Top 100 Contractors in NAICS 541513: Computer Facilities Management Services, FY2025

Name: Top 100 Contractors in NAICS 541513: Computer Facilities Management Services, FY2025
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2024 – Sep 30, 2025 Code page on GovTribe

The top 10 won 53% of FY2025 NAICS 541513 contract dollars

Contract obligations: $3,490,749,286 Net of deobligations, by contracts coded NAICS 541513
Contractors: 411 Parent companies with an obligation
Largest contractor: Leidos Holdings, Inc. $763 million, 20.6% 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	Leidos Holdings, Inc. 2 awardees, including Leidos, Inc. Top agencies DISA (Defense Information Systems Agency) USAF (Department of the Air Force) USCYBERCOM (Department of Defense Cyber Command)	$763,313,892	20.6%	Rank history: #2 in FY2021, #1 in FY2022, #1 in FY2023 and #1 in FY2024; unchanged since FY2024.
2	CGI Federal Inc. Top agencies DOS (Department of State)	$240,889,930	6.5%	Rank history: not on the FY2021–FY2023 lists and #3 in FY2024; up 1 since FY2024.
3	Arctic Slope Regional Corporation 8 awardees, including Inuteq, LLC, Agile Decision Sciences, LLC and Asrc Federal Technology Solutions, LLC Top agencies NASA (National Aeronautics and Space Administration) DCSA (Defense Counterintelligence and Security Agency) Army (Department of the Army)	$196,384,192	5.3%	Rank history: #8 in FY2021, #6 in FY2022, #8 in FY2023 and #20 in FY2024; up 17 since FY2024.
4	Science Applications International Corporation 3 awardees Top agencies DOT (Department of Transportation) USAF (Department of the Air Force) NASA (National Aeronautics and Space Administration)	$159,973,252	4.3%	Rank history: #5 in FY2021, #5 in FY2022, #4 in FY2023 and #4 in FY2024; unchanged since FY2024.
5	General Dynamics Corporation 5 awardees, including General Dynamics Information Technology Inc. and General Dynamics Mission Systems, Inc. Top agencies DOS (Department of State) USAF (Department of the Air Force) Army (Department of the Army)	$149,200,290	4.0%	Rank history: #1 in FY2021, #2 in FY2022, #2 in FY2023 and #2 in FY2024; down 3 since FY2024.
6	LDRM LLC Top agencies DOS (Department of State)	$106,508,916	2.9%	Rank history: #7 in FY2021, #7 in FY2022, #5 in FY2023 and #6 in FY2024; unchanged since FY2024.
7	Iron Bow Technologies, LLC Top agencies VA (Department of Veterans Affairs)	$106,189,900	2.9%	Rank history: not on the FY2021–FY2024 lists; up 446 since FY2024.
8	Ernst & Young LLP Through Dignari, LLC Top agencies DHS (Department of Homeland Security)	$86,573,666	2.3%	Rank history: not on the FY2021–FY2024 lists; new.
9	Amentum Holdings, Inc. 2 awardees, including Amentum Services, Inc. Top agencies DHS (Department of Homeland Security) DOS (Department of State)	$77,082,194	2.1%	Rank history: not on the FY2021–FY2024 lists; up 319 since FY2024.
10	Vista Defense Technologies, LLC Top agencies Army (Department of the Army) DHA (Defense Health Agency)	$67,537,152	1.8%	Rank history: #11 in FY2021, #11 in FY2022, #83 in FY2023 and #18 in FY2024; up 8 since FY2024.
11	Stratascor, LLC Top agencies Navy (Department of the Navy)	$52,314,800	1.4%	Rank history: #14 in FY2021, #17 in FY2022, #15 in FY2023 and #13 in FY2024; up 2 since FY2024.
12	Sev1Tech, LLC Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services)	$51,792,149	1.4%	Rank history: #19 in FY2021, #18 in FY2022, #7 in FY2023 and #12 in FY2024; unchanged since FY2024.
