Top 100 Contractors in PSC R799: Other Management Support Services, FY2024

Name: Top 100 Contractors in PSC R799: Other Management Support Services, FY2024
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2023 – Sep 30, 2024 Code page on GovTribe

The top 10 won 32% of FY2024 PSC R799 contract dollars

Contract obligations: $3,542,852,805 Net of deobligations, by contracts coded PSC R799
Contractors: 1,416 Parent companies with an obligation
Largest contractor: Booz Allen Hamilton Holding Corporation $330 million, 8.9% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Booz Allen Hamilton Holding Corporation 2 awardees, including Booz Allen Hamilton Inc. Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy) USAF (Department of the Air Force)	$329,807,221	8.9%	Rank history: #1 in FY2021, #3 in FY2022, #1 in FY2023 and #1 in FY2025; unchanged since FY2023.
2	Fluor Corporation Through Fluor Federal Petroleum Operations, LLC Top agencies DOE (Department of Energy)	$162,137,981	4.4%	Rank history: #5 in FY2021, #1 in FY2022, #5 in FY2023 and #2 in FY2025; up 3 since FY2023.
3	Deloitte 4 awardees, including Deloitte Consulting LLP, Deloitte Financial Advisory Services LLP and Deloitte & Touche LLP Top agencies DOJ (Department of Justice) VA (Department of Veterans Affairs) Navy (Department of the Navy)	$113,490,863	3.1%	Rank history: #3 in FY2021, #7 in FY2022, #7 in FY2023 and #11 in FY2025; up 4 since FY2023.
4	Leidos Holdings, Inc. 6 awardees, including Leidos, Inc. Top agencies DISA (Defense Information Systems Agency) DOJ (Department of Justice) HHS (Department of Health and Human Services)	$112,011,366	3.0%	Rank history: #8 in FY2021, #4 in FY2022, #4 in FY2023 and #3 in FY2025; unchanged since FY2023.
5	RSI Entech, LLC Top agencies DOE (Department of Energy)	$106,859,649	2.9%	Rank history: #12 in FY2021, #6 in FY2022, #6 in FY2023 and not on the FY2025 list; up 1 since FY2023.
6	The Mitre Corporation 2 awardees Top agencies VA (Department of Veterans Affairs) Commerce (Department of Commerce) DHS (Department of Homeland Security)	$100,635,024	2.7%	Rank history: #7 in FY2021, #5 in FY2022, #2 in FY2023 and #10 in FY2025; down 4 since FY2023.
7	Northrop Grumman Corporation 5 awardees, including Northrop Grumman Systems Corporation Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$85,222,134	2.3%	Rank history: #6 in FY2021, #2 in FY2022, #3 in FY2023 and #5 in FY2025; down 4 since FY2023.
8	Human Technologies Corp Top agencies DOS (Department of State)	$73,905,476	2.0%	Rank history: not on the FY2021 list, #49 in FY2022, #73 in FY2023 and #79 in FY2025; up 65 since FY2023.
9	Noblis, Inc. Top agencies DTRA (Defense Threat Reduction Agency)	$66,735,450	1.8%	Rank history: #59 in FY2021, #11 in FY2022, #18 in FY2023 and #9 in FY2025; up 9 since FY2023.
10	The Boeing Company 3 awardees Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$56,127,840	1.5%	Rank history: #10 in FY2021, #8 in FY2022, #13 in FY2023 and #7 in FY2025; up 3 since FY2023.
11	Kbr, Inc. Through KBR Wyle Services, LLC Top agencies Army (Department of the Army)	$52,668,861	1.4%	Rank history: #18 in FY2021, #12 in FY2022, #12 in FY2023 and not on the FY2025 list; up 1 since FY2023.
12	Avantus Federal LLC Top agencies USAF (Department of the Air Force)	$52,474,847	1.4%	Rank history: #34 in FY2021, #30 in FY2022, #15 in FY2023 and #6 in FY2025; up 3 since FY2023.
