All Other Professional, Scientific, and Technical Services contracts: federal opportunities in NAICS 541990

33 notices currently open, the ones InstantSam has read first, then by how soon they close. None of them has had its attachments read yet. Every row opens the notice in the app, where InstantSam reads up to fifteen of its attachments as one of your 3 free reviews. 7 are sources sought notices, marked below: not yet a solicitation, but the chance to shape one.

• Water Resources Analytical and Professional Support Services - Multiple Award Task Order Contract (MATOC)

  Sources soughtCloses today

  DEPT OF DEFENSE · Due November 6, 2026 at 4:30 PM EST

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• U.S. Embassy Mexico—International Narcotics & Law Enforcement Affairs (INL Mexico) CONOCER Criminal Analyst Certification Services

  Closes today

  STATE, DEPARTMENT OF · Due November 6, 2026 at 6:00 PM EST

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• TRAINING INSTRUCTOR OPERATOR SERVICES SUPPORT II

  3 days left

  DEPT OF DEFENSE · FL · Total small business · Due November 9, 2026 at 9:00 AM EST

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• FIRE FIGHTING EQUIPMENT INSPECTIONS

  4 days left

  DEPT OF DEFENSE · Virginia Beach, VA · No set-aside · Due November 10, 2026 at 10:00 AM EST

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• National Guard Bureau (NGB) Centralized Clinical Quality Management (CQM) and Credentialing & Privileging (C&P) Services for the Air National Guard (ANG)

  Sources sought5 days left

  DEPT OF DEFENSE · Andrews Air Force Base, MD · No set-aside · Due November 11, 2026 at 5:00 PM EST

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• Cleaning, Inspection, and Hazardous Waste Removal for Two 10,000-Gallon Oil/Water Separators

  6 days left

  DEPT OF DEFENSE · Minneapolis, MN · Total small business · Due November 12, 2026 at 1:00 PM EST

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• Artifact Conservation Project Coordinator

  6 days left

  NATIONAL ARCHIVES AND RECORDS ADMINISTRATION · College Park, MD · Total small business · Due November 12, 2026 at 2:00 PM EST

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• SMART IRB Governance, Administration, and Operations Support (GAOS)

  7 days left

  HEALTH AND HUMAN SERVICES, DEPARTMENT OF · MD · Due November 13, 2026 at 12:00 PM EST

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• Quality Assurance Services - Civil Works, Interagency and International Services (IIS), and Military Construction Projects in Puerto Rico and U.S. Virgin Islands

  7 days left

  DEPT OF DEFENSE · Total small business · Due November 13, 2026 at 1:30 PM EST

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• U.S. Army Geospatial Center (AGC) Three-Dimensional High Speed-High Altitude Mapping Operations and Technology Integration (3DH2-M OTI) Single Award Task Order Contract (SATOC) Indefinite Delivery / Indefinite Quantity (ID/IQ) and Initial Task Order

  7 days left

  DEPT OF DEFENSE · Due November 13, 2026 at 2:00 PM EST

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• Fort Campbell, KY - API 653 External Tank Inspection

  7 days left

  DEPT OF DEFENSE · Service-disabled veteran-owned · Due November 13, 2026 at 3:00 PM EST

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• ENVIRONMENTAL MODELING AND SIMULATION SUPPORT V (EMSS-V)

  Sources sought7 days left

  DEPT OF DEFENSE · Patrick Air Force Base, FL · Due November 13, 2026 at 11:59 PM EST

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• NIH Scientific & Technical Expertise & Acquisition Management (STEAM)

  Sources sought9 days left

  HEALTH AND HUMAN SERVICES, DEPARTMENT OF · Bethesda, MD · Partial small business · Due November 15, 2026 at 11:59 PM EST

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• VENDOR OPPORTUNITY - DLA HQ Holiday Social Event

  12 days left

  DEPT OF DEFENSE · Fort Belvoir, VA · No set-aside · Due November 18, 2026 at 4:00 PM EST

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• U.S. Navy and Royal Australian Air Force (RAAF) MQ-4C Triton Unmanned Aircraft System (UAS) Sustaining Engineering and Support (SES) V Contract

  Sources sought14 days left

  DEPT OF DEFENSE · San Diego, CA · No set-aside · Due November 20, 2026 at 5:00 PM EST

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• FDA Scientific & Regulatory Support Services(SRS)

