Top 100 Contractors in NAICS 611: Educational Services, FY2025

Name: Top 100 Contractors in NAICS 611: Educational Services, FY2025
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

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

The top 10 won 23% of FY2025 NAICS 611 contract dollars

Contract obligations: $4,781,904,909 Net of deobligations, by contracts coded NAICS 611 or a code under it
Contractors: 2,864 Parent companies with an obligation
Largest contractor: The Trustees of Princeton University $224 million, 4.3% of obligations
Data as of: Oct 23, 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	The Trustees of Princeton University Top agencies DOE (Department of Energy) DARPA (Defense Advanced Research Projects Agency) NASA (National Aeronautics and Space Administration)	$224,326,822	4.3%	Rank history: #4 in FY2021, #3 in FY2022, #3 in FY2023 and #3 in FY2024; up 2 since FY2024.
2	Adams and Associates Inc. Top agencies DOL (Department of Labor)	$195,228,663	3.7%	Rank history: #2 in FY2021, #2 in FY2022, #2 in FY2023 and #2 in FY2024; unchanged since FY2024.
3	Management & Training Corporation Top agencies DOL (Department of Labor)	$160,330,794	3.1%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2023 and #1 in FY2024; down 2 since FY2024.
4	Foxmar Inc. Through Education & Training Resources LLC Top agencies DOL (Department of Labor)	$111,698,633	2.1%	Rank history: not on the FY2021–FY2023 lists and #7 in FY2024; up 3 since FY2024.
5	Lockheed Martin Corporation 3 awardees Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$107,329,916	2.0%	Rank history: #56 in FY2021 and not on the FY2022–FY2024 lists; up 273 since FY2024.
6	Deep Mile Networks LLC Top agencies DHA (Defense Health Agency)	$87,876,971	1.7%	Rank history: not on the FY2021–FY2022 lists, #4 in FY2023 and #5 in FY2024; down 1 since FY2024.
7	Amentum Services, Inc. 2 awardees Top agencies Army (Department of the Army)	$86,291,603	1.6%	Rank history: not on the FY2021–FY2022 lists, #10 in FY2023 and #4 in FY2024; down 3 since FY2024.
8	Valiant Global Defense Services Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$84,286,462	1.6%	Rank history: not on the FY2021–FY2023 lists and #24 in FY2024; up 16 since FY2024.
9	Textron Inc. 6 awardees, including Airborne Tactical Advantage Co LLC, Textron Aviation Defense LLC and Bell Textron Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DOJ (Department of Justice)	$82,169,549	1.6%	Rank history: not on the FY2021–FY2022 lists, #21 in FY2023 and #10 in FY2024; up 1 since FY2024.
10	CAE Usa, Inc. 3 awardees Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$74,144,884	1.4%	Rank history: not on the FY2021–FY2024 lists; up 172 since FY2024.
11	Career Systems Development Corporation Top agencies DOL (Department of Labor)	$72,926,432	1.4%	Rank history: not on the FY2021–FY2023 lists and #14 in FY2024; up 3 since FY2024.
12	Arbor E & T LLC Top agencies DOL (Department of Labor)	$69,513,904	1.3%	Rank history: not on the FY2021–FY2022 lists, #15 in FY2023 and #6 in FY2024; down 6 since FY2024.
13	Top Aces Corp. 2 awardees, including Blue Air Training Corp Top agencies USAF (Department of the Air Force)	$65,971,936	1.3%	Rank history: not on the FY2021–FY2024 lists; new.
14	Deloitte Through Deloitte Consulting LLP Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force) MCC (Millennium Challenge Corporation)	$65,131,602	1.2%	Rank history: not on the FY2021–FY2023 lists and #8 in FY2024; down 6 since FY2024.
15	Amentum Holdings, Inc. 4 awardees, including Amentum Technology, Inc. and Amentum Services, Inc. Top agencies Army (Department of the Army)	$52,334,420	1.0%	Rank history: not on the FY2021–FY2024 lists; new.
16	Berkshire Hathaway Inc. 4 awardees, including Flightsafety International Inc., Flightsafety Defense Corporation and Flightsafety Textron Aviation Training LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DOT (Department of Transportation)	$51,270,796	1.0%	Rank history: #23 in FY2021, #20 in FY2022, #8 in FY2023 and #33 in FY2024; up 17 since FY2024.