13	Summome Native Ventures LLC Top agencies Treasury (Department of the Treasury) HHS (Department of Health and Human Services)	$46,849,707	1.3%	Rank history: not on the FY2021–FY2022 lists, #77 in FY2023 and #69 in FY2025; up 64 since FY2023.
14	Amentum Services, Inc. 3 awardees, including PAE Labat-Anderson LLC and PAE National Security Solutions LLC Top agencies DOJ (Department of Justice) Commerce (Department of Commerce) DTRA (Defense Threat Reduction Agency)	$42,384,357	1.1%	Rank history: not on the FY2021–FY2023 lists and #14 in FY2025; new.
15	Caci, LLC - Commercial Top agencies DOJ (Department of Justice)	$37,783,257	1.0%	Rank history: not on the FY2021 list, #15 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
16	Kpmg LLP 2 awardees Top agencies Navy (Department of the Navy) National Gallery of Art USAF (Department of the Air Force)	$29,521,781	0.8%	Rank history: #9 in FY2021, #10 in FY2022, #8 in FY2023 and not on the FY2025 list; down 8 since FY2023.
17	Ernst & Young LLP 3 awardees Top agencies DOT (Department of Transportation)	$29,224,760	0.8%	Rank history: not on the FY2021–FY2022 lists, #20 in FY2023 and #16 in FY2025; up 3 since FY2023.
18	International Business Machines Corporation 2 awardees Top agencies HHS (Department of Health and Human Services) DLA (Defense Logistics Agency)	$27,985,941	0.8%	Rank history: #13 in FY2021, #13 in FY2022, #19 in FY2023 and not on the FY2025 list; up 1 since FY2023.
19	Fusion Technology LLC Top agencies DOJ (Department of Justice)	$27,928,950	0.8%	Rank history: not on the FY2021–FY2023 lists and #25 in FY2025; new.
20	Information Systems & Networks Corporation Top agencies Navy (Department of the Navy)	$27,377,987	0.7%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2025; up 110 since FY2023.
21	Western Door Federal, LLC Top agencies DHA (Defense Health Agency)	$25,774,035	0.7%	Rank history: not on the FY2021 list, #98 in FY2022, #42 in FY2023 and #26 in FY2025; up 21 since FY2023.
22	General Dynamics Corporation 2 awardees, including General Dynamics Information Technology, Inc. and General Dynamics Mission Systems, Inc. Top agencies Navy (Department of the Navy) Commerce (Department of Commerce) DOJ (Department of Justice)	$25,054,027	0.7%	Rank history: #20 in FY2021, #17 in FY2022, #43 in FY2023 and #18 in FY2025; up 21 since FY2023.
23	Cherokee Nation Strategic Programs, L.L.C. Top agencies Treasury (Department of the Treasury) DOE (Department of Energy) DHS (Department of Homeland Security)	$22,321,769	0.6%	Rank history: not on the FY2021–FY2023 lists and #37 in FY2025; new.
24	Mckesson Corporation Through Ndchealth Corporation Top agencies HHS (Department of Health and Human Services)	$22,219,428	0.6%	Rank history: #28 in FY2021, #85 in FY2022, #22 in FY2023 and not on the FY2025 list; down 2 since FY2023.
25	AECOM Technical Services, Inc. Top agencies DHS (Department of Homeland Security)	$21,946,899	0.6%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
26	Ipkeys Technologies LLC Top agencies DISA (Defense Information Systems Agency)	$20,884,732	0.6%	Rank history: #42 in FY2021, #31 in FY2022, #32 in FY2023 and #60 in FY2025; up 6 since FY2023.
27	Guidehouse Digital LLC Top agencies Commerce (Department of Commerce) HHS (Department of Health and Human Services)	$20,319,820	0.5%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
28	Oak Ridge Associated Universities, Incorporated Top agencies NASA (National Aeronautics and Space Administration)	$20,188,702	0.5%	Rank history: not on the FY2021 list, #29 in FY2022, #24 in FY2023 and #20 in FY2025; down 4 since FY2023.
29	Call Henry Inc. Top agencies USAF (Department of the Air Force)	$19,990,011	0.5%	Rank history: not on the FY2021–FY2022 lists, #34 in FY2023 and #33 in FY2025; up 5 since FY2023.
