Top 100 Contractors in PSC AJ: General Science and Technology R&D Services, FY2024

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	National Security Technology Accelerator Inc. Top agencies WHS (DOD Washington Headquarters Service) Navy (Department of the Navy) OSD (Office of the Secretary of Defense)	$347,765,177	6.2%	Rank history: #3 in FY2021, #3 in FY2022, #1 in FY2023 and #11 in FY2025; unchanged since FY2023.
2	Battelle Savannah River Alliance, LLC Top agencies DOE (Department of Energy)	$278,585,044	4.9%	Rank history: #2 in FY2021, not on the FY2022–FY2023 lists and #1 in FY2025; returned.
3	Georgia TECH Applied Research Corp Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$201,737,113	3.6%	Rank history: #96 in FY2021, not on the FY2022–FY2023 lists and #2 in FY2025; returned.
4	The Mitre Corporation 2 awardees Top agencies DHS (Department of Homeland Security) Commerce (Department of Commerce) HHS (Department of Health and Human Services)	$189,686,574	3.4%	Rank history: #5 in FY2021, #5 in FY2022, #4 in FY2023 and #4 in FY2025; unchanged since FY2023.
5	Battelle Memorial Institute 4 awardees, including Battelle Savannah River Alliance, LLC and Battelle National Biodefense Institute, LLC Top agencies DOE (Department of Energy) DHS (Department of Homeland Security) HHS (Department of Health and Human Services)	$142,710,327	2.5%	Rank history: #23 in FY2021, #2 in FY2022, #3 in FY2023 and #10 in FY2025; down 2 since FY2023.
6	American Systems Corporation Top agencies OSD (Office of the Secretary of Defense) Navy (Department of the Navy) NASA (National Aeronautics and Space Administration)	$124,693,944	2.2%	Rank history: #38 in FY2021, #9 in FY2022, #9 in FY2023 and #7 in FY2025; up 3 since FY2023.
7	Science Systems and Applications, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$114,364,527	2.0%	Rank history: #4 in FY2021, #4 in FY2022, #6 in FY2023 and #6 in FY2025; down 1 since FY2023.
8	Advanced Technology International Top agencies OSD (Office of the Secretary of Defense) Navy (Department of the Navy)	$97,801,243	1.7%	Rank history: not on the FY2021–FY2023 lists and #3 in FY2025; new.
9	Assurance Technology Corp Top agencies Navy (Department of the Navy)	$68,250,041	1.2%	Rank history: #6 in FY2021, #6 in FY2022, #7 in FY2023 and #5 in FY2025; down 2 since FY2023.
10	Carnegie-Mellon University Top agencies HHS (Department of Health and Human Services) Army (Department of the Army) NASA (National Aeronautics and Space Administration)	$67,702,810	1.2%	Rank history: not on the FY2021 list, #41 in FY2022, #34 in FY2023 and #86 in FY2025; up 24 since FY2023.
11	Emergent Biodefense Operations Lansing LLC Top agencies HHS (Department of Health and Human Services)	$67,400,672	1.2%	Rank history: not on the FY2021–FY2023 lists and #68 in FY2025; new.
12	Southwest Research Institute Top agencies NASA (National Aeronautics and Space Administration) USAF (Department of the Air Force) NRC (Nuclear Regulatory Commission)	$66,524,707	1.2%	Rank history: #13 in FY2021, #11 in FY2022, #13 in FY2023 and #13 in FY2025; up 1 since FY2023.
13	National Center for Defense Manufacturing and Machining Top agencies Army (Department of the Army)	$60,596,444	1.1%	Rank history: not on the FY2021 list, #17 in FY2022, #12 in FY2023 and #37 in FY2025; down 1 since FY2023.
14	Leidos Holdings, Inc. 6 awardees, including Leidos, Inc. and Dynetics, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) DARPA (Defense Advanced Research Projects Agency)	$57,334,413	1.0%	Rank history: #16 in FY2021, #8 in FY2022, #5 in FY2023 and #8 in FY2025; down 9 since FY2023.
15	Linquest Corporation 2 awardees Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$50,981,015	0.9%	Rank history: #10 in FY2021, #10 in FY2022, #8 in FY2023 and #24 in FY2025; down 7 since FY2023.
