NAICS 541990 · FEDERAL PROCUREMENT
All Other Professional, Scientific, and Technical Services federal bids and tenders
Browse U.S. federal tenders, bids and contract notices classified under NAICS 541990 (All Other Professional, Scientific, and Technical Services). Use the classification to focus discovery, then review the complete solicitation scope and official source before deciding whether the work fits your business.
Opportunity feed updated 2026-11-15 00:17 UTC.
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CURRENT NAICS 541990 NOTICES
Recently posted opportunities
Showing up to 60 matching notices with response dates today or later, classified under NAICS 541990.
Cleaning, Inspection, and Hazardous Waste Removal for Two 10,000-Gallon Oil/Water Separators
DEPT OF DEFENSE · FA663327QA001
Air Force Technical and Analytical Support and Professional Services (AFTAS Pro) CSO
DEPT OF DEFENSE · FA701427SC432
US COAST GUARD NSFCC CONFINED SPACE TRAINING
HOMELAND SECURITY, DEPARTMENT OF · 34359RFQ270000002
Hydropower Technical Research & Knowledge Exchange
DEPT OF DEFENSE · W9127N27QA010
Marine Resource Technical Services Throughout the Naval Facilities Engineering Systems Command (NAVFAC) Pacific Area of Responsibility
DEPT OF DEFENSE · N6274227R1801
Employee Assistance Program � Human Resources Office (HRO)
DEPT OF DEFENSE · W91SMC27RA001
Request for Quotation (RFQ) National Performance Management Research Data Set (NPMRDS) Technical and Data-Sharing Support
TRANSPORTATION, DEPARTMENT OF · 693JJ327Q000001
Fort Campbell, KY - API 653 External Tank Inspection
DEPT OF DEFENSE · W9128F27QA006
Artifact Conservation Project Coordinator
NATIONAL ARCHIVES AND RECORDS ADMINISTRATION · 88310327Q00012
FDA Scientific & Regulatory Support Services(SRS)
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75F40127R00007
Multiple Award Schedule
GENERAL SERVICES ADMINISTRATION · 47QSMD20R0001
NIH Scientific & Technical Expertise & Acquisition Management (STEAM)
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75N98027R00012
Quality Assurance Services - Civil Works, Interagency and International Services (IIS), and Military Construction Projects in Puerto Rico and U.S. Virgin Islands
DEPT OF DEFENSE · W51DQV27RA002
MQ-4C Triton Unmanned Aircraft System (UAS) Sustaining Engineering and Support (SES) IV Contract Modification to Incorporate Royal Australian Air Force (RAAF) Technical Services Contract Line Item Numbers (CLINs)
DEPT OF DEFENSE · N00019-25-RFPREQ-WPM262-0376
Vandenberg SFB Tank Inspection
DEPT OF DEFENSE · W9128F27QA002
B--ShakeAlert Production System Code Review
INTERIOR, DEPARTMENT OF THE · 140GG027Q0025
U.S. Navy and Royal Australian Air Force (RAAF) MQ-4C Triton Unmanned Aircraft System (UAS) Sustaining Engineering and Support (SES) V Contract
DEPT OF DEFENSE · N00019-26-RFPREQ-WPM262-0348
University Health and Safety Research for the Mining Industry
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75D30127Q79333
Advances in Contemporary Mining Safety and Health Challenges for Critical Minerals
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75D30127Q79334
Broad Agency Announcement - Development and Demonstration of Mine Safety and Health Technology
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · 75D30127Q79332
VENDOR OPPORTUNITY - DLA HQ Holiday Social Event
DEPT OF DEFENSE · NAFUA1-27-I-0001
Morgantown Office Insect Taxonomic Support
AGRICULTURE, DEPARTMENT OF · 1240BE27Q0013
Golden Dome for America Commercial Solutions Opening
DEPT OF DEFENSE · HQ0202-26-S-0001
SAF/CDM Commercial Solutions Opening and Specific Calls
DEPT OF DEFENSE · FA7146-21-S-C-0001
FY2027 USPS OIG Broad Agency Announcement
POSTAL SERVICE · 6HQOIG-27-A-0001
NASA Deep Space Autonomous Robotics Challenge: Call for Host Facility Interest
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION · 80JSC024R0004
One Acquisition Solution for Integrated Services Plus (OASIS+) Total Small Business Set-Aside Continuously Open
GENERAL SERVICES ADMINISTRATION · 47QRCA23R0001-P2
One Acquisition Solution for Integrated Services Plus (OASIS+) 8(a) Small Business Set-Aside Continuously Open Solicitation
GENERAL SERVICES ADMINISTRATION · 47QRCA23R0002-P2
One Acquisition Solution for Integrated Services Plus (OASIS+) Historically Underutilized Business Zone (HUBZone) Small Business Set-Aside Continuously Open Solicitation
GENERAL SERVICES ADMINISTRATION · 47QRCA23R0003-P2
One Acquisition Solution for Integrated Services Plus (OASIS+) Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside Continuously Open Solicitation
GENERAL SERVICES ADMINISTRATION · 47QRCA23R0004-P2
One Acquisition Solution for Integrated Services Plus (OASIS+) Women-Owned Small Business (WOSB) Set-Aside Continuously Open Solicitation
GENERAL SERVICES ADMINISTRATION · 47QRCA23R0005-P2
One Acquisition Solution for Integrated Services Plus (OASIS+) Unrestricted Continuously Open Solicitation
GENERAL SERVICES ADMINISTRATION · 47QRCA23R0006-P2
Using NAICS 541990 to find federal contracts
Use this classification as a starting point for opportunity discovery. Compare the statement of work, place of performance, PSC, set-aside status and response deadline before investing in a bid. The official solicitation and amendments remain controlling.