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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 5368 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 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
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
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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Sep. 30, 2026
SPEED Act - Permit Type: Mining Gen
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 30, 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
Member Physical Examinations
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 01, 2026
Inter City Bus Consulting
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 25, 2026
Annual Unit Inspections: Pre-REAC\/NSPIRE
54 - Professional, Scientific, and Technical Services
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May. 22, 2026
UTILITY CONSULTING AND ADMINISTRATIVE SUPPORT SERVICES
54 - Professional, Scientific, and Technical Services
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May. 29, 2026
Medical Malpractice Defense Counsel
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 27, 2026
Bond Counsel Services
54 - Professional, Scientific, and Technical Services
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May. 27, 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
Workforce Analysis Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 11, 2026
Fiscal Compliance
54 - Professional, Scientific, and Technical Services
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Jun. 26, 2026
5 Year Repair LTC for Various NIINS
54 - Professional, Scientific, and Technical Services
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May. 21, 2026
ROUNDTOP RFI
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 01, 2026
DLA Distribution Professional Analytical Services (DDPAS) ID\/IQ
54 - Professional, Scientific, and Technical Services
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Jun. 15, 2026
Biosense Webster Request for Information
54 - Professional, Scientific, and Technical Services
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Jun. 08, 2026
Fish Nursery Operator
54 - Professional, Scientific, and Technical Services
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Jun. 04, 2026
Technical Assistance
54 - Professional, Scientific, and Technical Services
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Jun. 09, 2026
Certified Peer Specialist
54 - Professional, Scientific, and Technical Services
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Jun. 04, 2026
ADA MENTOR PROTEGE PILOT PROGRAM
54 - Professional, Scientific, and Technical Services
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Jul. 02, 2026
Legal Services for Aging Adults
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 22, 2026
Language Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 31, 2031
Language Access Services
54 - Professional, Scientific, and Technical Services
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Jun. 05, 2026
WC PRISON\/JUVENILE AND ADULT PROBATION\/PARK POLICE\/SHERIFF\u2019S OFFICE RANDOM EMPLOYEE DRUG TESTING
54 - Professional, Scientific, and Technical Services
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Jun. 09, 2026
Federal Litigation Services
54 - Professional, Scientific, and Technical Services
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Nov. 01, 2026
Public Safety for a Special Services Vehicle
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 28, 2026
Maintenance and Inspection of Fire, Burglar and Panic Alarms and Fire Suppression and Fire Protection Systems.
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 15, 2026

Showing 3601–3650 of 5368 bids that are currently: Active.