  Sources sought17 days left

  HEALTH AND HUMAN SERVICES, DEPARTMENT OF · Silver Spring, MD · Total small business · Due November 23, 2026 at 2:00 PM EST

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• Marine Resource Technical Services Throughout the Naval Facilities Engineering Systems Command (NAVFAC) Pacific Area of Responsibility

  17 days left

  DEPT OF DEFENSE · Partial small business · Due November 23, 2026 at 7:00 PM EST

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• Vandenberg SFB Tank Inspection

  21 days left

  DEPT OF DEFENSE · Service-disabled veteran-owned · Due November 27, 2026 at 3:00 PM EST

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• Morgantown Office Insect Taxonomic Support

  27 days left

  AGRICULTURE, DEPARTMENT OF · WV · No set-aside · Due December 3, 2026 at 5:00 PM EST

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• University Health and Safety Research for the Mining Industry

  66 days left

  HEALTH AND HUMAN SERVICES, DEPARTMENT OF · Reno, NV · No set-aside · Due January 11, 2027 at 3:00 PM EST

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• Advances in Contemporary Mining Safety and Health Challenges for Critical Minerals

  66 days left

  HEALTH AND HUMAN SERVICES, DEPARTMENT OF · Reno, NV · No set-aside · Due January 11, 2027 at 3:00 PM EST

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• One Acquisition Solution for Integrated Services Plus (OASIS+) Unrestricted Continuously Open Solicitation

  66 days left

  GENERAL SERVICES ADMINISTRATION · No set-aside · Due January 11, 2027 at 4:00 PM EST

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• One Acquisition Solution for Integrated Services Plus (OASIS+) 8(a) Small Business Set-Aside Continuously Open Solicitation

  66 days left

  GENERAL SERVICES ADMINISTRATION · 8(a) · Due January 11, 2027 at 4:00 PM EST

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• One Acquisition Solution for Integrated Services Plus (OASIS+) Historically Underutilized Business Zone (HUBZone) Small Business Set-Aside Continuously Open Solicitation

  66 days left

  GENERAL SERVICES ADMINISTRATION · HUBZone · Due January 11, 2027 at 4:00 PM EST

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• One Acquisition Solution for Integrated Services Plus (OASIS+) Total Small Business Set-Aside Continuously Open

  66 days left

  GENERAL SERVICES ADMINISTRATION · Total small business · Due January 11, 2027 at 4:00 PM EST

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• One Acquisition Solution for Integrated Services Plus (OASIS+) Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside Continuously Open Solicitation

  66 days left

  GENERAL SERVICES ADMINISTRATION · Service-disabled veteran-owned · Due January 11, 2027 at 4:00 PM EST

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• One Acquisition Solution for Integrated Services Plus (OASIS+) Women-Owned Small Business (WOSB) Set-Aside Continuously Open Solicitation

  66 days left

  GENERAL SERVICES ADMINISTRATION · Women-owned · Due January 11, 2027 at 4:00 PM EST

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• NASA Deep Space Autonomous Robotics Challenge: Call for Host Facility Interest

  Sources sought86 days left

  NATIONAL AERONAUTICS AND SPACE ADMINISTRATION · Washington, DC · Due January 31, 2027 at 5:00 PM EST

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• Broad Agency Announcement - Development and Demonstration of Mine Safety and Health Technology

  94 days left

  HEALTH AND HUMAN SERVICES, DEPARTMENT OF · NV · No set-aside · Due February 8, 2027 at 3:00 PM EST

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• SAF/CDM Commercial Solutions Opening and Specific Calls

  328 days left

  DEPT OF DEFENSE · Due September 30, 2027 at 11:59 PM EDT

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• FY2027 USPS OIG Broad Agency Announcement

  328 days left

  POSTAL SERVICE · No set-aside · Due September 30, 2027 at 11:59 PM EDT

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• Golden Dome for America Commercial Solutions Opening

  1607 days left

  DEPT OF DEFENSE · No set-aside · Due April 1, 2031 at 11:59 PM EDT

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• Multiple Award Schedule

  1790 days left

  GENERAL SERVICES ADMINISTRATION · PHILADELPHIA · Due October 1, 2031 at 12:12 PM EDT

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Sourced from SAM.gov, which InstantSam reads every hour, and counted November 6, 2026 at 2:24 PM EST. Always confirm details against the official notice before you bid. How this compares to SAM.gov.