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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 3501–3550 of 5438 bids that are currently: Active.
Denotes bidding opportunities that have been amended
| Pennsylvania - US | Agency | Bid Type | Due Date | As PDF |
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Reservoir Park Master Plan
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 06, 2026 |
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Sources Sought Notice for Architect-Engineer Indefinite Delivery Indefinite Quantity (A-E IDIQ) Contract for Naval Architecture and Marine Engineering Design Services for barges and non-self-propelled floating plant
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Jun. 26, 2026 |
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TVM Site Prep
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 02, 2026 |
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Construction Management and Inspection Services For Bridge Preservation
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 29, 2026 |
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Machinery Arrangement Support Request for Proposal
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Jun. 30, 2026 |
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Traffic Study
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Aug. 03, 2026 |
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Construction Inspection & Management Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 06, 2026 |
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Scale Inspections
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 24, 2026 |
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Corporate: E26-172 Floor & D\u00E9cor - Energy Management Controls and Commissioning
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 07, 2026 |
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CATCH THE RAIN PROGRAM LANDSCAPE DESIGN CONSULTANT SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 06, 2026 |
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Camp Hill - New Medical Center
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 15, 2026 |
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Game Commission Statewide Surveyor Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 15, 2026 |
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Corporate: Sheetz - Blast Freezer Project - General Contracting
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 26, 2026 |
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Impedence Measurement Device (IMD)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Jun. 30, 2026 |
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Design\/Build Curb Ramp Project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 06, 2026 |
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PROFESSIONAL ARCHITECTURAL AND ENGINEERING SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 08, 2026 |
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Infrastructure Sustainability & Modernization Assessment
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 22, 2026 |
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Sources Sought for Indefinite Delivery, Indefinite Quantity (IDIQ) Multiple Award Task Order Contract (MATOC) for Multidisciplinary Architectural and Engineering (A\/E) Design Services for Vertical Construction
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Jul. 16, 2026 |
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Environmental and Electrical Testing of Powerflex 755TR
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Jun. 30, 2026 |
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Obsolescence Engineering Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Jun. 30, 2026 |
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Hangar Divisional Door 75HP Controller
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Jul. 01, 2026 |
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Upkeep of Oxygen Production and Storage Systems
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Jul. 01, 2026 |
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Plumbing Upgrade Phase 3 A&E Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Jun. 29, 2026 |
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Henderson Building Renovation - Surveying
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 08, 2026 |
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New Construction Vouchers
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 03, 2026 |
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General Architecture and Engineering Contract Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 21, 2026 |
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CONTRACTOR TO PERFORM EM AND GROUND PENETRATING RADAR SURVEY
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 25, 2026 |
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Financial Advisory Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 09, 2026 |
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Customer Payment Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 07, 2026 |
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Transportation Department Operational Audit
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 08, 2026 |
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Energy Supply and Management Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 31, 2034 |
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Energy Supply and Management Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 31, 2034 |
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Energy Supply and Management Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 30, 2030 |
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GESA - Tech Park
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 29, 2026 |
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Artificial Intelligence Integration Center (AI2C) - Broad Agency Announcement (BAA)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Jul. 16, 2026 |
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Disaster Relief, All-Hazards, and Cybersecurity Planning Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 24, 2026 |
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AUTOMATED PARKING GUIDANCE AND OPERATIONAL CCTV SYSTEMS - PHASE 2
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 25, 2026 |
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Construction of an ITS system
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 16, 2026 |
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Homeless Management Information System and Data Consultant
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 25, 2026 |
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Learning Management Systems
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 07, 2026 |
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COMPREHENSIVE HEALTH CARE DELIVERY SYSTEM AND PROGRAM PROJECT
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 25, 2026 |
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Maintenance of Intelligent Transportation System
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 02, 2026 |
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Legal Enterprise Management\/Contract Management\/Matter Management Systems
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 07, 2026 |
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RFIARTIFICIALINTELLIGENCEANDADVANCEDANALYTICSSERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Jun. 26, 2026 |
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Facility Security Enhacements - Commercial Doors, Video Intercoms, Public Address System
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 26, 2026 |
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Special Education IEP Software and Case Management System
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 30, 2026 |
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Solid Waste Management Plan Revision
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 08, 2026 |
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Corporate: E26-172 Floor & D\u00E9cor - Port Assignments
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 07, 2026 |
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Multiple Award Schedule
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Oct. 07, 2026 |
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Metal Casting BAA 0001-21
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Jun. 30, 2026 |
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