13	Ukpeagvik Inupiat Corporation 2 awardees, including Bowhead Total Enterprise Solutions, LLC Top agencies Army (Department of the Army)	$43,502,661	1.2%	Rank history: not on the FY2021–FY2023 lists and #39 in FY2024; up 26 since FY2024.
14	Directviz Solutions, LLC Top agencies Army (Department of the Army)	$37,117,135	1.0%	Rank history: #18 in FY2021, #19 in FY2022, #14 in FY2023 and #16 in FY2024; up 2 since FY2024.
15	Teamstaff Inc. Through Dlh, LLC Top agencies HHS (Department of Health and Human Services)	$36,707,215	1.0%	Rank history: not on the FY2021–FY2023 lists and #15 in FY2024; unchanged since FY2024.
16	Resource Management Concepts, Inc. Top agencies Navy (Department of the Navy)	$35,189,384	1.0%	Rank history: #15 in FY2021, #14 in FY2022, #17 in FY2023 and #17 in FY2024; up 1 since FY2024.
17	Teksynap Corporation Top agencies DTRA (Defense Threat Reduction Agency) DFC (International Development Finance Corporation)	$31,528,613	0.9%	Rank history: #12 in FY2021, #9 in FY2022, #10 in FY2023 and #10 in FY2024; down 7 since FY2024.
18	KBR Wyle Services LLC Top agencies DOI (Department of the Interior)	$30,883,094	0.8%	Rank history: not on the FY2021–FY2023 lists and #14 in FY2024; down 4 since FY2024.
19	Aktarius LLC Top agencies Army (Department of the Army)	$30,369,022	0.8%	Rank history: not on the FY2021–FY2023 lists and #21 in FY2024; up 2 since FY2024.
20	World Wide Technology LLC Top agencies VA (Department of Veterans Affairs)	$28,527,466	0.8%	Rank history: not on the FY2021–FY2023 lists and #22 in FY2024; up 2 since FY2024.
21	ELB Services LLC Top agencies USAF (Department of the Air Force)	$28,526,955	0.8%	Rank history: not on the FY2021–FY2024 lists; new.
22	Bering Straits Professional Services, LLC Top agencies OPM (Office of Personnel Management)	$28,147,536	0.8%	Rank history: not on the FY2021–FY2024 lists; up 136 since FY2024.
23	Systems Implementers Inc. Top agencies USAF (Department of the Air Force)	$27,131,400	0.7%	Rank history: #40 in FY2021, #78 in FY2022, #32 in FY2023 and #37 in FY2024; up 14 since FY2024.
24	Coho Technology Solutions, LLC Top agencies Army (Department of the Army)	$26,914,221	0.7%	Rank history: not on the FY2021–FY2022 lists, #38 in FY2023 and #54 in FY2024; up 30 since FY2024.
25	Decisionpoint Corporation Top agencies Army (Department of the Army) USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$25,286,788	0.7%	Rank history: #91 in FY2021, #91 in FY2022, #78 in FY2023 and #30 in FY2024; up 5 since FY2024.
26	Network Management Resources Inc. Top agencies MDA (DOD Missile Defense Agency)	$21,964,808	0.6%	Rank history: #17 in FY2021, #16 in FY2022, #16 in FY2023 and #19 in FY2024; down 7 since FY2024.
27	A & T Systems, Inc. Top agencies Army (Department of the Army)	$20,738,246	0.6%	Rank history: not on the FY2021–FY2024 lists; up 134 since FY2024.
28	Koa Lani JV LLC Top agencies USAF (Department of the Air Force)	$20,313,983	0.5%	Rank history: not on the FY2021–FY2022 lists, #36 in FY2023 and #27 in FY2024; down 1 since FY2024.
29	Oneida Technical Solutions, LLC Top agencies Army (Department of the Army)	$19,879,059	0.5%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2024; up 14 since FY2024.
30	SMS Data Products Group Inc. Top agencies USAF (Department of the Air Force)	$19,002,032	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
31	Koniag Data Solutions LLC Top agencies USDA (Department of Agriculture) DOJ (Department of Justice) NARA (National Archives and Records Administration)	$18,282,362	0.5%	Rank history: not on the FY2021–FY2024 lists; up 137 since FY2024.