17	Eckerd Youth Alternatives, Inc. 2 awardees, including Odle Management Group, L.L.C. Top agencies DOL (Department of Labor)	$51,013,547	1.0%	Rank history: not on the FY2021 list, #54 in FY2022, #45 in FY2023 and #18 in FY2024; up 1 since FY2024.
18	CAE Inc. 8 awardees, including CAE USA Inc. and CAE Simuflite, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$50,968,831	1.0%	Rank history: #9 in FY2021, #6 in FY2022, #7 in FY2023 and #26 in FY2024; up 8 since FY2024.
19	Human Resources Research Organization (Humrro) Top agencies DHRA (Defense Human Resources Activity) DOS (Department of State)	$47,396,729	0.9%	Rank history: #33 in FY2021, #22 in FY2022, #23 in FY2023 and #22 in FY2024; up 3 since FY2024.
20	Tactical Air Support, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$46,443,523	0.9%	Rank history: #53 in FY2021, #47 in FY2022, #20 in FY2023 and #13 in FY2024; down 7 since FY2024.
21	Serrato Corporation Top agencies DOL (Department of Labor)	$45,739,042	0.9%	Rank history: #5 in FY2021, #5 in FY2022, #11 in FY2023 and #9 in FY2024; down 12 since FY2024.
22	Draken International, LLC Top agencies USAF (Department of the Air Force)	$43,246,696	0.8%	Rank history: #11 in FY2021, #24 in FY2022, #25 in FY2023 and #50 in FY2024; up 28 since FY2024.
23	Tyonek Technical Services, LLC Top agencies USAF (Department of the Air Force)	$43,028,046	0.8%	Rank history: not on the FY2021 list, #79 in FY2022, #36 in FY2023 and #27 in FY2024; up 4 since FY2024.
24	KBR Wyle Services LLC 4 awardees Top agencies Army (Department of the Army) Navy (Department of the Navy) NASA (National Aeronautics and Space Administration)	$39,779,724	0.8%	Rank history: not on the FY2021–FY2023 lists and #63 in FY2024; up 39 since FY2024.
25	Strategix Management LLC Top agencies DOL (Department of Labor)	$38,669,962	0.7%	Rank history: #76 in FY2021, #50 in FY2022, #27 in FY2023 and #19 in FY2024; down 6 since FY2024.
26	The Bizzell Group LLC Top agencies DOL (Department of Labor)	$38,071,748	0.7%	Rank history: not on the FY2021 list, #39 in FY2022, #22 in FY2023 and #23 in FY2024; down 3 since FY2024.
27	Aviation Systems Engineering Company Inc. Top agencies Navy (Department of the Navy)	$36,789,582	0.7%	Rank history: not on the FY2021–FY2022 lists, #66 in FY2023 and #53 in FY2024; up 26 since FY2024.
28	The Vanderbilt University 2 awardees, including Vanderbilt University Medical Center Top agencies VA (Department of Veterans Affairs)	$32,613,850	0.6%	Rank history: not on the FY2021–FY2024 lists; up 276 since FY2024.
29	Govcio, LLC 2 awardees, including Salient Crgt, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$32,075,092	0.6%	Rank history: not on the FY2021–FY2024 lists; new.
30	Seventh Dimension, LLC Top agencies USSOCOM (United States Special Operations Command) USAF (Department of the Air Force) Army (Department of the Army)	$30,585,396	0.6%	Rank history: not on the FY2021–FY2022 lists, #34 in FY2023 and #32 in FY2024; up 2 since FY2024.
31	Human Learning Systems LLC Top agencies DOL (Department of Labor)	$30,046,446	0.6%	Rank history: #45 in FY2021, #12 in FY2022, #17 in FY2023 and #20 in FY2024; down 11 since FY2024.
32	Eagle Harbor, LLC Top agencies DOE (Department of Energy)	$29,586,940	0.6%	Rank history: not on the FY2021–FY2024 lists; new.
