U.S. GOVERNMENT CONTRACT OPPORTUNITIES

Browse U.S. federal contracts, bids and tenders — page 3

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.

8,047curated current opportunities37active federal buyersNov 15, 2026public-data refresh

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Recently posted federal contract opportunities

Showing 60 of 218 matching opportunities on page 3 of 4.

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Combined Synopsis/Solicitation

COMPETITIVE COMBINED SYNOPSIS/SOLICITATION (Brand

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N98027Q00064 · NAICS 334516 · PSC 6640

MarylandPosted Nov 4, 2026Due Dec 14, 2026
Solicitation

NIH MULTIPLE-AWARD CONSTRUCTION CONTRACT (MACC) FOR GENERAL CONSTRUCTION SERVICES

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N99027R00002 · NAICS 236220 · PSC Y1JZ

MarylandPosted Nov 4, 2026Due Dec 15, 2026
Combined Synopsis/Solicitation

Service Agreement

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · PCA-NIA-10531 · NAICS 811210 · PSC J066

MarylandPosted Nov 3, 2026Due Nov 15, 2026
Combined Synopsis/Solicitation

Service Agreement

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · PCA-NIA-10538 · NAICS 811210 · PSC J066

MarylandPosted Nov 3, 2026Due Nov 15, 2026
Combined Synopsis/Solicitation

NCSS - Onboarding NHLBI to NEI OpenSpecimen

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N98027Q00054 · NAICS 541511 · PSC DA10

MarylandPosted Nov 3, 2026Due Nov 17, 2026
Sources Sought

Weaponeering, Integration, Naval Air Training and Operation Procedures Standardization (NATOPS) and Naval Aviation Technical Information Product (NATIP) and Training Support (WINN-TS) Services

DEPT OF DEFENSE · N00421-27-RFPREQ-AD10000-0027 · NAICS 611512 · PSC U013

MarylandPosted Nov 3, 2026Due Nov 17, 2026
Solicitation

Herbicide Application Services - Raystown Lake Project

DEPT OF DEFENSE · W912DR27QA005 · NAICS 561730 · PSC F008

MarylandPosted Nov 3, 2026Due Nov 18, 2026
Sources Sought

Sources Sought Announcement for repair of the Integrated Data Modem-304B, IDM-304B, NSN 5895-01-592-2129

DEPT OF DEFENSE · W15P7T-26-R-IDM-304B · NAICS 334511 · PSC 5895

MarylandPosted Nov 3, 2026Due Nov 20, 2026
Presolicitation

The Government is seeking to lease office and related space in Linthicum Heights, MD for a minimum of 25,549 ANSI/BOMA Office Area (ABOA) to a maximum of 26,826 ABOA square feet.

GENERAL SERVICES ADMINISTRATION · 5MD0499 · PSC X1AA

MarylandPosted Nov 3, 2026Due Nov 24, 2026
Sources Sought

R--National Institute of Biomedical Imaging and Bioengineering (NIBIB) Innovation

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N98027R00014 · NAICS 541618 · PSC R410

MarylandPosted Nov 3, 2026Due Dec 4, 2026
Sources Sought

R--National Institute of Biomedical Imaging and Bioengineering (NIBIB) Innovation

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N98027R00015 · NAICS 541618 · PSC R410

MarylandPosted Nov 3, 2026Due Dec 4, 2026
Sources Sought

R--National Institute of Biomedical Imaging and Bioengineering (NIBIB) Innovation

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N98027R00016 · NAICS 541618 · PSC R410

MarylandPosted Nov 3, 2026Due Dec 4, 2026
Sources Sought

Enhanced Mobile Satellite Services (EMSS) Equipment, Provisioning and Customer Care Help Desk Support

DEPT OF DEFENSE · FA2541-27-EPCC · NAICS 517410 · PSC DG11

MarylandPosted Nov 3, 2026Due Dec 10, 2026
Solicitation

Best Pharmaceuticals for Children Act Data Coordination Center

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N94026R00008 · NAICS 541715 · PSC AN12

MarylandPosted Nov 3, 2026Due Dec 18, 2026
Solicitation

Medical Case Reviewer Services for the Vaccine Injury Compensation Program (VICP)/ Countermeasures Injury Compensation Program (CICP).