32	Galapagos Federal Systems LLC Top agencies Army (Department of the Army) DHA (Defense Health Agency)	$17,889,363	0.5%	Rank history: not on the FY2021–FY2022 lists, #59 in FY2023 and #28 in FY2024; down 4 since FY2024.
33	XOR Security LLC Top agencies Commerce (Department of Commerce) DHS (Department of Homeland Security) FCC (Federal Communications Commission)	$17,379,910	0.5%	Rank history: #50 in FY2021, #26 in FY2022, not on the FY2023 list and #23 in FY2024; down 10 since FY2024.
34	Qbase, LLC Top agencies DHA (Defense Health Agency)	$17,237,355	0.5%	Rank history: not on the FY2021–FY2023 lists and #68 in FY2024; up 34 since FY2024.
35	Dignari, LLC Top agencies DHS (Department of Homeland Security)	$16,595,131	0.4%	Rank history: #34 in FY2021, #13 in FY2022, #6 in FY2023 and #5 in FY2024; down 30 since FY2024.
36	Po`okela Solutions, LLC Top agencies Army (Department of the Army)	$15,794,373	0.4%	Rank history: #66 in FY2021, #69 in FY2022, #68 in FY2023 and #40 in FY2024; up 4 since FY2024.
37	Cayuse Federal Services LLC Top agencies Army (Department of the Army)	$15,687,135	0.4%	Rank history: not on the FY2021–FY2022 lists, #49 in FY2023 and #33 in FY2024; down 4 since FY2024.
38	American Systems Corporation Top agencies DHA (Defense Health Agency)	$15,103,238	0.4%	Rank history: #30 in FY2021, #38 in FY2022, #29 in FY2023 and #70 in FY2024; up 32 since FY2024.
39	Mississippi State University Research and Technology Corporation Top agencies Commerce (Department of Commerce)	$15,000,000	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
40	Avaya Federal Solutions, Inc. Top agencies DHS (Department of Homeland Security) DFAS (Defense Finance and Accounting Service) USAF (Department of the Air Force)	$14,634,799	0.4%	Rank history: #35 in FY2021, #35 in FY2022, #34 in FY2023 and #35 in FY2024; down 5 since FY2024.
41	Koniag, Inc. Through Kadiak LLC Top agencies Army (Department of the Army)	$13,605,365	0.4%	Rank history: not on the FY2021 list, #92 in FY2022 and not on the FY2023–FY2024 lists; up 100 since FY2024.
42	Cherokee Nation System Solutions LLC Top agencies USAF (Department of the Air Force) Commerce (Department of Commerce)	$13,215,742	0.4%	Rank history: not on the FY2021–FY2022 lists, #48 in FY2023 and #42 in FY2024; unchanged since FY2024.
43	DNI Emerging Technologies, LLC Top agencies DOE (Department of Energy) HHS (Department of Health and Human Services) USAF (Department of the Air Force)	$13,137,072	0.4%	Rank history: not on the FY2021–FY2023 lists and #53 in FY2024; up 10 since FY2024.
44	I Tech AG LLC Top agencies HHS (Department of Health and Human Services) SBA (Small Business Administration) Commerce (Department of Commerce)	$13,084,141	0.4%	Rank history: not on the FY2021–FY2022 lists, #40 in FY2023 and #26 in FY2024; down 18 since FY2024.
45	Kupono Government Services, LLC Top agencies Army (Department of the Army)	$12,475,984	0.3%	Rank history: #72 in FY2021, #51 in FY2022, #43 in FY2023 and #44 in FY2024; down 1 since FY2024.
46	HPI Solutions LLC Top agencies USAF (Department of the Air Force)	$12,371,955	0.3%	Rank history: not on the FY2021–FY2023 lists and #46 in FY2024; unchanged since FY2024.
47	Gstek Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$12,078,348	0.3%	Rank history: not on the FY2021–FY2024 lists; up 91 since FY2024.