33	Institute of International Education Inc. Top agencies DHRA (Defense Human Resources Activity)	$28,904,481	0.6%	Rank history: #31 in FY2021, #23 in FY2022, #13 in FY2023 and #16 in FY2024; down 17 since FY2024.
34	Cubrc, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$28,245,390	0.5%	Rank history: #59 in FY2021, #38 in FY2022, #53 in FY2023 and #49 in FY2024; up 15 since FY2024.
35	The Rockhill Group. Inc. 2 awardees, including Skywarrior Flight Training LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$27,479,905	0.5%	Rank history: #47 in FY2021, #44 in FY2022, #50 in FY2023 and #65 in FY2024; up 30 since FY2024.
36	Insights Training Group, LLC Top agencies DOL (Department of Labor)	$26,635,340	0.5%	Rank history: #54 in FY2021, not on the FY2022 list, #31 in FY2023 and #28 in FY2024; down 8 since FY2024.
37	The Regents of the University of California 2 awardees Top agencies DOE (Department of Energy) Navy (Department of the Navy)	$26,086,241	0.5%	Rank history: not on the FY2021–FY2023 lists and #37 in FY2024; unchanged since FY2024.
38	Guardians of Honor, LLC Top agencies NASA (National Aeronautics and Space Administration)	$25,164,685	0.5%	Rank history: not on the FY2021–FY2022 lists, #30 in FY2023 and not on the FY2024 list; up 87 since FY2024.
39	International Development & Resources, Inc. Top agencies USSOCOM (United States Special Operations Command) Army (Department of the Army)	$23,821,664	0.5%	Rank history: #38 in FY2021, #31 in FY2022 and not on the FY2023–FY2024 lists; returned.
40	International Center for Language Studies, Inc. Top agencies DOS (Department of State) Army (Department of the Army) USAID (US Agency for International Development)	$23,402,890	0.4%	Rank history: #81 in FY2021, #65 in FY2022, #29 in FY2023 and #31 in FY2024; down 9 since FY2024.
41	Fscx Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$22,268,889	0.4%	Rank history: not on the FY2021–FY2024 lists; up 67 since FY2024.
42	Indtai Inc. Top agencies Army (Department of the Army)	$21,662,691	0.4%	Rank history: not on the FY2021–FY2022 lists, #39 in FY2023 and #29 in FY2024; down 13 since FY2024.
43	Saguaro Business Solutions LLC Top agencies USAF (Department of the Air Force)	$21,658,933	0.4%	Rank history: not on the FY2021–FY2024 lists; up 100 since FY2024.
44	Katmai Management Services LLC Top agencies Navy (Department of the Navy)	$20,488,443	0.4%	Rank history: not on the FY2021 list, #66 in FY2022, #32 in FY2023 and #46 in FY2024; up 2 since FY2024.
45	Covenant Learning Solutions LLC Top agencies DOL (Department of Labor)	$20,335,070	0.4%	Rank history: not on the FY2021–FY2023 lists and #67 in FY2024; up 22 since FY2024.
46	The Aleut Corporation 2 awardees, including Aleut Management Services, LLC and Aleut Information Technology, LLC Top agencies USAF (Department of the Air Force)	$20,227,295	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
47	Everfox LLC Top agencies Navy (Department of the Navy) DOS (Department of State) USAF (Department of the Air Force)	$20,143,152	0.4%	Rank history: not on the FY2021–FY2023 lists and #58 in FY2024; up 11 since FY2024.
48	The Boeing Company 5 awardees, including Insitu, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) WHS (DOD Washington Headquarters Service)	$19,936,445	0.4%	Rank history: not on the FY2021 list, #7 in FY2022, not on the FY2023 list and #12 in FY2024; down 36 since FY2024.
49	Resicum International LLC Top agencies Army (Department of the Army)	$19,362,873	0.4%	Rank history: #86 in FY2021, not on the FY2022 list, #86 in FY2023 and #43 in FY2024; down 6 since FY2024.
50	Redhorse Corporation Top agencies OSD (Office of the Secretary of Defense) WHS (DOD Washington Headquarters Service) DOI (Department of the Interior)	$19,133,650	0.4%	Rank history: #62 in FY2021, #49 in FY2022, #46 in FY2023 and #36 in FY2024; down 14 since FY2024.
