Top 100 Contractors in NAICS 611: Educational Services, FY2021

Name: Top 100 Contractors in NAICS 611: Educational Services, FY2021
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2020 – Sep 30, 2021 Code page on GovTribe

The top 10 won 23% of FY2021 NAICS 611 contract dollars

Contract obligations: $5,036,468,723 Net of deobligations, by contracts coded NAICS 611 or a code under it
Contractors: 3,468 Parent companies with an obligation
Largest contractor: Management & Training Corporation $269 million, 5.0% 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	Management & Training Corporation Top agencies DOL (Department of Labor)	$269,057,812	5.0%	Rank history: #1 in FY2022, #1 in FY2023, #1 in FY2024 and #3 in FY2025; unchanged since FY2020.
2	Adams and Associates Inc. Top agencies DOL (Department of Labor)	$176,640,603	3.3%	Rank history: #2 in FY2022, #2 in FY2023, #2 in FY2024 and #2 in FY2025; unchanged since FY2020.
3	OWL Companies Through Career Systems Development Corporation Top agencies DOL (Department of Labor)	$144,464,522	2.7%	Rank history: #8 in FY2022, #9 in FY2023, #25 in FY2024 and not on the FY2025 list; up 1 since FY2020.
4	The Trustees of Princeton University Top agencies DOE (Department of Energy) Navy (Department of the Navy)	$142,186,687	2.7%	Rank history: #3 in FY2022, #3 in FY2023, #3 in FY2024 and #1 in FY2025; down 1 since FY2020.
5	Serrato Corporation Top agencies DOL (Department of Labor)	$104,694,215	2.0%	Rank history: #5 in FY2022, #11 in FY2023, #9 in FY2024 and #18 in FY2025; up 4 since FY2020.
6	Odle Management Group, L.L.C. Top agencies DOL (Department of Labor)	$88,236,195	1.7%	Rank history: #19 in FY2022, #19 in FY2023, #82 in FY2024 and not on the FY2025 list; down 1 since FY2020.
7	Nova Global Supply and Services LLC 2 awardees, including Valiant Global Defense Services Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$86,071,275	1.6%	Rank history: #10 in FY2022, #6 in FY2023, #17 in FY2024 and not on the FY2025 list; unchanged since FY2020.
8	Amentum Services, Inc. 2 awardees Top agencies Army (Department of the Army) Navy (Department of the Navy)	$83,450,867	1.6%	Rank history: #9 in FY2022 and not on the FY2023–FY2025 lists; up 23 since FY2020.
9	CAE Inc. 9 awardees, including CAE Usa, Inc., CAE USA Mission Solutions Inc. and CAE Simuflite, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$76,290,649	1.4%	Rank history: #6 in FY2022, #7 in FY2023, #26 in FY2024 and not on the FY2025 list; up 1 since FY2020.
10	State of California Controllers Office 21 awardees, including The Regents of the University of California, University of California, LOS Angeles and University of California, Davis Top agencies DOE (Department of Energy) VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$76,082,450	1.4%	Rank history: #68 in FY2022, #26 in FY2023 and not on the FY2024–FY2025 lists; up 74 since FY2020.
11	Draken UK Bidco Limited 2 awardees, including Draken International, LLC and FR Aviation Limited Top agencies USAF (Department of the Air Force)	$72,647,250	1.4%	Rank history: #24 in FY2022, #25 in FY2023, #50 in FY2024 and #19 in FY2025; down 3 since FY2020.
12	Airborne Tactical Advantage Co LLC Top agencies USAF (Department of the Air Force) DOT (Department of Transportation)	$67,568,414	1.3%	Rank history: #4 in FY2022 and not on the FY2023–FY2025 lists; down 6 since FY2020.
13	Crew Training International, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DOT (Department of Transportation)	$61,495,094	1.2%	Rank history: #25 in FY2022, not on the FY2023 list, #51 in FY2024 and #51 in FY2025; down 1 since FY2020.
14	Education & Training Resources LLC Top agencies DOL (Department of Labor)	$59,108,995	1.1%	Rank history: #11 in FY2022, #5 in FY2023 and not on the FY2024–FY2025 lists; up 12 since FY2020.
15	Minact, Inc. Top agencies DOL (Department of Labor)	$58,752,632	1.1%	Rank history: #16 in FY2022, #59 in FY2023 and not on the FY2024–FY2025 lists; unchanged since FY2020.