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75R60225Q00181 · NAICS 621111 · PSC R424

MarylandPosted Nov 3, 2026Due Aug 20, 2031
Presolicitation

ORSC Certification and Testing Contract

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · NIH-OD-SS-27-000058 · NAICS 541380 · PSC H966

MarylandPosted Nov 2, 2026Due Nov 15, 2026
Sources Sought

FDA/CDRH Scientific Technical Capacity for Regulatory Review

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75F40127Q00006 · NAICS 541611 · PSC R499

MarylandPosted Nov 2, 2026Due Nov 17, 2026
Presolicitation

NSEETS Contract Ceiling Increase for Continued NASA Support

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION · 80GSFC19D0011-Synposis · NAICS 541715 · PSC AR12

MarylandPosted Nov 2, 2026Due Nov 17, 2026
Sources Sought

Sources Sought - Procurement of New or Overhauled UC-12W PT6A-60A Turboprop Engine

DEPT OF DEFENSE · N00019-27-NORFP-APM207-0328 · NAICS 336412 · PSC 2840

MarylandPosted Nov 2, 2026Due Nov 18, 2026
Sources Sought

Sources Sought - Cross-Domain Capabilities

DEPT OF DEFENSE · PANAPG-27-P-0000-057694 · NAICS 541512

MarylandPosted Nov 2, 2026Due Nov 20, 2026
Sources Sought

RFI to conduct market research to identify potential vendors with products available that meet the capability criteria listed

DEPT OF DEFENSE · 27-SIMACQ-CD-61-0006 · NAICS 325998 · PSC 8030

MarylandPosted Nov 2, 2026Due Nov 23, 2026
Combined Synopsis/Solicitation

CMCS - COMBINED SYNOPSIS - SOLICITATION - FCI CUMBERLAND

JUSTICE, DEPARTMENT OF · 15BFA025R00000055 · NAICS 622110 · PSC Q201

MarylandPosted Nov 2, 2026Due Dec 9, 2026
Solicitation

COMBINED SYNOPSIS/SOLICITATION (Brand Name or Equa

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N98027Q00048 · NAICS 334516 · PSC 6640

MarylandPosted Nov 2, 2026Due Dec 14, 2026
Combined Synopsis/Solicitation

NAVY NP FENDER RENEWAL

HOMELAND SECURITY, DEPARTMENT OF · 70Z04027Q60514Y00 · NAICS 336611 · PSC J020

MarylandPosted Oct 30, 2026Due Nov 16, 2026
Combined Synopsis/Solicitation

Liquid Nitrogen Gas (LN2) service for Clinical Biorepository Freezers

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N98027Q00042 · NAICS 325120 · PSC 6830

MarylandPosted Oct 30, 2026Due Nov 16, 2026
Combined Synopsis/Solicitation

NSWCCD York Chill Pump Replacement

DEPT OF DEFENSE · N0016727Q1002 · NAICS 333415 · PSC 4130

MarylandPosted Oct 29, 2026Due Nov 16, 2026
Sources Sought

Synthesis and Distribution of Drugs of Abuse and Related Compounds

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N98027R00006OT · NAICS 541715 · PSC AN11

MarylandPosted Oct 29, 2026Due Nov 20, 2026
Sources Sought

Synthesis and Distribution of Drugs of Abuse and Related Compounds

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N98027R00006SB · NAICS 541715 · PSC AN11

MarylandPosted Oct 29, 2026Due Nov 20, 2026
Combined Synopsis/Solicitation

MH-60R Airborne Low Frequency Sonar (ALFS) Weapon Replaceable Assemblies (WRA) Support and Sustainment

DEPT OF DEFENSE · N0001926RFPREQAPM2990566 · NAICS 334511 · PSC K016

MarylandPosted Oct 29, 2026Due Nov 28, 2026
Sources Sought

Hubble Space Telescope (HST) Servicing

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION · 80GSFC27RFIHSTS · NAICS 541715

MarylandPosted Oct 29, 2026Due Nov 30, 2026
Solicitation

Mounted Family of Computer Systems (MFoCS) Block II Hardware Spares for the Joint Battle Command Platform (JBC-P)

