The PSC R425 federal procurement profile shows steady annual spending between 2021 and 2025, ranging from 27.64 billion to 32.86 billion. The Department of the Air Force, Department of the Navy, and Department of the Army account for the largest shares of obligated value over the period.
PSC Code
PSC R425 Federal Contract Obligations (Last 5 Years)
PSC R425 covers support-professional engineering and technical services, with 149.79 billion obligated across 196,172 award actions in the last 5 years.
Totals reflect the last 5 years of readable FPDS obligation data and may include multiple award actions to the same vendor or agency.
PSC Code
R425
PSC Description
SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL
Total Obligated
149.79 billion
149,793,923,900.21
Award Actions
196,172
Average Action Value
763,584.62
About PSC R425 federal contract activity
PSC R425, SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL, accounted for $149.79 billion across 196,172 awards over the last 5 years, with an average award value of $763,584.62. The volume and dollar base indicate a large, recurring set of technical support services spanning engineering, systems, and related professional support functions.
Agency demand and leading federal buyers
Obligations are concentrated in the Department of the Air Force at $46.40 billion, followed by the Department of the Navy at $31.20 billion and the Department of the Army at $24.08 billion. Together, these three defense agencies represent the dominant share of PSC R425 spending, while AGENCY FOR INTERNATIONAL DEVELOPMENT and the Federal Acquisition Service also appear as material buyers.
Vendor concentration and leading contractors
The Aerospace Corporation and Chemonics International, Inc. are the largest vendors by obligated dollars, at $5.43 billion and $5.07 billion respectively, but each with relatively few awards compared with the broader market. Booz Allen Hamilton Inc., Science Applications International Corporation, and Lockheed Martin Corporation also rank among the top vendors, with significantly higher award counts in the thousands for Booz Allen Hamilton and SAIC, indicating broader task-order distribution.
Annual contract trend over the analysis window
Annual obligations remained elevated and fairly stable across the period, ranging from $27.64 billion in 2022 to a peak of $32.86 billion in 2024. Funding softened slightly in 2025 to $30.34 billion, but the overall pattern shows sustained demand rather than sharp volatility.
How to interpret this page
This summary is based on FPDS obligations and award counts for PSC R425 over the last 5 years, using the provided aggregate totals, top-agency and top-vendor rankings, and annual obligation series. The figures reflect reported contract obligations in the selected analysis window and are not adjusted for inflation or agency reorganization.
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 5 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 | 46,400,171,597.35 | 46.40 billion | 32,462 |
| 1700 | DEPT OF THE NAVY | 31,195,446,734.81 | 31.20 billion | 65,541 |
| 2100 | DEPT OF THE ARMY | 24,078,039,347.82 | 24.08 billion | 30,867 |
| 7200 | AGENCY FOR INTERNATIONAL DEVELOPMENT | 9,252,980,771.37 | 9.25 billion | 2,341 |
| 4732 | FEDERAL ACQUISITION SERVICE | 8,097,841,722.87 | 8.10 billion | 5,122 |
| 8000 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | 6,157,445,389.53 | 6.16 billion | 4,643 |
| 6920 | FEDERAL AVIATION ADMINISTRATION | 4,192,083,199.36 | 4.19 billion | 11,960 |
| 8900 | ENERGY, DEPARTMENT OF | 2,605,679,818.84 | 2.61 billion | 4,072 |
| 97JC | MISSILE DEFENSE AGENCY (MDA) | 2,300,339,619.31 | 2.30 billion | 1,347 |
| 97AK | DEFENSE INFORMATION SYSTEMS AGENCY (DISA) | 2,157,319,807.90 | 2.16 billion | 3,318 |
Insight
R425 obligations total $149.79 billion across 196,172 awards over the last 5 years, with an average award value of $763,584.62. Spending is concentrated in the Department of the Air Force ($46.40 billion), Department of the Navy ($31.20 billion), and Department of the Army ($24.08 billion), which together account for a majority of PSC R425 obligations. Outside the military departments, obligations are more dispersed, led by USAID ($9.25 billion), the Federal Acquisition Service ($8.10 billion), and NASA ($6.16 billion), with the remaining top agencies each below $4.20 billion.
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 5 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 | 5,434,713,537.99 | 5.43 billion | 248 |
| CHEMONICS INTERNATIONAL, INC | 3DNC8 | 5,074,870,538.73 | 5.07 billion | 207 |
| BOOZ ALLEN HAMILTON INC. | 17038 | 4,113,185,019.78 | 4.11 billion | 3,577 |
| SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | 6XWA8 | 2,984,164,176.54 | 2.98 billion | 5,385 |
| LOCKHEED MARTIN CORPORATION | 04236 | 2,373,746,747.21 | 2.37 billion | 308 |
| THE MITRE CORPORATION | 4B080 | 2,221,635,751.29 | 2.22 billion | 292 |
| PARSONS GOVERNMENT SERVICES INC. | 1BVK6 | 1,912,190,426.82 | 1.91 billion | 1,735 |
| CACI, INC. - FEDERAL | 1QU78 | 1,887,603,687.47 | 1.89 billion | 1,176 |
| GENERAL ATOMICS AERONAUTICAL SYSTEMS, INC. | 0YJB5 | 1,882,341,513.18 | 1.88 billion | 188 |
| JT4, LLC | 7DS14 | 1,787,000,766.51 | 1.79 billion | 281 |
Insight
Over the last 5 years, PSC R425 obligated $149.79 billion across 196,172 awards, with an average award value of $763,584.62. Obligations are concentrated among a small group of vendors: the top 10 vendors account for $28.73 billion, led by The Aerospace Corporation ($5.43 billion) and Chemonics International, Inc. ($5.07 billion). Award volume is more distributed than dollars, with Booz Allen Hamilton Inc. (3,577 awards) and Science Applications International Corporation (5,385 awards) receiving many more awards than the highest-obligation firms.
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 5 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 |
| 2024 | 32,861,369,608.35 | 32.86 billion | 39,685 |
| 2023 | 30,694,976,942.24 | 30.69 billion | 39,322 |
| 2022 | 27,644,122,133.81 | 27.64 billion | 39,008 |
| 2021 | 28,252,942,421.82 | 28.25 billion | 40,974 |
Insight
R425 obligated dollars were relatively stable over the last five years, ranging from $27.64 billion in FY 2022 to a peak of $32.86 billion in FY 2024, with a slight decline to $30.34 billion in FY 2025. Award counts remained consistently high at roughly 37,000 to 41,000 per year, indicating broad and recurring use of this PSC rather than reliance on a few large awards. The pattern suggests a mature, high-volume engineering and technical support category with moderate year-to-year fluctuation in obligated dollars.
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