NAICS 5419: Other Professional, Scientific, and Technical Services

84 active opportunities

Cleaning, Inspection, and Hazardous Waste Removal for Two 10,000-Gallon Oil/Water Separators

DEPT OF DEFENSE

Posted: Oct 23, 2026
Due: Nov 12, 2026, 1:00 PM EST
Place of performance: Minneapolis, MN
NAICS: 541990
Set-aside: Small Business Set Aside - Total

Data & AI Mission Expert Services (DAMES) IDIQ

DEPT OF DEFENSE

Posted: Oct 23, 2026
Due: Nov 2, 2026, 10:00 AM EST
Place of performance: MD
NAICS: 541990
Set-aside: No Set Aside

711th HPW Mission Support Services MAC IDIQ

DEPT OF DEFENSE

Posted: Oct 23, 2026
Due: Oct 30, 2026, 3:00 PM EDT
Place of performance: Wright Patterson AFB, OH
NAICS: 541990
Set-aside: 8(a) Set-Aside

Request for Information: Outreach and Industry Partnerships (OIP) Portal

HOMELAND SECURITY, DEPARTMENT OF

Posted: Oct 23, 2026
Due: Nov 13, 2026, 1:00 PM EST
Place of performance: DC
NAICS: 541990
Set-aside: 8(a) Set-Aside

Marine Resource Technical Services Throughout the Naval Facilities Engineering Systems Command (NAVFAC) Pacific Area of Responsibility

DEPT OF DEFENSE

Posted: Oct 23, 2026
Due: Nov 23, 2026, 7:00 PM EST
NAICS: 541990
Set-aside: Small Business Set Aside - Partial

Naval Center for Combat and Operational Stress Control (NCCOSC) Support services

DEPT OF DEFENSE

Posted: Oct 22, 2026
Due: Oct 26, 2026, 12:00 PM EDT
NAICS: 541990

TRAINING INSTRUCTOR OPERATOR SERVICES SUPPORT II

DEPT OF DEFENSE

Posted: Oct 22, 2026
Due: Nov 9, 2026, 9:00 AM EST
Place of performance: FL
NAICS: 541990
Set-aside: Small Business Set Aside - Total

Fort Campbell, KY - API 653 External Tank Inspection

DEPT OF DEFENSE

Posted: Oct 22, 2026
Due: Nov 13, 2026, 3:00 PM EST
NAICS: 541990
Set-aside: SDVOSB Sole Source

Maintenance Service for Portable Fire Extinguishers - BPA

TREASURY, DEPARTMENT OF THE

Posted: Oct 21, 2026
Due: Oct 30, 2026, 3:00 PM EDT
Place of performance: Washington, DC
NAICS: 541990
Set-aside: Small Business Set Aside - Total

USACE Tactical Readiness - Integrated Deployment of Enterprise Services (TRIDENT)

DEPT OF DEFENSE

Posted: Oct 21, 2026
Due: Not specified
NAICS: 541990
Set-aside: Small Business Set Aside - Total

Visual Information Services

DEPT OF DEFENSE

Posted: Oct 21, 2026
Due: Nov 16, 2026, 3:00 PM EST
Place of performance: Patrick Air Force Base, FL
NAICS: 541922

FY2027 USPS OIG Broad Agency Announcement

POSTAL SERVICE

Posted: Oct 21, 2026
Due: Sep 30, 2027, 11:59 PM EDT
NAICS: 541990
Set-aside: No Set Aside

Q519-Research Support Psychological Assessment for PTSD Clinical Trial

VETERANS AFFAIRS, DEPARTMENT OF

Posted: Oct 21, 2026
Due: Oct 29, 2026, 3:00 PM EDT
Place of performance: Milwaukee, WI
NAICS: 541990

Veterinary Services

INTERIOR, DEPARTMENT OF THE

Posted: Oct 21, 2026
Due: Oct 28, 2026, 11:00 AM EDT
NAICS: 541940

Water Resources Analytical and Professional Support Services - Multiple Award Task Order Contract (MATOC)

DEPT OF DEFENSE

Posted: Oct 20, 2026
Due: Nov 6, 2026, 4:30 PM EST
NAICS: 541990

Helicopter Services for Idaho

AGRICULTURE, DEPARTMENT OF

Posted: Oct 20, 2026
Due: Oct 30, 2026, 11:00 AM EDT
Place of performance: Boise, ID
NAICS: 541990
Set-aside: Small Business Set Aside - Total

Business Contact and Firmographics Data

COMMERCE, DEPARTMENT OF

Posted: Oct 20, 2026
Due: Nov 19, 2026, 5:00 PM EST
Place of performance: Suitland, MD
NAICS: 541910

R-WYAO Woodward Gov Cabinet Assessment

Awarded

INTERIOR, DEPARTMENT OF THE

Posted: Oct 19, 2026
Due: Not specified
NAICS: 541990

NASA Deep Space Autonomous Robotics Challenge: Call for Host Facility Interest

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION

Posted: Oct 19, 2026
Due: Jan 31, 2027, 5:00 PM EST
Place of performance: Washington, DC
NAICS: 541990

Multi X Office (MXO02) Program Support Services

Awarded

DEPT OF DEFENSE

Posted: Oct 19, 2026
Due: Not specified
Place of performance: Arlington, VA
NAICS: 541990
Set-aside: No Set Aside