ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES

NAICS 541990 includes $31,653,098,816 in federal contract obligations across 397 ingested award records.

NAICS Snapshot

Total obligations$31,653,098,816
Award records397
Entity code541990
Data updatedMay 7, 2026

Spending by Fiscal Year

FY202622 awards$19,691,494
FY202524 awards$337,579,547
FY202438 awards$171,045,802
FY202363 awards$633,171,973
FY202233 awards$305,388,722
FY2021217 awards$30,186,221,278

Top Contractors

BATTELLE ENERGY ALLIANCE, LLC1 awards$25,680,438,713
OAK RIDGE ASSOCIATED UNIVERSITIES, INCORPORATED1 awards$3,038,492,500
PTSI MANAGED SERVICES INC1 awards$520,182,700
BLUESTAQ LLC1 awards$468,094,749
ABT GLOBAL LLC2 awards$253,279,938
SIERRA NEVADA COMPANY, LLC1 awards$248,522,918
CACI, INC. - FEDERAL1 awards$140,532,430
THE MITRE CORPORATION15 awards$122,843,820
E3HEALTH SOLUTIONS, LLC1 awards$100,701,959
CYBER ENGINEERING AND TECHNICAL ALLIANCE, LLC2 awards$80,273,499

Top Agencies

Department of Energy13 awards$28,737,574,920
General Services Administration19 awards$685,034,459
Department of Transportation22 awards$555,614,416
Department of Defense28 awards$549,639,699
Department of Health and Human Services129 awards$394,128,956
Agency for International Development5 awards$343,043,271
Department of Justice22 awards$109,653,010
Department of State14 awards$108,664,092
Department of Homeland Security21 awards$57,991,329
Department of the Interior36 awards$28,633,108

Recent Awards

AwardRecipientFiscal yearObligationsDate
DEAC0705ID14517BATTELLE ENERGY ALLIANCE, LLC2021$25,680,438,713Not available
DESC0014664OAK RIDGE ASSOCIATED UNIVERSITIES, INCORPORATED2021$3,038,492,500Not available
693KA923F00076PTSI MANAGED SERVICES INC2023$520,182,700Not available
47QFCA19C0016BLUESTAQ LLC2021$468,094,749Not available
FA862025FB029SIERRA NEVADA COMPANY, LLC2025$248,522,918Not available
72065619C00008ABT GLOBAL LLC2021$248,012,285Not available
47QFCA24F0018CACI, INC. - FEDERAL2024$140,532,430Not available
75D30122C13955E3HEALTH SOLUTIONS, LLC2022$100,701,959Not available
75S20222C00002SENECA FAMILY OF AGENCIES2022$63,800,512Not available
FA489022F0013CYBER ENGINEERING AND TECHNICAL ALLIANCE, LLC2022$57,478,425Not available

Source: USAspending.gov. Last updated from ingested federal spending data: May 7, 2026.

Methodology