16	The Trustees of Columbia University In the City of New York Top agencies HHS (Department of Health and Human Services) NASA (National Aeronautics and Space Administration)	$49,568,789	0.9%	Rank history: #42 in FY2021, #54 in FY2022, #63 in FY2023 and #62 in FY2025; up 47 since FY2023.
17	Neany Inc. Top agencies Army (Department of the Army)	$48,850,110	0.9%	Rank history: not on the FY2021–FY2023 lists and #75 in FY2025; new.
18	Every Cure Inc. Top agencies HHS (Department of Health and Human Services)	$48,266,700	0.9%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
19	The Regents of the University of Colorado 2 awardees Top agencies NASA (National Aeronautics and Space Administration) Army (Department of the Army) DOJ (Department of Justice)	$48,111,548	0.9%	Rank history: #21 in FY2021, #18 in FY2022, #16 in FY2023 and #14 in FY2025; down 3 since FY2023.
20	Applied Research Associates, Inc. 2 awardees Top agencies Army (Department of the Army) OSD (Office of the Secretary of Defense) USAF (Department of the Air Force)	$45,439,412	0.8%	Rank history: #14 in FY2021, #12 in FY2022, #22 in FY2023 and #55 in FY2025; up 2 since FY2023.
21	Bastion Technologies, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$44,256,804	0.8%	Rank history: #11 in FY2021, #16 in FY2022, #15 in FY2023 and #20 in FY2025; down 6 since FY2023.
22	L3Harris Technologies, Inc. 8 awardees, including L3Harris Nexgen Communications LLC, L3Harris Linchpin Labs, Inc. and L3 Technologies, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$44,211,257	0.8%	Rank history: not on the FY2021 list, #58 in FY2022, #48 in FY2023 and #18 in FY2025; up 26 since FY2023.
23	OPR LLC Top agencies NASA (National Aeronautics and Space Administration)	$36,740,735	0.7%	Rank history: #22 in FY2021, #21 in FY2022, #24 in FY2023 and #36 in FY2025; up 1 since FY2023.
24	The Kenific Group LLC Top agencies Navy (Department of the Navy)	$36,289,224	0.6%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
25	Avantus Federal LLC Top agencies OSD (Office of the Secretary of Defense)	$34,098,446	0.6%	Rank history: not on the FY2021–FY2023 lists and #29 in FY2025; new.
26	University of Maryland, College Park Top agencies NASA (National Aeronautics and Space Administration) OSD (Office of the Secretary of Defense) Navy (Department of the Navy)	$34,048,765	0.6%	Rank history: not on the FY2021–FY2023 lists and #9 in FY2025; up 177 since FY2023.
27	Georgia TECH Research Corp 2 awardees, including Georgia TECH Applied Research Corp Top agencies Army (Department of the Army) NASA (National Aeronautics and Space Administration) Navy (Department of the Navy)	$34,040,620	0.6%	Rank history: #1 in FY2021, #1 in FY2022, #2 in FY2023 and #50 in FY2025; down 25 since FY2023.
28	Parsons Corporation Through Parsons Government Services Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$33,194,560	0.6%	Rank history: #92 in FY2021, #28 in FY2022, #10 in FY2023 and #22 in FY2025; down 18 since FY2023.
29	Universities Space Research Association 2 awardees Top agencies NASA (National Aeronautics and Space Administration)	$32,929,160	0.6%	Rank history: #25 in FY2021, #22 in FY2022, #39 in FY2023 and #78 in FY2025; up 10 since FY2023.
30	DCS Corporation 3 awardees Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$32,667,602	0.6%	Rank history: #26 in FY2021, #26 in FY2022, #21 in FY2023 and #31 in FY2025; down 9 since FY2023.
31	Danaher Corporation 3 awardees, including Cepheid, AB Sciex LLC and Molecular Devices LLC Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$32,156,613	0.6%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
32	Vecprobio Inc. Top agencies HHS (Department of Health and Human Services)	$30,262,956	0.5%	Rank history: not on the FY2021–FY2023 lists and #72 in FY2025; new.
33	Excet, LLC Top agencies Navy (Department of the Navy)	$29,483,573	0.5%	Rank history: #39 in FY2021, #32 in FY2022, #44 in FY2023 and #74 in FY2025; up 11 since FY2023.
