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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 4851–4900 of 6058 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Virginia - US Due Date
Engineering and Surveying - Accomack County Flood Zone
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
Switchgear Inspection, Testing and Repair Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 15, 2026
Portfolio Acquisition Executive - Marine Corps (PAE-MC) Ground Combat Vehicle Testing, Research, and Development
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 28, 2026
Requirements Analysis (A&E) for Army (ATEC)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 28, 2026
High Power Microwave Engineering Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 01, 2026
Sand, Sediment, and Critical Mineral Investigation
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 31, 2026
Review & Update Modeling Relationships and Associated Computerized Applications \u2013 CADET, Hull Lines Flexibility, Powering & Emissions Handling, Ballast Templates & Wake Screening Application with Option(s) for Compilation of Additional Hull Profiles
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 26, 2026
A\/E DESIGN SERVICES
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 25, 2026
Engineering Services As-Needed
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 07, 2026
Inspection of Fire Extinguishers
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 28, 2026
Professional Engineering Consulting Services
54 - Professional, Scientific, and Technical Services
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Sep. 14, 2026
Corporate: Virginia Peninsula Community College Replace Diggs-Moore-Harrison Complex - Testing, Adjusting, and Balancing for HVAC
54 - Professional, Scientific, and Technical Services
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Aug. 26, 2026
Fire Hose Testing
54 - Professional, Scientific, and Technical Services
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Aug. 28, 2026
Exhibit Design Services
54 - Professional, Scientific, and Technical Services
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Sep. 08, 2026
Architectural and Historical Services
54 - Professional, Scientific, and Technical Services
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Sep. 25, 2026
Emission Survey of Distribution Lines, Transmission Lines and Substations
54 - Professional, Scientific, and Technical Services
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Sep. 24, 2026
503-26-109 Remediate Reserve Center UST AE Design Solicitation
54 - Professional, Scientific, and Technical Services
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Sep. 21, 2026
A\/E Services Renovate Outpatient Clinics to PACT Project Number: 662-25-105
54 - Professional, Scientific, and Technical Services
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Sep. 07, 2026
Fire Apparatus Aerial Inspection and Testing Services
54 - Professional, Scientific, and Technical Services
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Sep. 02, 2026
Inspection and Evaluation Services
54 - Professional, Scientific, and Technical Services
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Sep. 01, 2026
Open-End Architectural, Engineering and Surveying Services
54 - Professional, Scientific, and Technical Services
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Sep. 08, 2026
USA: Utility Critical Water Testing
54 - Professional, Scientific, and Technical Services
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Aug. 28, 2026
ESB FHA Master List
54 - Professional, Scientific, and Technical Services
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Aug. 31, 2026
Design Services for Building New Career and Technical Education Center
54 - Professional, Scientific, and Technical Services
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Sep. 18, 2026
Triennial Electrical Inspection
54 - Professional, Scientific, and Technical Services
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Sep. 01, 2026
ND LAMBS LAKE NWR AE DESIGN DAM
54 - Professional, Scientific, and Technical Services
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Sep. 04, 2026
Engineering Services IDIQ - Erie VA
54 - Professional, Scientific, and Technical Services
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Sep. 18, 2026
Franklin MS A & E Services
54 - Professional, Scientific, and Technical Services
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Sep. 24, 2026
Construction Support and Independent Quality Assurance, Verification, Sampling And Testing Services (IQAVS&T)
54 - Professional, Scientific, and Technical Services
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Oct. 08, 2026
Statewide Surveying, Photogrammetry and Subsurface Utility Designation and Location
54 - Professional, Scientific, and Technical Services
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Sep. 15, 2026
Marine Survey Services
54 - Professional, Scientific, and Technical Services
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Aug. 25, 2026
A\/E Services Renovate Outpatient Clinics to PACT Project Number: 662-25-105
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 07, 2026
Analytical Services - Navy Environmental & Preventive Medicine Unit Two (NEMPU2) Norfolk, VA
54 - Professional, Scientific, and Technical Services
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Sep. 01, 2026
CEI Services for the Rt 15\/Spinks Ferry Rd\/Newvalley Church Rd Roundabout
54 - Professional, Scientific, and Technical Services
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Oct. 01, 2026
Material Handling Equipment Inspection, Parts & Repair Services
54 - Professional, Scientific, and Technical Services
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Sep. 10, 2026
Architectural and Engineering Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 28, 2026
Engineering Academic Building
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 09, 2026
Fire Door Inspection and Repair Service
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 04, 2026
A\/E Services Renovate Outpatient Clinics to PACT Project Number: 662-25-105
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 07, 2026
CNAFR C-40A Calibration and Certification
54 - Professional, Scientific, and Technical Services
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Aug. 28, 2026
Engineering Design, Permitting, and Construction Documents for Removal of the Woodstock Dam
54 - Professional, Scientific, and Technical Services
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Sep. 25, 2026
Review & Update Modeling Relationships and Associated Computerized Applications \u2013 CADET, Hull Lines Flexibility, Powering & Emissions Handling, Ballast Templates & Wake Screening Application with Option(s) for Compilation of Additional Hull Profiles
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 03, 2026
Ambulance Billing Services
54 - Professional, Scientific, and Technical Services
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Oct. 28, 2042
Electronic Benefit Transfer Processing and Financial Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 28, 2026
Money Management Services
54 - Professional, Scientific, and Technical Services
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Aug. 31, 2026
Audit Services
54 - Professional, Scientific, and Technical Services
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Sep. 23, 2026
Admissions and Geodemographic Research and Marketing Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 03, 2026
Lexington, Buena Vista, and Rockbridge Tourism Marketing
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 09, 2026
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
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

Showing 4851–4900 of 6058 bids that are currently: Active.