Subsector, NAICS 541
Professional, Scientific, and Technical Services
4,893 opportunities since June 19, 2026, 445 open now. The NAICS code sets which size standard applies to a small-business set-aside.
Within this subsector
Open now
445 accepting responses, soonest first.
- 2026 RFO HAYSTACK WELL WATER ANALYSIS
Bureau of Land Management, Colorado State Office
SolicitationSmall businessNAICS 541380140L1726Q0065Closes todaySep 16 - Unfired Pressure Vessel Inspections
Department of the Army, W6QK ACC-APG Cont CT Tyad Ofc
Combined synopsis and solicitationSmall businessNAICS 541380PennsylvaniaW51AA126QA090Closes todaySep 16 - Labor Support for Watervliet Arsenal (WVA)
Department of the Army, W6QK ACC Wva
Combined synopsis and solicitationNAICS 541330New YorkW911PT-26-Q-A120Closes todaySep 16 - Pine Ridge Environmental Assessment for Great Plai
Bureau of Indian Affairs, Pacific Region
Combined synopsis and solicitationIndian small businessNAICS 541620140A0126Q0049Closes todaySep 16 - Procurement request for Landing Craft Air Cushion (LCAC) 100 Class Composite Propeller Blade Analysis
Department of the Navy, NSWC Carderock
Combined synopsis and solicitationNAICS 541330N0016726Q1156Closes todaySep 16 - Visual and non-destructive vessel inspections and testing on five designated vessels at U.S. Army Corps of Engineers USACE, Fort Worth District CESWFCT, Sam Rayburn Power Plant in Jasper, TX
Department of the Army, W076 Endist FT Worth
SolicitationSmall businessNAICS 541380W9126G26QA122Closes todaySep 16 - Biological Sampling and Analysis Pharmacy Clean Room | start 1 Jan 2027
Department of Veterans Affairs, 261-Network Contract Office 21
Sources soughtNAICS 541380Nevada36C26127Q0034Closes todaySep 16 - Systems Engineering Support (A Dept)
Department of the Navy, NSWC Dahlgren
Sources soughtNAICS 541330N0017827SN3101Closes todaySep 16 - Solicitation N5523626R0007 for Southwest Regional Maintenance Center HME FTA Follow On Engineering Services
Department of the Navy, Southwest Regional Maint Center
SolicitationNAICS 541330CaliforniaN5523626R0007Closes todaySep 16 - Electronic Security System VIII Draft Solicitation
Department of the Army, W2V6 USA Eng SPT CTR Huntsvil
Combined synopsis and solicitationNAICS 541512W912DY26RAX12Closes todaySep 16 - Underground Utility Locating Services
Rural Housing Service, Procurement Management Office
Combined synopsis and solicitationSmall businessNAICS 541370Maryland12C0BA26Q0010Closes todaySep 16 - Worldwide Environmental Engineering Services
Department of State, Acquisitions - Aqm Momentum
SolicitationSmall businessNAICS 541330Virginia19AQMM26R0323Closes todaySep 16 - USMMA - Full Mission Ship Simulator Projection System Life Cycle Replacement
Maritime Administration, 6923G2 DOT Maritime Administration
Combined synopsis and solicitationSmall businessNAICS 541330New York6923G226Q000032Closes todaySep 16 - Cryo-Electron Microscopy (Cryo-EM) Services
National Institutes of Health, National Institutes of Health Olao
Combined synopsis and solicitationNAICS 54171475N98026Q01177Closes todaySep 16 - ONR Portfolio Management and Code 011 Strategy, Policy, Plans, and Assessment (SPPA) Directorate Support Services
Department of the Navy, Office of Naval Research
SolicitationSDVOSBNAICS 541330N0001426R4003Closes todaySep 16 - SeaPort ACU-5 - Administrative Engineering (LCAC) Support Services
