Who is the Department of Energy's biggest contractor in FY2021?

National Technology & Engineering Solutions of Sandia, LLC, with $4.3B obligated in FY2021. Second is Triad National Security, LLC at $4B.

Where does this ranking come from?

It is computed from USASpending.gov award records, which are U.S. government works and in the public domain. Each figure is the total the Department of Energy obligated to that recipient in FY2021. TheFiscalFinder does the ranking; the underlying figures are the government's own.

How many recipients are shown?

The top 100 for FY2021. Each row opens that recipient's own page, where the same money is broken out by year, by counterparty and by place.

Does a high position mean anything is wrong?

No. This is a description of where public money went in FY2021, computed from public records. It is not an allegation about anyone on it.

Rankings

Top contractors of the Department of Energy: FY2021

FY2021 · complete year · data as of 2026-07-12

≈ computed · agency obligations

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National Technology & Engineering Solutions of Sandia, LLC received more money from the Department of Energy than any other recipient in FY2021: $4.3B in obligations. Ranked by what the Department of Energy obligated to each recipient in FY2021, so the list is about this agency's money rather than a contractor's overall size. Combined corporate families count once. Computed

Ranked from USASpending records. FY2020 to FY2026 are loaded. Rank vs FY2020 is each name's change in position from FY2020; a dash means the name was not in FY2020's data.

Quick findings

Computed

The top 10 account for 66% of the $37B combined total of all 100 recipients listed.
University of Alaska Fairbanks rose the most, from #131 in FY2020 to #86 in FY2021.
University of Utah fell the most among those listed, from #44 in FY2020 to #95 in FY2021.

