NAICS 541690 – Other Scientific and Technical Consulting Services

Browse 179+ active federal contract opportunities classified under NAICS 541690.

Recent Opportunities

• R408--John Otis and Sporedata 523-26-2-7176-0272 - HCR (VA-26-00043878)
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Apr 2, 2026 Due: Apr 6, 2026 NAICS: 541690
• Implementation plan-ShakeAlert Earthquake EW.
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Apr 2, 2026 Due: Apr 24, 2026 NAICS: 541690 Set-Aside: SBA
• F999--Gems Technical Assistance
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Apr 1, 2026 Due: Apr 10, 2026 NAICS: 541690
• Latin America and the Caribbean: Digital Infrastructure Project Scoping Services
  Agency: UNITED STATES TRADE AND DEVELOPMENT AGENCY Posted: Apr 1, 2026 Due: Apr 16, 2026 NAICS: 541690 Location: VA
• IH Inspections
  Agency: DEPT OF DEFENSE Posted: Apr 1, 2026 NAICS: 541690 Set-Aside: SBA Location: NE
• R--Plant-model Development for Sequoyah Nuclear Power
  Agency: NUCLEAR REGULATORY COMMISSION Posted: Apr 1, 2026 Due: May 15, 2026 NAICS: 541690
• A10 Strategic Plans and Policy Support Services - FY26 - Virtual Industry Day
  Agency: DEPT OF DEFENSE Posted: Apr 1, 2026 Due: Mar 26, 2026 NAICS: 541690 Location: MD
• SVBU Regression Testing Targets
  Agency: DEPT OF DEFENSE Posted: Mar 31, 2026 Due: Apr 30, 2026 NAICS: 541690
• R--R&D - MUSSEL CONTROL RESEARCH
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Mar 31, 2026 NAICS: 541690
• Justification for IDIQ and Task Order Award to John Hopkins University Applied Physics Laboratory (JHU/APL)
  Agency: STATE, DEPARTMENT OF Posted: Mar 31, 2026 NAICS: 541690 Location: MD
• Technology Research in Horizon scanning for strategic foresight
  Agency: NATIONAL AERONAUTICS AND SPACE ADMINISTRATION Posted: Mar 31, 2026 Due: Apr 2, 2026 NAICS: 541690
• B--NM ESFO - Pilot Project - Mexican Wolf Interaction
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Mar 31, 2026 NAICS: 541690
• B--Breeding Waterfowl Surveys (IA) - Base Period with up to Three Option Years
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Mar 31, 2026 Due: Apr 15, 2026 NAICS: 541690
• Multiple Award Schedule
  Agency: GENERAL SERVICES ADMINISTRATION Posted: Mar 31, 2026 Due: Mar 31, 2026 NAICS: 541690
• AFOSR FY26 Partnership Intermediary Agreement (PIA) for Integrated Programmatic and Technical Support to increase Technology Transition & Transfer and Collaborative Project Orders (CPOs)
  Agency: DEPT OF DEFENSE Posted: Mar 30, 2026 Due: Apr 4, 2026 NAICS: 541690 Location: VA
• Sanitary Survey in FY2026 at All Honshu Installations
  Agency: DEPT OF DEFENSE Posted: Mar 30, 2026 Due: Apr 14, 2026 NAICS: 541690 Set-Aside: NONE Location: JP-14
• A10 Strategic Plans and Policy Support Services - FY26 - Virtual Industry Day
  Agency: DEPT OF DEFENSE Posted: Mar 30, 2026 Due: Mar 26, 2026 NAICS: 541690 Location: MD
• Legal Case & Document Management System
  Agency: DISTRICT OF COLUMBIA COURTS Posted: Mar 30, 2026 Due: Apr 17, 2026 NAICS: 541690 Set-Aside: NONE Location: DC
• Sanitary Survey in FY2026 at All Honshu Installations
  Agency: DEPT OF DEFENSE Posted: Mar 30, 2026 Due: Apr 14, 2026 NAICS: 541690 Set-Aside: NONE Location: JP-14
• Multiple Award Schedule
  Agency: GENERAL SERVICES ADMINISTRATION Posted: Mar 30, 2026 Due: Mar 30, 2026 NAICS: 541690
• R425 - Specialized Technical and Analytical Support Services in Support of ASN (EI&E)
  Agency: DEPT OF DEFENSE Posted: Mar 30, 2026 Due: Apr 3, 2026 NAICS: 541690 Set-Aside: SBA Location: DC
• Sanitary Survey in FY2026 at All Honshu Installations
  Agency: DEPT OF DEFENSE Posted: Mar 30, 2026 Due: Apr 14, 2026 NAICS: 541690 Set-Aside: NONE Location: JP-14
• H265--Water Testing
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Mar 27, 2026 Due: Apr 1, 2026 NAICS: 541690 Set-Aside: SDVOSBC
• A10 Strategic Plans and Policy Support Services - FY26 - Virtual Industry Day
  Agency: DEPT OF DEFENSE Posted: Mar 27, 2026 Due: Mar 26, 2026 NAICS: 541690 Location: MD
• A10 Strategic Plans and Policy Support Services - FY26 - Virtual Industry Day
  Agency: DEPT OF DEFENSE Posted: Mar 27, 2026 Due: Mar 26, 2026 NAICS: 541690 Location: MD

Data sourced from SAM.gov. Updated daily. Last updated: April 4, 2026.