Agency spend
Department of Energy DOE
FY2026 contract obligations · 2025-10-01 to 2026-09-30← FY2025
Department of Energy’s largest prime contractor in FY2026 is TRIAD NATIONAL SECURITY, LLC, at $5.28B in obligated contract dollars. The tables rank where the rest of its money went.
Top vendors
| TRIAD NATIONAL SECURITY, LLC | $5.28B |
| NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC | $5.16B |
| LAWRENCE LIVERMORE NATIONAL SECURITY, LLC | $3.63B |
| SAVANNAH RIVER NUCLEAR SOLUTIONS LLC | $3.4B |
| CONSOLIDATED NUCLEAR SECURITY, LLC | $3.33B |
| UT-BATTELLE LLC | $2.76B |
| HONEYWELL FEDERAL MANUFACTURING & TECHNOLOGIES, LLC | $2.2B |
| BATTELLE ENERGY ALLIANCE, LLC | $2.13B |
| FLUOR MARINE PROPULSION, LLC | $1.94B |
| PANTEXAS DETERRENCE, LLC | $1.64B |
Top NAICS
| 561210 | Facilities Support Services | $25.28B |
| 541710 | Research and Development in the Physical, Engineering, and Life Sciences | $8.1B |
| 562910 | Remediation Services | $3.66B |
| 541715 | Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $3.61B |
| 325180 | Other Basic Inorganic Chemical Manufacturing | $2.92B |
| 541990 | All Other Professional, Scientific, and Technical Services | $2.4B |
| — | — | $1.13B |
| 541712 | Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) | $843.55M |
| 562211 | Hazardous Waste Treatment and Disposal | $787.21M |
| 541711 | Research and Development in Biotechnology | $762.77M |
Expiring contracts at Department of Energy
15 contracts tracked here with an end date still ahead, worth $42.85B together. Soonest first.
| Ends | Contract | Incumbent | Value |
|---|---|---|---|
| 2026-09-26 | 89233119CNA000081 | CHENEGA PROFESSIONAL & TECHNICAL SERVICES, LLC | $19,673,632 |
| 2026-09-26 | 89303019FET000004 | BOOZ ALLEN HAMILTON INC. | $34,707,529 |
| 2026-09-27 | 89303023FIM000112 | ACCENTURE FEDERAL SERVICES LLC | $2,790,395 |
| 2026-09-29 | 89233125FNA400663 | MELE ASSOCIATES INC | $12,846,654 |
| 2026-09-29 | 89603025F0071 | RED RIVER TECHNOLOGY LLC | $1,321,581 |
| 2026-09-30 | 89243221FNE400061 | ALLEGHENY SCIENCE & TECHNOLOGY CORPORATION | $7,346,173 |
| 2026-09-30 | 89243224FEM400020 | SIGMA SCIENCE, INC. | $1,405,278 |
| 2026-09-30 | 89303024FMA400874 | BURDETTE, KOEHLER, MURPHY AND ASSOCIATES, INC. | $100,000 |
| 2026-09-30 | 89233124FNA400586 | MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. | $9,658,389 |
| 2026-09-30 | 89233124FNA400648 | PARSONS GOVERNMENT SERVICES INTERNATIONAL INC. | $23,405,293 |
| 2026-09-30 | 89233125CNA000427 | HUNATEK SYSTEM SOLUTIONS LLC | $19,035,932 |
| 2026-09-30 | 89303324FEM400434 | OLD HARBOR SOLUTIONS LLC | $1,121,414 |
| 2026-09-30 | DESC0014664 | OAK RIDGE ASSOCIATED UNIVERSITIES, INCORPORATED | $3,512,632,891 |
| 2026-09-30 | 89233123CNA000317 | TPGI CPA PLLC | $4,730,200 |
| 2026-09-30 | DEAC0908SR22470 | SAVANNAH RIVER NUCLEAR SOLUTIONS, LLC | $39,195,321,719 |