PSC codes › R499
PSC R499 — Other Professional Services: federal contracts
$26.2Bobligated in FY2025
-17.1%change FY2024→FY2025
47open solicitations
59,547new awards, last 12 months
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- FAA Flight Program Operations Support for Organization Designation Authorization (ODA)
- 84 Radar Evaluation Squadron (RADES) Support
- USDA Forest Service Cultural Resource Evaluation and Documentation
- Industrial Control Technician
- Yellow Ribbon Childcare Services
- Search and Rescue Satellite-Aided Tracking (SARSAT) United States Mission Control Center (USMCC) Operations, Maintenance, and Technical Support
- Build America Bureau - Insurance Advisor
- Head Start in State Systems Sole Source Award
- Head Start in State Systems Sole Source Award
- Financial Management Leadership Training
- Senior Advisor Subject Matter Expert (SME) with Pharmaceutical Development and Pain Expertise for the NINDS
- R--CLWTP FISMA Compliance
- Dose Reconstruction and Related Activities to Support NIOSH's Responsibilities under the Energy Employees Occupational Illness Compensation Act (EEOICPA)
- 711th HPW Mission Support Services MAC IDIQ
- USPS EEO Final Agency Decision Services - September 2026 Solicitation
- Medicaid Data Analysis for Bacterial Respiratory Pathogens and Information Systems
- Data & AI Mission Expert Services (DAMES) IDIQ
- Program Analysis and Risk Support (PARS)
- Manufacturing Technology (ManTech) Professional Support Services
- Overseas Professional Support Services
- R--Technical Services Support
- USDA Forest Service Dakota Skipper Habitat Survey and Mapping
- Request for Information - CMS' Qualified Independent Contractor (QIC) Program
- Technical Support Services for the DOE/NNSA Office
- Water Resources Analytical and Professional Support Services - Multiple Award Task Order Contract (MATOC)
- Safety, Prevention, Epidemiology, and Education Development for Health Care and Antimicrobial Resistance - SPEED 2027-2032
- Geographic Information System (GIS) support, prepa
- Quality Assurance Services - Civil Works, Interagency and International Services (IIS), and Military Construction Projects in Puerto Rico and U.S. Virgin…
- Digital Repository Platform and Physical Library Management System
- PROPERTY MANAGMEMENT AND ACCOUNTABILITY SUPPORT SERVICES; PSC R425, NAICS 541330
- Keyport Infrastructure Security Support Services (KISSS)
- R499--Small Business Event | 2026 National Veterans Small Business Engagement | Cleveland Ohio Dec 8-9 | Amendment 16
- Sponsorship Solicitation for MWR Elements of DAF Sports Programs
- Special Notice For Space Systems Command Strategic Services Vehicle (SSSV) Program
- Sole Source- United States Naval Academy NASEC Catering Services
- Brownsville Gateway U.S. Land Port of Entry Art in Architecture
- One Acquisition Solution for Integrated Services Plus (OASIS+) 8(a) Small Business Set-Aside Continuously Open Solicitation
- One Acquisition Solution for Integrated Services Plus (OASIS+) Historically Underutilized Business Zone (HUBZone) Small Business Set-Aside Continuously Open…
- One Acquisition Solution for Integrated Services Plus (OASIS+) Unrestricted Continuously Open Solicitation
- One Acquisition Solution for Integrated Services Plus (OASIS+) Women-Owned Small Business (WOSB) Set-Aside Continuously Open Solicitation
- One Acquisition Solution for Integrated Services Plus (OASIS+) Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside Continuously Open Solicitation
- One Acquisition Solution for Integrated Services Plus (OASIS+) Total Small Business Set-Aside Continuously Open
- Program Executive Office, Defense Healthcare Management Systems (PEO DHMS), Notice of Availability- Innovation Solutions
- NASA Deep Space Autonomous Robotics Challenge: Call for Host Facility Interest
- FY27 Mentor Protege Program (MPP) Broad Agency Announcement
- FY2027 USPS OIG Broad Agency Announcement
- Research and Studies for the Office of Net Assessment
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What PSC R499 covers
Description: Other Professional Services
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Professional Services › Management Advisory Services.
Who is winning new PSC R499 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| THE BOEING COMPANY | $3.8B | 22 |
| SAVANNAH RIVER MISSION COMPLETION, LLC | $2.9B | 3 |
| BOOZ ALLEN HAMILTON INC | $2.8B | 112 |
| GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | $1.3B | 83 |
| SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | $1.3B | 27 |
| DELOITTE CONSULTING LLP | $945.1M | 137 |
| SALIENT CRGT, INC. | $933.2M | 6 |
| HII MISSION TECHNOLOGIES CORP | $855.0M | 3 |
| PERATON INC. | $713.7M | 29 |
| V2X AEROSPACE LLC | $706.5M | 8 |
How competitive is PSC R499?
- 74.1% of obligations on these awards were competed.
- 6.5% of competed awards that report offers drew a single offer (n=100,340).
- 29.3% went to small businesses.
- The five largest contractors hold 27.7% across 7,109 contractors.
NAICS codes used on PSC R499 awards
| NAICS | Industry | Share |
|---|---|---|
| 541611 | Administrative Management and General Management Consulting Services | 15.5% |
| 541330 | Engineering Services | 13.5% |
| 541990 | All Other Professional, Scientific, and Technical Services | 13.4% |
| 541512 | Computer Systems Design Services | 9.1% |
| 336411 | Aircraft Manufacturing | 9.0% |
| 562910 | Remediation Services | 7.3% |
| 541519 | Other Computer Related Services | 3.9% |
| 561210 | Facilities Support Services | 2.8% |
Related PSC codes
R425 Engineering and Technical Services · R408 Program Management/Support Services · AC13 National Defense R&D Services; Department of Defense - Military; Experimental Development · DA01 Business Application/Application Development Support Services (Labor) · DA10 Business Application/Application Development Software As a Service · R699 Other Administrative Support Services · R799 Other Management Support Services · 7A21 Business Application Software (Perpetual License Software)
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