DEPT OF DEFENSE · SPRBL127DA004 · NAICS 334118 · PSC 7420

MarylandPosted Oct 29, 2026Due Nov 30, 2026
Sources Sought

DATRON RADIO SYSTEMS AND ANCILLARIES

DEPT OF DEFENSE · W91CRB-SS-DATRON · NAICS 334220 · PSC 5820

MarylandPosted Oct 29, 2026Due Nov 30, 2026
Sources Sought

Countermeasures Injury Compensation Program (CICP) Reconsideration Panel Support Services

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · HRSA_CICP_FY27 · NAICS 541611

MarylandPosted Oct 29, 2026Due Dec 4, 2026
Presolicitation

C1DA--VISN 1 - INDEFINITE DELIVERY INDEFINITE QUANTITY ARCHITECT CONTRACT (Legacy VISN 5)

VETERANS AFFAIRS, DEPARTMENT OF · 36C24526R0107 · NAICS 541330 · PSC C1DA

MarylandPosted Oct 29, 2026Due Jan 8, 2027
Solicitation

COLUMBIA Class Tailcone Manufacture

DEPT OF DEFENSE · N0016726R1005 · NAICS 336611 · PSC 2010

MarylandPosted Oct 29, 2026Due Feb 1, 2027
Sources Sought

Reqeust for Information (RFI) Consumables and Reagents BPA - WRAIR Africa

DEPT OF DEFENSE · PANDHA27P0000051326 · NAICS 339112 · PSC 6515

MarylandPosted Oct 28, 2026Due Nov 18, 2026
Solicitation

Light Interference Filter (LIF)

DEPT OF DEFENSE · SPRBL127RA008 · NAICS 334290 · PSC 5855

MarylandPosted Oct 28, 2026Due Nov 27, 2026
Sources Sought

Graphite Furnace Atomic Absorption Spectrometer

COMMERCE, DEPARTMENT OF · NIST-MML-FY27-SS01 · NAICS 334516 · PSC 6640

MarylandPosted Oct 28, 2026Due Nov 28, 2026
Solicitation

SAF/CDM Commercial Solutions Opening and Specific Calls

DEPT OF DEFENSE · FA7146-21-S-C-0001 · NAICS 541990 · PSC AC32

MarylandPosted Oct 28, 2026Due Sep 30, 2027
Sources Sought

CBRND Seeking Aircraft Interior Decontamination Technology

DEPT OF DEFENSE · W911SR-26-AIRCRAFT · PSC 4230

MarylandPosted Oct 27, 2026Due Nov 24, 2026
Sources Sought

RFI Alzheimer�s Research Program (AZRP) Public

DEPT OF DEFENSE · HT9427RFI2027AZRP · NAICS 541714

MarylandPosted Oct 27, 2026Due Dec 4, 2026
Combined Synopsis/Solicitation

: Baxter/Hill-Rom Helux Pro Surgical Light System

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N98027Q00038PCA-NIA-11810 · NAICS 334516 · PSC 6640

MarylandPosted Oct 27, 2026Due Dec 8, 2026
Sources Sought

Traumatic Brain Injury and Psychological Health Research Program Public Request for Information

DEPT OF DEFENSE · HT9427RFI2027TBIPHRP · NAICS 541714

MarylandPosted Oct 27, 2026Due Dec 11, 2026
Solicitation

Light Interference Filter (LIF)-support the Enhanced Night Vision Goggles (ENVG PSQ-20B)

DEPT OF DEFENSE · SPRBL1-26-R-A003 · NAICS 334290 · PSC 5855

MarylandPosted Oct 26, 2026Due Nov 30, 2026
Solicitation

HYDROSPHERE, BIOSPHERE, & GEOPHYSICS (HBG) SUPPORT SERVICES II - FINAL REQUEST FOR PROPOSAL (FRFP)

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION · 80GSFC27R0015 · NAICS 541715 · PSC AJ11

