Last full year, federal agencies obligated $30.34 billion under PSC R425 across 37,183 award actions, for an average action value of $815,978.07. Activity was led by the Department of the Air Force, Department of the Navy, and Department of the Army, while The Aerospace Corporation, Chemonics International, Inc., Booz Allen Hamilton Inc., and CACI, Inc. - Federal were among the largest vendors by obligated value.
PSC Code
PSC R425 Federal Contract Obligations (Last Year)
PSC R425 covers support-professional engineering and technical services, with $30.34 billion obligated across 37,183 award actions in the last full year.
This page summarizes FPDS award data for PSC R425 using the last full year available and reflects obligated amounts and award counts only.
PSC Code
R425
PSC Description
SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL
Total Obligated
30.34 billion
30,340,512,793.99
Award Actions
37,183
Average Action Value
815,978.07
About PSC R425 federal contract activity
PSC R425, Support- Professional: Engineering/Technical, accounted for $30.34 billion across 37,183 awards in the last full year, with an average award value of $815,978.07. This PSC reflects a large volume of technical and engineering support obligations distributed across federal agencies and contractors.
Agency demand and leading federal buyers
The Department of the Air Force led obligations at $10.37 billion across 6,507 awards, followed by the Department of the Navy at $6.91 billion across 12,627 awards and the Department of the Army at $4.82 billion across 5,721 awards. Together, these three defense agencies represented the clear majority of spending in this PSC, while USAID and the Federal Acquisition Service were the largest civilian buyers among the top five.
Vendor concentration and leading contractors
The Aerospace Corporation was the largest vendor by obligation at $945.45 million across 50 awards, followed closely by Chemonics International, Inc. at $844.79 million across 14 awards. Booz Allen Hamilton Inc., CACI, Inc. - Federal, and Parsons Government Services Inc. also ranked among the top vendors, indicating a mix of high-dollar, lower-count awards and larger-volume service relationships.
Annual contract trend over the analysis window
The annual trend shows $30.34 billion in obligated spending and 37,183 awards in 2025 for this PSC. With only one full year in the analysis window, the trend view serves as the baseline for comparing future annual movement rather than indicating year-over-year change.
How to interpret this page
This page summarizes FPDS obligations coded to PSC R425 over the last full year using total obligated dollars, award count, and average award value. Agency and vendor rankings are based on total obligated amount within the selected period, and the annual trend reflects obligations recorded for that full year only.
Top Agencies
SELECT
agency_id,
agency_name,
total_obligated,
award_count,
formatReadableQuantity(total_obligated) AS total_obligated_readable
FROM
(
SELECT
content__award__purchaserInformation__contractingOfficeAgencyID AS agency_id,
anyHeavy(content__award__purchaserInformation__contractingOfficeAgencyID__name) AS agency_name,
sum(content__award__dollarValues__obligatedAmount) AS total_obligated,
count() AS award_count
FROM fpds.data
WHERE
contract_type = 1
AND content__award__productOrServiceInformation__productOrServiceCode = 'R425'
AND content__award__purchaserInformation__contractingOfficeAgencyID IS NOT NULL
AND content__award__purchaserInformation__contractingOfficeAgencyID != ''
AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) >= toStartOfYear(now()) - INTERVAL 1 YEAR
AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) < toStartOfYear(now())
GROUP BY agency_id
)
ORDER BY total_obligated DESC
LIMIT 10| Agency ID | Agency Name | Total Obligated | Readable | Award Actions |
|---|---|---|---|---|
| 5700 | DEPT OF THE AIR FORCE | 10,368,796,693.96 | 10.37 billion | 6,507 |
| 1700 | DEPT OF THE NAVY | 6,911,905,015.96 | 6.91 billion | 12,627 |
| 2100 | DEPT OF THE ARMY | 4,823,602,709.90 | 4.82 billion | 5,721 |
| 7200 | AGENCY FOR INTERNATIONAL DEVELOPMENT | 1,326,696,553.86 | 1.33 billion | 230 |
| 4732 | FEDERAL ACQUISITION SERVICE | 1,292,070,708.87 | 1.29 billion | 861 |
| 8000 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | 1,003,211,617.59 | 1.00 billion | 857 |
| 6920 | FEDERAL AVIATION ADMINISTRATION | 723,366,732.14 | 723.37 million | 2,177 |
| 8900 | ENERGY, DEPARTMENT OF | 609,210,240.96 | 609.21 million | 871 |
| 97JC | MISSILE DEFENSE AGENCY (MDA) | 477,536,625.15 | 477.54 million | 195 |
| 97AK | DEFENSE INFORMATION SYSTEMS AGENCY (DISA) | 412,906,994.18 | 412.91 million | 727 |
Insight
R425 obligations are highly concentrated in the Department of Defense enterprise, led by the Dept of the Air Force at $10.37 billion, the Dept of the Navy at $6.91 billion, and the Dept of the Army at $4.82 billion; together these three agencies account for about 75.6% of the $30.34 billion obligated in the last full year. Outside DoD, obligations drop sharply, with only AID, the Federal Acquisition Service, and NASA exceeding $1.0 billion. Award volume is more distributed than dollars, particularly at the Navy, which reported 12,627 awards but less obligated value than the Air Force, indicating a larger number of smaller transactions within this PSC.