16	Blue Cross & Blue Shield of South Carolina Through Palmetto Gba, LLC Top agencies HHS (Department of Health and Human Services)	$58,333,548	1.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
17	PKL Services, Inc. Top agencies USAF (Department of the Air Force)	$54,610,959	1.0%	Rank history: #14 in FY2022, #81 in FY2023 and not on the FY2024–FY2025 lists; down 3 since FY2020.
18	L3Harris Technologies, Inc. 8 awardees, including CAE USA Inc. and L3 Technologies, Inc. Top agencies USAF (Department of the Air Force) DOT (Department of Transportation) Army (Department of the Army)	$50,662,252	1.0%	Rank history: #34 in FY2022, #18 in FY2023, #40 in FY2024 and not on the FY2025 list; down 5 since FY2020.
19	Chugach Alaska Corporation 3 awardees, including Chugach Education Services, Inc. and Chugach Training and Educational Solutions, LLC Top agencies DOL (Department of Labor) DHS (Department of Homeland Security)	$50,000,212	0.9%	Rank history: #42 in FY2022, not on the FY2023 list, #70 in FY2024 and #92 in FY2025; down 8 since FY2020.
20	Jacobs Engineering Group Inc. 3 awardees, including Amentum Technology, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$45,788,779	0.9%	Rank history: #15 in FY2022, #14 in FY2023 and not on the FY2024–FY2025 lists; up 25 since FY2020.
21	Ciqima Federal Services LLC Top agencies DHA (Defense Health Agency)	$44,795,857	0.8%	Rank history: #13 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
22	Alternate Perspectives Inc. Top agencies DOL (Department of Labor)	$44,575,247	0.8%	Rank history: #52 in FY2022, #77 in FY2023 and not on the FY2024–FY2025 lists; unchanged since FY2020.
23	Berkshire Hathaway Inc. 2 awardees, including Flightsafety International Inc. and Flightsafety Defense Corporation Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$43,921,417	0.8%	Rank history: #20 in FY2022, #8 in FY2023, #33 in FY2024 and not on the FY2025 list; down 4 since FY2020.
24	International Business Machines Corporation 3 awardees Top agencies OPM (Office of Personnel Management)	$41,715,559	0.8%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
25	Oak Grove Technologies, LLC Top agencies USSOCOM (United States Special Operations Command) Army (Department of the Army) DOJ (Department of Justice)	$40,536,373	0.8%	Rank history: #46 in FY2022 and not on the FY2023–FY2025 lists; down 7 since FY2020.
26	Tetra Tech, Inc. Through Ard, Inc. Top agencies USAID (US Agency for International Development)	$40,029,181	0.8%	Rank history: #27 in FY2022, #55 in FY2023, #57 in FY2024 and not on the FY2025 list; up 15 since FY2020.
27	Janus Research Group, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$38,057,633	0.7%	Rank history: #18 in FY2022, #28 in FY2023, #30 in FY2024 and #74 in FY2025; unchanged since FY2020.
28	University System of Maryland 10 awardees, including University of Maryland, College Park, University of Maryland, Baltimore and University of Maryland Global Campus Top agencies OSD (Office of the Secretary of Defense) DARPA (Defense Advanced Research Projects Agency) Navy (Department of the Navy)	$38,054,545	0.7%	Rank history: #26 in FY2022, #12 in FY2023 and not on the FY2024–FY2025 lists; up 11 since FY2020.
29	University of Alaska Fairbanks Top agencies NGA (Department of Defense National Geospatial Intelligence Agency) OSD (Office of the Secretary of Defense) USAF (Department of the Air Force)	$35,540,356	0.7%	Rank history: not on the FY2022–FY2025 lists; up 159 since FY2020.
30	RES-Care Inc. 2 awardees, including Arbor E & T LLC Top agencies DOL (Department of Labor)	$33,245,594	0.6%	Rank history: #56 in FY2022, #61 in FY2023 and not on the FY2024–FY2025 lists; down 2 since FY2020.
31	Institute of International Education Inc. Top agencies DHRA (Defense Human Resources Activity)	$32,789,176	0.6%	Rank history: #23 in FY2022, #13 in FY2023, #16 in FY2024 and #31 in FY2025; new, not ranked in FY2020.
32	Kbr, Inc. 5 awardees, including Kord Technologies, LLC and KBR Wyle Services, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$31,233,207	0.6%	Rank history: not on the FY2022 list, #47 in FY2023 and not on the FY2024–FY2025 lists; up 269 since FY2020.