MarylandPosted Oct 26, 2026Due Dec 4, 2026
Sources Sought

REQUEST FOR INFORMATION (RFI) FOR GROUP 1 AND GROUP 2 UNMANNED AIRCRAFT SYSTEM (UAS) TRAINING, MISSION PLANNING, MISSION REHEARSAL, SIMULATION, AND QUALIFICATION MANAGEMENT SYSTEMS

DEPT OF DEFENSE · N00019-26-DRPM-RAS-AIRPMO-0294 · NAICS 334220 · PSC 1550

MarylandPosted Oct 23, 2026Due Dec 22, 2026
Sources Sought

Radiological Detection System Supplies

DEPT OF DEFENSE · N00167-26-RFPREQ-CD-63-0118 · NAICS 334519 · PSC 6665

MarylandPosted Oct 22, 2026Due Nov 19, 2026
Sources Sought

Enterprise Electronic Security Systems (ESS) � Nationwide Operations, Maintenance, Integration, and Lifecycle Support

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 7571MN27R00005 · NAICS 561621 · PSC R408

MarylandPosted Oct 21, 2026Due Nov 19, 2026
Presolicitation

E-6B Maintenance, Repair and Overhaul (MRO)

DEPT OF DEFENSE · N00019-25-RFPREQ-APM271-0012 · NAICS 336411 · PSC J015

MarylandPosted Oct 20, 2026Due Nov 30, 2026
Solicitation

LTAMDS Production and Hardware, Sole Source to Raytheon

DEPT OF DEFENSE · SPRRA226R0076 · NAICS 334511 · PSC 1260

MarylandPosted Oct 20, 2026Due Dec 18, 2026
Sources Sought

Sources Sought - POST TEST LITHIUM BATTERY STORAGE

DEPT OF DEFENSE · N00167-27-RFPREQ-CD-102-0002 · NAICS 236210 · PSC Y1HB

MarylandPosted Oct 19, 2026Due Nov 18, 2026
Solicitation

Biomedical Research Application Evaluation and Support (BRAES)

DEPT OF DEFENSE · HT942727RE006 · NAICS 813920 · PSC R408

MarylandPosted Oct 19, 2026Due Dec 2, 2026
Presolicitation

Pre-Clinical Models of Infectious Diseases

HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N93027R00003 · NAICS 541714 · PSC AN11

MarylandPosted Oct 19, 2026Due Dec 7, 2026
Combined Synopsis/Solicitation

Sole Source- United States Naval Academy NASEC Catering Services

DEPT OF DEFENSE · N0018927QL009 · NAICS 722310 · PSC R499

MarylandPosted Oct 19, 2026Due Dec 21, 2026
Combined Synopsis/Solicitation

FY27 Mentor Protege Program (MPP) Broad Agency Announcement

DEPT OF DEFENSE · MPP-FY2027 · NAICS 541611 · PSC R499

MarylandPosted Oct 19, 2026Due Aug 1, 2027
Sources Sought

RFI Lupus Research Program (LRP) Public

DEPT OF DEFENSE · HT9427RFI2027LRP · NAICS 541714

MarylandPosted Oct 15, 2026Due Nov 16, 2026
Combined Synopsis/Solicitation

RFQ: SUPPORT, ELECTRIC MOTOR supporting the Common Sensor Payload (CSP)

DEPT OF DEFENSE · SPRBL127QA001 · NAICS 333618 · PSC 6105

MarylandPosted Oct 7, 2026Due Dec 8, 2026
Combined Synopsis/Solicitation

Propulsion and Power of Naval Air Vehicles (FY27 BAA)

DEPT OF DEFENSE · N0042126S0002 · NAICS 541715 · PSC AC14

MarylandPosted Sep 24, 2026Due Sep 30, 2027
Presolicitation

6550--Cepheid GeneXpert Testing Supplies

VETERANS AFFAIRS, DEPARTMENT OF · 36C24526R0114 · NAICS 325413 · PSC 6550

MarylandPosted Sep 22, 2026Due Nov 16, 2026
Combined Synopsis/Solicitation

BPA - Semiconductor & Related Device Manufacturing PSC 3670

DEPT OF DEFENSE · N0017424SN0015 · NAICS 334413 · PSC 3670

MarylandPosted Sep 22, 2026Due Nov 11, 2028

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.