PSC codes › R425
PSC R425 — Engineering and Technical Services: federal contracts
Buyers by office, new entrants and recompetes in FedSift →
Open solicitations
Open any solicitation for a free AI read of its package — deal-breakers and risks, each quoted from the page it came from. With a free account, FedSift also builds its compliance matrix.
- Build America Bureau - Technical Advisor
- Electromagnetic Spectrum (EMS) Information Technology Modernization Support
- Veterinary Services
- YT706 Engines and Life Cycle Support
- Rendezvous Proximity Operations, and Capture (RPOC) VI
- R425--PHARMACY/ALMS HOOD CERTIFICAITON
- IE4 Power RFI
- RPOC-V Ceiling Increase
- PD-42-0014; MTU Diesel Engine Lifecycle Support
- MAVEN FSR
- Data at Rest (DaR) - 400 Obsolescence Resolution
- Draft RFP for DRPM RAS ME RAS 1.0 and MCM RAS 2.0 Professional Support Services
- Pre-Solicitation Notice: NOAA- Satellite Ocean Color System Vicarious Calibration Marine Optical BuoY (MOBY) Operations and Maintenance
- TOTAL ENGINEERING AND INTEGRATION SERVICES (TEIS) IV On-Ramp Opportunity
- R--Sources Sought and RFI (Recompete 68HERC21D0006)
- USAF Special Operations Forces Technical Data Management, Development, and Provisioning Project
- STRAIN GAGE MEASUREMENT
- FDRMC ENGINEERING SUPPORT SERVICES
- **Big Blue 3 MAC** Metal printer alterations will be completed onboard USS IWA JIMA (LHD 7), USS BOXER (LHD 4), LHD 8 (USS MAKIN ISLAND)
- BIG BLUE 3 MAC - N64498-26-Q-5284
- PMA-290 Technical and Engineering Services
- Keyport Logistics and Technical Support Services - Special Notice
- Production and Installation of the Line-of-Sight (LOS) Link 16 system on MC-130J Platforms
- PMCP-SS_RFP
- N6449826Q5279
- Waterjet Support Services
- Engineering Services for the B-52H Stratofortress
- Commercial Maritime Test-Platform and Event-Support Services
- NGATS SOFTWARE SUPPORT
- MIW and SMCM Engineering Support - SEAPORT
- Marketplace for Acquisition of Professional Services (MAPS)
- BIG BLUE MACHALTS
- MODIFIED WC-130J RTP APN-241 WEATHER RADAR SUSTAINING ENGINEERING SUPPORT RESEARCH AND SUPPORT TASK
- Department of Energy Approved Project Facilitator
- $150M UNR SCIF HEMP AE SERVICES MATOC
- Request for Information for U-2 Advanced Synthetic Aperture Radar System -2
- Request for White Papers: Intelligence Resource Execution and Oversight (Project Argus)
- C45 NDI Follow-on
- Multi-Award Multi-Platform OTA
- Core Research Program Technology Transfer & Commercialization Advancement
- CATHODIC PROTECTION SURVEY/INVENTORY/ASSESSMENT SERVICES
- Weapons Effect Solicitation
- Big Blue MAC MACHALT FY27-FY28 MA668/MA688/MA738/MA739
- RFI - TURNKEY INDUSTRIAL PLANT SYSTEMS & SUPPORT (TIPSS) (HAFB)
- Engineering and Technical Services for Support Equipment Department at NAWCADLKE
- AIS Engineering Services for ATE
- Joint Base San Antonio (JBSA) Mission Training Complex (MTC)
- Advanced Safety Research Multiple Award Indefinite Delivery, Indefinite Quantity (IDIQ)
- NAWCWD FY26 Industry Day
- NAWCWD California Contracting/Acquisition/Procurement (CCAP) Industry Days Expo
Get new PSC R425 solicitations by email
We'll email you when new PSC R425 (Engineering and Technical Services) solicitations post on SAM.gov. The first email lists what is open right now (56), then at most once a week, only when something new posts. No account needed; unsubscribe in a click.
What PSC R425 covers
Description: Engineering and Technical Services
Includes: System Engineering, Technical Assistance and Other Services Used to Support the Program Office During the Acquisition Cycle
Excludes: Language Translation and Sign Language Interpretation (PSC R608)
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Professional Services › Technical and Engineering Services (non-IT).