30	Four Points Technology, L.L.C. Top agencies Commerce (Department of Commerce) VA (Department of Veterans Affairs) National Gallery of Art	$19,207,072	0.5%	Rank history: not on the FY2021–FY2023 lists and #39 in FY2025; new.
31	Itility, L.l.c Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security)	$18,918,553	0.5%	Rank history: #39 in FY2021, #75 in FY2022, #65 in FY2023 and #29 in FY2025; up 34 since FY2023.
32	PCI Government Services LLC Top agencies Treasury (Department of the Treasury) Commerce (Department of Commerce)	$17,582,846	0.5%	Rank history: not on the FY2021–FY2022 lists, #26 in FY2023 and not on the FY2025 list; down 6 since FY2023.
33	Spatial Front Inc Top agencies Commerce (Department of Commerce)	$17,169,451	0.5%	Rank history: not on the FY2021–FY2022 lists, #38 in FY2023 and #38 in FY2025; up 5 since FY2023.
34	Cayuse Holdings LLC Through Cayuse Technologies, LLC Top agencies DOS (Department of State)	$16,934,714	0.5%	Rank history: not on the FY2021–FY2023 lists and #50 in FY2025; new.
35	Spalding Consulting Inc. Top agencies Navy (Department of the Navy)	$16,829,068	0.5%	Rank history: not on the FY2021–FY2023 lists and #34 in FY2025; new.
36	KBR Wyle Services, LLC Top agencies Army (Department of the Army)	$16,681,828	0.4%	Rank history: not on the FY2021–FY2023 lists and #13 in FY2025; new.
37	Sehlke Consulting LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) USDA (Department of Agriculture)	$16,291,635	0.4%	Rank history: #29 in FY2021, #22 in FY2022, #28 in FY2023 and not on the FY2025 list; down 9 since FY2023.
38	Deployed Services, LLC Top agencies DHS (Department of Homeland Security)	$16,000,091	0.4%	Rank history: not on the FY2021–FY2023 lists and #49 in FY2025; new.
39	National Security Technology Accelerator Inc. Top agencies OSD (Office of the Secretary of Defense)	$15,386,843	0.4%	Rank history: #43 in FY2021, #26 in FY2022, #25 in FY2023 and #8 in FY2025; down 14 since FY2023.
40	Kadiak LLC Top agencies DOE (Department of Energy)	$15,354,951	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
41	LMI Consulting, LLC Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense) USTRANSCOM (Department of Defense United States Transportation Command)	$14,511,227	0.4%	Rank history: not on the FY2021–FY2022 lists, #72 in FY2023 and #42 in FY2025; up 31 since FY2023.
42	Nakupuna Solutions, LLC Top agencies Navy (Department of the Navy) WHS (DOD Washington Headquarters Service)	$14,409,093	0.4%	Rank history: #47 in FY2021, #37 in FY2022, #46 in FY2023 and #54 in FY2025; up 4 since FY2023.
43	Lynker Corporation Top agencies Commerce (Department of Commerce)	$14,333,443	0.4%	Rank history: not on the FY2021–FY2023 lists and #19 in FY2025; up 326 since FY2023.
44	Digital Management LLC Top agencies Army (Department of the Army)	$13,874,356	0.4%	Rank history: not on the FY2021–FY2022 lists, #48 in FY2023 and #30 in FY2025; up 4 since FY2023.
45	Vidoori Inc. Top agencies Commerce (Department of Commerce)	$13,720,395	0.4%	Rank history: not on the FY2021–FY2023 lists and #28 in FY2025; up 186 since FY2023.
46	Cognosante Holdings, LLC Through Cognosante Cds, LLC Top agencies DHS (Department of Homeland Security)	$13,534,272	0.4%	Rank history: not on the FY2021 list, #64 in FY2022, #60 in FY2023 and not on the FY2025 list; up 14 since FY2023.
47	Financial Markets International, Inc. Top agencies USAID (US Agency for International Development) DFC (International Development Finance Corporation)	$12,975,404	0.3%	Rank history: #60 in FY2021, not on the FY2022 list, #57 in FY2023 and not on the FY2025 list; up 10 since FY2023.
