Top 100 Defense Advanced Research Projects Agency Contractors, FY2021

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Lockheed Martin Corporation 16 awardees Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$288,950,499	11.9%	Rank history: #2 in FY2022, #2 in FY2023, #2 in FY2024 and #1 in FY2025; unchanged since FY2020.
2	RTX Corporation 15 awardees, including Raytheon Company, RTX BBN Technologies, Inc. and Rockwell Collins, Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) 541714 Research and Development in Biotechnology (except Nanobiotechnology)	$257,965,695	10.7%	Rank history: #1 in FY2022, #1 in FY2023, #5 in FY2024 and #5 in FY2025; unchanged since FY2020.
3	Systems & Technology Research LLC Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$87,933,835	3.6%	Rank history: #6 in FY2022, #7 in FY2023, #7 in FY2024 and #14 in FY2025; up 2 since FY2020.
4	Northrop Grumman Corporation 12 awardees, including Northrop Grumman Systems Corporation Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) 541714 Research and Development in Biotechnology (except Nanobiotechnology)	$74,977,131	3.1%	Rank history: #3 in FY2022, #4 in FY2023, #4 in FY2024 and #7 in FY2025; down 1 since FY2020.
5	General Dynamics Corporation 5 awardees, including Applied Physical Sciences Corp and General Dynamics Mission Systems, Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541513 Computer Facilities Management Services 541330 Engineering Services	$73,715,678	3.0%	Rank history: #10 in FY2022, #12 in FY2023, #15 in FY2024 and #12 in FY2025; up 2 since FY2020.
6	Sri International 2 awardees Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) 541720 Research and Development in the Social Sciences and Humanities	$63,207,959	2.6%	Rank history: #8 in FY2022, #13 in FY2023, #13 in FY2024 and #13 in FY2025; unchanged since FY2020.
7	The Boeing Company 11 awardees, including HRL Laboratories, LLC, Aurora Flight Sciences Corporation and Millennium Space Systems, Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) 336411 Aircraft Manufacturing	$62,000,576	2.6%	Rank history: #12 in FY2022, #6 in FY2023, #1 in FY2024 and #10 in FY2025; up 65 since FY2020.
8	Booz Allen Hamilton Holding Corporation 2 awardees, including Booz Allen Hamilton Inc. Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services 541690 Other Scientific and Technical Consulting Services 541330 Engineering Services	$53,872,385	2.2%	Rank history: #9 in FY2022, #8 in FY2023, #6 in FY2024 and #6 in FY2025; up 2 since FY2020.
9	The Johns Hopkins University 2 awardees, including The Johns Hopkins University Applied Physics Laboratory LLC Top NAICS codes 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) 541714 Research and Development in Biotechnology (except Nanobiotechnology) 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$48,110,039	2.0%	Rank history: #5 in FY2022, #9 in FY2023, #30 in FY2024 and not on the FY2025 list; unchanged since FY2020.
10	L3Harris Technologies, Inc. 12 awardees, including L3 Technologies, Inc., Jariet Technologies, Inc. and CAE USA Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$44,547,268	1.8%	Rank history: #20 in FY2022, #55 in FY2023, #79 in FY2024 and not on the FY2025 list; up 17 since FY2020.
11	Perspecta Inc. 2 awardees, including Peraton Labs Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$42,432,389	1.8%	Rank history: not on the FY2022–FY2025 lists; up 4 since FY2020.
12	Securigence LLC Top NAICS codes 541511 Custom Computer Programming Services	$41,472,139	1.7%	Rank history: #4 in FY2022, #5 in FY2023, #3 in FY2024 and #3 in FY2025; new, not ranked in FY2020.
13	Leidos Holdings, Inc. 5 awardees, including Leidos, Inc., Gibbs & Cox Inc. and Dynetics, Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541714 Research and Development in Biotechnology (except Nanobiotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$36,647,378	1.5%	Rank history: #21 in FY2022, #22 in FY2023, #27 in FY2024 and #20 in FY2025; unchanged since FY2020.
