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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 2101–2150 of 5150 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Maryland - US Due Date
Consultant for School Consolidation and Closures Study for Elementary and Middle Schools
54 - Professional, Scientific, and Technical Services
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Jun. 01, 2026
Strong Heart Study (SHS) \u2013 New Cohort of Young Native American (NA) Adults
54 - Professional, Scientific, and Technical Services
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May. 26, 2026
Credentialing Verification Sources Sought
54 - Professional, Scientific, and Technical Services
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May. 26, 2026
Technology Test and Evaluation Division (TTED) Technology Evaluations Support Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 26, 2026
RADIOLOGICAL OR NUCLEAR MEDICAL COUNTERMEASURE PRODUCT DEVELOPMENT SUPPORT (PDS)
54 - Professional, Scientific, and Technical Services
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Jun. 02, 2026
Support for Development, Maintenance and Distribution of Identifiers for Research Resources to Serve Replicable, Reproducible and Generalizable Biomedical Research
54 - Professional, Scientific, and Technical Services
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Jun. 01, 2026
Notice of Intent to Sole Source award a single order against GSA MAS 47QRAA19D00D7 to Rose Li and Associates, Inc., for the acquisition of a shared portal to control confidential documents (data and safety monintoring)
54 - Professional, Scientific, and Technical Services
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May. 27, 2026
Intent to Sole Source - Reagents and Consumables required for Systemic Autoimmune Rheumatic Diseases.
54 - Professional, Scientific, and Technical Services
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Jun. 02, 2026
Immune Mechanisms of Protection Against Mycobacterium tuberculosis Center (IMPAc-TB)
54 - Professional, Scientific, and Technical Services
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Jun. 02, 2026
Consulting Services for Accreditation Programs
54 - Professional, Scientific, and Technical Services
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Jun. 08, 2026
FDA Occupational Safety, Industrial Hygiene, Information Systems, and Training (OSIST) IDIQ
54 - Professional, Scientific, and Technical Services
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Jun. 09, 2026
RFI- Industry Input on Acquisition Lifecycle Optimization
54 - Professional, Scientific, and Technical Services
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Jul. 31, 2026
Research and Development Support Services (Clinica
54 - Professional, Scientific, and Technical Services
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Jun. 05, 2026
Research & Development Support Services
54 - Professional, Scientific, and Technical Services
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Jun. 02, 2026
American Sign Language Interpreters for SSA sites
54 - Professional, Scientific, and Technical Services
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May. 28, 2026
Rate Study for Water & Wastewater Service Areas
54 - Professional, Scientific, and Technical Services
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Jun. 30, 2026
Structured Product Labeling (SPL) HT9426-26-Q-E022
54 - Professional, Scientific, and Technical Services
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Jun. 05, 2026
GEMS Technical Assistance
54 - Professional, Scientific, and Technical Services
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Jun. 15, 2026
Chemistry Support for the DTT
54 - Professional, Scientific, and Technical Services
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Jun. 04, 2026
Research and Development Support Services
54 - Professional, Scientific, and Technical Services
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Jun. 05, 2026
INDUSTRY PARTNERSHIP OPPORTUNITY: U.S. Army Test and Evaluation Command (ATEC) Announces Availability of Premier National Test Ranges
54 - Professional, Scientific, and Technical Services
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Sep. 30, 2026
Medicinal Chemistry Support Program for Therapeutic Development
54 - Professional, Scientific, and Technical Services
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Jun. 04, 2026
Medicinal Chemistry Support Program for Therapeutic Development
54 - Professional, Scientific, and Technical Services
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Jun. 04, 2026
Small Business Event: 2026 AFDW Small Business Summit
54 - Professional, Scientific, and Technical Services
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May. 30, 2026
(RFI): Validation of Emerging Defense & Detection Equipment for Readiness (VEDDER) Prototype Accelerator
54 - Professional, Scientific, and Technical Services
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May. 27, 2026
MEI Research on Demand Support for Metabolic Suites and Associated Sensors
54 - Professional, Scientific, and Technical Services
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Jun. 02, 2026
2026 APBI Save the Date
54 - Professional, Scientific, and Technical Services
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May. 30, 2026
Development of 3D Human Blood Brain Barrier Formation Assay
54 - Professional, Scientific, and Technical Services
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Jun. 12, 2026
Family Law Clinic Attorney Services-Part-Time
54 - Professional, Scientific, and Technical Services
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May. 28, 2026
Legal Assistance Provider
54 - Professional, Scientific, and Technical Services
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May. 28, 2026
BPA - Translation and Interpreting Service PSC R608
54 - Professional, Scientific, and Technical Services
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Nov. 11, 2028
ASL Interpretive Services
54 - Professional, Scientific, and Technical Services
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May. 26, 2026
CART Services
54 - Professional, Scientific, and Technical Services
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Jun. 19, 2026
Geographic Information System (GIS) & Engineering Records Document Management
54 - Professional, Scientific, and Technical Services
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May. 29, 2026
Lobbying Representing
54 - Professional, Scientific, and Technical Services
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Jun. 22, 2026
REQUEST FOR INFORMATION - Next Generation Command and Control (NGC2) Software Application Storefront, Pipeline and Tailorable Warfighting Applications
54 - Professional, Scientific, and Technical Services
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May. 27, 2026
Risk Underlying Rural Areas Longitudinal (RURAL) Heart and Lung Study \u2013 Expansion Cohort
54 - Professional, Scientific, and Technical Services
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May. 27, 2026
AN\/PLT-4 (Procurement and Post Production Maintenance Support of Navy Transmitting Set, Countermeasure (TSC) and Legacy Channel Systems)
54 - Professional, Scientific, and Technical Services
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May. 27, 2026
 
 
Massachusetts - US Due Date
Veterinary Services
54 - Professional, Scientific, and Technical Services
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Mar. 30, 2031
Animal Fund Animal Control Officer Trainers
54 - Professional, Scientific, and Technical Services
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Mar. 01, 2034
Fisheries, Hatchery, and Aquaculture Goods & Services
54 - Professional, Scientific, and Technical Services
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Oct. 31, 2030
Spay\/Neuter Voucher Program
54 - Professional, Scientific, and Technical Services
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Mar. 31, 2034
612187 Bridge Replacement
54 - Professional, Scientific, and Technical Services
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Aug. 21, 2026
612004 Mystic River Bicycle and Pedestrian Bridge, Design-Build
54 - Professional, Scientific, and Technical Services
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Jun. 26, 2026
Project Delivery Services for Design-Build Redevelopment
54 - Professional, Scientific, and Technical Services
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May. 27, 2026
Design-Engineering Services for a New Sprinkler System
54 - Professional, Scientific, and Technical Services
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Jun. 01, 2026
Great Road (Route 2A\/119) Corridor Redesign
54 - Professional, Scientific, and Technical Services
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May. 27, 2026
Architectural-Engineering (A-E) Services for Hazardous, Toxic, and Radioactive Waste (HTRW) Services for Various Locations within the U.S. Army Corps of Engineers (USACE) New England District (NAE) mission boundaries (ME, NH, VT, MA, CT, and RI) and other
54 - Professional, Scientific, and Technical Services
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May. 28, 2026
Survey and Design Services - Prince Cove Sewer Expansion Project
54 - Professional, Scientific, and Technical Services
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May. 25, 2026
DPW Headquarters Design
54 - Professional, Scientific, and Technical Services
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May. 27, 2026

Showing 2101–2150 of 5150 bids that are currently: Active.