48	Savvee Inc. Top agencies Commerce (Department of Commerce) Navy (Department of the Navy) VA (Department of Veterans Affairs)	$12,449,588	0.3%	Rank history: #52 in FY2021, #84 in FY2022, #64 in FY2023 and #47 in FY2025; up 16 since FY2023.
49	Lifecare, Inc. Top agencies DHS (Department of Homeland Security) Treasury (Department of the Treasury)	$12,232,160	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 69 since FY2023.
50	Alethix, LLC Top agencies Commerce (Department of Commerce)	$11,967,712	0.3%	Rank history: not on the FY2021 list, #78 in FY2022, #52 in FY2023 and not on the FY2025 list; up 2 since FY2023.
51	BLN LLC Top agencies Commerce (Department of Commerce) HUD (Department of Housing and Urban Development)	$11,953,699	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 51 since FY2023.
52	Tetra Tech, Inc. 5 awardees, including Advanced Management Technology, Inc. and Tetra TECH ES, Inc. Top agencies DOT (Department of Transportation) MCC (Millennium Challenge Corporation)	$11,880,125	0.3%	Rank history: #44 in FY2021, #48 in FY2022, #56 in FY2023 and not on the FY2025 list; up 4 since FY2023.
53	Vets Synergetic Group LLC Top agencies HHS (Department of Health and Human Services)	$11,793,829	0.3%	Rank history: not on the FY2021–FY2023 lists and #17 in FY2025; new.
54	Millennium Health & Fitness, Inc. Top agencies USAF (Department of the Air Force)	$11,763,504	0.3%	Rank history: not on the FY2021–FY2023 lists and #80 in FY2025; up 206 since FY2023.
55	ACE Info Solutions LLC Through Guidehouse Digital LLC Top agencies Commerce (Department of Commerce)	$11,727,338	0.3%	Rank history: #33 in FY2021, #80 in FY2022, #30 in FY2023 and not on the FY2025 list; down 25 since FY2023.
56	J.r. Reingold & Associates, Inc. Top agencies VA (Department of Veterans Affairs)	$11,305,099	0.3%	Rank history: #17 in FY2021, #33 in FY2022, #10 in FY2023 and #63 in FY2025; down 46 since FY2023.
57	Imagine Believe Realize LLC Top agencies Commerce (Department of Commerce)	$10,994,678	0.3%	Rank history: not on the FY2021–FY2023 lists and #61 in FY2025; up 65 since FY2023.
58	Fidelity National Information Services, Inc. Top agencies USDA (Department of Agriculture)	$10,091,602	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 239 since FY2023.
59	Cexec, Inc. Top agencies DOT (Department of Transportation)	$9,965,585	0.3%	Rank history: not on the FY2021 list, #54 in FY2022, #50 in FY2023 and #59 in FY2025; down 9 since FY2023.
60	9Line, LLC Top agencies USAF (Department of the Air Force)	$9,857,079	0.3%	Rank history: #80 in FY2021, #70 in FY2022, #71 in FY2023 and #64 in FY2025; up 11 since FY2023.
61	Titan Alpha LLC Top agencies VA (Department of Veterans Affairs)	$9,842,183	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
62	The Craddock Group, LLC Top agencies VA (Department of Veterans Affairs)	$9,744,718	0.3%	Rank history: not on the FY2021–FY2022 lists, #58 in FY2023 and #78 in FY2025; down 4 since FY2023.
63	U.S. Marine Management LLC Top agencies Army (Department of the Army)	$9,656,485	0.3%	Rank history: not on the FY2021–FY2023 lists and #24 in FY2025; new.
64	Parsons Corporation Through Parsons Government Services Inc. Top agencies DTRA (Defense Threat Reduction Agency)	$9,353,483	0.3%	Rank history: #95 in FY2021, #51 in FY2022, #53 in FY2023 and not on the FY2025 list; down 11 since FY2023.
