U.S. GOVERNMENT CONTRACT OPPORTUNITIES
Browse U.S. federal contracts, bids and tenders
Search U.S. government contracts, federal bids and tenders from SAM.gov public data at no charge. Filter by buyer, NAICS or PSC, location, set-aside and deadline, or get free bid and tender alerts for new matches. Open each notice to review the details, and verify the official SAM.gov record before bidding.
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Recently posted federal contract opportunities
Showing 60 of 167 matching opportunities on page 1 of 3.
V-Band Cross-Link Space Relay Mesh Network Demonstration (V-Band)
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION · 80GRC027R0002 · NAICS 541715 · PSC AR12
Prototype development for Battlefield Wound Infection Prevention and Treatment (BWI P&T) Barrier Combination
DEPT OF DEFENSE · HT9427-26-R-E020 · NAICS 541715 · PSC AN13
Preclinical Medications Discovery and Abuse Liability Testing for NIDA
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N95022C00004 · NAICS 541715 · PSC AN11
Unison
DEPT OF DEFENSE · DARPA-PS-27-06 · NAICS 541715 · PSC AC13
DHS SMALL BUSINESS INNOVATION RESEARCH (SBIR) PROGRAM FY27 PRE-SOLICITATION
HOMELAND SECURITY, DEPARTMENT OF · DHSSBIRFY27PRE · NAICS 541715 · PSC AJ11
GPS Ground Segment Monitor Station Service (MSS)
DEPT OF DEFENSE · SSC-GCS-MSS-SSN-2026-2 · NAICS 541715 · PSC 1677
Cloud-Based Command and Control Plus (CBC2+) Voice Communications Request for Information (RFI)
DEPT OF DEFENSE · FA861227RB003 · NAICS 541715 · PSC AC13
Request for Proposal (RFP) - Resilient Missile Warning Tracking (RMWT) Low Earth Orbit (LEO) Ground Entry Points (GEPs)
DEPT OF DEFENSE · FA240126R0003 · NAICS 541715 · PSC AC13
Research, Development, Test & Evaluation (RDT&E) Support for the Center for Corrosion Science and Engineering (CCSE)
DEPT OF DEFENSE · N0017326RGF02 · NAICS 541715 · PSC AC11
GPS Ground Segment Monitor Station Service (MSS)
DEPT OF DEFENSE · SSC-GCS-MSS-SSN-2026 · NAICS 541715 · PSC 1677
NextSTEP-3 Appendix B: Moon Base Demonstrations
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION · M2M-MSFC-0001 · NAICS 541715 · PSC AR12
Protein Palace
DEPT OF DEFENSE · DARPA-PA-27-02 · NAICS 541715 · PSC AC12
Area of Interest: OSW Cost Assessment and Program Evaluation (CAPE) Modeling and Simulation
DEPT OF DEFENSE · HQ003427AOI5 · NAICS 541715 · PSC AC32
SAFE-PLASMA Protocol
DEPT OF DEFENSE · HT9427-27-SSN-701 · NAICS 541715
Request for Information: Multi-Source PNT UE
DEPT OF DEFENSE · MultiSourcePNT_RFI_01 · NAICS 541715 · PSC AC12
Space Data Network (SDN) Industry Consortium for Space-to-Space Communications
DEPT OF DEFENSE · SDN-CONSORT-27-01 · NAICS 541715 · PSC AC12
NRL VXS-1 Aircraft Maintenance IDIQ
DEPT OF DEFENSE · N0017327RBZ01 · NAICS 541715 · PSC AJ12
A--NIMHD Randomized Controlled Trial
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N94027R00004 · NAICS 541715 · PSC AN12
NIMHD Division of Intramural Research Population Health and Clinical Research � Small Business Sources Sought
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N94027R00005 · NAICS 541715
SYSTEM DELTA 84 (SYD 84/MT) MEDIUM EARTH ORBIT MISSILE WARNING / MISSILE TRACKING EPOCH 3 and EPOCH 4, REQUEST FOR INFORMATION (RFI)
DEPT OF DEFENSE · FA8810-RFI-26-SYD84-E3E4 · NAICS 541715
Notice of Intent To Award Sole Source WHOI REMUS Support
DEPT OF DEFENSE · N6660427RB700 · NAICS 541715 · PSC AC33
Space Electronic Systems Prototype Development
