Top 100 Contractors in NAICS 541513: Computer Facilities Management Services, Aug 2025–Jul 2026

Name: Top 100 Contractors in NAICS 541513: Computer Facilities Management Services, Aug 2025–Jul 2026
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

Parent companies by net contract obligations Aug 1, 2025 – Jul 31, 2026 Code page on GovTribe

The latest 12 months. See the newest fiscal year's list: Top Contractors in NAICS 541513: Computer Facilities Management Services, FY2025.

The top 10 won 55% of NAICS 541513 contract dollars from August 2025 through July 2026

Contract obligations: $3,320,028,771 Net of deobligations, by contracts coded NAICS 541513
Contractors: 345 Parent companies with an obligation
Largest contractor: Leidos Holdings, Inc. $777 million, 22.6% of obligations
Data as of: Nov 5, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV · Free to reuse with credit to GovTribe (CC BY 4.0)

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)	$777,299,218	22.6%	Rank history: #2 in FY2021, #1 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; unchanged since Aug 2024–Jul 2025.
2	Arctic Slope Regional Corporation 6 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)	$209,682,274	6.1%	Rank history: #8 in FY2021, #6 in FY2022, #8 in FY2023, #20 in FY2024 and #3 in FY2025; up 61 since Aug 2024–Jul 2025.
3	Science Applications International Corporation 3 awardees Top agencies DOT (Department of Transportation) USAF (Department of the Air Force) NASA (National Aeronautics and Space Administration)	$159,719,941	4.6%	Rank history: #5 in FY2021, #5 in FY2022, #4 in FY2023, #4 in FY2024 and #4 in FY2025; up 1 since Aug 2024–Jul 2025.
4	The Timken Company Through CGI Federal Inc. Top agencies DOS (Department of State)	$145,437,341	4.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
5	Amentum Holdings, Inc. Through Amentum Services, Inc. Top agencies DHS (Department of Homeland Security) DOS (Department of State)	$142,554,572	4.1%	Rank history: not on the FY2021–FY2024 lists and #10 in FY2025; up 4 since Aug 2024–Jul 2025.
6	Ernst & Young LLP Through Dignari, LLC Top agencies DHS (Department of Homeland Security)	$125,008,719	3.6%	Rank history: not on the FY2021–FY2024 lists and #8 in FY2025; up 17 since Aug 2024–Jul 2025.
7	LDRM LLC Top agencies DOS (Department of State)	$115,014,948	3.3%	Rank history: #7 in FY2021, #7 in FY2022, #5 in FY2023, #6 in FY2024 and #6 in FY2025; down 2 since Aug 2024–Jul 2025.
8	Bering Straits Native Corporation 5 awardees, including Bering Straits Professional Services, LLC, Kikaha Solutions, LLC and Po`okela Solutions, LLC Top agencies Army (Department of the Army) OPM (Office of Personnel Management) USAF (Department of the Air Force)	$91,268,334	2.7%	Rank history: #23 in FY2021, #29 in FY2022, #25 in FY2023, #45 in FY2024 and #11 in FY2025; new, not ranked in Aug 2024–Jul 2025.
9	Stratascor, LLC Top agencies Navy (Department of the Navy)	$68,508,335	2.0%	Rank history: #14 in FY2021, #17 in FY2022, #15 in FY2023, #13 in FY2024 and #12 in FY2025; up 3 since Aug 2024–Jul 2025.
10	Iron Bow Technologies, LLC Top agencies VA (Department of Veterans Affairs)	$47,932,404	1.4%	Rank history: not on the FY2021–FY2024 lists and #7 in FY2025; up 1 since Aug 2024–Jul 2025.
11	Koniag, Inc. 5 awardees, including Koniag Data Solutions LLC, Kadiak LLC and Koniag Management Solutions LLC Top agencies Army (Department of the Army) USDA (Department of Agriculture) HUD (Department of Housing and Urban Development)	$41,392,207	1.2%	Rank history: not on the FY2021 list, #92 in FY2022, not on the FY2023–FY2024 lists and #14 in FY2025; up 45 since Aug 2024–Jul 2025.
