Top 100 Contractors in NAICS 61171: Educational Support Services, FY2024

Name: Top 100 Contractors in NAICS 61171: Educational Support Services, FY2024
Creator: GovTribe

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

The top 10 won 43% of FY2024 NAICS 61171 contract dollars

Contract obligations: $559,852,972 Net of deobligations, by contracts coded NAICS 61171 or a code under it
Contractors: 756 Parent companies with an obligation
Largest contractor: Institute of International Education Inc. $49.1 million, 8.3% 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	Institute of International Education Inc. Top agencies DHRA (Defense Human Resources Activity)	$49,133,747	8.3%	Rank history: #1 in FY2021, #2 in FY2022, #1 in FY2023 and #2 in FY2025; unchanged since FY2023.
2	Human Resources Research Organization (Humrro) Top agencies DHRA (Defense Human Resources Activity) DOS (Department of State)	$42,078,966	7.1%	Rank history: #2 in FY2021, #1 in FY2022, #2 in FY2023 and #1 in FY2025; unchanged since FY2023.
3	Indtai Inc Top agencies Army (Department of the Army)	$33,351,087	5.6%	Rank history: #4 in FY2021, #5 in FY2022, #5 in FY2023 and #4 in FY2025; up 2 since FY2023.
4	Guardians of Honor, LLC 2 awardees Top agencies NASA (National Aeronautics and Space Administration)	$30,918,972	5.2%	Rank history: not on the FY2021–FY2022 lists, #3 in FY2023 and #3 in FY2025; down 1 since FY2023.
5	Salient Federal-Sgis Inc Top agencies Navy (Department of the Navy)	$27,199,794	4.6%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
6	Victor 12, Inc. Top agencies VA (Department of Veterans Affairs)	$21,049,217	3.5%	Rank history: #11 in FY2021, #11 in FY2022, #6 in FY2023 and #6 in FY2025; unchanged since FY2023.
7	GP Strategies Corporation Top agencies Army (Department of the Army)	$18,406,862	3.1%	Rank history: #3 in FY2021, #3 in FY2022, #9 in FY2023 and not on the FY2025 list; up 2 since FY2023.
8	Cybermedia Technologies LLC Top agencies OSD (Office of the Secretary of Defense)	$10,981,834	1.9%	Rank history: #10 in FY2021, #7 in FY2022, #11 in FY2023 and #7 in FY2025; up 3 since FY2023.
9	Global Business Solutions, Llc. Top agencies USAF (Department of the Air Force)	$10,614,755	1.8%	Rank history: not on the FY2021 list, #4 in FY2022, #4 in FY2023 and #8 in FY2025; down 5 since FY2023.
10	L2 Defense Inc. 2 awardees Top agencies Army (Department of the Army)	$9,788,828	1.7%	Rank history: #13 in FY2021, #18 in FY2022, #13 in FY2023 and #16 in FY2025; up 3 since FY2023.
11	American Council On the Teaching of Foreign Languages, Inc. 2 awardees, including Actfl Professional Services, Llc. Top agencies Army (Department of the Army)	$8,942,855	1.5%	Rank history: #29 in FY2021, #61 in FY2022, #15 in FY2023 and #11 in FY2025; up 4 since FY2023.
12	Nonpublic Educational Services, Inc. Top agencies ED (Department of Education)	$8,267,735	1.4%	Rank history: #27 in FY2021, #12 in FY2022, #22 in FY2023 and #15 in FY2025; up 10 since FY2023.
13	Coretech Global LLC Top agencies VA (Department of Veterans Affairs)	$7,787,325	1.3%	Rank history: not on the FY2021–FY2022 lists, #29 in FY2023 and #28 in FY2025; up 16 since FY2023.
14	II Corps Consultants, Inc. 2 awardees Top agencies Navy (Department of the Navy)	$6,983,203	1.2%	Rank history: #39 in FY2021, #30 in FY2022, #24 in FY2023 and #76 in FY2025; up 10 since FY2023.
15	Pearson PLC Through NCS Pearson Inc. Top agencies DOI (Department of the Interior) DODEA (Department of Defense Education Activity)	$6,631,736	1.1%	Rank history: not on the FY2021–FY2022 lists, #16 in FY2023 and #14 in FY2025; up 1 since FY2023.
16	Huntington Ingalls Industries, Inc. 2 awardees, including HII Mission Technologies Corp Top agencies DSCA (Defense Security Cooperation Agency) OSD (Office of the Secretary of Defense)	$6,351,283	1.1%	Rank history: #44 in FY2021, #21 in FY2022, #12 in FY2023 and #22 in FY2025; down 4 since FY2023.
17	Saalex Corp Through Network & Simulation Technologies Inc. Top agencies Navy (Department of the Navy)	$5,975,087	1.0%	Rank history: not on the FY2021–FY2023 lists and #9 in FY2025; new.
18	Board of Governers State University System of Florida 2 awardees, including Florida State University Top agencies ED (Department of Education)	$5,963,714	1.0%	Rank history: #25 in FY2021, #23 in FY2022, #14 in FY2023 and not on the FY2025 list; down 4 since FY2023.
