Subsector, NAICS 541
Professional, Scientific, and Technical Services
39,369 opportunities since January 1, 2024, 424 open now. The NAICS code sets which size standard applies to a small-business set-aside.
Within this subsector
Page 247
38,948 closed, awarded or informational, newest first.
- Integrated Communications and Digital Adoption
Defense Threat Reduction Agency, Defense Threat Reduction Agency
Sources soughtNAICS 541840Fort Belvoir, VAHDTRA126RXXX1Posted Nov 14, 20252 publications - Diagnostic Reference Laboratory Testing Services
Indian Health Service, Phoenix Area Indian Health SVC
Special noticeNAICS 541380Phoenix, AZIHS1519990Posted Nov 14, 2025 - PIMC Lad Testing
Indian Health Service, Phoenix Area Indian Health SVC
Sources soughtBuy IndianNAICS 541380Phoenix, AZIHS1519990BPosted Nov 14, 2025 - Architectural & Engineering (A&E) Support Services
Department of the Navy, NSWC Dahlgren
Sources soughtSmall businessNAICS 541310Dahlgren, VAN00178-26-Q-0002Posted Nov 14, 2025 - R699 - USNCC Data Analytics and Data Science Support Services
Department of the Navy, NAVSUP FLT Log CTR Norfolk
Sources sought8(a)NAICS 541511N001892026041Posted Nov 14, 2025 - SP-POL-CMP-INSPECT-FY26-ELM
Department of the Army, W071 Endist Omaha
Combined synopsis and solicitationSDVOSB sole sourceNAICS 541990PANNWD25Q026816Posted Nov 14, 20253 publications - FPI IT Security Support
Federal Prison Industries, INC, Federal Prison Industries, INC
JustificationNAICS 541519Bowie, MDPRC-JA-26003Awarded to Questtech Systems LLC
Posted Nov 14, 2025 - U.S. Army Kwajalein Atoll Requirements (Range Operations, Base Operations, and C4IM)
Department of the Army, W6QK ACC-RSA
Special noticeNAICS 541715Redstone Arsenal, ALW9113M-FY25-KWAJPosted Nov 14, 20256 publications - Engineering and Construction Management Services
Department of the Army, W072 Endist Huntington
Award noticeNAICS 541330Huntington, WVW9123725RA001Awarded to MPR Associates, Inc. for $90,000,000
Posted Nov 14, 20255 publications - MATOC for General Architect Engineering services
Department of the Army, W2SD Endist New York
Combined synopsis and solicitationNAICS 541330New York, NYW912DS26RA003Posted Nov 14, 20256 publications - Strategic Environmental Research and Development Program Core Broad Agency Announcement
Department of the Army, W4LD USA Hecsa
PresolicitationNAICS 541715W912HQ26S0001Posted Nov 14, 20252 publications - Water Sediment Operations Sampling Services Master Blanket Purchase Agreement (BPA)
Department of the Army, W2R2 USA Engr R & D CTR
Combined synopsis and solicitationSmall businessNAICS 541370Vicksburg, MSW912HZ26RA002Posted Nov 14, 20255 publications - BRANDT ISLAND PUMPOUT SUBSURFACE INVESTIGATION
Department of the Army, W074 Endist Wilmington
Award noticeNAICS 541360Morehead City, NCW912PM25QA020Awarded to Richard Catlin & Associates Inc. for $399,685
Posted Nov 14, 20256 publications - 26-54-0010 Raytheon IDIQ PoP Extension
Department of the Navy, NSWC Philadelphia Div
Special noticeNAICS 541512Philadelphia, PA26-65-0010Posted Nov 13, 2025 - IBM z/OS Software License and Maintenance Products
Offices, Boards and Divisions, Jmd-Procurement Services Section
JustificationNAICS 541519Washington, DC15JSDS-26-PR-0003Awarded to Sdvo Solutions, LLC for $29,043
Posted Nov 13, 20252 publications - 608-26-008, AE Improve Bldg. 1 Accessibility & Upgrade Campus Elevators
Department of Veterans Affairs, 241-Network Contract Office 01
Sources soughtSDVOSBNAICS 541330Manchester, NH36C24126R0028Posted Nov 13, 2025 - Renovate Building 135 36C24625R0028 (590-25-101)
Department of Veterans Affairs, 246-Network Contracting Office 6
Award noticeSDVOSBNAICS 541330Hampton, VA36C24625R0028Awarded to Dav Energy Solutions, Inc. for $1,621,985