12	Kbr, Inc. Through KBR Wyle Services, LLC Top agencies DOI (Department of the Interior)	$41,292,906	1.2%	Rank history: #9 in FY2021, #10 in FY2022, #11 in FY2023, #57 in FY2024 and not on the FY2025 list; new, not ranked in Aug 2024–Jul 2025.
13	Bowhead Total Enterprise Solutions LLC Top agencies Army (Department of the Army)	$40,528,298	1.2%	Rank history: not on the FY2021–FY2023 lists, #39 in FY2024 and #15 in FY2025; up 1 since Aug 2024–Jul 2025.
14	Teksynap Corporation Top agencies DTRA (Defense Threat Reduction Agency) DFC (International Development Finance Corporation)	$39,634,228	1.2%	Rank history: #12 in FY2021, #9 in FY2022, #10 in FY2023, #10 in FY2024 and #19 in FY2025; up 1 since Aug 2024–Jul 2025.
15	Decisionpoint Corporation Top agencies USAF (Department of the Air Force) Army (Department of the Army) SBA (Small Business Administration)	$38,103,803	1.1%	Rank history: #91 in FY2021, #91 in FY2022, #78 in FY2023, #30 in FY2024 and #27 in FY2025; up 12 since Aug 2024–Jul 2025.
16	ELB Services LLC Top agencies USAF (Department of the Air Force)	$35,439,249	1.0%	Rank history: not on the FY2021–FY2024 lists and #23 in FY2025; up 8 since Aug 2024–Jul 2025.
17	General Dynamics Corporation 6 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)	$34,725,287	1.0%	Rank history: #1 in FY2021, #2 in FY2022, #2 in FY2023, #2 in FY2024 and #5 in FY2025; down 14 since Aug 2024–Jul 2025.
18	Sev1Tech, LLC Top agencies HHS (Department of Health and Human Services) DHS (Department of Homeland Security)	$33,933,465	1.0%	Rank history: #19 in FY2021, #18 in FY2022, #7 in FY2023, #12 in FY2024 and #13 in FY2025; down 8 since Aug 2024–Jul 2025.
19	DLH Holdings Corp Through Dlh, LLC Top agencies HHS (Department of Health and Human Services)	$28,927,894	0.8%	Rank history: not on the FY2021–FY2023 lists, #15 in FY2024 and #17 in FY2025; up 1 since Aug 2024–Jul 2025.
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, #22 in FY2024 and #22 in FY2025; new, not ranked in Aug 2024–Jul 2025.
21	Network Management Resources Inc. Top agencies MDA (DOD Missile Defense Agency)	$26,953,563	0.8%	Rank history: #17 in FY2021, #16 in FY2022, #16 in FY2023, #19 in FY2024 and #28 in FY2025; up 4 since Aug 2024–Jul 2025.
22	Coho Technology Solutions, LLC Top agencies Army (Department of the Army)	$25,873,904	0.8%	Rank history: not on the FY2021–FY2022 lists, #38 in FY2023, #54 in FY2024 and #25 in FY2025; up 17 since Aug 2024–Jul 2025.
23	Bristol Bay Native Corporation 5 awardees, including Eagle Integrated Services, LLC, Gc&E Federal, LLC and Vista Defense Technologies, LLC Top agencies DHA (Defense Health Agency) Army (Department of the Army) DNFSB (Defense Nuclear Facilities Safety Board)	$25,820,444	0.8%	Rank history: not on the FY2021–FY2024 lists and #9 in FY2025; new, not ranked in Aug 2024–Jul 2025.
24	A & T Systems, Inc. Top agencies Army (Department of the Army)	$25,632,228	0.7%	Rank history: not on the FY2021–FY2024 lists and #30 in FY2025; up 26 since Aug 2024–Jul 2025.
25	KBR Wyle Services LLC Top agencies DOI (Department of the Interior)	$24,445,971	0.7%	Rank history: not on the FY2021–FY2023 lists, #14 in FY2024 and #20 in FY2025; down 8 since Aug 2024–Jul 2025.