48	Dawson Cms, LLC Top agencies DHA (Defense Health Agency)	$12,053,804	0.3%	Rank history: not on the FY2021–FY2023 lists and #47 in FY2024; down 1 since FY2024.
49	Kaihonua LLC Top agencies Army (Department of the Army)	$11,906,506	0.3%	Rank history: #56 in FY2021, #45 in FY2022, #41 in FY2023 and #48 in FY2024; down 1 since FY2024.
50	Q-Tech LLC Top agencies USAF (Department of the Air Force)	$11,725,667	0.3%	Rank history: not on the FY2021–FY2024 lists; up 57 since FY2024.
51	Akima Secure Technologies, LLC Top agencies HHS (Department of Health and Human Services)	$11,433,991	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
52	Full Spectrum Operations LLC Top agencies Army (Department of the Army)	$11,317,081	0.3%	Rank history: not on the FY2021–FY2024 lists; up 191 since FY2024.
53	B&T Technology Services, G.p. Top agencies Army (Department of the Army)	$11,179,312	0.3%	Rank history: not on the FY2021–FY2022 lists, #57 in FY2023 and #64 in FY2024; up 11 since FY2024.
54	Semanticbits LLC Through Incentive Technology Group LLC Top agencies DOT (Department of Transportation)	$11,150,235	0.3%	Rank history: not on the FY2021–FY2023 lists and #32 in FY2024; down 22 since FY2024.
55	Link Solutions Inc. Top agencies Army (Department of the Army)	$10,977,859	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
56	Aleut Aerospace Engineering, LLC Top agencies USAF (Department of the Air Force)	$10,922,516	0.3%	Rank history: #73 in FY2021, #63 in FY2022, #24 in FY2023 and #60 in FY2024; up 4 since FY2024.
57	Lawelawe Technology Services, Inc. Top agencies Army (Department of the Army)	$10,398,078	0.3%	Rank history: #67 in FY2021, #55 in FY2022, #46 in FY2023 and #49 in FY2024; down 8 since FY2024.
58	22Nd Century Technologies, Inc. Top agencies Commerce (Department of Commerce)	$10,225,667	0.3%	Rank history: #26 in FY2021, #28 in FY2022, #26 in FY2023 and not on the FY2024 list; up 405 since FY2024.
59	Hexagon US Federal, Inc. Top agencies Navy (Department of the Navy)	$10,123,352	0.3%	Rank history: not on the FY2021–FY2023 lists and #59 in FY2024; unchanged since FY2024.
60	Beat-Atc Limited Liability Company Top agencies Army (Department of the Army)	$9,914,273	0.3%	Rank history: not on the FY2021–FY2023 lists and #89 in FY2024; up 29 since FY2024.
61	Lawelawe Defense, Inc. Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency)	$9,518,166	0.3%	Rank history: not on the FY2021–FY2023 lists and #74 in FY2024; up 13 since FY2024.
62	Equinoxys Inc. Top agencies HHS (Department of Health and Human Services) Treasury (Department of the Treasury)	$9,364,783	0.3%	Rank history: #59 in FY2021, #43 in FY2022, not on the FY2023 list and #55 in FY2024; down 7 since FY2024.
63	G2Sf LLC Top agencies DOI (Department of the Interior) NRC (Nuclear Regulatory Commission)	$9,335,853	0.3%	Rank history: not on the FY2021–FY2024 lists; up 52 since FY2024.
64	Efiia Consulting LLC Top agencies DOJ (Department of Justice)	$9,333,820	0.3%	Rank history: #51 in FY2021, #60 in FY2022, #64 in FY2023 and #50 in FY2024; down 14 since FY2024.
65	Galapagos-Intellidyne Solutions LLC Top agencies DHA (Defense Health Agency)	$9,264,228	0.3%	Rank history: not on the FY2021–FY2024 lists; up 414 since FY2024.