33	Human Resources Research Organization (Humrro) Top agencies DHRA (Defense Human Resources Activity) Army (Department of the Army) DOS (Department of State)	$29,206,328	0.5%	Rank history: #22 in FY2022, #23 in FY2023, #22 in FY2024 and #16 in FY2025; down 8 since FY2020.
34	General Dynamics Corporation 6 awardees, including General Dynamics Information Technology, Inc. and General Dynamics One Source LLC Top agencies Army (Department of the Army) DHS (Department of Homeland Security) Navy (Department of the Navy)	$25,543,010	0.5%	Rank history: #89 in FY2022, #84 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2020.
35	Pinnacle Solutions, LLC Top agencies Army (Department of the Army)	$24,641,618	0.5%	Rank history: #41 in FY2022, #70 in FY2023 and not on the FY2024–FY2025 lists; down 14 since FY2020.
36	Heritage Services Corporation Top agencies DOL (Department of Labor)	$23,749,060	0.4%	Rank history: #71 in FY2022 and not on the FY2023–FY2025 lists; up 26 since FY2020.
37	Delaware Resource Group of Oklahoma LLC Top agencies USAF (Department of the Air Force) DOI (Department of the Interior)	$23,576,023	0.4%	Rank history: #64 in FY2022 and not on the FY2023–FY2025 lists; down 1 since FY2020.
38	International Development & Resources, Inc. Top agencies USSOCOM (United States Special Operations Command)	$23,048,103	0.4%	Rank history: #31 in FY2022, not on the FY2023–FY2024 lists and #38 in FY2025; down 1 since FY2020.
39	University of Texas System 10 awardees, including The University of Texas Southwestern Medical Center, University of Texas Health Science Center of San Antonio and University of Texas At Austin Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy) Army (Department of the Army)	$22,803,843	0.4%	Rank history: #69 in FY2022, #51 in FY2023 and not on the FY2024–FY2025 lists; up 33 since FY2020.
40	Endless Horizons Inc. Through Horizons Youth Services, L.C. Top agencies DOL (Department of Labor)	$22,252,270	0.4%	Rank history: #73 in FY2022, #96 in FY2023 and not on the FY2024–FY2025 lists; down 16 since FY2020.
41	Kratos Defense & Security Solutions, Inc. Through Kratos Technology & Training Solutions, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$21,768,740	0.4%	Rank history: not on the FY2022–FY2025 lists; down 21 since FY2020.
42	ESG Aerosystems, Inc. Top agencies Navy (Department of the Navy)	$20,966,939	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
43	Kupono Government Services, LLC Top agencies DOE (Department of Energy)	$20,562,988	0.4%	Rank history: #37 in FY2022, #41 in FY2023, #41 in FY2024 and not on the FY2025 list; up 16 since FY2020.
44	Management Concepts, Inc. Top agencies Navy (Department of the Navy) DOL (Department of Labor) HHS (Department of Health and Human Services)	$20,012,980	0.4%	Rank history: #48 in FY2022, #48 in FY2023, #56 in FY2024 and #76 in FY2025; down 1 since FY2020.
45	Human Learning Systems LLC Top agencies DOL (Department of Labor)	$19,489,122	0.4%	Rank history: #12 in FY2022, #17 in FY2023, #20 in FY2024 and #29 in FY2025; up 8 since FY2020.
46	Exceed, LLC Top agencies DOL (Department of Labor)	$18,987,393	0.4%	Rank history: not on the FY2022–FY2024 lists and #83 in FY2025; up 25 since FY2020.
47	The Rockhill Group. Inc. Top agencies USAF (Department of the Air Force)	$18,980,826	0.4%	Rank history: #44 in FY2022, #50 in FY2023, #65 in FY2024 and #70 in FY2025; up 3 since FY2020.
48	Science Applications International Corporation Top agencies Navy (Department of the Navy)	$18,208,027	0.3%	Rank history: #53 in FY2022, #60 in FY2023, #35 in FY2024 and not on the FY2025 list; up 13 since FY2020.
49	GP Strategies Corporation Top agencies Army (Department of the Army) Treasury (Department of the Treasury) HHS (Department of Health and Human Services)	$18,119,751	0.3%	Rank history: #30 in FY2022, #72 in FY2023, #45 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
50	Indtai, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$17,772,659	0.3%	Rank history: not on the FY2022–FY2025 lists; up 8 since FY2020.