26	The Chenega Corporation 8 awardees, including Chenega Systems, LLC, Chenega Defense & Aerospace Solutions, LLC and Cyberstar LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) SSA (Social Security Administration)	$21,923,323	0.6%	Rank history: #46 in FY2021, not on the FY2022–FY2024 lists and #38 in FY2025; new, not ranked in Aug 2024–Jul 2025.
27	I Tech AG LLC Top agencies HHS (Department of Health and Human Services) SBA (Small Business Administration) Commerce (Department of Commerce)	$20,893,781	0.6%	Rank history: not on the FY2021–FY2022 lists, #40 in FY2023, #26 in FY2024 and #44 in FY2025; up 14 since Aug 2024–Jul 2025.
28	Oneida Technical Solutions, LLC Top agencies Army (Department of the Army)	$20,839,309	0.6%	Rank history: not on the FY2021–FY2023 lists, #43 in FY2024 and #32 in FY2025; up 2 since Aug 2024–Jul 2025.
29	Nana Regional Corporation, Inc. 3 awardees, including Akima Secure Technologies, LLC, Five Rivers Analytics, LLC and TKC Global Solutions, LLC Top agencies HHS (Department of Health and Human Services) Army (Department of the Army) USAF (Department of the Air Force)	$20,507,623	0.6%	Rank history: not on the FY2021–FY2023 lists, #88 in FY2024 and #29 in FY2025; new, not ranked in Aug 2024–Jul 2025.
30	Alaska Northstar Federal, LLC Top agencies USAF (Department of the Air Force)	$18,710,974	0.5%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
31	Tyto Athene, LLC Through Qbase, LLC Top agencies DHA (Defense Health Agency)	$18,322,827	0.5%	Rank history: not on the FY2021–FY2024 lists and #36 in FY2025; new, not ranked in Aug 2024–Jul 2025.
32	Avaya Federal Solutions, Inc. Top agencies DHS (Department of Homeland Security) DFAS (Defense Finance and Accounting Service) USAF (Department of the Air Force)	$17,002,038	0.5%	Rank history: #35 in FY2021, #35 in FY2022, #34 in FY2023, #35 in FY2024 and #42 in FY2025; up 12 since Aug 2024–Jul 2025.
33	Nakupuna Services LLC Top agencies Army (Department of the Army)	$16,780,272	0.5%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
34	Global Resource Solutions Inc. Top agencies USAF (Department of the Air Force)	$16,748,325	0.5%	Rank history: not on the FY2021–FY2022 lists, #71 in FY2023, #84 in FY2024 and not on the FY2025 list; up 72 since Aug 2024–Jul 2025.
35	Link Solutions Inc. Top agencies Army (Department of the Army)	$15,480,294	0.4%	Rank history: not on the FY2021–FY2024 lists and #54 in FY2025; up 41 since Aug 2024–Jul 2025.
36	Athyra LLC Top agencies DHA (Defense Health Agency)	$15,269,681	0.4%	Rank history: not on the FY2021–FY2024 lists and #63 in FY2025; up 25 since Aug 2024–Jul 2025.
37	Agile Defense, LLC Through XOR Security LLC Top agencies Commerce (Department of Commerce) DHS (Department of Homeland Security) FCC (Federal Communications Commission)	$15,033,593	0.4%	Rank history: not on the FY2021–FY2024 lists and #35 in FY2025; new, not ranked in Aug 2024–Jul 2025.
38	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 and #41 in FY2025; new, not ranked in Aug 2024–Jul 2025.
39	CGI Federal Inc. Top agencies DOS (Department of State)	$14,171,865	0.4%	Rank history: not on the FY2021–FY2023 lists, #3 in FY2024 and #2 in FY2025; down 37 since Aug 2024–Jul 2025.
40	Gstek Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$13,971,044	0.4%	Rank history: not on the FY2021–FY2024 lists and #47 in FY2025; up 15 since Aug 2024–Jul 2025.
41	DNI Emerging Technologies, LLC Top agencies DOE (Department of Energy) Navy (Department of the Navy) USAF (Department of the Air Force)	$13,429,191	0.4%	Rank history: not on the FY2021–FY2023 lists, #53 in FY2024 and #43 in FY2025; down 4 since Aug 2024–Jul 2025.