Rank	Name	FY2021	FY2020	Change	Rank vs FY2020
01	National Technology & Engineering Solutions of Sandia, LLC0 awards	$4.3B	$3.8B	+11%	same
02	Triad National Security, LLC0 awards	$4B	$3.1B	+29%	same
03	Lawrence Livermore National Security, LLC0 awards	$2.8B	$2.4B	+16%	▲ 2
04	Battelle Memorial Institute0 awards	$2.6B	$2.7B	−2%	same
05	Consolidated Nuclear Security, LLC0 awards	$2.6B	$2.9B	−9%	▼ 2
06	UT-Battelle LLC0 awards	$2.3B	$2.3B	+1%	same
07	Honeywell International Inc.0 awards	$1.7B	$1.5B	+15%	▲ 1
08	Savannah River Nuclear Solutions LLC0 awards	$1.7B	$1.6B	+3%	▼ 1
09	Fluor Marine Propulsion, LLC0 awards	$1.6B	$1.5B	+9%	same
10	The Regents of the University of California0 awards	$1.1B	$1.1B	0%	same
11	Uchicago Argonne, LLC0 awards	$992.8M	$1.1B	−8%	same
12	Mission Support & Test Services LLC0 awards	$854.7M	$650.2M	+31%	▲ 3
13	Bechtel Corporation0 awards	$821.4M	$668.9M	+23%	▲ 1
14	Washington River Protection Solutions LLC0 awards	$704.7M	$856.7M	−18%	▼ 2
15	Savannah River Remediation LLC0 awards	$680.8M	$633.1M	+8%	▲ 1
16	Brookhaven Science Associates LLC0 awards	$667.6M	$699.9M	−5%	▼ 3
17	Alliance for Energy Innovation, LLC0 awards	$649.3M	$574.7M	+13%	▲ 1
18	Fermi Research Alliance, LLC0 awards	$615.6M	$630.8M	−2%	▼ 1
19	The Leland Stanford Junior University0 awards	$540.9M	$470.3M	+15%	▲ 2
20	Central Plateau Cleanup Company, LLC0 awards	$441M	—	—	—
21	Ucor LLC0 awards	$431M	$539.9M	−20%	▼ 2
22	Hanford Mission Integration Solutions, LLC0 awards	$426.7M	—	—	—
23	Fluor-Bwxt Portsmouth LLC0 awards	$423.6M	$390.2M	+9%	same
24	Fluor Idaho LLC0 awards	$408.1M	$423.7M	−4%	▼ 2
25	Nuclear Waste Partnership LLC0 awards	$385.5M	$349.4M	+10%	same
26	Accenture Federal Services LLC0 awards	$299.8M	$246.9M	+21%	▲ 1
27	Oak Ridge Associated Universities, Incorporated0 awards	$275.7M	$280.6M	−2%	▼ 1
28	Four Rivers Nuclear Partnership LLC0 awards	$193.4M	$173.4M	+12%	▲ 1
29	Battelle Savannah River Alliance, LLC0 awards	$180.4M	—	—	—
30	Newport News Nuclear Bwxt-Los Alamos LLC0 awards	$179.7M	$193.2M	−7%	▼ 2
31	The Trustees of Princeton University0 awards	$156.6M	$161.9M	−3%	▼ 1
32	General Atomics0 awards	$145.9M	$116.7M	+25%	▲ 2
33	Leidos, Inc.0 awards	$134.5M	$107M	+26%	▲ 3
34	Parsons Government Services Inc.0 awards	$132.5M	$136.7M	−3%	▼ 1
35	University of Illinois0 awards	$130M	$85.2M	+52%	▲ 4
36	Centerra Group, LLC0 awards	$106.4M	$114.2M	−7%	▼ 1
37	University of Rochester0 awards	$90M	$90.2M	0%	same
38	Michigan State University0 awards	$72.3M	$88.2M	−18%	same
39	Iowa State University of Science and Technology0 awards	$70.2M	$64.9M	+8%	▲ 4
40	Massachusetts Institute of Technology0 awards	$67.6M	$68.7M	−2%	▲ 2
41	University of Wisconsin System0 awards	$60.2M	$76.4M	−21%	same
42	Soc LLC0 awards	$49M	$47.5M	+3%	▲ 3
43	Aar Government Services, Inc.0 awards	$41.4M	—	—	—
44	Regents of the University of Michigan0 awards	$34.6M	$28.5M	+22%	▲ 5
45	The Pennsylvania State University0 awards	$34.3M	$24.3M	+41%	▲ 10
46	University of Texas at Austin0 awards	$32.9M	$29.5M	+12%	▲ 2
47	University of Washington0 awards	$30M	$31.4M	−5%	same
48	University of Washington0 awards	$30M	—	—	—
49	Georgia Tech Research Corp0 awards	$25.5M	$24.9M	+3%	▲ 5
50	NYS Division Housing & Comm Renewal0 awards	$25.2M	—	—	—
51	Cornell University0 awards	$23.7M	$16.1M	+47%	▲ 22
52	University of California, Los Angeles0 awards	$22.8M	$25.7M	−11%	▲ 1
53	Carahsoft Technology Corp0 awards	$22.7M	$23M	−1%	▲ 3
54	University of Maryland, College Park0 awards	$21.7M	$21.1M	+3%	▲ 7
55	Ohio State University, the0 awards	$21.1M	$13.7M	+54%	▲ 25
56	Ohio State University, the0 awards	$21.1M	—	—	—
57	Regents of the University of Minnesota0 awards	$20.6M	$15.4M	+34%	▲ 17
58	Purdue University0 awards	$20.2M	$17M	+19%	▲ 14
59	Northwestern University0 awards	$19.7M	$22.2M	−11%	▼ 2
60	The Trustees of Columbia University in the City of New York0 awards	$19.4M	$21.3M	−9%	▼ 1
61	University of Tennessee0 awards	$19.3M	—	—	—
62	Michigan Department of Health and Human Services0 awards	$19.1M	$20M	−4%	same