14	BAE Systems PLC 5 awardees, including BAE Systems Information & Electronic Systems Integration Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$36,367,582	1.5%	Rank history: #7 in FY2022, #3 in FY2023, #9 in FY2024 and #4 in FY2025; down 2 since FY2020.
15	Two Six Labs Holdings, Inc. Through Two Six Labs, LLC Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$35,494,606	1.5%	Rank history: #11 in FY2022, #10 in FY2023, #29 in FY2024 and not on the FY2025 list; up 5 since FY2020.
16	General Electric Company Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541714 Research and Development in Biotechnology (except Nanobiotechnology)	$31,453,743	1.3%	Rank history: #15 in FY2022, #15 in FY2023, #41 in FY2024 and #70 in FY2025; up 17 since FY2020.
17	General Atomic Technologies Corporation 2 awardees, including General Atomics and General Atomics Aeronautical Systems, Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$31,190,595	1.3%	Rank history: #25 in FY2022, #16 in FY2023, #14 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
18	Battelle Memorial Institute Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541714 Research and Development in Biotechnology (except Nanobiotechnology)	$27,961,046	1.2%	Rank history: #29 in FY2022, #26 in FY2023, #23 in FY2024 and #18 in FY2025; up 18 since FY2020.
19	Agile Defense, LLC Top NAICS codes 541512 Computer Systems Design Services	$27,536,689	1.1%	Rank history: not on the FY2022–FY2025 lists; down 3 since FY2020.
20	Galois, Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$26,881,188	1.1%	Rank history: #24 in FY2022, #20 in FY2023, #28 in FY2024 and #19 in FY2025; down 3 since FY2020.
21	System High Corporation Top NAICS codes 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use	$25,139,469	1.0%	Rank history: #30 in FY2022, #18 in FY2023, #18 in FY2024 and #16 in FY2025; down 3 since FY2020.
22	University of Southern California Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) 611310 Colleges, Universities, and Professional Schools	$24,855,767	1.0%	Rank history: #23 in FY2022, #24 in FY2023, #34 in FY2024 and #69 in FY2025; up 1 since FY2020.
23	Georgia TECH Research Corp 2 awardees, including Georgia TECH Applied Research Corp Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$24,733,768	1.0%	Rank history: #22 in FY2022, #21 in FY2023, #31 in FY2024 and #47 in FY2025; down 9 since FY2020.
24	Strategic Analysis, Inc. Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services 541690 Other Scientific and Technical Consulting Services	$24,123,760	1.0%	Rank history: #17 in FY2022, #14 in FY2023, #12 in FY2024 and #9 in FY2025; down 5 since FY2020.
25	Pacific Marine & Supply Company Ltd Through Pacmar Technologies LLC Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$22,236,962	0.9%	Rank history: #18 in FY2022, #35 in FY2023, #62 in FY2024 and not on the FY2025 list; up 116 since FY2020.
26	On Assignment, Inc. 2 awardees, including ECS Federal, LLC Top NAICS codes 541690 Other Scientific and Technical Consulting Services 541990 All Other Professional, Scientific, and Technical Services	$21,652,053	0.9%	Rank history: #14 in FY2022, #17 in FY2023, #74 in FY2024 and not on the FY2025 list; up 2 since FY2020.
27	Kudu Dynamics LLC Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) 541720 Research and Development in the Social Sciences and Humanities	$21,395,768	0.9%	Rank history: #27 in FY2022, #27 in FY2023, #17 in FY2024 and not on the FY2025 list; down 6 since FY2020.
28	CACI International Inc. 5 awardees, including Caci Inc - Federal, Next Century Corporation and LGS Innovations LLC Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541714 Research and Development in Biotechnology (except Nanobiotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$17,772,291	0.7%	Rank history: #13 in FY2022, #19 in FY2023, #69 in FY2024 and #35 in FY2025; up 27 since FY2020.