42	Dawson Cms, LLC Top agencies DHA (Defense Health Agency)	$13,377,591	0.4%	Rank history: not on the FY2021–FY2023 lists, #47 in FY2024 and #48 in FY2025; up 10 since Aug 2024–Jul 2025.
43	HPI Solutions LLC Top agencies USAF (Department of the Air Force)	$13,262,296	0.4%	Rank history: not on the FY2021–FY2023 lists, #46 in FY2024 and #45 in FY2025; unchanged since Aug 2024–Jul 2025.
44	Beat-Atc Limited Liability Company Top agencies Army (Department of the Army)	$13,037,122	0.4%	Rank history: not on the FY2021–FY2023 lists, #89 in FY2024 and #58 in FY2025; up 22 since Aug 2024–Jul 2025.
45	Full Spectrum Operations LLC Top agencies Army (Department of the Army)	$12,841,533	0.4%	Rank history: not on the FY2021–FY2024 lists and #51 in FY2025; up 27 since Aug 2024–Jul 2025.
46	Q-Tech LLC Top agencies USAF (Department of the Air Force)	$12,785,745	0.4%	Rank history: not on the FY2021–FY2024 lists and #50 in FY2025; up 66 since Aug 2024–Jul 2025.
47	ICF International Inc. Through Incentive Technology Group LLC Top agencies DOT (Department of Transportation)	$12,595,056	0.4%	Rank history: not on the FY2021–FY2023 lists, #32 in FY2024 and #53 in FY2025; down 16 since Aug 2024–Jul 2025.
48	Aktarius LLC Top agencies Army (Department of the Army)	$12,559,116	0.4%	Rank history: not on the FY2021–FY2023 lists, #21 in FY2024 and #21 in FY2025; down 27 since Aug 2024–Jul 2025.
49	Galapagos Federal Systems LLC Top agencies Army (Department of the Army)	$12,010,589	0.3%	Rank history: not on the FY2021–FY2022 lists, #59 in FY2023, #28 in FY2024 and #34 in FY2025; down 11 since Aug 2024–Jul 2025.
50	Lawelawe Technology Services, Inc. Top agencies Army (Department of the Army)	$11,761,312	0.3%	Rank history: #67 in FY2021, #55 in FY2022, #46 in FY2023, #49 in FY2024 and #55 in FY2025; up 7 since Aug 2024–Jul 2025.
51	Kaihonua LLC Top agencies Army (Department of the Army)	$11,673,945	0.3%	Rank history: #56 in FY2021, #45 in FY2022, #41 in FY2023, #48 in FY2024 and #49 in FY2025; up 7 since Aug 2024–Jul 2025.
52	American Systems Corporation Top agencies DHA (Defense Health Agency)	$11,547,610	0.3%	Rank history: #30 in FY2021, #38 in FY2022, #29 in FY2023, #70 in FY2024 and #40 in FY2025; down 12 since Aug 2024–Jul 2025.
53	Cherokee Nation 3 awardees, including Cherokee Nation System Solutions LLC, Criterion Systems, L.L.C. and Cherokee Nation Operational Solutions, L.L.C. Top agencies USAF (Department of the Air Force) Commerce (Department of Commerce) DOT (Department of Transportation)	$11,345,446	0.3%	Rank history: #57 in FY2021, #56 in FY2022, not on the FY2023–FY2024 lists and #26 in FY2025; new, not ranked in Aug 2024–Jul 2025.
54	Lawelawe Defense, Inc. Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency)	$10,982,848	0.3%	Rank history: not on the FY2021–FY2023 lists, #74 in FY2024 and #59 in FY2025; up 5 since Aug 2024–Jul 2025.
55	Equinoxys Inc. Top agencies HHS (Department of Health and Human Services) Treasury (Department of the Treasury)	$10,976,047	0.3%	Rank history: #59 in FY2021, #43 in FY2022, not on the FY2023 list, #55 in FY2024 and #60 in FY2025; up 39 since Aug 2024–Jul 2025.
