIVE OFFICE OF THE U.S. COURTS

    FORENSIC POLYGRAPH SERVICES

    Active

    AI Summary

    The U.S. Probation & Pretrial Services Office for the District of Alaska is soliciting forensic polygraph vendors to provide clinical and maintenance polygraph examinations in Anchorage. These services aim to assess defendants' sexual histories and verify honesty in community supervision. Interested vendors should resp…

    AK

    Posted Oct 9, 2026Due Nov 6, 2026SolicitationNAICS 5616118(a) Sole Source (FAR 19.8)Sol: 097--27-04PO
    View details→

    IRS INTRUSION DETECTION SYSTEM, C. CLIFTON YOUNG FEDERAL BUILDING & US COURTHOUSE

    Active

    AI Summary

    This opportunity involves the installation of an intrusion detection system at the IRS office in Reno, NV. The system will include components such as a control panel, key pads, and motion detectors. Interested bidders should refer to the full solicitation documents for detailed requirements.

    Posted Oct 8, 2026Due Oct 28, 2026Combined Synopsis/SolicitationNAICS 561621Total Small Business Set-Aside (FAR 19.5)Sol: 47PD5526Q0052
    View details→

    DEPARTMENT OF HOMELAND SECURITY

    LEVEL II-ARMED PROTECTIVE SECURITY OFFICERS INDIANA

    Active

    AI Summary

    The Federal Emergency Management Agency (FEMA) is seeking qualified contractors to provide Level II Armed Protective Security Officer services in Indiana. The services are required seven days a week at various locations, including Joint Field Offices and Disaster Recovery Centers. Contractors must be able to rapidly de…

    IL

    Posted Oct 8, 2026Due Oct 14, 2026SolicitationNAICS 561612Total Small Business Set-Aside (FAR 19.5)Sol: 70FBR527Q00000001
    View details→

    DEPT OF DEFENSE

    JUSTIFICATION FOR EXCEPTION TO FAIR OPPORTUNITY - GLOBAL PROTECTIVE SERVICES (GPS) ERBIL, IRAQ

    Archived

    AI Summary

    This opportunity involves a justification for an exception to fair opportunity for immediate contractor-furnished armed guard services in Erbil, Iraq, under the Department of Defense and the Department of the Army. Interested bidders should prepare to respond promptly.

    IL

    Posted Oct 8, 2026JustificationNAICS 561612Sol: W519TC26FA649JEFO
    View details→

    DEPT OF DEFENSE

    N0017327Q5303 - PREVENTATIVE MAINTENANCE FOR SECURITY SYSTEMS IN GUAM

    Archived

    AI Summary

    The Naval Research Laboratory intends to award a sole source purchase order for preventive maintenance and 24x7 on-call support for security systems in Guam. This opportunity is set aside for a specific vendor and falls under FAR Part 13 Simplified Acquisition Procedures. Interested parties may express their capability…

    DC

    Posted Oct 7, 2026Due Oct 9, 2026Special NoticeNAICS 561621Sol: N0017327Q5303
    View details→

    DEPT OF DEFENSE

    ELECTRONIC SECURITY SYSTEMS

    Active

    AI Summary

    The Army Contracting Command is soliciting proposals for maintenance and support services for electronic security systems at Crane Army Ammunition Activity. This is a 100% Small Business Set-Aside under NAICS 561621. Proposals are due by November 6, 2026, and a site visit is required on October 19, 2026.

    IL

    Posted Oct 7, 2026Due Nov 6, 2026Combined Synopsis/SolicitationNAICS 561621Total Small Business Set-Aside (FAR 19.5)Sol: W519TC-27-Q-SEC1
    View details→

    DEPT OF DEFENSE

    INTEGRATED SECURITY SERVICES CONTRACT 5

    Active

    AI Summary

    The Department of Defense is seeking integrated security services, including system support, maintenance, repair, and logistics for security applications at multiple PFPA facilities. This opportunity involves both service and product components, with task orders for hardware and installation. The solicitation is curren…

    VA

    Posted Oct 7, 2026Due Mar 1, 2027SolicitationNAICS 561621Sol: HQ003426RE045
    View details→

    DEPARTMENT OF HOMELAND SECURITY

    BATAVIA DETENTION INFRASTRUCTURE

    Archived

    AI Summary

    The Department of Homeland Security requires a contractor to provide a temporary detention structure for up to 100 detainees, adhering to specific standards and regulations. The contractor will supply all necessary systems, equipment, and support, including medical structures and utilities, ensuring compliance with ICE…

    DC

    Posted Oct 7, 2026JustificationNAICS 561612Sol: 26-0356
    View details→

    DEPT OF DEFENSE

    FIRE ALARM/SUPPRESSION INSPECTION, TESTING, AND MAINTENANCE

    Active

    AI Summary

    The Department of Defense is seeking capable sources for fire alarm, mass notification, and fire suppression system inspection, testing, and maintenance services at various Air Force locations. Interested firms must demonstrate relevant experience and submit detailed responses by 3:00 PM EST on October 22, 2026. This n…

    NY

    Posted Oct 7, 2026Due Oct 22, 2026Sources SoughtNAICS 561621Sol: FA875127Q0999
    View details→

    DEPARTMENT OF HOMELAND SECURITY

    ARMED PROTECTIVE SECURITY SERVICES - IRS CAMPUS IN AUSTIN, TX

    Active

    AI Summary

    The Department of Homeland Security intends to negotiate with Bradley Technologies, Inc. for Armed Protective Security Officer services at the IRS campus in Austin, TX. This presolicitation will extend the existing contract for up to seven months, allowing for a transition period while a follow-on contract is awarded.

    PA

    Posted Oct 7, 2026Due Oct 31, 2026PresolicitationNAICS 561612Sol: FY27-0001
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    6,726
    sled
    2,961
    forecast
    91

    Related NAICS Codes

    • 56, Administrative and Support and Waste Management and Remediation Services→
    • 561, Administrative and Support Services→
    • 5611, Office Administrative Services→
    • 56111, Office Administrative Services→
    • 561110, Office Administrative Services→
    • 5612, Facilities Support Services→
    • 56121, Facilities Support Services→
    • 561210, Facilities Support Services→
    • 5613, Employment Services→
    • 56131, Employment Placement Agencies and Executive Search Services→

    Explore

    • 5616 Definition→
    • Browse NAICS Codes→
    • PSC Contract Lanes→
    • AI Contract Categories→
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    • Browse by State→

    About NAICS 5616

    This industry group comprises establishments primarily engaged in providing investigation, guard, and security services. These services include private investigation, security guard services, armored car services, and security systems services.

    Read the full NAICS definition →