29	Charles River Analytics, Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$16,804,629	0.7%	Rank history: #35 in FY2022, #25 in FY2023, #42 in FY2024 and #34 in FY2025; up 3 since FY2020.
30	Cerebras Systems Inc.	$16,688,441	0.7%	Rank history: not on the FY2022 list, #42 in FY2023, #66 in FY2024 and not on the FY2025 list; up 19 since FY2020.
31	Seakr Engineering, LLC Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$16,518,726	0.7%	Rank history: #54 in FY2022 and not on the FY2023–FY2025 lists; up 11 since FY2020.
32	Aerovironment, Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$16,160,156	0.7%	Rank history: #66 in FY2022, not on the FY2023 list, #70 in FY2024 and not on the FY2025 list; up 68 since FY2020.
33	The Leland Stanford Junior University Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$15,579,035	0.6%	Rank history: #40 in FY2022, #43 in FY2023, #45 in FY2024 and #74 in FY2025; up 47 since FY2020.
34	Apogee Research LLC Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$13,757,983	0.6%	Rank history: #71 in FY2022, #41 in FY2023, #100 in FY2024 and #68 in FY2025; up 1 since FY2020.
35	The Charles Stark Draper Laboratory, Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541714 Research and Development in Biotechnology (except Nanobiotechnology)	$13,255,234	0.5%	Rank history: #57 in FY2022, #29 in FY2023, #40 in FY2024 and #49 in FY2025; up 17 since FY2020.
36	University System of Maryland 2 awardees, including University of Maryland, College Park Top NAICS codes 611310 Colleges, Universities, and Professional Schools	$13,021,860	0.5%	Rank history: #37 in FY2022, #30 in FY2023 and not on the FY2024–FY2025 lists; up 52 since FY2020.
37	BAE Systems Land & Armaments L.P. 4 awardees, including BAE Systems Information & Electronic Systems Integration Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$12,883,907	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
38	Mriglobal Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$12,333,703	0.5%	Rank history: #69 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
39	The Mitre Corporation Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$10,796,052	0.4%	Rank history: #88 in FY2022, not on the FY2023 list, #11 in FY2024 and not on the FY2025 list; down 15 since FY2020.
40	International Business Machines Corporation 2 awardees Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$10,782,372	0.4%	Rank history: #42 in FY2022, #67 in FY2023 and not on the FY2024–FY2025 lists; up 53 since FY2020.
41	Physical Sciences Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541714 Research and Development in Biotechnology (except Nanobiotechnology) 541713 Research and Development in Nanotechnology	$10,774,305	0.4%	Rank history: #31 in FY2022, #32 in FY2023, #86 in FY2024 and #66 in FY2025; up 62 since FY2020.
42	Florida Institute for Human & Machine Cognition Inc. Top NAICS codes 541714 Research and Development in Biotechnology (except Nanobiotechnology) 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$9,415,088	0.4%	Rank history: not on the FY2022–FY2025 lists; up 3 since FY2020.
43	Radiance Technologies Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$8,962,971	0.4%	Rank history: #55 in FY2022 and not on the FY2023–FY2025 lists; up 10 since FY2020.
44	Icahn School of Medicine at Mount Sinai Top NAICS codes 541714 Research and Development in Biotechnology (except Nanobiotechnology)	$8,847,264	0.4%	Rank history: #36 in FY2022 and not on the FY2023–FY2025 lists; down 10 since FY2020.
45	Accelint AI, LLC Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$8,656,956	0.4%	Rank history: not on the FY2022 list, #79 in FY2023 and not on the FY2024–FY2025 lists; down 15 since FY2020.
46	Mercury Computer Systems Inc. 3 awardees, including Mercury Systems Inc. and Mercury Defense Systems, Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$8,568,996	0.4%	Rank history: #83 in FY2022, #49 in FY2023 and not on the FY2024–FY2025 lists; up 21 since FY2020.