Top Vendors
SELECT
vendor_name,
cage_code,
total_obligated,
award_count,
formatReadableQuantity(total_obligated) AS total_obligated_readable
FROM
(
SELECT
content__award__vendor__vendorHeader__vendorName AS vendor_name,
ifNull(anyHeavy(content__award__vendor__vendorSiteDetails__entityIdentifiers__cageCode), '') AS cage_code,
sum(content__award__dollarValues__obligatedAmount) AS total_obligated,
count() AS award_count
FROM fpds.data
WHERE
contract_type = 1
AND content__award__productOrServiceInformation__productOrServiceCode = 'R425'
AND content__award__vendor__vendorHeader__vendorName IS NOT NULL
AND content__award__vendor__vendorHeader__vendorName != ''
AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) >= toStartOfYear(now()) - INTERVAL 1 YEAR
AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) < toStartOfYear(now())
GROUP BY
vendor_name,
content__award__vendor__vendorSiteDetails__entityIdentifiers__cageCode
)
ORDER BY total_obligated DESC
LIMIT 10| Vendor | CAGE Code | Total Obligated | Readable | Award Actions |
|---|---|---|---|---|
| THE AEROSPACE CORPORATION | 12782 | 945,447,076.79 | 945.45 million | 50 |
| CHEMONICS INTERNATIONAL, INC | 3DNC8 | 844,787,423.25 | 844.79 million | 14 |
| BOOZ ALLEN HAMILTON INC. | 17038 | 714,481,484.40 | 714.48 million | 692 |
| CACI, INC. - FEDERAL | 1QU78 | 704,993,331.45 | 704.99 million | 320 |
| PARSONS GOVERNMENT SERVICES INC. | 1BVK6 | 466,777,356.98 | 466.78 million | 280 |
| BEYOND NEW HORIZONS, LLC | 9L3V7 | 451,258,500.81 | 451.26 million | 22 |
| SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | 6XWA8 | 449,769,380.66 | 449.77 million | 944 |
| AMENTUM SERVICES, INC. | 5W3V7 | 411,540,032.36 | 411.54 million | 336 |
| JT4, LLC | 7DS14 | 390,931,747.74 | 390.93 million | 72 |
| NORTHROP GRUMMAN SYSTEMS CORP | 1W025 | 386,979,181.40 | 386.98 million | 61 |
Insight
In the last full year, PSC R425 obligated $30.34 billion across 37,183 awards, with an average award value of $815,978, indicating a high-volume professional engineering/technical market. The top 10 vendors account for about $5.76 billion, or roughly 19% of total obligated dollars, showing meaningful concentration among a small set of suppliers. Award volume is also uneven: several vendors combine relatively large dollar totals with high award counts, especially SCIENCE APPLICATIONS INTERNATIONAL CORPORATION (944 awards) and BOOZ ALLEN HAMILTON INC. (692 awards), while others such as CHEMONICS INTERNATIONAL, INC and THE AEROSPACE CORPORATION hold high dollar totals with comparatively few awards.
Annual Trend
SELECT
year,
total_obligated,
award_count,
formatReadableQuantity(total_obligated) AS total_obligated_readable
FROM
(
SELECT
toYear(parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate)) AS year,
sum(content__award__dollarValues__obligatedAmount) AS total_obligated,
count() AS award_count
FROM fpds.data
WHERE
contract_type = 1
AND content__award__productOrServiceInformation__productOrServiceCode = 'R425'
AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) >= toStartOfYear(now()) - INTERVAL 1 YEAR
AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) < toStartOfYear(now())
GROUP BY year
)
ORDER BY year DESC| Year | Total Obligated | Readable | Award Actions |
|---|---|---|---|
| 2025 | 30,340,512,793.99 | 30.34 billion | 37,183 |
Insight
In the last full year, PSC R425 obligated $30.34 billion across 37,183 awards, yielding an average award value of about $815,978. This indicates a large-volume, moderately distributed spend profile, with obligations spread across many awards rather than concentrated in a small number of actions. With only one annual data point provided, no year-over-year trend can be assessed for this window.
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