Department of the Navy, NAVSUP FLT Log CTR San Diego
SolicitationSmall businessNAICS 541330CaliforniaN0024426R3109Closes todaySep 16 - 82 FSS Automated Student System
Department of the Air Force, FA3020 82 Cons LGC
Combined synopsis and solicitationSmall businessNAICS 541511TexasFA302026Q0087Closes todaySep 16 - Power Quality and EMI Testing USA 50 centrifugal purifier
Department of the Navy, NSWC Philadelphia Div
PresolicitationNAICS 541330PennsylvaniaN6449826SIMACQPD410314Closes todaySep 16 - CDC Biorisk management system framework
Departmental Offices, Ibc Acq SVCS Directorate
Combined synopsis and solicitationNAICS 541611140D0426R0119Closes todaySep 16 - Aircraft Parts Audit
Federal Aviation Administration, 6973GH Franchise Acquisition SVCS
SolicitationSmall businessNAICS 541614Oklahoma6973GH-26-R-00218Closes todaySep 16 - Armory Support Specialist II support services
Department of the Navy, NAVSUP FLT Log CTR Norfolk
Sources sought8(a)NAICS 541614VirginiaN0018926QW355Closes todaySep 16 - BPA FOR VIRUS ISOLATION AND PCR ANALYSIS
US Geological Survey, Ofc of Acquisition Grants-Denver
SolicitationNAICS 541380140G0226Q0122Closes todaySep 16 - CNF WATER SAMPLE TESTING
Forest Service, Usda-Fs, Csa Northwest 4
Combined synopsis and solicitationSmall businessNAICS 541380Alaska1240BF26Q0055Closes todaySep 16 - VEGETATION SURVEY - DISTRICT 10 SOUTH
Bureau of Indian Affairs, Navajo Region
SolicitationIndian small businessNAICS 541690140A0926Q0030Closes todaySep 16 - DISTRICT 18 ENVIRONMENTAL ASSESSMENT
Bureau of Indian Affairs, Navajo Region
SolicitationIndian small businessNAICS 541690140A0926Q0033Closes todaySep 16
Showing the 25 closing soonest of 445.
Everything else
4,448 closed, awarded or informational, newest first.
- BLM-CO FILE GEODATABASE, CREATION, POPUL
Bureau of Land Management, New Mexico State Office
Award noticeNAICS 5413700044050230Awarded to Environmental Solutions & Innovations, Inc. 4525 ESTE AVE Cincinnati for $222,350
Posted Sep 15 - FPRS NDB Security
Usda, Departmental Administration, Usda, Ocp-Pod-Acq-Mgmt-Branch-Ftc
JustificationNAICS 541512Virginia12314426F0376Posted Sep 15 - Notice of Intent to Sole Source - Metabolomic Analysis
Agricultural Research Service, USDA ARS Afm Apd
Special noticeNAICS 541714North Carolina1232SA26Q1503Posted Sep 15 - USDA Forest Service Land Management Integrated Resources BPA (LMIR) - Bean Gulch Heritage Surveys
Forest Service, Rocky MTN Research Station
Award noticeSmall businessNAICS 541620Oregon1240BG26Q0076Awarded to NAKONECHNY, LYLE D Ocean Park for $145,659
Posted Sep 152 publications - Observer Program Gear Team Services
National Oceanic and Atmospheric Administration, Department of Commerce NOAA
Award noticeNAICS 5419901305M326Q0447Awarded to PARYMON Corp. 4625 Cherry Valley Dr Rockville for $79,348
Posted Sep 15 - DNA Next-Generation Amplicon Sequencing Services
National Oceanic and Atmospheric Administration, Department of Commerce NOAA
Award noticeNAICS 5419901305M326Q0456Awarded to OCEAN ASSOCIATES Inc. 4007 N. ABINGDON STREET Arlington for $10,458
Posted Sep 15 - Trademark 5 - Trademark Identification Collaboration System Maintenance and Support
US Patent and Trademark Office, US Patent and Trademark Office