47	Modernatx Inc.	$8,415,141	0.3%	Rank history: #38 in FY2022, #56 in FY2023 and not on the FY2024–FY2025 lists; up 42 since FY2020.
48	Gryphon Technologies, Inc. Through Schafer Government Services, LLC Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services 541690 Other Scientific and Technical Consulting Services	$8,375,309	0.3%	Rank history: not on the FY2022 list, #39 in FY2023 and not on the FY2024–FY2025 lists; up 130 since FY2020.
49	Teledyne Technologies Incorporated 2 awardees, including Teledyne Scientific & Imaging, LLC and Teledyne Flir Defense, LLC Top NAICS codes 541714 Research and Development in Biotechnology (except Nanobiotechnology) 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$8,189,672	0.3%	Rank history: #33 in FY2022, #33 in FY2023, #24 in FY2024 and #56 in FY2025; down 2 since FY2020.
50	Kitware Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541511 Custom Computer Programming Services	$7,950,594	0.3%	Rank history: #49 in FY2022 and not on the FY2023–FY2025 lists; up 28 since FY2020.
51	Smart Information Flow Technologies LLC Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$7,267,873	0.3%	Rank history: #85 in FY2022, not on the FY2023 list, #83 in FY2024 and #79 in FY2025; up 23 since FY2020.
52	Data Machines Corp. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$7,120,109	0.3%	Rank history: #74 in FY2022 and not on the FY2023–FY2025 lists; up 24 since FY2020.
53	State of California Controllers Office 7 awardees, including The Regents of the University of California, University of California, Santa Barbara and University of California, Davis Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541714 Research and Development in Biotechnology (except Nanobiotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$7,034,342	0.3%	Rank history: #65 in FY2022, #74 in FY2023 and not on the FY2024–FY2025 lists; up 5 since FY2020.
54	Raytheon Company Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$7,012,181	0.3%	Rank history: not on the FY2022–FY2025 lists; up 204 since FY2020.
55	Arizona State University Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 611310 Colleges, Universities, and Professional Schools	$6,919,407	0.3%	Rank history: #76 in FY2022, #47 in FY2023 and not on the FY2024–FY2025 lists; up 72 since FY2020.
56	Aerojet Rocketdyne Holdings, Inc. Through Aerojet Rocketdyne Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$6,907,692	0.3%	Rank history: #60 in FY2022 and not on the FY2023–FY2025 lists; down 19 since FY2020.
57	Carnegie-Mellon University Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541714 Research and Development in Biotechnology (except Nanobiotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$6,871,906	0.3%	Rank history: #39 in FY2022 and not on the FY2023–FY2025 lists; up 26 since FY2020.
58	Metron Incorporated Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541713 Research and Development in Nanotechnology	$6,834,371	0.3%	Rank history: #44 in FY2022, #23 in FY2023 and not on the FY2024–FY2025 lists; down 12 since FY2020.
59	Fregata Systems LLC Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$6,806,248	0.3%	Rank history: #93 in FY2022 and not on the FY2023–FY2025 lists; up 264 since FY2020.
60	Mantech International Corporation Through Mantech SRS Technologies, Inc. Top NAICS codes 541690 Other Scientific and Technical Consulting Services	$6,573,653	0.3%	Rank history: #41 in FY2022, #28 in FY2023, #26 in FY2024 and not on the FY2025 list; up 32 since FY2020.
61	Four Points Technology, L.L.C. Top NAICS codes 541519 Other Computer Related Services	$6,537,757	0.3%	Rank history: #43 in FY2022, #63 in FY2023, #20 in FY2024 and #26 in FY2025; up 55 since FY2020.