56	Hexagon US Federal, Inc. Top agencies Navy (Department of the Navy)	$10,601,031	0.3%	Rank history: not on the FY2021–FY2024 lists and #57 in FY2025; new, not ranked in Aug 2024–Jul 2025.
57	Blackwatch International Corporation Top agencies Commerce (Department of Commerce)	$10,538,875	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
58	Confederated Tribes of the Umatilla Indian Reservation Through Cayuse Federal Services LLC Top agencies Army (Department of the Army)	$10,267,524	0.3%	Rank history: not on the FY2021–FY2024 lists and #39 in FY2025; new, not ranked in Aug 2024–Jul 2025.
59	Cape Fox Corporation Through Cape Fox Federal Integrators, LLC Top agencies USAF (Department of the Air Force)	$10,217,931	0.3%	Rank history: not on the FY2021–FY2024 lists and #93 in FY2025; up 58 since Aug 2024–Jul 2025.
60	Business Operational Concepts, Llc. Top agencies Peace Corps	$10,200,408	0.3%	Rank history: not on the FY2021–FY2022 lists, #61 in FY2023, #91 in FY2024 and #64 in FY2025; unchanged since Aug 2024–Jul 2025.
61	B&T Technology Services, G.p. Top agencies Army (Department of the Army)	$10,179,530	0.3%	Rank history: not on the FY2021–FY2022 lists, #57 in FY2023, #64 in FY2024 and #52 in FY2025; down 26 since Aug 2024–Jul 2025.
62	SMS Data Products Group Inc. Top agencies USAF (Department of the Air Force)	$9,913,797	0.3%	Rank history: not on the FY2021–FY2024 lists and #33 in FY2025; down 16 since Aug 2024–Jul 2025.
63	Leader Communications Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$9,592,076	0.3%	Rank history: not on the FY2021–FY2024 lists and #89 in FY2025; up 58 since Aug 2024–Jul 2025.
64	Veritium Ingenuity, LLC Top agencies DOT (Department of Transportation)	$9,560,972	0.3%	Rank history: #79 in FY2021, #72 in FY2022, #58 in FY2023, #75 in FY2024 and #67 in FY2025; up 16 since Aug 2024–Jul 2025.
65	Forge Group, LLC Top agencies Navy (Department of the Navy)	$9,375,168	0.3%	Rank history: not on the FY2021 list, #96 in FY2022, not on the FY2023–FY2024 lists and #66 in FY2025; up 13 since Aug 2024–Jul 2025.
66	H2 Direct LLC Top agencies Army (Department of the Army)	$9,314,486	0.3%	Rank history: #80 in FY2021, #82 in FY2022, #81 in FY2023, #98 in FY2024 and #75 in FY2025; up 73 since Aug 2024–Jul 2025.
67	Ukpeagvik Inupiat Corporation 3 awardees, including Bowhead Weapons Development Solutions LLC, Bowhead Professional and Technical Solutions, LLC and Bowhead Base Operations LLC Top agencies Navy (Department of the Navy) DCMA (Defense Contract Management Agency) DOS (Department of State)	$9,103,192	0.3%	Rank history: not on the FY2021–FY2024 lists and #70 in FY2025; new, not ranked in Aug 2024–Jul 2025.
68	Tenax Technologies LLC Top agencies USAF (Department of the Air Force)	$9,049,764	0.3%	Rank history: not on the FY2021–FY2022 lists, #60 in FY2023, #61 in FY2024 and #65 in FY2025; down 3 since Aug 2024–Jul 2025.
69	Nexgen Technologies Inc. Top agencies DOI (Department of the Interior)	$8,989,775	0.3%	Rank history: not on the FY2021–FY2025 lists; up 110 since Aug 2024–Jul 2025.
70	G2Sf LLC Top agencies DOI (Department of the Interior) NRC (Nuclear Regulatory Commission)	$8,159,261	0.2%	Rank history: not on the FY2021–FY2024 lists and #61 in FY2025; new, not ranked in Aug 2024–Jul 2025.