Posted Nov 13, 20253 publications - BOILER PLANT SAFETY DEVICE TESTING
Department of Veterans Affairs, 246-Network Contracting Office 6
Award noticeSDVOSBNAICS 541380Hampton, VA36C24626Q0084Awarded to Citrine LLC for $5,500
Posted Nov 13, 20255 publications - 621-24-112- A/E Renovate B34 Clock Tower for Physical Therapy
Department of Veterans Affairs, 249-Network Contract Office 9
Award noticeSDVOSBNAICS 541330Tennessee36C24925R0051Awarded to Ffe Environmental Services Inc. for $1,297,478
Posted Nov 13, 20252 publications - Patient Recruitment and Advertising Vascular Dysfunction Research Study Pre-solicitation Notice with Intent to Sole Source
Department of Veterans Affairs, Rpo East
Special noticeNAICS 54181036C24E26Q0005Posted Nov 13, 2025 - Conditions & Life Safety Assessment in support of the Sioux Falls VSHCS
Department of Veterans Affairs, Network Contract Office 23
Sources soughtNAICS 541350Sioux Falls, SD36C26326Q0132Posted Nov 13, 2025 - Region 3: The purpose of the Superfund Technical A
Environmental Protection Agency, Region 3 Contracting Office
Award noticeNAICS 54162068HE0324R0010Awarded to Weston Solutions Inc. for $67,333,101
Posted Nov 13, 20256 publications - Draft RFP - Technical Expertise and Support Services for FHWA Office of Safety
Federal Highway Administration, 693JJ3 Acquisition and Grants MGT
SolicitationNAICS 541990Washington, DC693JJ325R000004Awarded to Softek Services Inc.
Posted Nov 13, 20255 publications - **IRA FUNDED**Design Changes & Drawing Services - B34 AASC
Department of Energy, National Energy Technology Laboratory
Award noticeNAICS 541330Pittsburgh, PA89243326CFE000103Awarded to DRS Architects Inc. for $92,388
Posted Nov 13, 2025 - MAKING OBSTETRIC CARE SMART (MOCS)
National Institutes of Health, Advanced Research Projects Agency for Health (Arpa-H)
Special noticeNAICS 54171Washington, DCARPA-H-SN-26-141Posted Nov 13, 2025 - PureStorage for FDIC
Federal Deposit Insurance Corporation
SolicitationNAICS 541519Arlington, VACORHQ-25-Q-0480Posted Nov 13, 2025 - Testing of Contractor-Provided construction materials
Department of the Air Force, FA5025 356 Eceg PK
Sources soughtSmall businessNAICS 541380Northern Mariana IslandsFA502526SS001Posted Nov 13, 2025 - Integrated Communications and Digital Adoption
Defense Threat Reduction Agency, Defense Threat Reduction Agency
Sources soughtNAICS 541840HDTRA126R0001Posted Nov 13, 20253 publications - SSAE 18 Examinations and Financial Statement Audits Blanket Purchase Agreement
Defense Finance and Accounting Service, Defense Finance and Accounting SVC
JustificationNAICS 541211Alexandria, VAHQ042321Q0006Awarded to Sikich Cpa LLC
Posted Nov 13, 20252 publications - SSAE 18 Examinations and Financial Statement Audits Blanket Purchase Agreement
Defense Finance and Accounting Service, Defense Finance and Accounting SVC
JustificationNAICS 541211New York, NYHQ042321Q00065001Awarded to Ernst & Young LLP
Posted Nov 13, 2025 - SSAE 18 Examinations and Financial Statement Audits Blanket Purchase Agreement
Defense Finance and Accounting Service, Defense Finance and Accounting SVC
JustificationNAICS 541211McLean, VAHQ042321Q00065003Awarded to KPMG LLP
Posted Nov 13, 2025 - SSAE 18 Examinations and Financial Statement Audits Blanket Purchase Agreement
Defense Finance and Accounting Service, Defense Finance and Accounting SVC
JustificationNAICS 541211Washington, DCHQ042321Q00065005Awarded to Williams, Adley & Company DC LLP
Posted Nov 13, 2025 - SSAE 18 Examinations and Financial Statement Audits Blanket Purchase Agreement
Defense Finance and Accounting Service, Defense Finance and Accounting SVC
JustificationNAICS 541211Arlington, VAHQ042321Q00065006Awarded to Rma Associates LLC
Posted Nov 13, 2025 - METSS-II-REV5
Department of Defense, Department of Defense