62	PAE Government Services Inc. Through Centra Technology, Inc. Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services	$6,485,199	0.3%	Rank history: not on the FY2022 list, #61 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
63	Massachusetts Institute of Technology 2 awardees Top NAICS codes 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541711 Research and Development in Biotechnology	$6,426,120	0.3%	Rank history: #72 in FY2022, #84 in FY2023 and not on the FY2024–FY2025 lists; down 55 since FY2020.
64	Infleqtion Quantum, LLC Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$6,347,000	0.3%	Rank history: not on the FY2022 list, #93 in FY2023 and not on the FY2024–FY2025 lists; up 85 since FY2020.
65	Par Technology Corporation Through Par Government Systems Corporation Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$6,332,633	0.3%	Rank history: #96 in FY2022 and not on the FY2023–FY2025 lists; up 19 since FY2020.
66	Mantech Tsg-2 Joint Venture Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$6,197,962	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
67	Viasat Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$6,105,001	0.3%	Rank history: #47 in FY2022, #99 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
68	Serco North America (Holdings) Inc Through Serco Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$5,911,164	0.2%	Rank history: not on the FY2022–FY2025 lists; up 107 since FY2020.
69	Honeywell International Inc. 5 awardees Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541714 Research and Development in Biotechnology (except Nanobiotechnology)	$5,911,088	0.2%	Rank history: #53 in FY2022, #90 in FY2023, not on the FY2024 list and #40 in FY2025; up 29 since FY2020.
70	Dynetics, Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$5,852,179	0.2%	Rank history: not on the FY2022–FY2025 lists; down 48 since FY2020.
71	Northrop Grumman Systems Corporation Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$5,812,518	0.2%	Rank history: not on the FY2022–FY2025 lists; down 17 since FY2020.
72	Thomson Reuters Special Services LLC Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$5,738,913	0.2%	Rank history: #34 in FY2022, #51 in FY2023, #73 in FY2024 and not on the FY2025 list; down 12 since FY2020.
73	William Marsh Rice University Top NAICS codes 541714 Research and Development in Biotechnology (except Nanobiotechnology)	$5,713,480	0.2%	Rank history: not on the FY2022–FY2025 lists; up 223 since FY2020.
74	Intific Inc 3 awardees, including Cubic Defense Applications, Inc. Top NAICS codes 541714 Research and Development in Biotechnology (except Nanobiotechnology) 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$5,476,914	0.2%	Rank history: not on the FY2022–FY2025 lists; down 36 since FY2020.
75	By Light Professional It Services LLC Through Cole Engineering Services, Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$5,289,799	0.2%	Rank history: not on the FY2022–FY2025 lists; up 16 since FY2020.
76	Trellisware Technologies Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$5,251,185	0.2%	Rank history: not on the FY2022–FY2025 lists; up 26 since FY2020.
77	A2 Labs, LLC Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$5,222,202	0.2%	Rank history: #99 in FY2022, #69 in FY2023, #36 in FY2024 and #43 in FY2025; down 15 since FY2020.
78	California Institute of Technology Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$5,213,783	0.2%	Rank history: #48 in FY2022, #60 in FY2023, not on the FY2024 list and #30 in FY2025; up 26 since FY2020.
79	Kbr, Inc. 3 awardees, including KBR Wyle Services, LLC Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$5,070,045	0.2%	Rank history: #56 in FY2022, #82 in FY2023 and not on the FY2024–FY2025 lists; up 80 since FY2020.
80	Gentech Associates Inc. Top NAICS codes 541219 Other Accounting Services	$4,927,066	0.2%	Rank history: not on the FY2022–FY2025 lists; up 25 since FY2020.
81	Summit2Sea Consulting, LLC Top NAICS codes 541519 Other Computer Related Services	$4,860,855	0.2%	Rank history: #82 in FY2022, #50 in FY2023, #65 in FY2024 and #50 in FY2025; down 12 since FY2020.
82	Government of Canada Through Canadian Commercial Corporation Top NAICS codes 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$4,810,032	0.2%	Rank history: #58 in FY2022, #31 in FY2023 and not on the FY2024–FY2025 lists; up 53 since FY2020.