66	Business Operational Concepts, Llc. Top agencies Peace Corps	$9,194,387	0.2%	Rank history: not on the FY2021–FY2022 lists, #61 in FY2023 and #91 in FY2024; up 25 since FY2024.
67	Eagle Integrated Services, LLC Top agencies DHA (Defense Health Agency) DNFSB (Defense Nuclear Facilities Safety Board)	$8,938,643	0.2%	Rank history: not on the FY2021–FY2024 lists; up 54 since FY2024.
68	Tenax Technologies LLC Top agencies USAF (Department of the Air Force)	$8,787,048	0.2%	Rank history: not on the FY2021–FY2022 lists, #60 in FY2023 and #61 in FY2024; down 7 since FY2024.
69	Forge Group, LLC Top agencies Navy (Department of the Navy)	$8,671,012	0.2%	Rank history: not on the FY2021 list, #96 in FY2022 and not on the FY2023–FY2024 lists; up 44 since FY2024.
70	Veritium Ingenuity, LLC Top agencies DOT (Department of Transportation)	$8,360,829	0.2%	Rank history: #79 in FY2021, #72 in FY2022, #58 in FY2023 and #75 in FY2024; up 5 since FY2024.
71	PCI Government Services LLC Top agencies DHS (Department of Homeland Security)	$8,269,950	0.2%	Rank history: not on the FY2021–FY2022 lists, #75 in FY2023 and #71 in FY2024; unchanged since FY2024.
72	Cherokee Nation Operational Solutions, L.L.C. Top agencies Army (Department of the Army) DHA (Defense Health Agency)	$8,187,578	0.2%	Rank history: #71 in FY2021, #70 in FY2022, #66 in FY2023 and #65 in FY2024; down 7 since FY2024.
73	Arcticom, LLC Top agencies USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$8,158,725	0.2%	Rank history: not on the FY2021–FY2023 lists and #62 in FY2024; down 11 since FY2024.
74	Kode Labs, Inc. Top agencies GSA (General Services Administration)	$8,126,449	0.2%	Rank history: not on the FY2021–FY2024 lists; up 111 since FY2024.
75	Koniag Management Solutions LLC Top agencies Army (Department of the Army)	$7,941,698	0.2%	Rank history: not on the FY2021–FY2022 lists, #67 in FY2023 and #67 in FY2024; down 8 since FY2024.
76	Versatech / Impyrian Technology Network LLC Top agencies HHS (Department of Health and Human Services)	$7,928,196	0.2%	Rank history: not on the FY2021–FY2022 lists, #80 in FY2023 and #52 in FY2024; down 24 since FY2024.
77	Information Systems Solutions, Inc. Top agencies Army (Department of the Army)	$7,641,840	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
78	Chenega Defense & Aerospace Solutions, LLC Top agencies Navy (Department of the Navy)	$7,246,842	0.2%	Rank history: not on the FY2021–FY2023 lists and #78 in FY2024; unchanged since FY2024.
79	Motorola Solutions, Inc. Top agencies Navy (Department of the Navy)	$7,115,575	0.2%	Rank history: not on the FY2021–FY2023 lists and #63 in FY2024; down 16 since FY2024.
80	Goldbelt Hawk L.L.C. Through Nisga'a Tek, LLC Top agencies USAF (Department of the Air Force)	$7,038,349	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
81	H2 Direct LLC Top agencies Army (Department of the Army)	$6,802,045	0.2%	Rank history: #80 in FY2021, #82 in FY2022, #81 in FY2023 and #98 in FY2024; up 17 since FY2024.
82	Summit Federal Services LLC Through Summit Technologies, Inc. Top agencies USAF (Department of the Air Force)	$6,607,194	0.2%	Rank history: not on the FY2021–FY2023 lists and #24 in FY2024; down 58 since FY2024.
83	Tunista Logistics Solutions LLC Top agencies USAF (Department of the Air Force)	$6,508,905	0.2%	Rank history: not on the FY2021–FY2023 lists and #83 in FY2024; unchanged since FY2024.