34	University of Alaska System 3 awardees, including University of Alaska Fairbanks and University of Alaska Anchorage Top agencies NASA (National Aeronautics and Space Administration) Army (Department of the Army) DTRA (Defense Threat Reduction Agency)	$29,209,831	0.5%	Rank history: #29 in FY2021, #31 in FY2022, #33 in FY2023 and not on the FY2025 list; down 1 since FY2023.
35	Transportation Research Center Inc. Top agencies DOT (Department of Transportation)	$27,774,255	0.5%	Rank history: not on the FY2021–FY2023 lists and #58 in FY2025; up 83 since FY2023.
36	Envision Innovative Solutions, Inc. Top agencies Army (Department of the Army)	$27,476,100	0.5%	Rank history: not on the FY2021–FY2022 lists, #18 in FY2023 and #23 in FY2025; down 18 since FY2023.
37	Mayo Clinic Top agencies HHS (Department of Health and Human Services)	$27,142,018	0.5%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
38	Arctic Slope Regional Corporation 2 awardees, including Asrc Federal System Solutions LLC and Asrc Federal Data Solutions, LLC Top agencies Navy (Department of the Navy) DOI (Department of the Interior)	$26,054,313	0.5%	Rank history: #35 in FY2021, #33 in FY2022, #37 in FY2023 and #43 in FY2025; down 1 since FY2023.
39	Modern Technology Solutions, Inc. Top agencies OSD (Office of the Secretary of Defense)	$25,438,114	0.5%	Rank history: #41 in FY2021, #45 in FY2022, #28 in FY2023 and #25 in FY2025; down 11 since FY2023.
40	General Dynamics Corporation 8 awardees, including General Dynamics Information Technology, Inc., Praxis Engineering Technologies LLC and General Dynamics Mission Systems, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$24,677,007	0.4%	Rank history: #15 in FY2021, #46 in FY2022, #31 in FY2023 and #85 in FY2025; down 9 since FY2023.
41	KBR Wyle Services LLC 3 awardees Top agencies NASA (National Aeronautics and Space Administration) Navy (Department of the Navy) USAF (Department of the Air Force)	$24,417,784	0.4%	Rank history: not on the FY2021–FY2023 lists and #19 in FY2025; new.
42	The Johns Hopkins University 2 awardees, including The Johns Hopkins University Applied Physics Laboratory LLC Top agencies NASA (National Aeronautics and Space Administration) Army (Department of the Army) VA (Department of Veterans Affairs)	$24,091,244	0.4%	Rank history: #36 in FY2021, #23 in FY2022, #25 in FY2023 and not on the FY2025 list; down 17 since FY2023.
43	Riverside Technology Inc. Top agencies Commerce (Department of Commerce)	$23,311,296	0.4%	Rank history: #47 in FY2021, #53 in FY2022, #65 in FY2023 and not on the FY2025 list; up 22 since FY2023.
44	Bay Area Environmental Research Institute Top agencies NASA (National Aeronautics and Space Administration)	$22,672,464	0.4%	Rank history: not on the FY2021–FY2022 lists, #84 in FY2023 and #45 in FY2025; up 40 since FY2023.
45	Morsecorp, Inc. Top agencies Army (Department of the Army) OSD (Office of the Secretary of Defense) WHS (DOD Washington Headquarters Service)	$22,388,774	0.4%	Rank history: not on the FY2021 list, #100 in FY2022, #49 in FY2023 and #95 in FY2025; up 4 since FY2023.
46	The Johns Hopkins University Applied Physics Laboratory LLC Top agencies Army (Department of the Army) DHS (Department of Homeland Security) DHA (Defense Health Agency)	$21,866,096	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
47	Utah State University Space Dynamics Laboratory Top agencies Navy (Department of the Navy)	$21,378,416	0.4%	Rank history: not on the FY2021–FY2023 lists and #65 in FY2025; new.
48	Laulima Government Solutions, LLC Top agencies HHS (Department of Health and Human Services)	$20,867,441	0.4%	Rank history: #30 in FY2021, #29 in FY2022, #38 in FY2023 and #57 in FY2025; down 10 since FY2023.
49	Massachusetts Institute of Technology Top agencies NASA (National Aeronautics and Space Administration) HHS (Department of Health and Human Services) Army (Department of the Army)	$19,939,670	0.4%	Rank history: #65 in FY2021, #42 in FY2022, #47 in FY2023 and #41 in FY2025; down 2 since FY2023.