51	Town of Lincoln Town Hall Top agencies DODEA (Department of Defense Education Activity)	$18,808,444	0.4%	Rank history: #60 in FY2021, #59 in FY2022, #63 in FY2023 and #52 in FY2024; up 1 since FY2024.
52	Crew Training International, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$18,484,314	0.4%	Rank history: #13 in FY2021, #25 in FY2022, not on the FY2023 list and #51 in FY2024; down 1 since FY2024.
53	Foxhole Technology LLC Top agencies DISA (Defense Information Systems Agency) DOT (Department of Transportation)	$18,285,046	0.3%	Rank history: not on the FY2021–FY2022 lists, #56 in FY2023 and #66 in FY2024; up 13 since FY2024.
54	Metris LLC Top agencies DHS (Department of Homeland Security)	$18,001,865	0.3%	Rank history: #52 in FY2021, #61 in FY2022, #42 in FY2023 and #72 in FY2024; up 18 since FY2024.
55	GP Strategies Corporation 2 awardees, including GP Strategies Government Solutions, Inc. Top agencies Army (Department of the Army) HHS (Department of Health and Human Services)	$17,291,092	0.3%	Rank history: #49 in FY2021, #30 in FY2022, #72 in FY2023 and #45 in FY2024; down 10 since FY2024.
56	MVP Robotics, Inc. Top agencies Navy (Department of the Navy)	$16,903,019	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
57	Nana Regional Corporation Inc. Through Pinnacle Solutions, LLC Top agencies Army (Department of the Army)	$15,835,800	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
58	Victor 12, Inc. Top agencies VA (Department of Veterans Affairs)	$15,560,435	0.3%	Rank history: not on the FY2021–FY2022 lists, #44 in FY2023 and #44 in FY2024; down 14 since FY2024.
59	Team Carney, Inc. Top agencies DCSA (Defense Counterintelligence and Security Agency) DHS (Department of Homeland Security) DOI (Department of the Interior)	$14,406,648	0.3%	Rank history: not on the FY2021–FY2022 lists, #74 in FY2023 and #64 in FY2024; up 5 since FY2024.
60	Distinction LLC Top agencies DOL (Department of Labor)	$14,272,848	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
61	Leidos Holdings, Inc. 5 awardees, including Leidos, Inc. Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$14,189,248	0.3%	Rank history: not on the FY2021 list, #51 in FY2022, #57 in FY2023 and #48 in FY2024; down 13 since FY2024.
62	Aleut-Odle Training and Development JV 2, LLC Top agencies DOL (Department of Labor)	$14,177,236	0.3%	Rank history: not on the FY2021 list, #45 in FY2022, #54 in FY2023 and #34 in FY2024; down 28 since FY2024.
63	Dynamic Educational Systems Inc. Top agencies DOL (Department of Labor)	$14,110,979	0.3%	Rank history: not on the FY2021–FY2023 lists and #74 in FY2024; up 11 since FY2024.
64	Higherechelon, Inc. Top agencies Army (Department of the Army) NASA (National Aeronautics and Space Administration)	$13,733,924	0.3%	Rank history: not on the FY2021–FY2023 lists and #77 in FY2024; up 13 since FY2024.
65	Minact Inc Top agencies DOL (Department of Labor)	$13,301,031	0.3%	Rank history: not on the FY2021–FY2023 lists and #54 in FY2024; down 11 since FY2024.
66	Massachusetts Institute of Technology Top agencies NASA (National Aeronautics and Space Administration) Navy (Department of the Navy) USSOCOM (United States Special Operations Command)	$13,194,423	0.3%	Rank history: #79 in FY2021, #62 in FY2022, #92 in FY2023 and not on the FY2024 list; up 74 since FY2024.
67	American Heart Association, Inc. Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice)	$13,183,542	0.3%	Rank history: not on the FY2021 list, #90 in FY2022, #98 in FY2023 and #92 in FY2024; up 25 since FY2024.
68	Goldbelt, Incorporated Through Goldbelt Apex, LLC Top agencies Army (Department of the Army)	$12,984,221	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
69	Avix-Bgi JV II, LLC Top agencies USAF (Department of the Air Force)	$12,803,381	0.2%	Rank history: not on the FY2021–FY2022 lists, #85 in FY2023 and #80 in FY2024; up 11 since FY2024.
