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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 3951–4000 of 6001 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Pennsylvania - US Due Date
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
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
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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
FY2026 USPS OIG Broad Agency Announcement
54 - Professional, Scientific, and Technical Services
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Sep. 30, 2026
Multiple Award Schedule
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 23, 2030
Naval Surface Warfare Center Philadelphia MAC Task Order Forecast FY26
54 - Professional, Scientific, and Technical Services
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Sep. 30, 2026
SPEED Act - Permit Type: CAFO
54 - Professional, Scientific, and Technical Services
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Dec. 31, 2026
SPEED Act - Permit Type: Mining Gen
54 - Professional, Scientific, and Technical Services
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Dec. 31, 2026
FY2026 USPS OIG Broad Agency Announcement
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 30, 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)
Apr. 01, 2031
FY2026 USPS OIG Broad Agency Announcement
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 30, 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
FY26 Naval Surface Warfare Center Philadelphia LRAE & MAC TO Forecast
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 31, 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
Multiple Award Schedule
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 03, 2031
DLA Distribution Business Opportunities Forecast
54 - Professional, Scientific, and Technical Services
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May. 31, 2027
OVR Enhanced Driving\/Ancillary Services
54 - Professional, Scientific, and Technical Services
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Aug. 31, 2026
Development and Redevelopment Legal Counsel
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 31, 2026
DLA Battery Network IV (BATTNET) Broad Agency Announcement
54 - Professional, Scientific, and Technical Services
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Aug. 09, 2031
SWITCH DISTRIB MODU, IN REPAIR\/MODIFICATION OF
54 - Professional, Scientific, and Technical Services
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Sep. 25, 2026
Comprehensive Site Evaluations
54 - Professional, Scientific, and Technical Services
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Sep. 03, 2026
FERCCA Case Processing
54 - Professional, Scientific, and Technical Services
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Aug. 31, 2026
ISO 17025
54 - Professional, Scientific, and Technical Services
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Aug. 28, 2026
Leadership Development Consultant
54 - Professional, Scientific, and Technical Services
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Sep. 11, 2026
Accreditation Services
54 - Professional, Scientific, and Technical Services
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Sep. 09, 2026
Consultant Services For Development Of Strategic Plan
54 - Professional, Scientific, and Technical Services
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Sep. 15, 2026
Intent to sole source - Miniaturized CO2 Sensor Prototype Development and Novel Physiologic Gas Monitoring Research
54 - Professional, Scientific, and Technical Services
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Sep. 08, 2026
Labeling Pilot for FDF Country of Origin, API Country of Origin, and KSM Country of Origin for Pharmaceutical Products
54 - Professional, Scientific, and Technical Services
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Sep. 23, 2026
Special Legal Counsel
54 - Professional, Scientific, and Technical Services
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Sep. 02, 2026
Notice of Intent to Sole Source - Gut Microbiome DNA Sequencing Services
54 - Professional, Scientific, and Technical Services
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Sep. 01, 2026
ISO 17025
54 - Professional, Scientific, and Technical Services
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Aug. 28, 2026
Co-Developer Services
54 - Professional, Scientific, and Technical Services
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Sep. 29, 2026
KLS Martin Request for Information
54 - Professional, Scientific, and Technical Services
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Sep. 25, 2026

Showing 3951–4000 of 6001 bids that are currently: Active.