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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 5201–5250 of 6156 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Virginia - US Due Date
ON-CALL ARCHITECTURAL & ENGINEERING SERVICES
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 31, 2025
Live Fire Training Structure
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 11, 2025
On Call Interior Design and Space Planning Architect & Engineer Services for CIP
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 05, 2026
Architectural and Engineering Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 17, 2025
RAD CNA Services
54 - Professional, Scientific, and Technical Services
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Dec. 17, 2025
INDEFINITE DELIVERY\/INDEFINITE QUANTITY MULTIPLE AWARD CONTRACT FOR MULTIDISCIPLINE ARCHITECT-ENGINEER SERVICES IN SUPPORT OF CONSTRUCTION PROJECTS LOCATED PRIMARILY IN THE NORFOLK DISTRICT AREA OF RESPONSIBILITY (AOR), BUT ALSO NORTH ATLANTIC DIVISION AO
54 - Professional, Scientific, and Technical Services
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Dec. 11, 2025
Inspection and Enginering Services for Parking Structure Paarking
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 06, 2026
LAW ENFORCEMENT TRAINING ACADEMY REPLACEMENT
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 06, 2026
Morehead Hall Renovation
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 05, 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. 09, 2025
Professional Services (CATB) - Statewide
54 - Professional, Scientific, and Technical Services
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Dec. 11, 2025
FIBERGLASS REINFORCED PLASTIC (FRP) TANK INSPECTION, RELINING AND GENERAL REPAIRS
54 - Professional, Scientific, and Technical Services
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Dec. 31, 2025
Structural\/Architectural Projects
54 - Professional, Scientific, and Technical Services
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Dec. 12, 2025
AE Upgrade Nurse Call System 538-26-201 - VAMC Chillicothe
54 - Professional, Scientific, and Technical Services
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Jan. 06, 2026
Professional Engineering Services
54 - Professional, Scientific, and Technical Services
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Dec. 22, 2025
FIRE AND SMOKE DAMPER INSPECTION SERVICES
54 - Professional, Scientific, and Technical Services
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Dec. 12, 2025
Montana Third Party Elevator Inspection
54 - Professional, Scientific, and Technical Services
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Dec. 12, 2025
PROFESSIONAL ENGINEERING SERVICES
54 - Professional, Scientific, and Technical Services
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Jan. 09, 2026
Fire Suppression System Inspection
54 - Professional, Scientific, and Technical Services
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Dec. 22, 2025
657A4-26-104, Conduct Life Safety Review 0001
54 - Professional, Scientific, and Technical Services
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Dec. 15, 2025
Emergency Governor Evaluation for the Bureau of Indian Affairs
54 - Professional, Scientific, and Technical Services
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Dec. 08, 2025
Utilities A&E Water & Wastewater Engineering Services
54 - Professional, Scientific, and Technical Services
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Jan. 26, 2026
AE Expand Chiller Plant 583-25-101
54 - Professional, Scientific, and Technical Services
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Dec. 11, 2025
Pharmacy Clean Room Hood Testing & Cert - STC
54 - Professional, Scientific, and Technical Services
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Dec. 18, 2025
AE Expand Chiller Plant 583-25-101
54 - Professional, Scientific, and Technical Services
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Dec. 12, 2025
Contracted Laboratory Services CONUS
54 - Professional, Scientific, and Technical Services
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Dec. 19, 2025
Traffic Management Center, Traffic Signal Timing & Signal Design Services
54 - Professional, Scientific, and Technical Services
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Feb. 04, 2026
Natural Gas System - Design, Construction, Operation and Ownership Plan
54 - Professional, Scientific, and Technical Services
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Jan. 02, 2026
Health Spending Administration
54 - Professional, Scientific, and Technical Services
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Dec. 23, 2025
FIRE AND SMOKE DAMPER INSPECTION SERVICES
54 - Professional, Scientific, and Technical Services
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Dec. 12, 2025
Corporate: WMATA - L\u2019ENFANT PLAZA ADA IMPROVEMENTS - EAST MEZZANINE - Testing and Inspections
54 - Professional, Scientific, and Technical Services
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Jan. 24, 2026
Corporate: WMATA - L\u2019ENFANT PLAZA ADA IMPROVEMENTS - EAST MEZZANINE - Design
54 - Professional, Scientific, and Technical Services
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Jan. 24, 2026
North End Mural
54 - Professional, Scientific, and Technical Services
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Jan. 09, 2026
Ambulance Billing Services
54 - Professional, Scientific, and Technical Services
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Oct. 28, 2042
Redacted J&A - Other Than Full and Open Competition
54 - Professional, Scientific, and Technical Services
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Jan. 05, 2026
NNSY Job Fair Advertising
54 - Professional, Scientific, and Technical Services
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Dec. 16, 2025
NNSY Job Fair Advertising
54 - Professional, Scientific, and Technical Services
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Dec. 13, 2025
Strategic Law Enforcement Recruiting Campaign Services
54 - Professional, Scientific, and Technical Services
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Jan. 09, 2026
Comprehensive Campus Brand Saturation Consulting, Design, and Installation Services
54 - Professional, Scientific, and Technical Services
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Dec. 10, 2025
Flood Education and Outreach Social Marketing Services
54 - Professional, Scientific, and Technical Services
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Dec. 10, 2025
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
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Jun. 23, 2026
Generative AI Solution
54 - Professional, Scientific, and Technical Services
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Dec. 19, 2025
DEA Investigative Case and Data Ecosystem (ICDE)
54 - Professional, Scientific, and Technical Services
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Dec. 12, 2025
DEA Investigative Case and Data Ecosystem (ICDE)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 12, 2025
Provider Hub
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 16, 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
Public Safety Distributed Antenna System
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 10, 2025
Local Government Tax Administration Software
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 17, 2025

Showing 5201–5250 of 6156 bids that are currently: Active.