51	RTX Corporation 5 awardees, including Goodrich Corporation, Everfox LLC and Raytheon Company Top agencies USAF (Department of the Air Force) DISA (Defense Information Systems Agency) Army (Department of the Army)	$17,665,853	0.3%	Rank history: #97 in FY2022, #35 in FY2023 and not on the FY2024–FY2025 lists; down 5 since FY2020.
52	Metris LLC Top agencies DHS (Department of Homeland Security) Army (Department of the Army)	$17,616,482	0.3%	Rank history: #61 in FY2022, #42 in FY2023, #72 in FY2024 and #54 in FY2025; down 1 since FY2020.
53	Tactical Air Support, Inc. Top agencies USAF (Department of the Air Force)	$17,510,553	0.3%	Rank history: #47 in FY2022, #20 in FY2023, #13 in FY2024 and #17 in FY2025; down 13 since FY2020.
54	Insights Training Group, LLC Top agencies DOL (Department of Labor)	$17,323,630	0.3%	Rank history: not on the FY2022 list, #31 in FY2023, #28 in FY2024 and #34 in FY2025; down 24 since FY2020.
55	Education Development Center, Inc. Top agencies USAID (US Agency for International Development) ED (Department of Education)	$17,017,918	0.3%	Rank history: not on the FY2022–FY2025 lists; up 44 since FY2020.
56	Lockheed Martin Corporation 5 awardees, including Sikorsky Aircraft Corporation Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$16,871,391	0.3%	Rank history: not on the FY2022–FY2024 lists and #6 in FY2025; up 14 since FY2020.
57	Francisco Partners Management 2 awardees, including Everfox LLC and Discovery Education, Inc. Top agencies DISA (Defense Information Systems Agency) Navy (Department of the Navy) DCMA (Defense Contract Management Agency)	$16,773,261	0.3%	Rank history: #98 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
58	State of Arizona 3 awardees, including University of Arizona Top agencies HHS (Department of Health and Human Services) Smithsonian (Smithsonian Institution) Navy (Department of the Navy)	$16,625,443	0.3%	Rank history: #32 in FY2022 and not on the FY2023–FY2025 lists; up 52 since FY2020.
59	Cubrc, Inc. Top agencies Army (Department of the Army) DARPA (Defense Advanced Research Projects Agency) USAF (Department of the Air Force)	$16,602,409	0.3%	Rank history: #38 in FY2022, #53 in FY2023, #49 in FY2024 and #32 in FY2025; up 8 since FY2020.
60	Town of Lincoln Town Hall Top agencies DODEA (Department of Defense Education Activity)	$16,587,336	0.3%	Rank history: #59 in FY2022, #63 in FY2023, #52 in FY2024 and #50 in FY2025; up 8 since FY2020.
61	Tyonek Native Corporatio Through Tyonek Global Services LLC Top agencies USAF (Department of the Air Force)	$16,465,486	0.3%	Rank history: not on the FY2022–FY2025 lists; down 27 since FY2020.
62	Redhorse Corporation Top agencies OSD (Office of the Secretary of Defense) WHS (DOD Washington Headquarters Service) Army (Department of the Army)	$15,933,793	0.3%	Rank history: #49 in FY2022, not on the FY2023 list, #36 in FY2024 and #49 in FY2025; down 8 since FY2020.
63	The Escal Institute of Advanced Technologies, Inc. Top agencies Army (Department of the Army) DOJ (Department of Justice) Navy (Department of the Navy)	$15,235,504	0.3%	Rank history: #63 in FY2022, #67 in FY2023 and not on the FY2024–FY2025 lists; down 19 since FY2020.
64	Randstad North America Inc. Through Monster Government Solutions, LLC Top agencies DHS (Department of Homeland Security) Treasury (Department of the Treasury) DOI (Department of the Interior)	$14,686,795	0.3%	Rank history: #76 in FY2022, #99 in FY2023 and not on the FY2024–FY2025 lists; up 9 since FY2020.
65	Techwerks LLC Top agencies VA (Department of Veterans Affairs)	$14,616,947	0.3%	Rank history: not on the FY2022–FY2025 lists; up 58 since FY2020.
66	Advanced Technology Leaders, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$14,361,458	0.3%	Rank history: #77 in FY2022 and not on the FY2023–FY2025 lists; up 68 since FY2020.
