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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /561

    NAICS Demand Lane

    Administrative and Support Services, Contract Opportunities

    46,199 total opportunities (46,199 active) tied to NAICS 561 across federal, state, local, and forecast sources.
    NAICS 561Federal + SLED46.2K total
    View NAICS definition →
    Total Opportunities
    46.2K
    Across all indexed sources
    Active Estimate
    46.2K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 561.

    DEPARTMENT OF HOMELAND SECURITY

    AMEND #0001 (11/25/2026) TO ADD OMITTED DOCS: 02.1.1 SOL_70FBR427R00000001 & 2.2.1 PROPOSAL ATT 10 EVALUATION FACTORS. QUESTIONS DUE DATE CHANGED TO 10/29/2026. PROPOSALS DUE 11/04/2026. ALL OTHER TERMS, CONDITIONS, & INSTRUCTIONS REMAIN UNCHANGED.

    Active

    AI Summary

    FEMA is soliciting proposals for labor-hour Level II armed guard security services supporting its Long Term Recovery Office in Lake Mary and Fort Myers, Florida, for Region 4 disaster DR4834. Amendment 0001 adds omitted solicitation and evaluation-factor documents and changes the question and proposal deadlines to Octo…

    GA

    Posted Oct 25, 2026Due Nov 2, 2026SolicitationNAICS 561612Total Small Business Set-Aside (FAR 19.5)Sol: 70FBR427R00000001
    View details→

    DEPT OF DEFENSE

    146 DFAC JANITORIAL SERVICE

    Active

    AI Summary

    The California Air National Guard seeks interest in a planned small-business procurement for janitorial services at the 146th Airlift Wing dining facility in Port Hueneme. Work includes providing staff, equipment, supplies, and quality control for 22 operating days annually, generally during monthly drill weekends. The…

    CA

    Posted Oct 24, 2026Due Nov 7, 2026PresolicitationNAICS 561720Sol: W50S7527QX001
    View details→

    DEPT OF DEFENSE

    ANGKOR SENTINEL 27 BASE LIFE SUPPORT FACILITY REHAB SERVICES

    Active

    AI Summary

    The Army is soliciting services to rehabilitate the Angkor Sentinel 27 base life support facility. The solicitation references an attached Performance Work Statement and pricing sheet. Questions are due by November 6, 2026, at 1:00 p.m. Hawaii Standard Time, and submissions are due by November 20, 2026, at the same tim…

    HI

    Posted Oct 24, 2026Due Nov 20, 2026Combined Synopsis/SolicitationNAICS 561210No Set aside usedSol: W91QVP-26-AS27-BLS
    View details→

    DEPARTMENT OF TRANSPORTATION

    ZAB WEED CONTROL AND GROUNDSKEEPING SERVICES

    Active

    AI Summary

    The FAA is conducting market research for grounds maintenance services at Albuquerque ARTCC in Albuquerque, New Mexico. Work focuses on weed control and groundskeeping; the statement of work and photos are attached. Interested vendors are asked to email the listed FAA contacts with a capability statement and company co…

    TX

    Posted Oct 23, 2026Due Nov 1, 2026Sources SoughtNAICS 561730Sol: 697DCK-27-R-00031
    View details→

    DEPT OF DEFENSE

    JANITORIAL SERVICES, DEQUEEN PROJECT OFFICE

    Active

    AI Summary

    The Department of the Army is soliciting non-personal janitorial services for the DeQueen Project Office. The contractor will be responsible for managing and supervising its personnel; the Government will not directly supervise service providers. The opportunity is set aside for small businesses, with responses due Nov…

    AR

    Posted Oct 23, 2026Due Nov 4, 2026Combined Synopsis/SolicitationNAICS 561720Total Small Business Set-Aside (FAR 19.5)Sol: W9127S27QA004
    View details→

    DEPT OF DEFENSE

    REQUEST FOR INFORMATION - DCSA PERSONNEL VETTING (PV) FIELDWORK SERVICES REQUIREMENT

    Active

    AI Summary

    DCSA is seeking industry feedback on its Personnel Vetting Fieldwork Services requirement. The notice includes draft acquisition strategy, performance work statement, technical exhibits, ordering guide, and workload frameworks for two tracks. This is market research only; interested sources should review the RFI and at…

    VA

    Posted Oct 23, 2026Due Nov 4, 2026Sources SoughtNAICS 561611Sol: RFIPVField2027
    View details→

    DEPT OF DEFENSE

    BULLET TRAPS OPERATION AND MAINTENANCE/LEAD CLEANING FOR BREACH AND SHOOTING HOUSES

    Active

    AI Summary

    The Department of the Navy is conducting market research for operation and maintenance of bullet traps and lead cleaning at breach and shooting houses. This is a sources sought notice only, not a solicitation; responses will help determine whether the forthcoming request for proposals should be set aside for small busi…

    VA

    Posted Oct 23, 2026Due Nov 10, 2026Sources SoughtNAICS 561210Total Small Business Set-Aside (FAR 19.5)Sol: N4008527R0025
    View details→

    ENVIRONMENTAL PROTECTION AGENCY

    R10 LAB: REGION 10 MANCHESTER LABORATORY FACILITY

    Active

    AI Summary

    The Environmental Protection Agency is soliciting Region 10 Manchester Laboratory facility operation and maintenance services. The opportunity is set aside for service-disabled veteran-owned small businesses and is associated with NAICS 561210. The solicitation closes November 23, 2026.

    KS

    Posted Oct 23, 2026Due Nov 23, 2026SolicitationNAICS 561210Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)Sol: 68HE0726R0038
    View details→

    S--AMARILLO FIELD OFFICE JANITORIAL SERVICES

    Active

    AI Summary

    The agency is conducting market research for janitorial services at the Amarillo Field Office. The notice is a sources sought announcement with an SBA set-aside designation and a response deadline of October 28, 2026. It seeks information from potential vendors and is not, by itself, a solicitation or contract award.

    Posted Oct 23, 2026Due Oct 28, 2026Sources SoughtNAICS 561720Total Small Business Set-Aside (FAR 19.5)Sol: 140LL027Q0008
    View details→

    DEPARTMENT OF AGRICULTURE

    SOUTHERN RESEARCH STATION - BENT CREEK JANITORIAL SERVICES

    Active

    AI Summary

    The Forest Service is requesting quotations for janitorial services at the Bent Creek Experimental Forest, located at 1577 Brevard Road in Asheville, North Carolina. This is a total small-business set-aside under NAICS 561720. A site visit is scheduled for October 23, 2026, and quotations are due October 26, 2026. Amen…

    OR

    Posted Oct 23, 2026Due Oct 26, 2026Combined Synopsis/SolicitationNAICS 561720Total Small Business Set-Aside (FAR 19.5)Sol: 1240BE27Q0006
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    28,872
    sled
    16,808
    forecast
    519

    Related NAICS Codes

    • 56, Administrative and Support and Waste Management and Remediation 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→
    • 561311, Employment Placement Agencies→

    Explore

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

    About NAICS 561

    The Administrative and Support Services sector comprises establishments that perform routine support activities for the day-to-day operations of other organizations. These services include office administration, hiring and placing of personnel, security services, cleaning, and waste disposal services.

    Read the full NAICS definition →