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The Professional, Scientific, and Technical Services sector comprises establishments that specialize in performing professional, scientific, and technical activities for others. These activities require a high degree of expertise and training. The establishments in this sector specialize according to expertise and provide these services to clients in a variety of industries and, in some cases, to households. Activities performed include: legal advice and representation; accounting, bookkeeping, and payroll services; architectural, engineering, and specialized design services; computer services; consulting services; research services; advertising services; photographic services; translation and interpretation services; veterinary services; and other professional, scientific, and technical services. This sector excludes establishments primarily engaged in providing a range of day-to-day office administrative services, such as financial planning, billing and recordkeeping, personnel, and physical distribution and logistics. These establishments are classified in Sector 56, Administrative and Support and Waste Management and Remediation Services.

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Showing 4601–4650 of 5486 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Virginia - US Due Date
AE Upgrade Nurse Call System 538-26-201 - VAMC Chillicothe
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 06, 2026
Professional Engineering Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 22, 2025
PROFESSIONAL ENGINEERING SERVICES
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 09, 2026
Fire Suppression System Inspection
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 22, 2025
Utilities A&E Water & Wastewater Engineering Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 26, 2026
Pharmacy Clean Room Hood Testing & Cert - STC
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 18, 2025
Contracted Laboratory Services CONUS
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 19, 2025
Traffic Management Center, Traffic Signal Timing & Signal Design Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Feb. 04, 2026
Natural Gas System - Design, Construction, Operation and Ownership Plan
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 02, 2026
Health Spending Administration
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 23, 2025
Corporate: WMATA - L\u2019ENFANT PLAZA ADA IMPROVEMENTS - EAST MEZZANINE - Testing and Inspections
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 24, 2026
Corporate: WMATA - L\u2019ENFANT PLAZA ADA IMPROVEMENTS - EAST MEZZANINE - Design
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 24, 2026
AE Upgrade Fire Alarm Systems 538-26-200 - VAMC CHILLICOTHE
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 19, 2025
Ferncliff Water Treatment Plant Process Upgrades
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 23, 2026
596-26-2-5744-0001 - Replace & Repair Facade on Buildings
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 09, 2026
Aircraft Carrier Readiness Support
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 02, 2026
Engineering Services- VBRSP Dillard Site Water Tank Design and Sewer Upgrade Plan
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 06, 2026
Notice intent to Sole Source - WILDLIFE DISEASE
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 23, 2025
The Radford Army Ammunition Plant (RFAAP) Acid Farm Storage Tanks
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 09, 2026
657A4-26-104, Conduct Life Safety Review 0003
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 22, 2025
Synopsis- AMSO M&S Support Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 27, 2025
On-Call\/Exclusive Use Unmanned Aircraft Systems (UAS) Emergency Fire Flight Ser
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 31, 2025
Sheridan VAMC 666 | Air Balance Service
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 02, 2026
657A4-26-104, Conduct Life Safety Review 0004
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 22, 2025
AE Project No. 583-25-202 - Upgrade Nursing Unit Isolation Rooms & Airflows.
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 06, 2026
Corporate: Public Works Service Center and Fire Stations #4 and #6 Fueling Improvements - GEOTECHNICAL ENGINEERING, INSPECTION
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 17, 2025
Corporate: Public Works Service Center and Fire Stations #4 and #6 Fueling Improvements - GEOTECHNICAL ENGINEERING, INSPECTION AND TESTING
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 17, 2025
Corporate: Public Works Service Center and Fire Stations #4 and #6 Fueling Improvements - GEOTECHNICAL ENGINEERING, INSPECTION AND TESTING
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 17, 2025
North End Mural
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 09, 2026
Ambulance Billing Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 28, 2042
Redacted J&A - Other Than Full and Open Competition
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 05, 2026
Joint Procurement for Professional Audit Services
54 - Professional, Scientific, and Technical Services
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Jan. 06, 2026
Audit Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Feb. 05, 2026
Internal Audit Co-Sourcing Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 30, 2026
Strategic Law Enforcement Recruiting Campaign Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 09, 2026
LICENSED REAL ESTATE BROKERAGE MARKETING SERVICES
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 16, 2026
Program Executive Office, Defense Healthcare Management Systems (PEO DHMS), Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 23, 2026
Program Executive Office, Defense Healthcare Management Systems (PEO DHMS), Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 23, 2026
Program Executive Office, Defense Healthcare Management Systems (PEO DHMS), Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 23, 2026
Generative AI Solution
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 19, 2025
Health Care Delivery System (HCDS) Electronic Health Record Follow-on (MHS GENESIS)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 30, 2026
Local Government Tax Administration Software
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 17, 2025
Fundraising and Engagement Platform
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 18, 2025
Customer Care Prototyping - Commercial Solution Opening (Notice of Availability)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 04, 2026
Health Care Delivery Solutions (HCDS) Electronic Health Record Follow-on (MHS GENESIS)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 30, 2026
Software and Implementation Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 08, 2026
Customer Care Prototyping - Commercial Solution Opening (Notice of Availability)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 04, 2026
Custom Generative AI Platform
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 18, 2025
Managed Detection & Response (MDR), Security Information & Event Management (SIEM) and Security Orchestration, Automation & Response (SOAR) solution
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 09, 2026
Health Care Delivery Solutions (HCDS) Electronic Health Record Follow-on (MHS GENESIS)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 30, 2026

Showing 4601–4650 of 5486 bids that are currently: Active.