NAICS codes / 541690
NAICS 541690: Other Scientific and Technical Consulting Services — open federal opportunities
22 open notices on SAM.gov. Top buyers: HEALTH AND HUMAN SERVICES, DEPARTMENT OF (11), DEPT OF DEFENSE (4), INTERIOR, DEPARTMENT OF THE (3), AGRICULTURE, DEPARTMENT OF (2).
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Respirator Fit Testing
VETERANS AFFAIRS, DEPARTMENT OF · VETERANS AFFAIRS, DEPARTMENT OF · Combined Synopsis/Solicitation · posted Oct 30, 2026
Senior Advisor Subject Matter Expert (SME) with Pharmaceutical Development and Pain Expertise for the NINDS
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · OFFICE OF THE ASSISTANT SECRETARY FOR ADMINISTRATION (ASA) · Combined Synopsis/Solicitation · posted Oct 30, 2026
Senior Advisor Subject Matter Expert (SME) with Pharmaceutical Development and Pain Expertise for the NINDS
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · OFFICE OF THE ASSISTANT SECRETARY FOR ADMINISTRATION (ASA) · Combined Synopsis/Solicitation · posted Oct 29, 2026
Senior Advisor 2 for Biological Therapeutics Development to act as External Oversight Committee (EOC) Subject Matter Expert (SME) Services.
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · OFFICE OF THE ASSISTANT SECRETARY FOR FINANCIAL RESOURCES (ASFR) · Combined Synopsis/Solicitation · posted Oct 29, 2026
B--USGS Detrital zircon U/Pb, Hf, and T/REE analyses
INTERIOR, DEPARTMENT OF THE · DEPARTMENTAL OFFICES · Special Notice · posted Oct 28, 2026
NAICS 541690Due Nov 4, 2026
2 Senior Advisors Services for the NINDS Blueprint Neurotherapeutic Network for Small Molecules External Oversight Committee (EOC) Subject Matter Expert (SME) Services
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · OFFICE OF THE ASSISTANT SECRETARY FOR FINANCIAL RESOURCES (ASFR) · Combined Synopsis/Solicitation · posted Oct 28, 2026
CDC Technical Assistance for Program Implementation, Messaging, Evaluation, and Translation Services in Support of Nutrition, Physical Activity, and Obesity Prevention
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · CENTERS FOR DISEASE CONTROL AND PREVENTION · Sources Sought · posted Oct 28, 2026
CDC Advancing Nutrition, Physical Activity, and Obesity and Chronic Disease Prevention through Epidemiology, Surveillance and Data Modernization
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · CENTERS FOR DISEASE CONTROL AND PREVENTION · Sources Sought · posted Oct 28, 2026
CDC Technical Assistance and Capacity Building for Nutrition, Physical Activity, and Obesity Prevention Strategies
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · CENTERS FOR DISEASE CONTROL AND PREVENTION · Sources Sought · posted Oct 28, 2026
Notice of Intent to Sole Source - Economic Impact Assessment
DEPT OF DEFENSE · DEPT OF THE NAVY · Presolicitation · posted Oct 28, 2026
NAICS 541690Due Nov 12, 2026
Senior Advisor Subject Matter Expert (SME) with Patient Advocacy Expertise for the NINDS Ultra-rare Gene-based Therapy (URGenT) Network
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · OFFICE OF THE ASSISTANT SECRETARY FOR FINANCIAL RESOURCES (ASFR) · Combined Synopsis/Solicitation · posted Oct 27, 2026
Senior Advisor 2 for Biological Therapeutics Development to act as External Oversight Committee (EOC) Subject Matter Expert (SME) Services.
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · OFFICE OF THE ASSISTANT SECRETARY FOR FINANCIAL RESOURCES (ASFR) · Combined Synopsis/Solicitation · posted Oct 27, 2026
Clinical Research Support and Collaboration for NHGRI Protocols
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · NATIONAL INSTITUTES OF HEALTH · Combined Synopsis/Solicitation · posted Oct 26, 2026
AFCENT Battle Lab Commercial Solutions Opening
DEPT OF DEFENSE · DEPT OF THE AIR FORCE · Special Notice · posted Oct 20, 2026
NAICS 541690Shaw AFB, SC
R--Technical Services Support
ENERGY, DEPARTMENT OF · ENERGY, DEPARTMENT OF · Solicitation · posted Oct 20, 2026
FY27 - EXPERT REVIEW BOARDS
AGRICULTURE, DEPARTMENT OF · FARM PRODUCTION AND CONSERVATION BUSINESS CENTER · Sources Sought · posted Oct 15, 2026
FY27 BOTANY SURVEYS
INTERIOR, DEPARTMENT OF THE · DEPARTMENTAL OFFICES · Solicitation · posted Oct 14, 2026
INJECTION WELL FAILURE MODE EVALUATION
INTERIOR, DEPARTMENT OF THE · DEPARTMENTAL OFFICES · Solicitation · posted Oct 13, 2026
FY27 - EXPERT REVIEW BOARS
AGRICULTURE, DEPARTMENT OF · FARM PRODUCTION AND CONSERVATION BUSINESS CENTER · Sources Sought · posted Oct 9, 2026
Safety, Prevention, Epidemiology, and Education Development for Health Care and Antimicrobial Resistance - SPEED 2027-2032
HEALTH AND HUMAN SERVICES, DEPARTMENT OF · CENTERS FOR DISEASE CONTROL AND PREVENTION · Presolicitation · posted Oct 8, 2026
Monitoring and Evaluation of Russian River Coho Salmon
DEPT OF DEFENSE · DEPT OF THE ARMY · Combined Synopsis/Solicitation · posted Oct 8, 2026
NAICS 541690Due Nov 9, 2026
Monitoring and Evaluation of Russian River Coho Salmon
DEPT OF DEFENSE · DEPT OF THE ARMY · Combined Synopsis/Solicitation · posted Oct 8, 2026
NAICS 541690Due Nov 9, 2026
Related NAICS codes (industry group 5416)
- 541611 Administrative Management and General Management Consulting Services (39 open)
- 541620 Environmental Consulting Services (18 open)
- 541614 Process, Physical Distribution, and Logistics Consulting Services (12 open)
- 5416 Management, Scientific, and Technical Consulting Services (5 open)
- 541612 Human Resources Consulting Services (4 open)
- 541618 Other Management Consulting Services (3 open)
- 541613 Marketing Consulting Services (1 open)
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