DEPT OF DEFENSE · N0017327R0001 · NAICS 541715 · PSC AR13
BEamspace Analog processing for Multi-functional Enhanced RF Systems (BEAMERS)
DEPT OF DEFENSE · DARPA-PS-27-05 · NAICS 541715 · PSC AC13
UAS BROAD AGENCY ANNOUNCEMENT Solicitation Number: 697DCK-25-R-00278 Call 002-2027
TRANSPORTATION, DEPARTMENT OF · 697DCK-25-R-00278 · NAICS 541715 · PSC AS12
Aviation and Missile R&D BAA
DEPT OF DEFENSE · W911W625R0006 · NAICS 541715 · PSC AC12
Venous Thrombosis (VT)
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION · 80JSC026Q0014 · NAICS 541715 · PSC AN22
Polar Rover for Observation, Mapping, and In-Situ Exploration (PROMISE) Mission
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION · 2027_PROMISE · NAICS 541715 · PSC AR12
Systems for Phenotypic Evaluation, Clinical Trajectories, Response, and Agency (SPECTRA)
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · ARPA-H-SOL-26-163 · NAICS 541715 · PSC AN13
Exploratory Advanced Research (EAR) Program FY 2027 Data Science Solicitation
TRANSPORTATION, DEPARTMENT OF · 693JJ3-27-BAA-0002 · NAICS 541715 · PSC AS12
Airlift Efficiency Commercial Solutions Opening (CSO) - Amendment 01
DEPT OF DEFENSE · FA4452-25-S-C001 · NAICS 541715 · PSC AC33
EmbraceHEALTH Clinical Research Network (EmbraceHEALTH CRN) - Coordinating Center
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N94027R00003 · NAICS 541715 · PSC AN12
ERDC Watercraft and Ship Simulator Support Services Multiple Award Task Order Contract
DEPT OF DEFENSE · W912HZ27RA001 · NAICS 541715 · PSC R425
Strategic Environmental Research and Development Program Core Broad Agency Announcement
DEPT OF DEFENSE · W912HQ27S0001 · NAICS 541715 · PSC AJ11
Strategic Environmental Research and Development Program (SERDP) Exploratory Development (SEED) Broad Agency Announcement
DEPT OF DEFENSE · W912HQ27S0002 · NAICS 541715 · PSC AJ11
EmbraceHEALTH Clinical Research Network (EmbraceHEALTH CRN)
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N94027R00002 · NAICS 541715 · PSC AN12
2027 NIAID DMID Omnibus Broad Agency Announcement: Development of Medical Interventions for Infectious Diseases
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · HHS-NIH-NIAID-BAA2026-1 · NAICS 541715 · PSC AN12
Mission System R and D Support for Blossom Point Tracking Facility (BPTF)
DEPT OF DEFENSE · N0017327R0002 · NAICS 541715 · PSC AJ15
Building America Subject Matter Expert Technical Support
ENERGY, DEPARTMENT OF · RFP-2026-10245() · NAICS 541715 · PSC AG41
EMU Electric Modernization Upgrade
DEPT OF DEFENSE · BAA-N6893625S0001-0001 · NAICS 541715 · PSC AC13
Best Pharmaceuticals for Children Act Data Coordination Center
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N94026R00008 · NAICS 541715 · PSC AN12
NSEETS Contract Ceiling Increase for Continued NASA Support
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION · 80GSFC19D0011-Synposis · NAICS 541715 · PSC AR12
Mathematical Algorithm Development and Computational Analysis in Support of MDA Flight Test Support
DEPT OF DEFENSE · MDA26ABRFI01 · NAICS 541715
Office of Hazardous Materials Safety Research Initiative � FY2026 BROAD AGENCY ANNOUNCEMENT (BAA)
TRANSPORTATION, DEPARTMENT OF · PHMSA-26HM-BAA · NAICS 541715 · PSC AJ12
Missile Defense Agency - Nimble Options for Buying Layered Effects (NOBLE) Announcement
DEPT OF DEFENSE · HQ0860-25-S-0001 · NAICS 541715 · PSC AC13
Synthesis and Distribution of Drugs of Abuse and Related Compounds
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N98027R00006OT · NAICS 541715 · PSC AN11