71	Systems Implementers Inc. Top agencies USAF (Department of the Air Force)	$8,080,503	0.2%	Rank history: #40 in FY2021, #78 in FY2022, #32 in FY2023, #37 in FY2024 and #24 in FY2025; down 42 since Aug 2024–Jul 2025.
72	22Nd Century Technologies, Inc. Top agencies Commerce (Department of Commerce)	$8,007,987	0.2%	Rank history: #26 in FY2021, #28 in FY2022, #26 in FY2023, not on the FY2024 list and #56 in FY2025; up 20 since Aug 2024–Jul 2025.
73	A1Fedimpact,Llc Top agencies DHA (Defense Health Agency)	$7,734,725	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
74	Versatech / Impyrian Technology Network LLC Top agencies HHS (Department of Health and Human Services)	$7,718,835	0.2%	Rank history: not on the FY2021–FY2022 lists, #80 in FY2023, #52 in FY2024 and #71 in FY2025; up 49 since Aug 2024–Jul 2025.
75	Kl3, L.L.C. Top agencies DHA (Defense Health Agency)	$7,186,655	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
76	Tunista Logistics Solutions LLC Top agencies USAF (Department of the Air Force)	$7,116,687	0.2%	Rank history: not on the FY2021–FY2023 lists, #83 in FY2024 and #77 in FY2025; up 9 since Aug 2024–Jul 2025.
77	Motorola Solutions, Inc. Top agencies Navy (Department of the Navy)	$6,989,912	0.2%	Rank history: not on the FY2021–FY2024 lists and #73 in FY2025; new, not ranked in Aug 2024–Jul 2025.
78	NCR Government Systems LLC Top agencies DECA (Defense Commissary Agency) DHS (Department of Homeland Security) EOP (Executive Office of the President)	$6,855,533	0.2%	Rank history: not on the FY2021–FY2025 lists; up 74 since Aug 2024–Jul 2025.
79	Information Systems Solutions, Inc. Top agencies Army (Department of the Army)	$6,595,184	0.2%	Rank history: not on the FY2021–FY2024 lists and #72 in FY2025; up 7 since Aug 2024–Jul 2025.
80	Indev LLC Top agencies DHS (Department of Homeland Security)	$6,414,285	0.2%	Rank history: not on the FY2021–FY2024 lists and #83 in FY2025; down 13 since Aug 2024–Jul 2025.
81	1PROSPECT Technologies LLC Top agencies Army (Department of the Army)	$6,377,273	0.2%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2023, #79 in FY2024 and #88 in FY2025; down 6 since Aug 2024–Jul 2025.
82	Trillion Technology Solutions Inc. Top agencies DFC (International Development Finance Corporation)	$6,125,607	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
83	Aleknagik Technology, LLC Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$5,943,175	0.2%	Rank history: not on the FY2021–FY2024 lists and #82 in FY2025; up 22 since Aug 2024–Jul 2025.
84	Systems Plus, Inc. Top agencies DHA (Defense Health Agency)	$5,850,381	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
85	Koa Lani JV LLC Top agencies USAF (Department of the Air Force)	$5,668,633	0.2%	Rank history: not on the FY2021–FY2022 lists, #36 in FY2023, #27 in FY2024 and #31 in FY2025; down 57 since Aug 2024–Jul 2025.
86	Abacus Technology Corporation Top agencies Army (Department of the Army)	$5,632,110	0.2%	Rank history: not on the FY2021–FY2025 lists; up 86 since Aug 2024–Jul 2025.
87	Efiia Consulting LLC Top agencies DOJ (Department of Justice)	$5,475,505	0.2%	Rank history: #51 in FY2021, #60 in FY2022, #64 in FY2023, #50 in FY2024 and #62 in FY2025; down 36 since Aug 2024–Jul 2025.
88	Team Ronco Incorporated Top agencies DOS (Department of State)	$5,292,352	0.2%	Rank history: not on the FY2021–FY2022 lists, #87 in FY2023, #94 in FY2024 and #80 in FY2025; up 1 since Aug 2024–Jul 2025.