Special noticeNAICS 541512Virginia1333BJ26F00130001Posted Sep 15 - MERRICK-SURDEX JOINT VENTURE GEOSPATIAL PRODUCTS AND SERVICES CONTRACT v4 (GPSC4)
US Geological Survey, Ofc of Acquisition Grants-Denver
Award noticeNAICS 541360140G0226F0189Awarded to MERRICK-SURDEX JOINT VENTURE LLP 5970 GREENWOOD PLAZA BLVD Greenwood Village for $1,976,390
Posted Sep 15 - Digital Services, Geospatial Technical Services
US Geological Survey, Ofc of Acquisition Grants-Denver
Award noticeNAICS 541990140G0226F0272Awarded to XCELLENT TECHNOLOGY SOLUTIONS, Inc. 6801 KENNEDY RD STE 210 Warrenton for $614,147
Posted Sep 15 - L. SORROW - NEW SC
US Geological Survey, Ofc of Acquisition Grants-Denver
Award noticeNAICS 541990140G0226P0233Awarded to Lincoln Michael Sorrow 34 EISENHOWER CT JEFFERSON for $13,902
Posted Sep 15 - NORCAL BUTTE-LARABEE ROAD ASSESSMENT CON
Bureau of Land Management, California State Office
Award noticeSmall businessNAICS 541620140L1226Q0033Awarded to PACIFIC WATERSHED ASSOCIATES Inc. 1652 HOLLY DR McKinleyville for $90,954
Posted Sep 153 publications - DSC NPS Non-Personal Support Services Junior Analyst/ Technician
National Park Service, DSC Contracting Services Division
Award noticeNAICS 541620140P2026Q0008Awarded to Clark Group, LLC, the 137 Elm Street, Suite 1 Montpelier for $240,156
Posted Sep 15 - MINUTE MAN NHP - PRE-DEMO HAZMAT SURVEY
National Park Service, Ner Services Mabo
Award noticeSmall businessNAICS 541620Massachusetts140P4326Q0061Awarded to MABBETT & ASSOCIATES, Inc. 105 CENTRAL ST Stoneham for $27,180
Posted Sep 153 publications - INDU Wastewater AE Design Services
National Park Service, MWR Midwest Region
Award noticeNAICS 541310140P6026R0011Awarded to HDR ENGINEERING Inc. 1917 S 67TH ST Omaha for $549,891
Posted Sep 15 - GRSA Security Sys AE Design Services
National Park Service, MWR Midwest Region
Award noticeNAICS 541330140P6026R0023Awarded to OTAK, Inc. 808 SW 3RD AVE Portland for $64,555
Posted Sep 15 - Turbine and Transformer Oil Testing for Hoover Dam
Bureau of Reclamation, Lower Colorado Regional Office
Award noticeSmall businessNAICS 541380140R3026Q0094Awarded to KOLMIST GROUP LLC 12915 ATKINS CIRCLE DR APT 203 Charlotte for $0
Posted Sep 154 publications - LOWER PROVO RIVER FLOW RECOMMENDATIONS
Bureau of Reclamation, Upper Colorado Regional Office
Award noticeNAICS 541620140R4026F0105Awarded to ALLRED RESTORATION, Inc. 5725 W 12000 N Tremonton for $395,683
Posted Sep 15 - General A-E Services IDIQ - Stantec
Bureau of Reclamation, Upper Colorado Regional Office
Award noticeNAICS 541330140R4026Q0096Awarded to STANTEC CONSULTING SERVICES Inc. 370 INTERLOCKEN BLVD STE 200 Broomfield for $112,083
Posted Sep 15 - IMT RiverWare Software Support IDIQ
Bureau of Reclamation, Upper Colorado Regional Office
Award noticeNAICS 541511140R4026Q0099Awarded to The Regents of the University of Colorado 3100 MARINE ST STE 481 Boulder for $8,600,000
Posted Sep 153 publications - TSC 2026 DAS INTERROGATOR UNIT
Bureau of Reclamation, Upper Colorado Regional Office
Award noticeSmall businessNAICS 541715140R4026Q0106Awarded to Febus Inc. 15040 N Eldridge Pkwy Ste a Cypress for $118,449
Posted Sep 153 publications - Construction Support Professional Services IDIQ
Bureau of Reclamation, Denver Fed Center
Award noticeNAICS 541330140R4026R0026Awarded to COLORADO NETWORK STAFFING, Inc. 8787 TURNPIKE DR STE 220 Westminster for $107,297