67	Exodyne, Inc. Through Dynamic Educational Systems Inc. Top agencies DOL (Department of Labor)	$14,263,129	0.3%	Rank history: #60 in FY2022, #58 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
68	Northrop Grumman Corporation 3 awardees, including Northrop Grumman Systems Corporation Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force)	$13,818,573	0.3%	Rank history: not on the FY2022–FY2025 lists; up 23 since FY2020.
69	Obsidian Solutions Group LLC Top agencies Navy (Department of the Navy)	$13,529,323	0.3%	Rank history: not on the FY2022 list, #43 in FY2023, #60 in FY2024 and #94 in FY2025; up 57 since FY2020.
70	American Institutes for Research In the Behavioral Sciences 2 awardees, including Growth Transitions Inc. Top agencies ED (Department of Education) DOL (Department of Labor)	$13,333,487	0.3%	Rank history: not on the FY2022–FY2025 lists; up 6 since FY2020.
71	Avix-Bgi JV LLC Top agencies USAF (Department of the Air Force)	$13,294,764	0.2%	Rank history: #78 in FY2022, #78 in FY2023, #61 in FY2024 and not on the FY2025 list; up 14 since FY2020.
72	Allen Corporation of America, Inc. Top agencies DOT (Department of Transportation)	$13,269,681	0.2%	Rank history: #81 in FY2022, #75 in FY2023, #86 in FY2024 and #72 in FY2025; up 36 since FY2020.
73	The Masy Group LLC Top agencies DIA (Defense Intelligence Agency) Army (Department of the Army) HHS (Department of Health and Human Services)	$13,268,464	0.2%	Rank history: not on the FY2022–FY2025 lists; up 5 since FY2020.
74	Aaski Technology Inc. 3 awardees, including North American Surveillance Systems, Inc. Top agencies USAF (Department of the Air Force)	$13,113,624	0.2%	Rank history: #88 in FY2022 and not on the FY2023–FY2025 lists; down 8 since FY2020.
75	DAI Global LLC Top agencies USAID (US Agency for International Development)	$12,801,138	0.2%	Rank history: not on the FY2022–FY2025 lists; down 20 since FY2020.
76	Strategix Management LLC Top agencies DOL (Department of Labor)	$12,754,890	0.2%	Rank history: #50 in FY2022, #27 in FY2023, #19 in FY2024 and #23 in FY2025; new, not ranked in FY2020.
77	Duke University 3 awardees, including Private Diagnostic Clinic, PLLC and Duke University Health System, Inc. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) Navy (Department of the Navy)	$12,700,719	0.2%	Rank history: #84 in FY2022, #73 in FY2023, #100 in FY2024 and not on the FY2025 list; up 247 since FY2020.
78	Calibre Systems Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$12,695,970	0.2%	Rank history: #74 in FY2022 and not on the FY2023–FY2025 lists; down 1 since FY2020.
79	Massachusetts Institute of Technology 2 awardees Top agencies NASA (National Aeronautics and Space Administration) Navy (Department of the Navy) Army (Department of the Army)	$12,677,186	0.2%	Rank history: #62 in FY2022, #92 in FY2023, not on the FY2024 list and #67 in FY2025; up 28 since FY2020.
80	Armada, Ltd. Top agencies USAF (Department of the Air Force) DOJ (Department of Justice) DIA (Defense Intelligence Agency)	$12,236,983	0.2%	Rank history: not on the FY2022–FY2023 lists, #97 in FY2024 and not on the FY2025 list; unchanged since FY2020.
81	International Center for Language Studies, Inc. Top agencies DOS (Department of State) Army (Department of the Army) USAID (US Agency for International Development)	$12,054,573	0.2%	Rank history: #65 in FY2022, #29 in FY2023, #31 in FY2024 and #39 in FY2025; down 46 since FY2020.
82	Sierra Nevada Company, LLC Top agencies USAF (Department of the Air Force)	$11,827,051	0.2%	Rank history: not on the FY2022–FY2025 lists; down 19 since FY2020.
83	University of Kentucky 3 awardees, including The University of Kentucky Research Foundation Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy) Army (Department of the Army)	$11,714,960	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
84	Sonoran Technology & Professional Services LLC Top agencies USAF (Department of the Air Force)	$11,525,386	0.2%	Rank history: not on the FY2022–FY2025 lists; down 24 since FY2020.
85	Marick Group LLC Top agencies DOT (Department of Transportation) DOJ (Department of Justice)	$11,433,177	0.2%	Rank history: not on the FY2022–FY2025 lists; up 93 since FY2020.
