| 1 | LAWRENCE LIVERMORE NATIONAL SECURITY, LLC | $41,316,801,718 | 1 | $41,316,801,718 | May 09, 2007 | Department of Energy |
| 2 | LOCKHEED MARTIN CORP | $40,688,645,950 | 21 | $1,937,554,569 | Jan 01, 2026 | Department of Defense |
| 3 | REGENTS OF THE UNIVERSITY OF CALIFORNIA, THE | $35,605,407,385 | 8 | $4,450,675,923 | Jun 30, 2023 | National Aeronautics and … |
| 4 | BATTELLE MEMORIAL INSTITUTE | $31,683,217,517 | 65 | $487,434,116 | Jul 16, 2026 | Department of Defense |
| 5 | FLUOR MARINE PROPULSION, LLC | $29,431,476,121 | 2 | $14,715,738,061 | Jul 12, 2018 | Department of Defense |
| 6 | THE REGENTS OF THE UNIVERSITY OF CALIFORNIA | $19,868,865,110 | 1 | $19,868,865,110 | Jun 01, 2005 | Department of Energy |
| 7 | CALIFORNIA INSTITUTE OF TECHNOLOGY | $18,963,528,122 | 256 | $74,076,282 | Jul 01, 2026 | National Aeronautics and … |
| 8 | LOCKHEED MARTIN CORPORATION | $18,134,615,166 | 70 | $259,065,931 | May 13, 2026 | Department of Defense |
| 9 | UCHICAGO ARGONNE, LLC | $17,420,483,635 | 1 | $17,420,483,635 | Jul 31, 2006 | Department of Energy |
| 10 | THE LELAND STANFORD JUNIOR UNIVERSITY | $15,304,530,801 | 8 | $1,913,066,350 | Sep 30, 2024 | Department of Health and … |
| 11 | RAYTHEON COMPANY | $13,463,630,391 | 46 | $292,687,617 | Apr 17, 2026 | Department of Defense |
| 12 | ALLIANCE FOR ENERGY INNOVATION, LLC | $10,947,914,957 | 1 | $10,947,914,957 | Jul 29, 2008 | Department of Energy |