Posted Sep 15 - CANCELLATION- DESIGN KITCHEN MODERNIZATION PROJECT
Department of State, U.S. Embassy Bogota
Special noticeNAICS 541330ColoradoPosted Sep 15 - CANCELATION-CMR PERIMETER WALL REINFORCEMENT DESIGN
Department of State, U.S. Embassy Bogota
Special noticeNAICS 541330Colorado19C02026Q0030Posted Sep 154 publications - Notice of Intent - Sole Source - SOG Assessment
US Customs and Border Protection, Border Enforcement Contracting Division
Special noticeNAICS 541611Texas20158444Posted Sep 15 - Microsoft 365 and PowerApps Workforce Reinforcemen
Nuclear Regulatory Commission, Nuclear Regulatory Commission
Award noticeNAICS 541519Maryland31310026Q0015Awarded to OBSIDIAN GLOBAL, LLC 1055 Thomas Jefferson St. NW Suite 310 Washington for $26,237,952
Posted Sep 15 - Sole Source Miami VA Wayfinding Patient Navigation System
Department of Veterans Affairs, Technology Acquisition Center NJ
Award noticeNAICS 54151136C10B26C0075Awarded to MINUTEMAN TECHNOLOGY SERVICES LLC Marblehead for $842,864
Posted Sep 15 - New: VISN 10 Powerscribe License and Maintenance Contract (VA-26-00076291)
Department of Veterans Affairs, Technology Acquisition Center NJ
Award noticeSDVOSBNAICS 54151936C10B26F0339Awarded to V3GATE, LLC Colorado Springs for $409,615
Posted Sep 15 - Project Name: Regional Office Second Floor Renovations (A-E) Station Location: Anchorage, Alaska, VARO; Station Number: 463; Project Location: Second Floor - Anchorage VA Medical Center
Department of Veterans Affairs, Veterans Benefits Admin
Award noticeSDVOSBNAICS 541310Alaska36C10D24R0010Awarded to BLUE TRIDENT, LLC Bainbridge Island for $466,943
Posted Sep 15 - FY26: Radiation Safety Officer Services
Department of Veterans Affairs, 248-Network Contract Office 8
Award noticeSDVOSBNAICS 541690Florida36C24826P1306Awarded to LBT DIAGNOSTIC RADIATION PHYSICS CONSULTING Ltd. Las Vegas for $74,500
Posted Sep 15 - Legionella and Dental Water Line Sampling
Department of Veterans Affairs, 248-Network Contract Office 8
Combined synopsis and solicitationSmall businessNAICS 541620Florida36C24826Q1020Posted Sep 154 publications - FY27 NRM (PROJ 548-23-112) AE CPS - Exterior Signage and Wayfinding
Department of Veterans Affairs, Department of Veterans Affairs
Special noticeSDVOSBNAICS 541330Florida36C24827R0008Posted Sep 15 - Machine Learning Analytics for Total Brain Diagnostics Project
Department of Veterans Affairs, Rpo East
JustificationNAICS 54172036C24E26P0037Awarded to Oregon Health & Science University Portland 97239 for $175,000
Posted Sep 153 publications - Research Services: Editorial Review and Technical Assistance For VAGLAHS - Evidence Synthesis Program (ESP) (Veterans Affairs Greater Los Angeles Health Care System) - Special Notice of Intent to Sole Source
Department of Veterans Affairs, Rpo East
Special noticeNAICS 54199036C24E26Q0112Posted Sep 15 - Research Lab Services - Plasma Analysis for Blood Biomarkers For Bronx VA Medical Center Research Department - Special Notice of Intent to Sole Source
Department of Veterans Affairs, Rpo East
Special noticeNAICS 54138036C24E26Q0128Posted Sep 15 - Imprivata Software maintenance recompete Notice of Award Contract NNG15SD19B 36C10B20F0097B
Department of Veterans Affairs, Technology Acquisition Center NJ
Award noticeNAICS 54151936C25026F0690Awarded to Alvarez LLC Leesburg for $618,940