65	PAE Government Services Inc. 2 awardees, including PAE Applied Technologies LLC and PAE National Security Solutions LLC Top agencies USAF (Department of the Air Force) DTRA (Defense Threat Reduction Agency)	$9,314,453	0.3%	Rank history: #27 in FY2021, #23 in FY2022, #21 in FY2023 and not on the FY2025 list; down 44 since FY2023.
66	The Manhattan Strategy Group LLC Top agencies USDA (Department of Agriculture) ED (Department of Education) HHS (Department of Health and Human Services)	$9,222,504	0.2%	Rank history: not on the FY2021 list, #45 in FY2022, #55 in FY2023 and #88 in FY2025; down 11 since FY2023.
67	Ices Corporation Top agencies Commerce (Department of Commerce)	$9,216,978	0.2%	Rank history: #91 in FY2021, #77 in FY2022, #66 in FY2023 and not on the FY2025 list; down 1 since FY2023.
68	Brice Solutions, LLC Top agencies DLA (Defense Logistics Agency)	$9,148,468	0.2%	Rank history: not on the FY2021 list, #95 in FY2022, #99 in FY2023 and not on the FY2025 list; up 31 since FY2023.
69	Long Term Care Partners LLC Top agencies OPM (Office of Personnel Management)	$9,063,171	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
70	Chugach Technical Solutions LLC Top agencies Army (Department of the Army) DHS (Department of Homeland Security) Navy (Department of the Navy)	$9,032,255	0.2%	Rank history: not on the FY2021–FY2023 lists and #46 in FY2025; new.
71	Chemonics International, Inc. Top agencies USAID (US Agency for International Development)	$8,952,217	0.2%	Rank history: not on the FY2021 list, #47 in FY2022, #63 in FY2023 and not on the FY2025 list; down 8 since FY2023.
72	Orbis Sibro Inc. Top agencies Navy (Department of the Navy)	$8,729,121	0.2%	Rank history: not on the FY2021–FY2022 lists, #96 in FY2023 and #58 in FY2025; up 24 since FY2023.
73	M.c. Fuhrman & Associates, LLC Top agencies Army (Department of the Army) DFAS (Defense Finance and Accounting Service) USAF (Department of the Air Force)	$8,702,288	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
74	Asrc Federal Technology Solutions, LLC Top agencies Commerce (Department of Commerce)	$8,629,771	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
75	Grant Leading Technology LLC Top agencies DOT (Department of Transportation)	$8,497,286	0.2%	Rank history: #84 in FY2021, #20 in FY2022, #40 in FY2023 and not on the FY2025 list; down 35 since FY2023.
76	Natsionalny Yaderny Tsentr Respubliki Kazakhstan, GP Top agencies DTRA (Defense Threat Reduction Agency)	$8,490,776	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 83 since FY2023.
77	MAG DS Corp. Through Remotely Piloted Solutions, L.L.C. Top agencies USAF (Department of the Air Force)	$8,475,008	0.2%	Rank history: not on the FY2021–FY2023 lists and #83 in FY2025; new.
78	Paradyme Solutions, LLC Top agencies Commerce (Department of Commerce)	$8,353,639	0.2%	Rank history: #14 in FY2021, #18 in FY2022, #67 in FY2023 and #84 in FY2025; down 11 since FY2023.
79	Itsc Secure Solutions LLC Top agencies USAF (Department of the Air Force)	$8,249,818	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
80	Jacobs Government Services Company 2 awardees, including Amentum Technology, Inc. Top agencies Army (Department of the Army)	$8,231,296	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
81	Tekpro Support Services, LLC Top agencies Navy (Department of the Navy) DHA (Defense Health Agency)	$8,192,100	0.2%	Rank history: #97 in FY2021, not on the FY2022–FY2023 lists and #70 in FY2025; up 47 since FY2023.
82	Kairos, Inc. Top agencies Navy (Department of the Navy)	$8,131,118	0.2%	Rank history: not on the FY2021 list, #94 in FY2022, #92 in FY2023 and #67 in FY2025; up 10 since FY2023.
