NAICS 541990 – All Other Professional, Scientific, and Technical Services

Browse 446+ active federal contract opportunities classified under NAICS 541990.

Recent Opportunities

• R--Repair and Protect Critically Damaged Artifacts Ja
  Agency: INTERIOR, DEPARTMENT OF THE Posted: May 18, 2026 NAICS: 541990
• Hand-Pulling Eurasian Watermilfoil, North Hartland Lake, North Hartland, VT and North Springfield Lake, Springfield, VT
  Agency: DEPT OF DEFENSE Posted: May 18, 2026 NAICS: 541990 Set-Aside: SBA
• Technology Test and Evaluation Division (TTED) Technology Evaluations Support Services
  Agency: COMMERCE, DEPARTMENT OF Posted: May 18, 2026 Due: May 26, 2026 NAICS: 541990 Set-Aside: SBA
• C--Structural Assessment for BIA, Bldg 40 & 251, Fort Defiance, AZ
  Agency: INTERIOR, DEPARTMENT OF THE Posted: May 18, 2026 Due: May 19, 2026 NAICS: 541990
• DAF Insider Threat Program for User Activity Monitoring (UAM)
  Agency: DEPT OF DEFENSE Posted: May 18, 2026 Due: Jun 19, 2026 NAICS: 541990 Set-Aside: NONE Location: TX
• Garrison Spillway Chute Subdrain Inspection Garrison Dam, ND
  Agency: DEPT OF DEFENSE Posted: May 15, 2026 Due: May 21, 2026 NAICS: 541990 Set-Aside: SBA Location: ND
• USAFA Meteorological Services
  Agency: DEPT OF DEFENSE Posted: May 15, 2026 Due: Jun 5, 2026 NAICS: 541990 Set-Aside: SBA Location: CO
• R--Tribal Secretarial Election Support Services for Winnebago Agency
  Agency: INTERIOR, DEPARTMENT OF THE Posted: May 15, 2026 NAICS: 541990
• NOI - Whole Genome Sequencing-Sickle Cell Patient
  Agency: HEALTH AND HUMAN SERVICES, DEPARTMENT OF Posted: May 15, 2026 Due: May 29, 2026 NAICS: 541990
• R--STUDENT SERVICES CONTRACT - BROOKE HASENSTAB
  Agency: INTERIOR, DEPARTMENT OF THE Posted: May 15, 2026 NAICS: 541990
• Aquatic Herbicide Treatment, Milfoil, Hopkinton Lake, Hopkinton, NH and Everett Lake, Weare, NH
  Agency: DEPT OF DEFENSE Posted: May 15, 2026 NAICS: 541990 Set-Aside: SBA
• FY 26 Joint Base Lewis McChord Tank Inspection
  Agency: DEPT OF DEFENSE Posted: May 15, 2026 Due: May 21, 2026 NAICS: 541990 Set-Aside: SBA
• B--STUDENT CONTRACT - TRINITY CLIFFORD
  Agency: INTERIOR, DEPARTMENT OF THE Posted: May 15, 2026 NAICS: 541990
• NOI - Dynamic Genome: CHIP
  Agency: HEALTH AND HUMAN SERVICES, DEPARTMENT OF Posted: May 15, 2026 Due: May 29, 2026 NAICS: 541990
• H149--562-26-4-5137-0001 | SEA 40852 | Annual Fuel Oil Storage Tank Inspection, Testing, Cleaning, and Treatment Services | NCO 4 Services 2 (VA-26-00045741)
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: May 14, 2026 Due: May 21, 2026 NAICS: 541990 Set-Aside: SDVOSBC
• MALU RM KFH SCLC HFRS
  Agency: INTERIOR, DEPARTMENT OF THE Posted: May 14, 2026 Due: Jun 15, 2026 NAICS: 541990 Set-Aside: SBA
• Professional Support Services in the Atlantic Area of Responsibility
  Agency: DEPT OF DEFENSE Posted: May 14, 2026 Due: Jun 4, 2026 NAICS: 541990 Set-Aside: 8A Location: ME
• R--Development of river-specific population decision support tools for Gulf sturge
  Agency: INTERIOR, DEPARTMENT OF THE Posted: May 14, 2026 Due: May 20, 2026 NAICS: 541990
• Field Service Representative (FSR) Support
  Agency: DEPT OF DEFENSE Posted: May 13, 2026 Due: May 22, 2026 NAICS: 541990 Set-Aside: SBA
• NIST Latent Fingerprint Ground Truth Determination Support Services
  Agency: COMMERCE, DEPARTMENT OF Posted: May 13, 2026 Due: May 29, 2026 NAICS: 541990 Set-Aside: NONE Location: MD
• Technology Test and Evaluation Division (TTED) Technology Evaluations Support Services
  Agency: COMMERCE, DEPARTMENT OF Posted: May 13, 2026 Due: May 26, 2026 NAICS: 541990 Set-Aside: SBA
• NCAO FE/CO2 Services
  Agency: INTERIOR, DEPARTMENT OF THE Posted: May 13, 2026 Due: May 27, 2026 NAICS: 541990 Set-Aside: SBA
• Medial Logistics Authoritative Data Exchange and Medical Logistics Database Subscription Services for the DHA Medical Logistics Directorate
  Agency: DEPT OF DEFENSE Posted: May 13, 2026 Due: May 28, 2026 NAICS: 541990 Set-Aside: NONE Location: MD
• Compass Collection
  Agency: AGRICULTURE, DEPARTMENT OF Posted: May 13, 2026 Due: May 28, 2026 NAICS: 541990 Set-Aside: NONE Location: PA
• Technology Test and Evaluation Division (TTED) Technology Evaluations Support Services
  Agency: COMMERCE, DEPARTMENT OF Posted: May 13, 2026 Due: May 26, 2026 NAICS: 541990 Set-Aside: SBA

Data sourced from SAM.gov. Updated daily. Last updated: May 19, 2026.