Largest recipients of PSC R425 obligations, FY2025
| Recipient | Obligations | Share |
|---|---|---|
| THE AEROSPACE CORPORATION | $1.2B | 3.8% |
| CHEMONICS INTERNATIONAL, INC. | $1.1B | 3.3% |
| BOOZ ALLEN HAMILTON INC | $936.4M | 2.9% |
| CACI, INC. - FEDERAL | $732.8M | 2.2% |
| SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | $650.0M | 2.0% |
| THE MITRE CORPORATION | $557.6M | 1.7% |
| BEYOND NEW HORIZONS, LLC | $496.1M | 1.5% |
| PARSONS GOVERNMENT SERVICES INC. | $491.0M | 1.5% |
| LOCKHEED MARTIN CORP | $461.7M | 1.4% |
| GENERAL ATOMICS AERONAUTICAL SYSTEMS, INC. | $442.0M | 1.3% |
Largest buyers of PSC R425, FY2025
| Buyer | Obligations | Share |
|---|---|---|
| Department of the Air Force | $11.4B | 34.7% |
| Department of the Navy | $7.3B | 22.1% |
| Department of the Army | $5.4B | 16.5% |
| Agency for International Development | $1.7B | 5.0% |
| Federal Acquisition Service | $1.4B | 4.4% |
| National Aeronautics and Space Administration | $1.1B | 3.3% |
| Federal Aviation Administration | $724.6M | 2.2% |
| Department of Energy | $620.7M | 1.9% |
| Missile Defense Agency | $487.4M | 1.5% |
| Defense Information Systems Agency | $404.4M | 1.2% |
USASpending.gov contract obligations by fiscal year of the action.
Who is winning new PSC R425 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| CACI, INC. - FEDERAL | $1.2B | 47 |
| THE MITRE CORPORATION | $1.2B | 3 |
| GENERAL ATOMICS AERONAUTICAL SYSTEMS, INC. | $990.2M | 5 |
| SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | $958.6M | 227 |
| BEYOND NEW HORIZONS, LLC | $944.9M | 1 |
| NORTHROP GRUMMAN SYSTEMS CORP | $668.7M | 13 |
| BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. | $626.4M | 18 |
| ODYSSEY SYSTEMS CONSULTING GROUP, LTD. | $618.6M | 6 |
| BOOZ ALLEN HAMILTON INC | $616.8M | 85 |
| L3HARRIS TECHNOLOGIES INTEGRATED SYSTEMS L.P. | $602.5M | 21 |
How competitive is PSC R425?
- 57.3% of obligations on these awards were competed.
- 40.9% of competed awards that report offers drew a single offer (n=3,200).
- 30.9% went to small businesses.
- The five largest contractors hold 13.0% across 2,817 contractors.
NAICS codes used on PSC R425 awards
| NAICS | Industry | Share |
|---|---|---|
| 541330 | Engineering Services | 46.1% |
| 541715 | Research and Development in the Physical, Engineering, and Life Sciences (Except Nanotechnology and Biotechnology) | 7.3% |
| 541990 | All Other Professional, Scientific, and Technical Services | 6.8% |
| 334511 | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 5.9% |
| 541712 | Research and Development in the Physical, Engineering, and Life Sciences (Except Biotechnology) | 5.8% |
| 541512 | Computer Systems Design Services | 5.5% |
| 336413 | Other Aircraft Parts and Auxiliary Equipment Manufacturing | 3.9% |
| 336411 | Aircraft Manufacturing | 3.7% |
Related PSC codes
AC13 National Defense R&D Services; Department of Defense - Military; Experimental Development · R499 Other Professional Services · R408 Program Management/Support Services · DA01 Business Application/Application Development Support Services (Labor) · AC12 National Defense R&D Services; Department of Defense - Military; Applied Research · J059 Maint/Repair/Rebuild of Equipment: Electrical and Electronic Equipment Components · 7A21 Business Application Software (Perpetual License Software) · 1680 Miscellaneous Aircraft Accessories and Components
Win PSC R425 work with FedSift
- Matched to your company — PSC R425 solicitations ranked against your capabilities, NAICS and certifications, with a fit score for each
- A compliance matrix from the package — every requirement in the attachments, each cited to its page
- A pipeline that watches the dates — question cutoffs and response deadlines from what the notice states, amendments and new versions as they post
- The market behind the code — buyers by contracting office, who is entering, adjacent codes and contracts coming up for recompete
See the 56 open, ranked for you → or open PSC R425 intelligence
Free plan, no credit card. Browse without an account; sign in to match and track.