50	Envisioneering Inc. Top agencies Navy (Department of the Navy)	$19,358,563	0.3%	Rank history: not on the FY2021–FY2023 lists and #30 in FY2025; new.
51	The Pennsylvania State University Top agencies NASA (National Aeronautics and Space Administration) DARPA (Defense Advanced Research Projects Agency) Navy (Department of the Navy)	$18,833,317	0.3%	Rank history: #54 in FY2021, #38 in FY2022, #54 in FY2023 and #54 in FY2025; up 3 since FY2023.
52	University of Arizona Top agencies NASA (National Aeronautics and Space Administration) Army (Department of the Army) HHS (Department of Health and Human Services)	$18,832,283	0.3%	Rank history: not on the FY2021–FY2023 lists and #26 in FY2025; up 109 since FY2023.
53	Kbr, Inc. 3 awardees, including KBR Wyle Services, LLC Top agencies NASA (National Aeronautics and Space Administration) Navy (Department of the Navy)	$18,652,594	0.3%	Rank history: #7 in FY2021, #14 in FY2022, #14 in FY2023 and not on the FY2025 list; down 39 since FY2023.
54	The Regents of the University of California Top agencies NASA (National Aeronautics and Space Administration) Army (Department of the Army)	$17,547,330	0.3%	Rank history: #82 in FY2021, #89 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
55	Humanit Solutions LLC Top agencies NASA (National Aeronautics and Space Administration) USAF (Department of the Air Force)	$17,506,653	0.3%	Rank history: not on the FY2021–FY2023 lists and #73 in FY2025; up 59 since FY2023.
56	Qinetiq Inc. Top agencies Army (Department of the Army)	$16,927,855	0.3%	Rank history: not on the FY2021–FY2023 lists and #27 in FY2025; new.
57	Next Defense Solutions, LLC Top agencies Army (Department of the Army)	$16,607,591	0.3%	Rank history: #34 in FY2021, #30 in FY2022, #97 in FY2023 and not on the FY2025 list; up 40 since FY2023.
58	University of Texas At Austin Top agencies NASA (National Aeronautics and Space Administration) Army (Department of the Army) HHS (Department of Health and Human Services)	$16,563,905	0.3%	Rank history: not on the FY2021–FY2023 lists and #61 in FY2025; new.
59	General Atomics Aeronautical Systems, Inc. Top agencies WHS (DOD Washington Headquarters Service)	$16,345,551	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
60	University of Dayton Top agencies USAF (Department of the Air Force) Army (Department of the Army) NASA (National Aeronautics and Space Administration)	$16,292,739	0.3%	Rank history: not on the FY2021–FY2022 lists, #58 in FY2023 and #89 in FY2025; down 2 since FY2023.
61	Booz Allen Hamilton Holding Corporation 2 awardees, including Booz Allen Hamilton Inc. Top agencies Army (Department of the Army)	$15,513,917	0.3%	Rank history: #28 in FY2021, #47 in FY2022, #51 in FY2023 and #28 in FY2025; down 10 since FY2023.
62	University of Illinois 2 awardees Top agencies NASA (National Aeronautics and Space Administration) Army (Department of the Army) DHS (Department of Homeland Security)	$15,120,133	0.3%	Rank history: #71 in FY2021, #50 in FY2022, #36 in FY2023 and not on the FY2025 list; down 26 since FY2023.
63	University of Hawaii Top agencies NASA (National Aeronautics and Space Administration)	$14,777,923	0.3%	Rank history: not on the FY2021–FY2023 lists and #51 in FY2025; new.
64	Teamstaff Inc. Through Social & Scientific Systems, Inc. Top agencies HHS (Department of Health and Human Services)	$14,311,611	0.3%	Rank history: #32 in FY2021, #35 in FY2022, #43 in FY2023 and #83 in FY2025; down 21 since FY2023.
65	San Jose State University Research Foundation Top agencies NASA (National Aeronautics and Space Administration)	$14,143,314	0.3%	Rank history: not on the FY2021–FY2022 lists, #62 in FY2023 and #80 in FY2025; down 3 since FY2023.
66	Board of Governers State University System of Florida 7 awardees, including The University of Central Florida Board of Trustees, Florida State University and University of Florida Top agencies NASA (National Aeronautics and Space Administration) Army (Department of the Army) Navy (Department of the Navy)	$13,531,153	0.2%	Rank history: #64 in FY2021, #34 in FY2022, #20 in FY2023 and not on the FY2025 list; down 46 since FY2023.