70	Allen Corporation of America, Inc. Top agencies DOT (Department of Transportation)	$12,601,431	0.2%	Rank history: #72 in FY2021, #81 in FY2022, #75 in FY2023 and #86 in FY2024; up 16 since FY2024.
71	Ravn Group, Inc. Top agencies USAF (Department of the Air Force)	$12,577,718	0.2%	Rank history: not on the FY2021–FY2023 lists and #78 in FY2024; up 7 since FY2024.
72	Janus Research Group, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$12,446,718	0.2%	Rank history: #27 in FY2021, #18 in FY2022, #28 in FY2023 and #30 in FY2024; down 42 since FY2024.
73	Aviation Training Consulting, LLC Top agencies Navy (Department of the Navy)	$12,367,491	0.2%	Rank history: not on the FY2021 list, #75 in FY2022, #79 in FY2023 and #75 in FY2024; up 2 since FY2024.
74	Arizona State University 2 awardees Top agencies Navy (Department of the Navy) DSCA (Defense Security Cooperation Agency) USAF (Department of the Air Force)	$12,327,526	0.2%	Rank history: not on the FY2021–FY2024 lists; up 274 since FY2024.
75	The Escal Institute of Advanced Technologies, Inc. 2 awardees, including Sans Innovation Center LLC Top agencies Army (Department of the Army) DOJ (Department of Justice) DHS (Department of Homeland Security)	$12,165,819	0.2%	Rank history: #63 in FY2021, #63 in FY2022, #67 in FY2023 and not on the FY2024 list; up 27 since FY2024.
76	Management Concepts, Inc. Top agencies DOL (Department of Labor) Army (Department of the Army) GSA (General Services Administration)	$12,028,668	0.2%	Rank history: #44 in FY2021, #48 in FY2022, #48 in FY2023 and #56 in FY2024; down 20 since FY2024.
77	Caesar Rodney School District Top agencies DODEA (Department of Defense Education Activity)	$11,977,356	0.2%	Rank history: not on the FY2021 list, #96 in FY2022, not on the FY2023 list and #96 in FY2024; up 19 since FY2024.
78	Johns Hopkins University 2 awardees, including The Johns Hopkins Health System Corporation Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense) DTRA (Defense Threat Reduction Agency)	$11,826,232	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
79	Document Storage Systems, Inc. Top agencies VA (Department of Veterans Affairs)	$11,770,122	0.2%	Rank history: not on the FY2021–FY2023 lists and #98 in FY2024; up 19 since FY2024.
80	Arctic Slope Regional Corporation 3 awardees, including Asrc Federal Technology Solutions, LLC, Agile Decision Sciences, LLC and Asrc Federal Cyber, LLC Top agencies Commerce (Department of Commerce) Army (Department of the Army) Navy (Department of the Navy)	$11,766,696	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
81	Chitra Productions LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$11,738,824	0.2%	Rank history: not on the FY2021–FY2023 lists and #83 in FY2024; up 2 since FY2024.
82	Cornerstone Ondemand Inc. Top agencies OSD (Office of the Secretary of Defense) Navy (Department of the Navy) SSA (Social Security Administration)	$11,578,709	0.2%	Rank history: not on the FY2021–FY2023 lists and #85 in FY2024; up 3 since FY2024.
83	Exceed, LLC Top agencies DOL (Department of Labor)	$11,401,410	0.2%	Rank history: #46 in FY2021 and not on the FY2022–FY2024 lists; up 34 since FY2024.
84	Western Governors University Top agencies Navy (Department of the Navy)	$11,200,000	0.2%	Rank history: not on the FY2021–FY2024 lists; up 145 since FY2024.
85	Medstar-Georgetown Medical Center, Inc. Top agencies VA (Department of Veterans Affairs)	$10,854,613	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
86	Soar Technology Inc. Through Accelint AI, LLC Top agencies Navy (Department of the Navy)	$10,671,691	0.2%	Rank history: not on the FY2021–FY2023 lists and #79 in FY2024; down 7 since FY2024.