Posted Sep 15 - Interactive Wayfinding Maps Service
Department of Veterans Affairs, 250-Network Contract Office 10
Award noticeNAICS 541370Ohio36C25026P1023Awarded to AML-AMERICAN MADE LOGISTICS Blythe for $36,000
Posted Sep 15 - Smoke and Fire Damper Inspection
Department of Veterans Affairs, 250-Network Contract Office 10
Special noticeSDVOSBNAICS 541350Ohio36C25026Q0974_A00001Posted Sep 15 - Medical Gas Annual Inspection Services for the OKC VA Medical Center and Lawton/Ft.Sill
Department of Veterans Affairs, Network Contract Office 19
Award noticeSDVOSBNAICS 541350Oklahoma36C25926P0702Awarded to HITE FEDERAL LLC Spokane for $64,000
Posted Sep 15 - Asbestos, Lead Based Paint and other Hazardous Material Survey Testing Services
Department of Veterans Affairs, 262-Network Contract Office 22
Award noticeSDVOSBNAICS 541380California36C26226Q0377Awarded to GDM-AE, Inc. Vancouver for $3,407,203
Posted Sep 153 publications - IDIQ Contract for Architect and Engineer (A/E) Services
Department of Energy, National Energy Technology Laboratory
Award noticeNAICS 541330RFPAwarded to CONVERGE FEDERAL SOLUTIONS JV, LLC 50 HOLBROOK STREET Jamaica Plain for $302,742
Posted Sep 15 - Irrigation District Title Transfers
Bureau of Reclamation, Grand Coulee Power Office
Award noticeNAICS 54162044051445Awarded to HISTORICAL RESEARCH ASSOCIATES, Inc. 125 BANK ST STE 500 Missoula for $509,435
Posted Sep 15 - Multiple Award Schedule
Federal Acquisition Service, Gsa/Fas Furniture Systems MGT Div
Award noticeNAICS 54151147QSMD20R0001Awarded to Yes Yes Know LLC CAMBRIDGE 02142 USA for $500,000
Posted Sep 15346 publications - Penetration testing
Federal Highway Administration, IT Acquisition Center of Excellence (Ace)
JustificationNAICS 541519District of Columbia693JJ320A000018_693JJ323F00304N_P00004Posted Sep 15 - The FHWA Virtual Industry Day Meeting for LTPP Program Engineering Services Contract (LPES)
Federal Highway Administration, 693JJ3 Acquisition and Grants MGT
Special noticeNAICS 541715693JJ3-26-SS-0018Posted Sep 153 publications - Student Administration & Scheduling System (SASS)
Federal Law Enforcement Training Center, FLETC Glynco Procurement Office
JustificationNAICS 541511Georgia70LGLY26RSSB00034Posted Sep 15 - Advancing HIV & AIDS Epidemic Control (AHEC) Project
Department of State, Acquisitions - Aqm Momentum
JustificationNAICS 54161172066821C00001P00025Posted Sep 15 - ORR Process and Technology Modernization (OPTM) Platform and Home Studies/Post-Release Services (HS/PRS) Application Enhancement and Support
Office of the Assistant Secretary for Financial Resources, Omas Strategic Buying Center - HHS Mission
Special noticeNAICS 5415127571MN26Q00111Posted Sep 15 - HHS Enterprise Wide BPA
Office of the Assistant Secretary for Financial Resources, Omas Strategic Buying Center - Professional Services
JustificationNAICS 541519Maryland7571PS26A00003Posted Sep 15 - START - AI Use Case Inventory
Office of the Assistant Secretary for Financial Resources, Omas Strategic Buying Center - Information Technology
JustificationNAICS 541511Maryland7571TE26Q00202Posted Sep 15 - TEPS III for NRLFO Audit I
Department of Energy, NNSA Naval Reactors Lab FLD Office
Award noticeSmall businessNAICS 54161189233026QNR000057Awarded to CENPEC, LLC 20251 Century BLVD STE 300 Germantown for $235,958
Posted Sep 154 publications