Bidstage

Tenders / NAICS 541

Open tenders: Professional, Scientific, and Technical Services

1,491 open tenders classified under NAICS 541 (subsector) right now.

Updated . Newest notice published .

Recently published

  • Sizing Technology Pilot

    • DEPT OF DEFENSE / DEPT OF THE ARMY / W6QK ACC-APG
    • United States
    • Deadline 23 Oct 2026
    • SAM.gov (US federal)

  • GPR Survey

    • AGRICULTURE, DEPARTMENT OF / FOREST SERVICE / USDA-FS, CSA SOUTHWEST 5
    • United States
    • Deadline 28 Oct 2026
    • SAM.gov (US federal)

  • DA01--FY 27 NYH ISCV DATA RECOVERY SERVICES - 1 YEAR ONLY

    • VETERANS AFFAIRS, DEPARTMENT OF / 242-NETWORK CONTRACT OFFICE 02 (36C242)
    • United States
    • Deadline 23 Oct 2026
    • SAM.gov (US federal)

  • C1DA-- AE Replace Elevators 539-24-102

    • VETERANS AFFAIRS, DEPARTMENT OF / 250-NETWORK CONTRACT OFFICE 10 (36C250)
    • United States
    • Deadline 2 Nov 2026
    • SAM.gov (US federal)

  • Space Environment Technologies and Science (SETS) Broad Agency Announcement (BAA) Call 004

    • DEPT OF DEFENSE / DEPT OF THE AIR FORCE / FA9453 AFRL RVK
    • United States
    • Deadline 5 Nov 2026
    • SAM.gov (US federal)

  • SAF/SA Campaign Analysis Support

    • DEPT OF DEFENSE / DEPT OF THE AIR FORCE / FA7014 AFDW PK
    • United States
    • Deadline 16 Nov 2026
    • SAM.gov (US federal)

  • Q--AMPLICON SEQUENCING SERVICES

    • INTERIOR, DEPARTMENT OF THE / US GEOLOGICAL SURVEY / OFC OF ACQUISITION GRANTS-DENVER
    • United States
    • Deadline 23 Oct 2026
    • SAM.gov (US federal)

  • System Vicarious Calibration (SVC) of the NASA Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) Ocean Color Instrument (OCI) Using HyperNAV

    • NATIONAL AERONAUTICS AND SPACE ADMINISTRATION / NASA HEADQUARTERS
    • United States
    • Deadline 3 Nov 2026
    • SAM.gov (US federal)

  • Chemical Nutrient Analysis Service for Combat Feeding Division (CFD)

    • DEPT OF DEFENSE / DEPT OF THE ARMY / W6QK ACC-APG NATICK
    • United States
    • Deadline 29 Oct 2026
    • SAM.gov (US federal)

  • 711th HPW Mission Support Services MAC IDIQ

    • DEPT OF DEFENSE / DEPT OF THE AIR FORCE / FA2396 USAF AFMC AFRL PZL AFRL PZLE
    • United States
    • Deadline 30 Oct 2026
    • SAM.gov (US federal)

  • Weapons Effects Solicitation

    • DEPT OF DEFENSE / DEPT OF THE NAVY / NSWC CARDEROCK
    • United States
    • Deadline 24 Nov 2026
    • SAM.gov (US federal)

  • Marine Corps Cyberspace Environment (MCCE) Operational Support Services (OSS) and Enterprise Artificial Intelligence (AI) Integration

    • DEPT OF DEFENSE / DEPT OF THE NAVY / COMMANDER
    • United States
    • Deadline 3 Nov 2026
    • SAM.gov (US federal)

  • Intrinsic Market Resilience (IMR)

    • DEPT OF DEFENSE / DEFENSE ADVANCED RESEARCH PROJECTS AGENCY (DARPA) / DEF ADVANCED RESEARCH PROJECTS AGCY
    • United States
    • Deadline 7 Dec 2026
    • SAM.gov (US federal)

  • U.S. Coast Guard (USCG) NATIONWIDE ENVIRONMENTAL ENGINEERING SERVICES MULTIPLE AWARD IDIQ

    • HOMELAND SECURITY, DEPARTMENT OF / US COAST GUARD / CEU CLEVELAND
    • United States
    • Deadline 16 Nov 2026
    • SAM.gov (US federal)

  • DHS NATIONWIDE ENVIRONMENTAL ENGINEERING SERVICES MULTIPLE AWARD IDIQ

    • HOMELAND SECURITY, DEPARTMENT OF / US COAST GUARD / CEU CLEVELAND
    • United States
    • Deadline 16 Nov 2026
    • SAM.gov (US federal)

  • CJD National Pollutant Discharge Elimination System (NPDES) Laboratory Services - Base plus 4 Option Years

    • DEPT OF DEFENSE / DEPT OF THE ARMY / W071 ENDIST SEATTLE
    • United States
    • Deadline 21 Oct 2026
    • SAM.gov (US federal)

  • USDA Forest Service Cultural Resource Evaluation and Documentation

    • AGRICULTURE, DEPARTMENT OF / FOREST SERVICE / USDA-FS, CSA INTERMOUNTAIN 2
    • United States
    • Deadline 27 Oct 2026
    • SAM.gov (US federal)

  • Call 03 M-DASH - Joint All Domain Persistent Adaptive Collaborative Technologies II (JADPACT II)

    • DEPT OF DEFENSE / DEPT OF THE AIR FORCE / FA2384 USAF AFMC AFRL PZL AFRL RAKH
    • United States
    • Deadline 21 Oct 2026
    • SAM.gov (US federal)

  • NOTICE OF INTENT TO ISSUE A SOLE SOURCE AWARD on a sole-source basis to New Gnosis, Inc., Ashburn, Virginia for a two-day supervisory development workshop supporting Naval Supply Systems Command Weapon Systems Support, N52 Foreign Military Sales.

    • DEPT OF DEFENSE / DEPT OF THE NAVY / NAVSUP FLT LOG CTR NORFOLK
    • United States
    • Deadline 21 Oct 2026
    • SAM.gov (US federal)

  • RFI for Social Security Television (SSTV) Network

    • SOCIAL SECURITY ADMINISTRATION / SSA OFC OF ACQUISITION GRANTS
    • United States
    • Deadline 22 Oct 2026
    • SAM.gov (US federal)

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Sources and attribution.

1,491 Open Professional and Scientific Tenders | Bidstage