63	Ohio Department of Development0 awards	$18.8M	$19.9M	−5%	same
64	University of California Irvine0 awards	$18.7M	$18.1M	+3%	▲ 4
65	California Institute of Technology0 awards	$18.5M	$17.1M	+9%	▲ 6
66	President and Fellows of Harvard College0 awards	$18.4M	$13.2M	+40%	▲ 16
67	Department of Community & Economic Development Pennsylvania0 awards	$18.1M	$19.2M	−6%	▼ 2
68	University of Delaware0 awards	$17.9M	$18.6M	−4%	▼ 1
69	The Aerospace Corporation0 awards	$17.3M	$14.3M	+21%	▲ 10
70	The Regents of the University of Colorado0 awards	$16.8M	$27.3M	−39%	▼ 20
71	Illinois Department Commerce & Economic Opportunity0 awards	$16.5M	$17.4M	−5%	▼ 2
72	Southwest Research Institute0 awards	$15.9M	$26.7M	−40%	▼ 21
73	University of California, Davis0 awards	$14.3M	$10.7M	+34%	▲ 17
74	University of California, Santa Barbara0 awards	$14.1M	$18.9M	−25%	▼ 8
75	Virginia Polytechnic Institute & State University0 awards	$13.9M	$14.6M	−4%	▲ 2
76	Colorado State University0 awards	$13.9M	$21.1M	−34%	▼ 16
77	Department of Commerce Minnesota0 awards	$12.8M	$13.3M	−3%	▲ 4
78	Trustees of the University of Pennsylvania, the0 awards	$12.6M	$5.9M	+114%	▲ 39
79	Oregon State University0 awards	$12.5M	$31.9M	−61%	▼ 33
80	ICF Incorporated, L.l.c.0 awards	$12.2M	$14.5M	−16%	▼ 2
81	Washington State University0 awards	$12.1M	$14.9M	−19%	▼ 5
82	University of Georgia Research Foundation, Inc.0 awards	$11.8M	$9.5M	+24%	▲ 13
83	Alvarez LLC0 awards	$11.8M	$11.4M	+3%	▲ 1
84	Arizona State University0 awards	$11.3M	$21.9M	−48%	▼ 26
85	Carnegie-Mellon University0 awards	$11.2M	$6.6M	+69%	▲ 27
86	University of Alaska Fairbanks0 awards	$11.1M	$3.7M	+199%	▲ 45
87	Texas a & M University0 awards	$11.1M	$7.3M	+52%	▲ 20
88	Florida State University0 awards	$11M	$6.5M	+69%	▲ 26
89	North Carolina State University0 awards	$11M	$15M	−27%	▼ 14
90	Kpmg LLP0 awards	$10.8M	$11.8M	−9%	▼ 7
91	University of North Carolina at Chapel Hill0 awards	$10.7M	$9.7M	+11%	▲ 3
92	State of Wisconsin Dept of Admin0 awards	$10.7M	$11.2M	−5%	▼ 6
93	University of Florida0 awards	$10.6M	$19.4M	−46%	▼ 29
94	University System of New Hampshire0 awards	$10.5M	—	—	—
95	University of Utah0 awards	$10.2M	$57.1M	−82%	▼ 51
96	Vanderbilt University0 awards	$9.9M	$9.8M	0%	▼ 4
97	Duke University0 awards	$9.7M	$17.1M	−43%	▼ 27
98	Rector & Visitors of the University of Virginia0 awards	$9.4M	$11.3M	−17%	▼ 13
99	Skookum Educational Programs0 awards	$9.3M	$7.4M	+26%	▲ 7
100	National Academy of Sciences0 awards	$9.1M	$9.2M	0%	▼ 4

Obligations are the dollars the agency committed, which is not the same as dollars paid out. A recipient can appear on several agencies' lists; each ranks only its own money.

Questions

Who is the Department of Energy's biggest contractor in FY2021?: National Technology & Engineering Solutions of Sandia, LLC, with $4.3B obligated in FY2021. Second is Triad National Security, LLC at $4B.
Where does this ranking come from?: It is computed from USASpending.gov award records, which are U.S. government works and in the public domain. Each figure is the total the Department of Energy obligated to that recipient in FY2021. TheFiscalFinder does the ranking; the underlying figures are the government's own.
How many recipients are shown?: The top 100 for FY2021. Each row opens that recipient's own page, where the same money is broken out by year, by counterparty and by place.
Does a high position mean anything is wrong?: No. This is a description of where public money went in FY2021, computed from public records. It is not an allegation about anyone on it.

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Why the labels? The graph is only worth anything if the links are trusted. Facts taken straight from a federal filing are Source; figures we calculate are Computed; links we infer (corporate parents, districts, similar contractors, connections between records) are Inferred, worded carefully, never asserted as fact and never a claim that one thing caused another. Spot an error? Tell us.