83	Grammatech, Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$4,772,691	0.2%	Rank history: not on the FY2022–FY2025 lists; down 32 since FY2020.
84	Donald Danforth Plant Science Center Top NAICS codes 541714 Research and Development in Biotechnology (except Nanobiotechnology)	$4,633,262	0.2%	Rank history: not on the FY2022–FY2025 lists; up 81 since FY2020.
85	Aptima Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$4,622,623	0.2%	Rank history: #79 in FY2022, #62 in FY2023 and not on the FY2024–FY2025 lists; down 17 since FY2020.
86	Siemens Aktiengesellschaft 2 awardees, including Siemens Corporation and Siemens Government Technologies Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541713 Research and Development in Nanotechnology	$4,471,154	0.2%	Rank history: #91 in FY2022, #100 in FY2023 and not on the FY2024–FY2025 lists; up 4 since FY2020.
87	The Pennsylvania State University Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$4,297,914	0.2%	Rank history: #32 in FY2022, #36 in FY2023, #47 in FY2024 and #21 in FY2025; down 23 since FY2020.
88	The Vanderbilt University Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$4,159,142	0.2%	Rank history: #62 in FY2022, #71 in FY2023 and not on the FY2024–FY2025 lists; up 30 since FY2020.
89	The Ultran Group, Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$3,999,695	0.2%	Rank history: not on the FY2022–FY2023 lists, #96 in FY2024 and not on the FY2025 list; up 143 since FY2020.
90	Trail of Bits Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$3,999,197	0.2%	Rank history: not on the FY2022–FY2025 lists; up 50 since FY2020.
91	Logistics Management Institute Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$3,946,578	0.2%	Rank history: #59 in FY2022 and not on the FY2023–FY2025 lists; down 25 since FY2020.
92	University of Washington Top NAICS codes 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$3,833,894	0.2%	Rank history: #75 in FY2022, #75 in FY2023, #33 in FY2024 and #57 in FY2025; down 15 since FY2020.
93	Systems Planning and Analysis, Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$3,661,015	0.2%	Rank history: not on the FY2022–FY2024 lists and #25 in FY2025; up 36 since FY2020.
94	The Research Foundation for the State University of New York Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$3,653,353	0.2%	Rank history: #77 in FY2022, #70 in FY2023, not on the FY2024 list and #44 in FY2025; up 17 since FY2020.
95	Autonomous Therapeutics Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$3,576,170	0.1%	Rank history: not on the FY2022–FY2025 lists; up 90 since FY2020.
96	Ginkgo Bioworks, Inc. Top NAICS codes 541714 Research and Development in Biotechnology (except Nanobiotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$3,549,743	0.1%	Rank history: not on the FY2022–FY2025 lists; down 10 since FY2020.
97	University of Pittsburgh - of the Commonwealth System of Higher Education Top NAICS codes 541714 Research and Development in Biotechnology (except Nanobiotechnology)	$3,530,668	0.1%	Rank history: not on the FY2022–FY2025 lists; up 83 since FY2020.
98	Cromulence LLC Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$3,417,126	0.1%	Rank history: #81 in FY2022, #87 in FY2023, #39 in FY2024 and #38 in FY2025; up 118 since FY2020.
99	Institute for Defense Analyses Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services	$3,243,619	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
100	Duke University Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$3,149,058	0.1%	Rank history: not on the FY2022–FY2025 lists; up 106 since FY2020.

How this ranking works

• Source: every contract action FPDS records (as published on SAM.gov) in the period, as GovTribe received it.
• Amounts are net obligations: what was obligated, less what was deobligated. Shares are of $2.42 billion obligated before deobligations, so they never pass 100%.
• Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
• Fiscal year 2021 ran Oct 1, 2020 – Sep 30, 2021. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
• Rank changes compare with FY2020. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
• Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2020 takes the color of the rank change beside it.
• Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

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