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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 3001–3050 of 6093 bids that are currently: Active.
Denotes bidding opportunities that have been amended
| Mississippi - US | Agency | Bid Type | Due Date | As PDF |
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Implementation Partner for Fischer International Identity
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 07, 2026 |
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GROUP COMMUNICATION, RESOURCE, AND SCHEDULING APPLICATION
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 29, 2026 |
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Classroom Response System
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 14, 2026 |
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M+P Vibration Controller
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Apr. 10, 2026 |
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Employee Assistance Program w\/ Mobile Tool
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 20, 2026 |
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Cafeteria Plan Administration Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 24, 2026 |
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Broad Other Transaction Authority Announcement (BOTAA) for Military Engineering and Engineered Resilient Systems
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Oct. 02, 2026 |
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Mississippi Valley Division Civil Works Areas of Interest Commercial Solutions Openings
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | May. 31, 2026 |
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Mississippi Valley Division Civil Works Areas of Interest Commercial Solutions Openings
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | May. 31, 2026 |
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Mississippi Valley Division Civil Works Areas of Interest Commercial Solutions Openings
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | May. 31, 2026 |
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BEDENBAUGH
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 28, 2026 |
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Campus Student Housing Study\/Student Housing Needs Assessment
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 16, 2026 |
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Hattiesburg Campus Student Housing Study\/Student Housing Needs Assessment
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 16, 2026 |
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Breast and Cervical Cancer Program - Health Systems Surveyor\/Evidence-Based Intervention Consultant
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 28, 2026 |
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Compliance Assistance for the Phase I Municipal Separate Storm Sewer System
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 28, 2026 |
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Argon Conceptual Systems - Comprehensive operational management, technical oversight, and sustainment of the Trelew Meteor Radar (TreMoR)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Apr. 10, 2026 |
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Debris Removal and Disposal Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 21, 2026 |
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Disaster Debris Monitoring Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 21, 2026 |
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| Missouri - US | Agency | Bid Type | Due Date | As PDF |
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Professional Engineering Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 09, 2026 |
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Skyhaven Airport On-Call Professional Architect\/Engineer Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 15, 2026 |
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Construction Supervision and Material Testing for the Reconstruction of Runway
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 14, 2026 |
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Design Build: City Hall First Floor Utility Customer Service and Treasury Remodel
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 17, 2026 |
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Good Parkway South Trail Improvements Design
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 15, 2026 |
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Professional Engineering\/Architectural\/Planning\/Design Services for Construction of New Emergency Operations Center
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 09, 2026 |
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Notice of Intent \u2013 TMPC Core Subsystems - Tapestry
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Apr. 09, 2026 |
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Design Services for a New Municipal Services Operations Center
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 17, 2026 |
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Design New Melle Sundust Preserve
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 09, 2026 |
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657-25-106 Correct Various HVAC, Vertical Transportation & Refrigeration Deficiencies
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Apr. 15, 2026 |
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Design Services for The Big Creek Excess Flow Holding and Pump Station Project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 23, 2026 |
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Design and Installation of Park Improvements at Longview Community Center
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 24, 2026 |
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Rec-Plex North AHU 2 & 3 Design
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 23, 2026 |
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Design and Build Services for a Material Recovery Facility
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 12, 2026 |
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Former Nebraska Ordnance Plant (FNOP) near Mead, NE, SATOC Synopsis
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | May. 07, 2026 |
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Professional Auditing Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 21, 2026 |
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Audit Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 16, 2026 |
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INDEPENDENT ANNUAL AUDIT SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 30, 2026 |
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Performance Audit Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 24, 2026 |
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State Park Facilities and Concessions Performance Audit Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 28, 2026 |
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Financial Management and Payroll Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 30, 2026 |
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Advertising Delinquent Land Tax Suits & Sales
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 14, 2026 |
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University Trademark Licensing
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 30, 2026 |
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Marketing and Advertising Services Utilizing Varsity Intercollegiate Athletes
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 22, 2026 |
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Bissell ORS SCADA PLC And Telemetry Upgrades
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 20, 2026 |
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Information Security Governance & Policy Framework Development
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 23, 2026 |
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NGA Police Modernization
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Apr. 30, 2026 |
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G6 AV\/IT
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Apr. 13, 2026 |
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Customer Information System (CIS) and Customer Self-Service (CSS) Implementation Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 24, 2026 |
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EnCaption 4 Closed Captioning SLA (VA-26-00048911) Avery\/Morgan
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Apr. 15, 2026 |
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OT SCADA and IT Network Cybersecurity Assessment and Improvement Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 12, 2026 |
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City Website
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 15, 2026 |
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