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All Other Professional, Scientific, and Technical Services government bids

Open federal contract opportunities classified under NAICS 541990 (All Other Professional, Scientific, and Technical Services), updated daily.

20open opportunities
1posted since yesterday
5closing within 7 days
7reserved for eligible businesses
Virginia 2Florida 1Maryland 1Michigan 1District of Columbia 1Ohio 1Tennessee 1North Carolina 1
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OpportunityAgencyLocation Typical valueDeadline
USAC RFP: Oracle Operations and Maintenance Services
Combined Synopsis/Solicitation · All Other Professional, Scientific, and Technical Services · Sep 28, 2026
Federal Communications Commission Washington, DC 🔒 Pro Oct 26, 2026
U.S. Embassy Mexico—International Narcotics & Law Enforcement Affairs (INL Mexico) CONOCER Criminal Analyst Certification Services Department of State Nationwide 🔒 Pro Nov 01, 2026
USACE Enterprise-Wide Trident Services Dept of Defense
Dept of the Army
Wilmington, NC 🔒 Pro Oct 13, 2026
711th HPW Mission Support Services MAC IDIQ
Combined Synopsis/Solicitation · All Other Professional, Scientific, and Technical Services · 8A · Sep 23, 2026
Dept of Defense
Dept of the Air Force
Wright Patterson AFB, OH 🔒 Pro Oct 02, 2026
Naval Center for Combat and Operational Stress Control Dept of Defense
Dept of the Navy
Falls Church, VA 🔒 Pro Oct 01, 2026
Contractor Owned Contractor Operated Aviation Support Services - US ACIC ISR Dept of Defense
Dept of the Army
Warren, MI 🔒 Pro Oct 07, 2026
Romania Follow on (FY27) Dept of Defense
Defense Logistics Agency
Aberdeen Proving Ground, MD 🔒 Pro Oct 08, 2026
Combined Synopsis/Solicitation for Commercial Items Agile Professional Services ("APS”) Department of the Army
Combined Synopsis/Solicitation · All Other Professional, Scientific, and Technical Services · SBA · Sep 21, 2026
Dept of Defense
Dept of the Army
Orlando, FL 🔒 Pro Oct 14, 2026
Oak Ridge Institute for Science and Education (ORISE) (Expressions of Interest and Request for Information) Department of Energy Oak Ridge, TN 🔒 Pro Oct 07, 2026
Technical Support Services for the FHWA Office of Safety and Operations Research & Development Department of Transportation
Federal Highway Administration
Nationwide 🔒 Pro Oct 09, 2026
SIGMA EX RFI Dept of Defense
Defense Intelligence Agency (DIA)
Charlottesville, VA 🔒 Pro Oct 02, 2026
SAF/CDM Commercial Solutions Opening and Specific Calls Dept of Defense
Dept of the Air Force
Nationwide 🔒 Pro Oct 01, 2026
One Acquisition Solution for Integrated Services Plus (OASIS+) 8(a) Small Business Set-Aside Continuously Open Solicitation General Services Administration
Federal Acquisition Service
Nationwide 🔒 Pro Jan 11, 2027
One Acquisition Solution for Integrated Services Plus (OASIS+) Historically Underutilized Business Zone (HUBZone) Small Business Set-Aside Continuously Open Solicitation
Solicitation · All Other Professional, Scientific, and Technical Services · HZC · Jul 17, 2026
General Services Administration
Federal Acquisition Service
Nationwide 🔒 Pro Jan 11, 2027
One Acquisition Solution for Integrated Services Plus (OASIS+) Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside Continuously Open Solicitation
Solicitation · All Other Professional, Scientific, and Technical Services · SDVOSBC · Jul 17, 2026
General Services Administration
Federal Acquisition Service
Nationwide 🔒 Pro Jan 11, 2027
One Acquisition Solution for Integrated Services Plus (OASIS+) Women-Owned Small Business (WOSB) Set-Aside Continuously Open Solicitation
Solicitation · All Other Professional, Scientific, and Technical Services · WOSB · Jul 17, 2026
General Services Administration
Federal Acquisition Service
Nationwide 🔒 Pro Jan 11, 2027
One Acquisition Solution for Integrated Services Plus (OASIS+) Total Small Business Set-Aside Continuously Open
Solicitation · All Other Professional, Scientific, and Technical Services · SBA · Jul 17, 2026
General Services Administration
Federal Acquisition Service
Nationwide 🔒 Pro Jan 11, 2027
One Acquisition Solution for Integrated Services Plus (OASIS+) Unrestricted Continuously Open Solicitation General Services Administration
Federal Acquisition Service
Nationwide 🔒 Pro Jan 11, 2027
FY2026 USPS OIG Broad Agency Announcement Postal Service Nationwide 🔒 Pro Sep 30, 2026
Golden Dome for America Commercial Solutions Opening Dept of Defense
Immediate Office of the Secretary of Defense
Nationwide 🔒 Pro Apr 02, 2031