89	Cognito Systems LLC Top agencies Army (Department of the Army)	$5,152,568	0.1%	Rank history: not on the FY2021–FY2023 lists, #96 in FY2024 and #84 in FY2025; up 8 since Aug 2024–Jul 2025.
90	Western Door Federal, LLC Top agencies DOS (Department of State)	$5,132,456	0.1%	Rank history: not on the FY2021–FY2023 lists, #82 in FY2024 and not on the FY2025 list; up 59 since Aug 2024–Jul 2025.
91	North American Consulting Services Inc. Top agencies USAF (Department of the Air Force)	$4,813,651	0.1%	Rank history: #82 in FY2021, not on the FY2022 list, #99 in FY2023, not on the FY2024 list and #85 in FY2025; up 9 since Aug 2024–Jul 2025.
92	Aderas Inc. Top agencies DFC (International Development Finance Corporation)	$4,780,617	0.1%	Rank history: not on the FY2021–FY2025 lists; up 38 since Aug 2024–Jul 2025.
93	Peregrine Advisors Benefit Inc. Top agencies SEC (Securities and Exchange Commission)	$4,736,354	0.1%	Rank history: not on the FY2021–FY2024 lists and #91 in FY2025; down 2 since Aug 2024–Jul 2025.
94	People, Technology and Processes, LLC Top agencies Army (Department of the Army)	$4,655,184	0.1%	Rank history: not on the FY2021–FY2024 lists and #99 in FY2025; up 92 since Aug 2024–Jul 2025.
95	Pelatron Technologies LLC Top agencies USAF (Department of the Air Force)	$4,541,107	0.1%	Rank history: #78 in FY2021, #76 in FY2022, #69 in FY2023, #77 in FY2024 and #78 in FY2025; down 26 since Aug 2024–Jul 2025.
96	Saalex Corp Top agencies Navy (Department of the Navy)	$4,521,664	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
97	Kode Labs, Inc. Top agencies GSA (General Services Administration)	$4,259,500	0.1%	Rank history: not on the FY2021–FY2024 lists and #69 in FY2025; down 2 since Aug 2024–Jul 2025.
98	LS3 Inc. Top agencies USDA (Department of Agriculture)	$4,154,988	0.1%	Rank history: #96 in FY2021, #99 in FY2022, not on the FY2023 list, #95 in FY2024 and #94 in FY2025; up 5 since Aug 2024–Jul 2025.
99	Agilerank LLC Top agencies VA (Department of Veterans Affairs)	$3,912,827	0.1%	Rank history: not on the FY2021–FY2025 lists; up 117 since Aug 2024–Jul 2025.
100	Pergravis LLC Top agencies DISA (Defense Information Systems Agency) DOJ (Department of Justice) Army (Department of the Army)	$3,895,238	0.1%	Rank history: #89 in FY2021, #59 in FY2022, not on the FY2023 list, #93 in FY2024 and not on the FY2025 list; up 26 since Aug 2024–Jul 2025.

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100 of 345 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 $3.44 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. An awardee whose own actions mostly name no parent, and that no other company's actions name as their parent, rolls up its SAM.gov registration's chain of parent companies: it counts under the first company there that other companies' actions name as their parent, or under the parent most of a company's own actions name, whichever comes first; with neither, under the highest company in the chain with federal contracts of its own. Joint ventures stay companies of their own. 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.
Period: the trailing 12 months end with the last month that ended at least 90 days ago, because the Department of Defense reports its contract actions to FPDS about 90 days late. The list is rebuilt each night.
Rank changes compare with Aug 2024–Jul 2025. "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.
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 Aug 2025–Jul 2026?

1. Leidos Holdings, Inc. ($777M), 2. Arctic Slope Regional Corporation ($210M), 3. Science Applications International Corporation ($160M), 4. The Timken Company ($145M), 5. Amentum Holdings, Inc. ($143M), 6. Ernst & Young LLP ($125M), 7. LDRM LLC ($115M), 8. Bering Straits Native Corporation ($91.3M), 9. Stratascor, LLC ($68.5M), 10. Iron Bow Technologies, LLC ($47.9M).

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