67	Innovative Defense Technologies LLC Top agencies Navy (Department of the Navy)	$13,338,996	0.2%	Rank history: not on the FY2021–FY2023 lists and #38 in FY2025; new.
68	RTX Corporation 10 awardees, including Rockwell Collins, Inc., RTX BBN Technologies, Inc. and Raytheon Company Top agencies USAF (Department of the Air Force) DARPA (Defense Advanced Research Projects Agency) Army (Department of the Army)	$13,279,012	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
69	New Horizons Aeronautics, LLC Top agencies NASA (National Aeronautics and Space Administration)	$13,275,400	0.2%	Rank history: #24 in FY2021, #25 in FY2022, #42 in FY2023 and #87 in FY2025; down 27 since FY2023.
70	The University of Central Florida Board of Trustees Top agencies NASA (National Aeronautics and Space Administration) Army (Department of the Army) NRC (Nuclear Regulatory Commission)	$13,250,940	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
71	Icon Technology Inc. Top agencies NASA (National Aeronautics and Space Administration) DARPA (Defense Advanced Research Projects Agency)	$13,161,884	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
72	Semanticbits LLC Through ICF Incorporated, L.L.C. Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) CNCS (Corporation for National and Community Service)	$13,157,084	0.2%	Rank history: not on the FY2021–FY2023 lists and #84 in FY2025; new.
73	Diazyme Laboratories Inc. Through General Atomics Top agencies Navy (Department of the Navy) DOE (Department of Energy) NASA (National Aeronautics and Space Administration)	$12,841,535	0.2%	Rank history: not on the FY2021–FY2023 lists and #12 in FY2025; new.
74	Microsoft Corporation Top agencies USAF (Department of the Air Force)	$12,686,713	0.2%	Rank history: not on the FY2021–FY2023 lists and #39 in FY2025; up 38 since FY2023.
75	Regents of the University of Michigan Top agencies NASA (National Aeronautics and Space Administration) DOT (Department of Transportation) Army (Department of the Army)	$12,596,564	0.2%	Rank history: #85 in FY2021, #75 in FY2022, #67 in FY2023 and #67 in FY2025; down 8 since FY2023.
76	Amentum Technology, Inc. Top agencies Navy (Department of the Navy)	$12,455,647	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
77	Auburn University Top agencies DHS (Department of Homeland Security) NASA (National Aeronautics and Space Administration) USAF (Department of the Air Force)	$12,441,627	0.2%	Rank history: not on the FY2021 list, #67 in FY2022, not on the FY2023 list and #93 in FY2025; up 55 since FY2023.
78	Ensco Inc. Top agencies USAF (Department of the Air Force)	$12,435,421	0.2%	Rank history: #68 in FY2021, #69 in FY2022, #61 in FY2023 and not on the FY2025 list; down 17 since FY2023.
79	Aptima Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) DARPA (Defense Advanced Research Projects Agency)	$12,282,952	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
80	State of California Controllers Office 12 awardees, including The Regents of the University of California, University of California, LOS Angeles and University of California Irvine Top agencies NASA (National Aeronautics and Space Administration) Army (Department of the Army) VA (Department of Veterans Affairs)	$11,925,258	0.2%	Rank history: #9 in FY2021, #7 in FY2022, #11 in FY2023 and not on the FY2025 list; down 69 since FY2023.
81	Innovative Scientific Solutions Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$11,920,572	0.2%	Rank history: not on the FY2021–FY2022 lists, #70 in FY2023 and #69 in FY2025; down 11 since FY2023.
82	Childrens Mercy Hospital Top agencies HHS (Department of Health and Human Services)	$11,773,024	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
83	National Academy of Sciences Top agencies Army (Department of the Army) OSD (Office of the Secretary of Defense) HHS (Department of Health and Human Services)	$11,629,619	0.2%	Rank history: not on the FY2021–FY2022 lists, #64 in FY2023 and not on the FY2025 list; down 19 since FY2023.
84	Arizona State University Top agencies Army (Department of the Army) NASA (National Aeronautics and Space Administration)	$11,615,839	0.2%	Rank history: #87 in FY2021, #81 in FY2022, #68 in FY2023 and not on the FY2025 list; down 16 since FY2023.