Special noticeNAICS 541512IllinoisMETSS-II-REV5Posted Nov 13, 2025 - R&D Survivability & Fire Protection Systems Development
Department of the Navy, Naval Research Laboratory
Special noticeNAICS 541715Washington, DCN00173-26-NOI-MR07Posted Nov 13, 2025 - Solicitation issued as 100% Small Business Set-Aside for Medical Physicist Services for the Fort Thompson Indian Health Service Unit, Fort Thompson SD
Indian Health Service, Great Plains Area Indian Health SVC
SolicitationSmall businessNAICS 541380Fort Thompson, SDRFQ-FORT-2026-7Posted Nov 13, 2025 - SOLICITATION NUMBER 383413 “INDUSTRIAL HYGIENE (IH) PROGRAM- BMA”
Department of Energy, Hanford Tank Waste Operations & Closure LLC - DOE Contractor
Sources soughtNAICS 541380WashingtonSOLICITATION_NUMBER_383413Posted Nov 13, 2025 - Test, Evaluation, and Support Team 4 (TEST4)
National Aeronautics and Space Administration, NASA Johnson Space Center
Sources soughtNAICS 541715Las Cruces, NMTEST4_Sources_SoughtPosted Nov 13, 20253 publications - Facilities and Asset Management RFI
US Customs and Border Protection, Administration Facilities Training Contracting Division
Sources soughtNAICS 541611TomahawkPosted Nov 13, 2025 - Rapid Advanced Prototyping, Threat Environments, and Representation (RAPTER)
Department of the Army, W6QK ACC-RSA
Sources soughtNAICS 541330Redstone Arsenal, ALW58SFN-26-R-0051Posted Nov 13, 20257 publications - “Chemical-Free Light-Driven Destruction of Per- And Polyfluoroalkyl Substances (PFASs) Using Non-Toxic Boron Nitride (BN)”
Department of the Army, W4LD USA Hecsa
Award noticeNAICS 541715W912HQ26A008Awarded to WILLIAM MARSH RICE UNIVERSITY Houston for $1,387,676
Posted Nov 13, 2025 - Standardizing Energy Resilience Analyses for Installation Design and Investment
Department of the Army, W4LD USA Hecsa
Award noticeNAICS 541715Tempe, AZW912HQ26CA003Awarded to Arizona State University for $575,000
Posted Nov 13, 2025 - Evaporative Cooling Infrastructure: Leveraging Stormwater Runoff for Urban Heat Island Mitigation
Department of the Army, W4LD USA Hecsa
Award noticeNAICS 541715Knoxville, TNW912HQ26CA007Awarded to University of Tennessee for $578,604
Posted Nov 13, 2025 - Fire and Smoke Damper Inspection and Service Contract
Department of Veterans Affairs, 241-Network Contract Office 01
Combined synopsis and solicitationSDVOSBNAICS 54135036C24126Q0052Posted Nov 12, 20253 publications - Chemical Hoods and HEPA Filters Testing & Maintenance
Department of Veterans Affairs, 250-Network Contract Office 10
Award noticeSDVOSBNAICS 541620Indianapolis, IN36C25025Q0895Awarded to Health Systems Sciences, LLC for $451,669
Posted Nov 12, 20254 publications - Lynx Computer Duress Software Maintenance and Technical Support
Department of Veterans Affairs, Network Contract Office 19
Sources soughtNAICS 54151936C25926Q0089Posted Nov 12, 2025 - SF-Legionella Water Testing | Base + 4
Department of Veterans Affairs, 261-Network Contract Office 21
Award noticeSDVOSBNAICS 541380San Francisco, CA36C26126Q0045Awarded to Hyperion Biotechnology, Inc. for $512,028
Posted Nov 12, 20253 publications - Electrical Distribution System Condition Assessment/ARC Flash
Department of Veterans Affairs, 261-Network Contract Office 21
Sources soughtNAICS 541330Urban Honolulu, HI36C26126Q0155Posted Nov 12, 20252 publications - Jacksonville, NC Initial Outfitting Transition & Activation (IOTA) Services Contract
Department of Veterans Affairs, Pcac
Award noticeSDVOSBNAICS 541614Jacksonville, NC36C77625Q0253Awarded to Go Energistics, LLC for $968,092
Posted Nov 12, 20257 publications - ISBEE/IEE: VanDyke Software and Maintenance Services (Base + 4)
Indian Health Service, Division of Acquisitions Policy HQ
Sources soughtBuy IndianNAICS 541519Rockville, MD75H70426Q00005Posted Nov 12, 2025