86	Resicum International LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force) USSOCOM (United States Special Operations Command)	$11,320,321	0.2%	Rank history: not on the FY2022–FY2023 lists, #43 in FY2024 and #48 in FY2025; unchanged since FY2020.
87	Blue Air Training Corp Top agencies USAF (Department of the Air Force)	$11,305,554	0.2%	Rank history: #40 in FY2022, #52 in FY2023, not on the FY2024 list and #40 in FY2025; down 13 since FY2020.
88	Corps Solutions LLC Top agencies Navy (Department of the Navy)	$11,217,235	0.2%	Rank history: #92 in FY2022, #80 in FY2023 and not on the FY2024–FY2025 lists; up 14 since FY2020.
89	Global Language Translation, Inc. Top agencies DOS (Department of State) USAF (Department of the Air Force)	$11,099,074	0.2%	Rank history: not on the FY2022–FY2023 lists, #94 in FY2024 and not on the FY2025 list; down 6 since FY2020.
90	Flatter, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) DLA (Defense Logistics Agency)	$11,012,699	0.2%	Rank history: #80 in FY2022, #69 in FY2023 and not on the FY2024–FY2025 lists; up 5 since FY2020.
91	Afognak Native Corporation 5 awardees, including Alutiiq Management Services, LLC, Alutiiq Solutions, LLC and Alutiiq Essential Services LLC Top agencies DOL (Department of Labor) Navy (Department of the Navy) Army (Department of the Army)	$10,990,175	0.2%	Rank history: not on the FY2022–FY2025 lists; down 59 since FY2020.
92	Mckellar Corporation Top agencies Army (Department of the Army)	$10,872,659	0.2%	Rank history: #91 in FY2022 and not on the FY2023–FY2025 lists; up 4 since FY2020.
93	Solkoa Inc. Top agencies Army (Department of the Army)	$10,733,474	0.2%	Rank history: not on the FY2022–FY2025 lists; down 45 since FY2020.
94	Bluehalo LLC Top agencies Navy (Department of the Navy)	$10,618,589	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
95	The University of North Texas Health Science Center At Fort Worth Top agencies DOJ (Department of Justice) Navy (Department of the Navy) VA (Department of Veterans Affairs)	$10,606,865	0.2%	Rank history: not on the FY2022–FY2025 lists; down 66 since FY2020.
96	Complete Parachute Solutions, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$10,593,840	0.2%	Rank history: #93 in FY2022 and not on the FY2023–FY2025 lists; up 19 since FY2020.
97	BGI LLC Top agencies USAF (Department of the Air Force)	$10,593,755	0.2%	Rank history: not on the FY2022–FY2025 lists; up 7 since FY2020.
98	Kapili Services, LLC Top agencies DHA (Defense Health Agency)	$10,570,848	0.2%	Rank history: not on the FY2022–FY2025 lists; down 9 since FY2020.
99	George Washington University (The) 2 awardees Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) VA (Department of Veterans Affairs)	$10,508,455	0.2%	Rank history: not on the FY2022–FY2025 lists; up 29 since FY2020.
100	Cape Henry Associates, Inc. Top agencies Navy (Department of the Navy) DHA (Defense Health Agency)	$10,397,248	0.2%	Rank history: #99 in FY2022 and not on the FY2023–FY2025 lists; up 109 since FY2020.

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100 of 3,468 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	$2,249,773,874	Management & Training Corporation
6114 Business Schools and Computer and Management Training	$1,076,765,903	Jacobs Engineering Group Inc.
6113 Colleges, Universities, and Professional Schools	$804,070,113	The Trustees of Princeton University
6117 Educational Support Services	$466,558,084	Institute of International Education Inc.
6116 Other Schools and Instruction	$398,719,495	Nova Global Supply and Services LLC
6112 Junior Colleges	$5,255,396	Central Texas College

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 $5.33 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 2021 ran Oct 1, 2020 – Sep 30, 2021. 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 FY2020. "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 FY2020 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 FY2021?

1. Management & Training Corporation ($269M), 2. Adams and Associates Inc. ($177M), 3. OWL Companies ($144M), 4. The Trustees of Princeton University ($142M), 5. Serrato Corporation ($105M), 6. Odle Management Group, L.L.C. ($88.2M), 7. Nova Global Supply and Services LLC ($86.1M), 8. Amentum Services, Inc. ($83.5M), 9. CAE Inc. ($76.3M), 10. State of California Controllers Office ($76.1M).

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