This PSC page summarizes FPDS obligations for R499, showing how federal agencies used this catch-all support-professional category from 2021 through 2025. The data includes annual trends, top awarding agencies, and leading vendors, with Federal Acquisition Service, the Department of the Air Force, and CMS among the largest obligators.
PSC Code
PSC R499 Federal Contract Obligations (Last 5 Years)
PSC R499 covers federal obligations for support-professional services classified as other, totaling $133.93 billion across 451,729 award actions over the last five years.
Annual and ranking totals are based on the provided last-5-years analysis window and may reflect multiple award actions to the same vendor or agency.
PSC Code
R499
PSC Description
SUPPORT- PROFESSIONAL: OTHER
Total Obligated
133.93 billion
133,933,287,363.77
Award Actions
451,729
Average Action Value
296,490.34
About PSC R499 federal contract activity
PSC R499, SUPPORT- PROFESSIONAL: OTHER, accounted for $133.93 billion in obligations across 451,729 awards over the last 5 years, with an average award value of $296,490.34. This PSC is used at very high volume and supports a broad set of professional service requirements that do not map cleanly to a narrower support category.
Agency demand and leading federal buyers
Federal Acquisition Service led obligations at $19.70 billion across 225,587 awards, making it the largest buyer by both spend and volume. The next largest agencies were the Department of the Air Force ($18.61 billion), Centers for Medicare and Medicaid Services ($11.67 billion), Department of the Army ($8.04 billion), and Agency for International Development ($7.05 billion), indicating wide federal use across acquisition, defense, health, and foreign assistance missions.
Vendor concentration and leading contractors
Booz Allen Hamilton Inc. was the top vendor with $6.67 billion across 3,765 awards, followed closely by The Boeing Company at $6.51 billion across 336 awards. Maximus Federal Services, Savannah River Mission Completion, and Deloitte Consulting LLP also ranked among the largest recipients, showing concentration among established firms with substantial federal professional-services footprints.
Annual contract trend over the analysis window
Annual obligations peaked in 2024 at $30.42 billion, then remained elevated in 2023 at $29.96 billion and declined to $26.12 billion in 2025. Award counts were highest in 2025 at 104,438, while prior years ranged from 83,796 in 2021 to 89,800 in 2023, indicating sustained high transaction volume even as obligated dollars fluctuated.
How to interpret this page
Figures reflect FPDS awards coded to PSC R499 over the last 5 years and are based on obligated dollars and award counts captured in the dataset. Annual totals are grouped by fiscal year, and agency and vendor rankings are ordered by total obligated amount; vendor identification is shown with CAGE code where provided. Values are presented as reported in FPDS and rounded for readability.
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 = 'R499'
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 |
|---|---|---|---|---|
| 4732 | FEDERAL ACQUISITION SERVICE | 19,704,354,096.35 | 19.70 billion | 225,587 |
| 5700 | DEPT OF THE AIR FORCE | 18,612,638,707.22 | 18.61 billion | 14,377 |
| 7530 | CENTERS FOR MEDICARE AND MEDICAID SERVICES | 11,669,923,694.75 | 11.67 billion | 5,378 |
| 2100 | DEPT OF THE ARMY | 8,036,809,032.04 | 8.04 billion | 16,208 |
| 7200 | AGENCY FOR INTERNATIONAL DEVELOPMENT | 7,049,668,375.55 | 7.05 billion | 4,634 |
| 7529 | NATIONAL INSTITUTES OF HEALTH | 6,663,324,957.68 | 6.66 billion | 19,676 |
| 3600 | VETERANS AFFAIRS, DEPARTMENT OF | 6,558,412,559.73 | 6.56 billion | 6,702 |
| 8900 | ENERGY, DEPARTMENT OF | 5,731,433,487.48 | 5.73 billion | 4,508 |
| 7523 | CENTERS FOR DISEASE CONTROL AND PREVENTION | 5,415,914,687.92 | 5.42 billion | 9,915 |
| 97F5 | WASHINGTON HEADQUARTERS SERVICES (WHS) | 3,528,953,038.20 | 3.53 billion | 4,744 |
Insight
R499 obligations total $133.93 billion across 451,729 awards over the last 5 years, with an average award value of $296,490. The top 10 agencies account for a substantial share of spend, led by the Federal Acquisition Service at $19.70 billion, followed closely by the Department of the Air Force at $18.61 billion and CMS at $11.67 billion. Award volume is more concentrated in the Federal Acquisition Service, which has 225,587 awards, while the other leading agencies have materially fewer awards but still significant obligated dollars, indicating a mix of high-volume and higher-dollar professional support buying.
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 = 'R499'
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 |
|---|---|---|---|---|
| BOOZ ALLEN HAMILTON INC. | 17038 | 6,668,665,871.38 | 6.67 billion | 3,765 |
| BOEING COMPANY, THE | 88277 | 6,513,443,135.47 | 6.51 billion | 336 |
| MAXIMUS FEDERAL SERVICES, INC. | 8AMZ8 | 3,882,045,952.34 | 3.88 billion | 239 |
| SAVANNAH RIVER MISSION COMPLETION, LLC | 8KB44 | 3,800,978,201.46 | 3.80 billion | 208 |
| DELOITTE CONSULTING LLP | 1TTG5 | 3,248,965,332.40 | 3.25 billion | 2,390 |
| GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | 07MU1 | 2,287,141,689.77 | 2.29 billion | 1,325 |
| SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | 6XWA8 | 2,120,234,470.51 | 2.12 billion | 1,048 |
| DOMESTIC AWARDEES (UNDISCLOSED) | 3JEH0 | 1,788,781,781.93 | 1.79 billion | 516 |
| CACI NSS, LLC | 3HNV7 | 1,687,207,148.59 | 1.69 billion | 321 |
| ACCENTURE FEDERAL SERVICES LLC | 1ZD18 | 1,513,063,090.18 | 1.51 billion | 869 |
Insight
PSC R499 obligated spending totaled $133.93 billion across 451,729 awards over the last 5 years, with an average award value of $296,490. Top vendor obligations are concentrated among a small set of large contractors, led by Booz Allen Hamilton Inc. ($6.67 billion) and The Boeing Company ($6.51 billion), followed by Maximus Federal Services, Savannah River Mission Completion, and Deloitte Consulting. Award volume is more dispersed than dollars, with Booz Allen Hamilton and Deloitte each receiving thousands of awards while several other top vendors accumulated multi-billion-dollar obligations through a few hundred 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 = 'R499'
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 | 26,115,850,443.19 | 26.12 billion | 104,438 |
| 2024 | 30,424,539,440.62 | 30.42 billion | 88,446 |
| 2023 | 29,958,236,375.51 | 29.96 billion | 89,800 |
| 2022 | 24,764,665,270.60 | 24.76 billion | 85,249 |
| 2021 | 22,669,995,833.85 | 22.67 billion | 83,796 |
Insight
R499 obligations total $133.93 billion across 451,729 awards over the last 5 years, with an average award value of $296,490. The annual profile is relatively stable but elevated in the most recent years, increasing from $22.67 billion in 2021 to $24.76 billion in 2022 and $29.96 billion in 2023, before peaking at $30.42 billion in 2024. FY 2025 currently records $26.12 billion and 104,438 awards, indicating a lower obligated value than FY 2024 but a higher award count, suggesting greater fragmentation in recent obligations.
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