83	National Academy of Sciences Top agencies NASA (National Aeronautics and Space Administration) HHS (Department of Health and Human Services) Commerce (Department of Commerce)	$8,110,836	0.2%	Rank history: #61 in FY2021, #44 in FY2022, #49 in FY2023 and not on the FY2025 list; down 34 since FY2023.
84	Hana Technologies & Systems, Inc. Top agencies Navy (Department of the Navy) USDA (Department of Agriculture)	$7,773,701	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 19 since FY2023.
85	Professional Contract Services, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$7,328,603	0.2%	Rank history: not on the FY2021–FY2023 lists and #68 in FY2025; up 24 since FY2023.
86	DAI Global LLC Top agencies USAID (US Agency for International Development)	$7,273,127	0.2%	Rank history: not on the FY2021–FY2022 lists, #29 in FY2023 and not on the FY2025 list; down 57 since FY2023.
87	CWS Marketing Group, Inc. Top agencies Treasury (Department of the Treasury)	$7,174,331	0.2%	Rank history: not on the FY2021–FY2023 lists and #72 in FY2025; up 27 since FY2023.
88	Coho Technology Solutions, LLC Top agencies Commerce (Department of Commerce)	$7,154,980	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 93 since FY2023.
89	Aeyon LLC Top agencies USAF (Department of the Air Force)	$7,139,685	0.2%	Rank history: not on the FY2021–FY2023 lists and #95 in FY2025; up 21 since FY2023.
90	Iron Bow Technologies, LLC Top agencies VA (Department of Veterans Affairs)	$7,130,968	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
91	The Mission Essential Group, LLC Top agencies USAF (Department of the Air Force)	$7,072,044	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 28 since FY2023.
92	Maximus Federal Services, Inc. Top agencies HHS (Department of Health and Human Services)	$7,010,125	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
93	Sierra Nevada Company, LLC Top agencies USAF (Department of the Air Force) USSOCOM (United States Special Operations Command) DOD (Department of Defense)	$6,979,300	0.2%	Rank history: not on the FY2021–FY2023 lists and #62 in FY2025; new.
94	Afognak Native Corporation 2 awardees, including Alutiiq Solutions, LLC and "Alutiiq Logistics & Maintenance Services, Llc" Top agencies Navy (Department of the Navy)	$6,900,634	0.2%	Rank history: not on the FY2021–FY2022 lists, #89 in FY2023 and not on the FY2025 list; down 5 since FY2023.
95	Reston Consulting Group, Inc. Top agencies Commerce (Department of Commerce)	$6,854,488	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 84 since FY2023.
96	Synergist JV LLC Top agencies Army (Department of the Army)	$6,789,348	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 16 since FY2023.
97	Celeen LLC Top agencies USAF (Department of the Air Force)	$6,696,388	0.2%	Rank history: not on the FY2021–FY2023 lists and #87 in FY2025; up 281 since FY2023.
98	Lockheed Martin Corporation 3 awardees Top agencies USAF (Department of the Air Force)	$6,594,338	0.2%	Rank history: #56 in FY2021, #58 in FY2022, #51 in FY2023 and #75 in FY2025; down 47 since FY2023.
99	Dell Technologies Inc. Through Dell Federal Systems L.P Top agencies Commerce (Department of Commerce) National Gallery of Art	$6,589,344	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
100	Malasha Technologies Inc. Top agencies Navy (Department of the Navy)	$6,496,381	0.2%	Rank history: #83 in FY2021, #81 in FY2022, #59 in FY2023 and not on the FY2025 list; down 41 since FY2023.

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100 of 1,416 contractors listed here. See the rest on GovTribe.

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 $3.72 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

Who were the top 10 PSC R799 contractors in FY2024?

1. Booz Allen Hamilton Holding Corporation ($330M), 2. Fluor Corporation ($162M), 3. Deloitte ($113M), 4. Leidos Holdings, Inc. ($112M), 5. RSI Entech, LLC ($107M), 6. The Mitre Corporation ($101M), 7. Northrop Grumman Corporation ($85.2M), 8. Human Technologies Corp ($73.9M), 9. Noblis, Inc. ($66.7M), 10. The Boeing Company ($56.1M).

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