Synthesis and Distribution of Drugs of Abuse and Related Compounds
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N98027R00006SB · NAICS 541715 · PSC AN11
Hubble Space Telescope (HST) Servicing
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION · 80GSFC27RFIHSTS · NAICS 541715
Bolstering Underutilized Industry by Leveraging Technology Transfer (BUILTT) pilot program
ENERGY, DEPARTMENT OF · 10292026-LR-27 · NAICS 541715
Space Power and Reactor Capabilities (SPARC) - Presolicitation Synopsis
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION · 80GRC026R0009_PS · NAICS 541715 · PSC AR15
Sole Source to L3Harris ForceX, Inc | VAMPIRE Spares
DEPT OF DEFENSE · SPRRA2-27-R-SP05 · NAICS 541715 · PSC 1440
Atomically Precise Molecules (APM)
DEPT OF DEFENSE · DARPA-PS-26-141 · NAICS 541715 · PSC AC12
Pioneering Aerospace Capabilities, Engineering and Research
DEPT OF DEFENSE · FA2391-23-S-2403 · NAICS 541715 · PSC AC12
HYDROSPHERE, BIOSPHERE, & GEOPHYSICS (HBG) SUPPORT SERVICES II - FINAL REQUEST FOR PROPOSAL (FRFP)
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION · 80GSFC27R0015 · NAICS 541715 · PSC AJ11
Commercial Solutions Opening (CSO) for Space Domain Awareness (SDA) Solutions.
DEPT OF DEFENSE · FA2518-25-S-C001 · NAICS 541715 · PSC AR12
Solid-State Energy Conversion from Heat to Electricity Request for Information (RFI)
DEPT OF DEFENSE · DARPA-SS-27-01 · NAICS 541715 · PSC AC11
Young Faculty Award (YFA) 2027
DEPT OF DEFENSE · DARPARA2701 · NAICS 541715 · PSC AC11
BAA DEVCOM AC Emerging Technologies
DEPT OF DEFENSE · W15QKN-26-S-1AZR · NAICS 541715 · PSC AC12
NGA - Boosting Innovative GEOINT - Science & Technology Broad Agency Announcement (BIG-ST BAA): Topic # 07 � Lidar Analysis for Surface & Environmental Reconnaissance (LASER)
DEPT OF DEFENSE · HM047627XXXX · NAICS 541715 · PSC AC13
ITS4US Deployment Accelerator
TRANSPORTATION, DEPARTMENT OF · 693JJ3-27-BAA-0001 · NAICS 541715 · PSC AS13
ARMY APPLICATIONS LABORATORY BROAD AGENCY ANNOUNCEMENT FOR DISRUPTIVE TECHNOLOGIES
DEPT OF DEFENSE · W911NF-24-S-0008 · NAICS 541715 · PSC AJ13
How to find U.S. government contracts
Start with the work your company already performs. Combine service keywords with NAICS and PSC classifications, then check the federal agency, place of performance, notice type, set-aside status and response deadline. A relevant code can improve discovery, but it is not proof that the scope, qualifications or contract terms fit your business.
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What are U.S. government tenders?
Businesses looking for tenders in America can use this directory to find U.S. federal procurement notices. SAM.gov calls these contract opportunities; a solicitation may request proposals (RFP), quotes (RFQ) or sealed bids (IFB). Read the notice type before preparing a response, because market-research notices and requests for priced offers require different actions. This directory covers federal SAM.gov notices; state and local authorities publish their own procurement opportunities.
What counts as a federal contract opportunity?
SAM.gov publishes procurement notices from federal contracting offices. Depending on the acquisition stage, these can include sources sought notices, presolicitations, solicitations and combined synopsis/solicitation notices. The notice type helps explain where the procurement is in its lifecycle, but the official notice and amendments determine what action a vendor should take.