84	Pelatron Technologies LLC Top agencies USAF (Department of the Air Force)	$6,367,795	0.2%	Rank history: #78 in FY2021, #76 in FY2022, #69 in FY2023 and #77 in FY2024; down 7 since FY2024.
85	Umyuaq Technology LLC Top agencies Army (Department of the Army) DHA (Defense Health Agency)	$6,153,525	0.2%	Rank history: not on the FY2021–FY2022 lists, #47 in FY2023 and #51 in FY2024; down 34 since FY2024.
86	Team Ronco Incorporated Top agencies DOS (Department of State)	$5,693,082	0.2%	Rank history: not on the FY2021–FY2022 lists, #87 in FY2023 and #94 in FY2024; up 8 since FY2024.
87	Sysnet Technologies, Inc. Top agencies USAF (Department of the Air Force)	$5,650,201	0.2%	Rank history: not on the FY2021–FY2024 lists; up 225 since FY2024.
88	Aleknagik Technology, LLC Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$5,617,366	0.2%	Rank history: not on the FY2021–FY2024 lists; up 54 since FY2024.
89	Indev LLC Top agencies DHS (Department of Homeland Security)	$5,555,842	0.2%	Rank history: not on the FY2021–FY2024 lists; up 21 since FY2024.
90	Five Rivers Analytics, LLC Top agencies Army (Department of the Army)	$5,544,017	0.1%	Rank history: not on the FY2021–FY2023 lists and #90 in FY2024; unchanged since FY2024.
91	Kikaha Solutions, LLC Top agencies Army (Department of the Army)	$5,284,130	0.1%	Rank history: not on the FY2021–FY2023 lists and #31 in FY2024; down 60 since FY2024.
92	Bowhead Weapons Development Solutions LLC Top agencies Navy (Department of the Navy) DCMA (Defense Contract Management Agency)	$5,236,865	0.1%	Rank history: not on the FY2021–FY2024 lists; up 144 since FY2024.
93	Cognito Systems LLC Top agencies Army (Department of the Army)	$5,120,179	0.1%	Rank history: not on the FY2021–FY2023 lists and #96 in FY2024; up 3 since FY2024.
94	Criterion Systems, L.L.C. Top agencies DOT (Department of Transportation)	$5,089,539	0.1%	Rank history: #4 in FY2021, #8 in FY2022, #9 in FY2023 and not on the FY2024 list; returned.
95	North American Consulting Services Inc. Top agencies USAF (Department of the Air Force)	$5,011,094	0.1%	Rank history: #82 in FY2021, not on the FY2022 list, #99 in FY2023 and not on the FY2024 list; up 29 since FY2024.
96	Gc&E Federal, LLC Top agencies Army (Department of the Army)	$4,845,972	0.1%	Rank history: not on the FY2021–FY2024 lists; up 38 since FY2024.
97	Angayut, LLC Top agencies Army (Department of the Army)	$4,815,172	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
98	OSI Federal Technologies Inc Top agencies DOJ (Department of Justice)	$4,730,363	0.1%	Rank history: not on the FY2021–FY2024 lists; up 19 since FY2024.
99	1PROSPECT Technologies LLC Top agencies Army (Department of the Army)	$4,712,733	0.1%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2023 and #79 in FY2024; down 20 since FY2024.
100	Leader Communications Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$4,634,128	0.1%	Rank history: not on the FY2021–FY2024 lists; new.

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100 of 411 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 $3.7 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 2025 ran Oct 1, 2024 – Sep 30, 2025. 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 FY2024. "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 FY2024 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 NAICS 541513 contractors in FY2025?

1. Leidos Holdings, Inc. ($763M), 2. CGI Federal Inc. ($241M), 3. Arctic Slope Regional Corporation ($196M), 4. Science Applications International Corporation ($160M), 5. General Dynamics Corporation ($149M), 6. LDRM LLC ($107M), 7. Iron Bow Technologies, LLC ($106M), 8. Ernst & Young LLP ($86.6M), 9. Amentum Holdings, Inc. ($77.1M), 10. Vista Defense Technologies, LLC ($67.5M).

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