85	The University of Iowa Top agencies DOT (Department of Transportation) NASA (National Aeronautics and Space Administration)	$11,458,008	0.2%	Rank history: not on the FY2021 list, #72 in FY2022, not on the FY2023 list and not on the FY2025 list; up 168 since FY2023.
86	University of Wisconsin System 2 awardees Top agencies NASA (National Aeronautics and Space Administration) HHS (Department of Health and Human Services) USDA (Department of Agriculture)	$11,397,680	0.2%	Rank history: #77 in FY2021, #39 in FY2022, #85 in FY2023 and not on the FY2025 list; down 1 since FY2023.
87	University System of Maryland 5 awardees, including University of Maryland, College Park, University of Maryland Baltimore County and University of Maryland, Baltimore Top agencies NASA (National Aeronautics and Space Administration) VA (Department of Veterans Affairs) Navy (Department of the Navy)	$11,387,669	0.2%	Rank history: #48 in FY2021, #43 in FY2022, #23 in FY2023 and not on the FY2025 list; down 64 since FY2023.
88	Vector Atomic Inc Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$11,199,986	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 336 since FY2023.
89	The University of Chicago Top agencies NASA (National Aeronautics and Space Administration) Army (Department of the Army)	$10,980,276	0.2%	Rank history: not on the FY2021 list, #63 in FY2022, #69 in FY2023 and not on the FY2025 list; down 20 since FY2023.
90	Northrop Grumman Corporation 10 awardees, including Northrop Grumman Systems Corporation Top agencies Army (Department of the Army) DARPA (Defense Advanced Research Projects Agency) NASA (National Aeronautics and Space Administration)	$10,844,789	0.2%	Rank history: not on the FY2021–FY2022 lists, #83 in FY2023 and #21 in FY2025; down 7 since FY2023.
91	Wichita State University Top agencies NASA (National Aeronautics and Space Administration) Navy (Department of the Navy)	$10,822,016	0.2%	Rank history: not on the FY2021–FY2022 lists, #74 in FY2023 and not on the FY2025 list; down 17 since FY2023.
92	The Washington University Top agencies NASA (National Aeronautics and Space Administration)	$10,746,677	0.2%	Rank history: #55 in FY2021, #59 in FY2022, not on the FY2023 list and not on the FY2025 list; up 149 since FY2023.
93	California Institute of Technology Top agencies NASA (National Aeronautics and Space Administration)	$10,694,316	0.2%	Rank history: not on the FY2021 list, #96 in FY2022, not on the FY2023 list and #40 in FY2025; up 13 since FY2023.
94	Smithsonian Institution Top agencies NASA (National Aeronautics and Space Administration)	$10,646,853	0.2%	Rank history: not on the FY2021–FY2023 lists and #53 in FY2025; new.
95	Teledyne Technologies Incorporated 3 awardees, including Nova Research, Inc., Teledyne Scientific & Imaging, LLC and Teledyne Flir Defense, LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) DARPA (Defense Advanced Research Projects Agency)	$10,424,201	0.2%	Rank history: not on the FY2021–FY2022 lists, #86 in FY2023 and not on the FY2025 list; down 9 since FY2023.
96	Science Applications International Corporation Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$10,340,275	0.2%	Rank history: not on the FY2021–FY2023 lists and #64 in FY2025; new.
97	Technology Service Corp 2 awardees Top agencies Navy (Department of the Navy)	$10,335,333	0.2%	Rank history: #27 in FY2021, #37 in FY2022, #60 in FY2023 and #88 in FY2025; down 37 since FY2023.
98	The Tomorrow Companies Inc. Top agencies WHS (DOD Washington Headquarters Service)	$10,229,075	0.2%	Rank history: #52 in FY2021, not on the FY2022–FY2023 lists and not on the FY2025 list; up 52 since FY2023.
99	University Corporation for Atmospheric Research Top agencies NASA (National Aeronautics and Space Administration)	$10,149,636	0.2%	Rank history: #98 in FY2021, #68 in FY2022, #89 in FY2023 and #99 in FY2025; down 10 since FY2023.
100	Morehead State University Top agencies NASA (National Aeronautics and Space Administration)	$9,953,000	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.

Rankings for the codes under PSC AJ

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 $5.65 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 2024 ran Oct 1, 2023 – Sep 30, 2024. 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 FY2023. "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 FY2023 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.

Quick answers