87	Ids International, LLC Top agencies Army (Department of the Army)	$10,596,414	0.2%	Rank history: not on the FY2021–FY2023 lists and #68 in FY2024; down 19 since FY2024.
88	Lifeskills Connection Inc Top agencies DOL (Department of Labor) USDA (Department of Agriculture)	$10,576,499	0.2%	Rank history: not on the FY2021–FY2023 lists and #69 in FY2024; down 19 since FY2024.
89	Cybermedia Technologies LLC Top agencies OSD (Office of the Secretary of Defense)	$10,555,446	0.2%	Rank history: not on the FY2021–FY2022 lists, #100 in FY2023 and #99 in FY2024; up 10 since FY2024.
90	Avix-Bgi Technical Services JV LLC Top agencies USAF (Department of the Air Force)	$10,457,738	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
91	Chugach Alaska Corporation 2 awardees, including Chugach Training and Educational Solutions, LLC Top agencies DOL (Department of Labor)	$10,138,223	0.2%	Rank history: #19 in FY2021, #42 in FY2022, not on the FY2023 list and #70 in FY2024; down 21 since FY2024.
92	Web Business Solutions Inc. Top agencies Navy (Department of the Navy)	$10,019,396	0.2%	Rank history: not on the FY2021–FY2022 lists, #95 in FY2023 and not on the FY2024 list; up 40 since FY2024.
93	Obsidian Solutions Group LLC Top agencies Navy (Department of the Navy)	$10,005,770	0.2%	Rank history: #69 in FY2021, not on the FY2022 list, #43 in FY2023 and #60 in FY2024; down 33 since FY2024.
94	Language Associates LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$9,926,338	0.2%	Rank history: not on the FY2021–FY2024 lists; up 44 since FY2024.
95	Precise Federal Consulting LLC Top agencies HHS (Department of Health and Human Services)	$9,899,794	0.2%	Rank history: not on the FY2021–FY2022 lists, #97 in FY2023 and not on the FY2024 list; up 10 since FY2024.
96	Downrange Operations and Training LLC Top agencies Army (Department of the Army)	$9,665,068	0.2%	Rank history: not on the FY2021–FY2024 lists; up 340 since FY2024.
97	Advanced Concepts Enterprises, Inc. Top agencies USAF (Department of the Air Force)	$9,540,241	0.2%	Rank history: not on the FY2021–FY2024 lists; up 14 since FY2024.
98	Guzman & Griffin Technologies, Inc. Top agencies DOT (Department of Transportation)	$9,496,518	0.2%	Rank history: not on the FY2021 list, #83 in FY2022 and not on the FY2023–FY2024 lists; up 31 since FY2024.
99	Tactair Fluid Controls Inc Through Airborne Systems North America of NJ Inc. Top agencies Navy (Department of the Navy)	$9,486,842	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
100	Virginia Polytechnic Institute & State University Top agencies Navy (Department of the Navy)	$9,486,072	0.2%	Rank history: not on the FY2021–FY2024 lists; up 206 since FY2024.

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100 of 2,864 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 611

Code	Net obligations	Largest contractor
6115 Technical and Trade Schools	$2,162,572,754	Adams and Associates Inc.
6114 Business Schools and Computer and Management Training	$970,742,963	Deep Mile Networks LLC
6113 Colleges, Universities, and Professional Schools	$848,217,457	The Trustees of Princeton University
6117 Educational Support Services	$401,427,772	Human Resources Research Organization (Humrro)
6116 Other Schools and Instruction	$355,363,889	Valiant Global Defense Services Inc.

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 $5.25 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.
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 611 contractors in FY2025?

1. The Trustees of Princeton University ($224M), 2. Adams and Associates Inc. ($195M), 3. Management & Training Corporation ($160M), 4. Foxmar Inc. ($112M), 5. Lockheed Martin Corporation ($107M), 6. Deep Mile Networks LLC ($87.9M), 7. Amentum Services, Inc. ($86.3M), 8. Valiant Global Defense Services Inc. ($84.3M), 9. Textron Inc. ($82.2M), 10. CAE Usa, Inc. ($74.1M).

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