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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 3601–3650 of 5162 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Pennsylvania - US Due Date
Defense Logistics Information Research (DLIR)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 01, 2026
DLA Emergent IV Research and Development Program
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 12, 2027
DLA Emergent IV Research and Development Program
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 12, 2027
Multiple Award Schedule
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 07, 2029
DLA Emergent IV Research and Development Program
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 12, 2027
DLA Emergent IV Research and Development Program
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 12, 2027
DLA Research and Development; Acquisition Modernization Technology Research (AMTR) SP4701-23-B-0001
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 29, 2028
DLA Emergent IV Research and Development Program
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 12, 2027
Infrastructure Support for Innovation & Performance Department
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 01, 2027
Multiple Award Schedule
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 17, 2029
Multiple Award Schedule
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 18, 2030
DLA Emergent IV Research and Development Program
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 12, 2027
Multiple Award Schedule
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 24, 2030
Metal Casting BAA 0001-21
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2026
Metal Casting BAA 0001-21
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2026
Multiple Award Schedule
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 24, 2030
Multiple Award Schedule
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 25, 2030
Multiple Award Schedule
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 16, 2030
Technologies for Forging
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 12, 2030
Multiple Award Schedule
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 27, 2030
DLA Research and Development; Acquisition Modernization Technology Research (AMTR) SP4701-23-B-0001
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 29, 2028
Trail Junction Center Activation Partnerships
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 07, 2026
FY2026 USPS OIG Broad Agency Announcement
54 - Professional, Scientific, and Technical Services
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Sep. 30, 2026
Outdoor Corps
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 21, 2026
2026 NSWC Philadelphia Division Industry Day
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Feb. 05, 2026
Hydroelectric Generation Development Partner
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 15, 2026
Multiple Award Schedule
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 23, 2030
Allentown Outpatient Clinic IOT&A
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 16, 2026
Johnstown OVR Enhanced Driving\/Anc Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 22, 2025
Allegheny OVR Enhanced Driving\/Anc Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 22, 2025
NCAC Canvassing Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 30, 2025
NAP Environmental Services Single Award Task Order Contract
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 08, 2026
NAP Environmental Services Single Award Task Order Contract
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 08, 2026
Zoning and Code Enforcement Officer Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 22, 2025
Zoning Hearing Board Solicitor
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 22, 2025
Sewage Enforcement Officer
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 22, 2025
Municipal Solicitor
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 22, 2025
Land Use Counsel
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 07, 2026
Naval Surface Warfare Center Philadelphia MAC Task Order Forecast FY26
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 30, 2026
Military Unique Sustainment Technology III (MUSTIII) Research and Development SP4701- 26-B-0001
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 16, 2026
IBEX Industry Capability and Capacity Determination Support for Market Indices
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 16, 2026
Research Core Facility Access to High-Throughput Genomics and Cancer Bioinformatics Pre-solicitation Notice with Intent to Sole Source
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 30, 2025
Military Unique Sustainment Technology III (MUSTIII) Research and Development SP4701- 26-B-0001
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 30, 2026
NAP Environmental Services Single Award Task Order Contract
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 08, 2026
Language Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 31, 2031
Drug Screening Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 22, 2025
Lead Dust Sampling Materials & Analysis
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 06, 2026
Federal Litigation Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 01, 2026
LEGISLATIVE AND GOVERNMENTAL CONSULTING SERVICES
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 12, 2026
Inspection, Maintenance, and Certification of Fire Suppression Systems
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 09, 2026

Showing 3601–3650 of 5162 bids that are currently: Active.