This NAICS page summarizes FPDS award activity for Other Scientific and Technical Consulting Services across agencies, vendors, and fiscal years. NIH, USAID, the Army, the Air Force, and the Navy account for the largest shares of obligations in the period shown.
NAICS Industry
NAICS 541690 Federal Contract Obligations (Last 5 Years)
Federal procurement activity under NAICS 541690 covers other scientific and technical consulting services, with 37,448 award actions and $10.39 billion obligated over the last 5 years.
Figures reflect the last 5 years of readable FPDS obligation data, with annual totals ranging from $1.50 billion in 2025 to $2.70 billion in 2024.
NAICS Code
541690
Industry
OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES
Total Obligated
10.39 billion
10,389,051,761.27
Award Actions
37,448
Average Action Value
277,426.07
About NAICS 541690 federal contract activity
NAICS 541690, Other Scientific and Technical Consulting Services, accounts for $10.39 billion in FPDS-obligated contract activity across 37,448 awards over the last 5 years, with an average award value of $277,426.07. The profile reflects a large, fragmented market with a mix of high-volume, lower-dollar awards and a smaller set of larger obligations.
Agency demand and leading federal buyers
The National Institutes of Health is the largest obligating agency in this NAICS, with $1.49 billion across 6,377 awards. Other major buyers include the Agency for International Development, the Department of the Army, the Department of the Air Force, and the Department of the Navy, indicating demand from both civilian research programs and defense-related missions.
Vendor concentration and leading contractors
KELLY SERVICES, INC. leads vendors with $912.08 million and 2,463 awards, followed by DOMESTIC AWARDEES (UNDISCLOSED) at $622.67 million across 261 awards. LOCKHEED MARTIN CORPORATION, PARSONS GOVERNMENT SERVICES INC., and MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. also appear among the top recipients, suggesting a vendor base that includes large contractors and service firms supporting technical consulting requirements.
Annual contract trend over the analysis window
Annual obligations peaked in 2024 at $2.70 billion before easing to $1.50 billion in 2025. Over the full window, annual award counts remained relatively stable, ranging from 6,786 to 8,008 awards, with 2023 showing the highest award count.
How to interpret this page
This page summarizes FPDS award data associated with NAICS 541690 for the last 5 years. Totals reflect obligated dollars and award counts aggregated across reported contract actions, with agency and vendor rankings based on total obligated value.
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__principalNAICSCode = '541690'
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 |
|---|---|---|---|---|
| 7529 | NATIONAL INSTITUTES OF HEALTH | 1,492,568,927.28 | 1.49 billion | 6,377 |
| 7200 | AGENCY FOR INTERNATIONAL DEVELOPMENT | 1,314,319,213.66 | 1.31 billion | 452 |
| 2100 | DEPT OF THE ARMY | 1,085,301,555.75 | 1.09 billion | 3,719 |
| 5700 | DEPT OF THE AIR FORCE | 1,054,513,333.11 | 1.05 billion | 1,308 |
| 1700 | DEPT OF THE NAVY | 676,593,737.86 | 676.59 million | 2,627 |
| 7530 | CENTERS FOR MEDICARE AND MEDICAID SERVICES | 519,189,624.30 | 519.19 million | 391 |
| 1900 | STATE, DEPARTMENT OF | 510,641,874.61 | 510.64 million | 1,604 |
| 8900 | ENERGY, DEPARTMENT OF | 451,940,056.23 | 451.94 million | 980 |
| 7523 | CENTERS FOR DISEASE CONTROL AND PREVENTION | 340,132,845.11 | 340.13 million | 1,193 |
| 8000 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | 275,585,883.40 | 275.59 million | 987 |
Insight
Over the last 5 years, NAICS 541690 obligations totaled $10.39 billion across 37,448 awards, with an average award value of $277,426. Spending is concentrated among a small set of agencies: NIH, USAID, the Army, and the Air Force each obligated about $1.05 billion to $1.49 billion, together accounting for a substantial share of total obligations. Award volume is more dispersed than dollars, with NIH leading in award count (6,377) while USAID obligated $1.31 billion across only 452 awards, indicating higher-value awards at that agency.
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,
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__principalNAICSCode = '541690'
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
)
ORDER BY total_obligated DESC
LIMIT 10| Vendor | CAGE Code | Total Obligated | Readable | Award Actions |
|---|---|---|---|---|
| KELLY SERVICES, INC. | 9B025 | 912,077,672.87 | 912.08 million | 2,463 |
| DOMESTIC AWARDEES (UNDISCLOSED) | 3JEH0 | 622,671,721.29 | 622.67 million | 261 |
| LOCKHEED MARTIN CORPORATION | 79272 | 413,829,651.06 | 413.83 million | 147 |
| PARSONS GOVERNMENT SERVICES INC. | 1BVK6 | 224,077,417.85 | 224.08 million | 63 |
| MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. | 5N741 | 205,904,625.52 | 205.90 million | 189 |
| SYSTEM HIGH CORPORATION | 4E9G1 | 202,989,804.08 | 202.99 million | 123 |
| UNWIN COMPANY | 1VVA8 | 191,227,000.54 | 191.23 million | 33 |
| LEIDOS, INC. | 5UTE2 | 187,840,002.42 | 187.84 million | 762 |
| GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | 07MU1 | 174,214,089.11 | 174.21 million | 364 |
| CHEMONICS INTERNATIONAL, INC. | 3DNC8 | 166,375,456.92 | 166.38 million | 29 |
Insight
Over the last 5 years, NAICS 541690 obligations totaled $10.39 billion across 37,448 awards, with an average award value of $277,426. The vendor base is moderately concentrated at the top: KELLY SERVICES, INC. leads with $912.08 million across 2,463 awards, while the next nine vendors each account for roughly $166 million to $623 million, indicating a broad but uneven distribution of spend. Award volume is higher for several vendors with comparatively lower obligated dollars, such as LEIDOS, INC. and GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC., suggesting a mix of high-frequency and higher-value award activity.
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__principalNAICSCode = '541690'
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 | 1,495,827,037.86 | 1.50 billion | 6,786 |
| 2024 | 2,697,114,731.59 | 2.70 billion | 7,592 |
| 2023 | 2,216,872,374.20 | 2.22 billion | 8,008 |
| 2022 | 2,007,155,250.15 | 2.01 billion | 7,698 |
| 2021 | 1,972,082,367.47 | 1.97 billion | 7,364 |
Insight
Over the last 5 years, NAICS 541690 obligated $10.39 billion across 37,448 awards, for an average award value of $277,426. Obligations were relatively stable from 2021 through 2023 at about $1.97 billion to $2.22 billion annually, then increased sharply in 2024 to $2.70 billion before declining to $1.50 billion in 2025. Award counts remained concentrated in the 7,300 to 8,000 range from 2021 through 2024, then fell to 6,786 in 2025, indicating a recent reduction in both obligation volume and transaction volume.
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