19	Research Triangle Institute Top agencies USAID (US Agency for International Development)	$5,922,319	1.0%	Rank history: #33 in FY2021, #27 in FY2022, #20 in FY2023 and not on the FY2025 list; up 1 since FY2023.
20	American Institutes for Research In the Behavioral Sciences Top agencies ED (Department of Education)	$5,800,000	1.0%	Rank history: #7 in FY2021, #22 in FY2022, #19 in FY2023 and #38 in FY2025; down 1 since FY2023.
21	Wested Top agencies ED (Department of Education) DOI (Department of the Interior)	$5,729,147	1.0%	Rank history: #20 in FY2021, #14 in FY2022, #17 in FY2023 and #29 in FY2025; down 4 since FY2023.
22	Flatter, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$5,408,192	0.9%	Rank history: #8 in FY2021, #9 in FY2022, #8 in FY2023 and not on the FY2025 list; down 14 since FY2023.
23	Serco Inc Top agencies GAO (Government Accountability Office) Army (Department of the Army)	$5,363,897	0.9%	Rank history: not on the FY2021–FY2022 lists, #99 in FY2023 and #30 in FY2025; up 76 since FY2023.
24	Booz Allen Hamilton Holding Corporation Through Booz Allen Hamilton Inc. Top agencies USAF (Department of the Air Force)	$5,062,298	0.9%	Rank history: #22 in FY2021, #26 in FY2022, #27 in FY2023 and #31 in FY2025; up 3 since FY2023.
25	MPF Federal, LLC Top agencies OSD (Office of the Secretary of Defense)	$5,002,377	0.8%	Rank history: not on the FY2021–FY2023 lists and #70 in FY2025; new.
26	Chemonics International, Inc. Top agencies USAID (US Agency for International Development)	$4,943,806	0.8%	Rank history: not on the FY2021–FY2022 lists, #7 in FY2023 and not on the FY2025 list; down 19 since FY2023.
27	Mathematica Inc Top agencies ED (Department of Education)	$4,785,540	0.8%	Rank history: #30 in FY2021, #28 in FY2022, #25 in FY2023 and not on the FY2025 list; down 2 since FY2023.
28	Mcrel International Top agencies ED (Department of Education)	$4,702,259	0.8%	Rank history: #34 in FY2021, #29 in FY2022, #26 in FY2023 and not on the FY2025 list; down 2 since FY2023.
29	D7, LLC Top agencies Army (Department of the Army)	$4,531,502	0.8%	Rank history: not on the FY2021–FY2023 lists and #26 in FY2025; new.
30	American Council On Education Top agencies DHRA (Defense Human Resources Activity) OSD (Office of the Secretary of Defense) DHS (Department of Homeland Security)	$4,382,361	0.7%	Rank history: #28 in FY2021, #31 in FY2022, #32 in FY2023 and #19 in FY2025; up 2 since FY2023.
31	Metro Accounting & Professional Services, LLC Top agencies USAF (Department of the Air Force)	$4,115,420	0.7%	Rank history: not on the FY2021 list, #33 in FY2022, not on the FY2023 list and #17 in FY2025; returned.
32	Brackish Consulting LLC Top agencies Navy (Department of the Navy)	$3,669,759	0.6%	Rank history: not on the FY2021–FY2023 lists and #20 in FY2025; new.
33	Lifeskills Connection Inc Top agencies USDA (Department of Agriculture)	$3,643,455	0.6%	Rank history: not on the FY2021–FY2023 lists and #49 in FY2025; new.
34	Jackson Pierce Public Affairs Inc Top agencies USDA (Department of Agriculture)	$3,502,078	0.6%	Rank history: not on the FY2021–FY2023 lists and #23 in FY2025; new.
35	University of Nebraska Through Board of Regents of the University of Nebraska Top agencies USAF (Department of the Air Force)	$3,115,233	0.5%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
36	Education Development Center, Inc. Top agencies ED (Department of Education)	$3,029,800	0.5%	Rank history: #5 in FY2021, #10 in FY2022, #21 in FY2023 and not on the FY2025 list; down 15 since FY2023.
37	Chenega Analytic Business Solutions, LLC Top agencies Army (Department of the Army) DHS (Department of Homeland Security)	$2,877,766	0.5%	Rank history: not on the FY2021–FY2023 lists and #48 in FY2025; new.
38	GBX Consultants, Inc. Top agencies USDA (Department of Agriculture)	$2,820,426	0.5%	Rank history: not on the FY2021–FY2022 lists, #63 in FY2023 and not on the FY2025 list; up 25 since FY2023.
39	Kratos Technology & Training Solutions, Inc. Top agencies USAF (Department of the Air Force)	$2,818,183	0.5%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
40	Actualized Business Solutions Inc Top agencies USAF (Department of the Air Force)	$2,727,279	0.5%	Rank history: #60 in FY2021, #37 in FY2022, #70 in FY2023 and #25 in FY2025; up 30 since FY2023.
41	Personnel Decisions Research Institutes, LLC Top agencies DHS (Department of Homeland Security) Treasury (Department of the Treasury) CFPB (Consumer Financial Protection Bureau)	$2,631,331	0.4%	Rank history: not on the FY2021–FY2023 lists and #37 in FY2025; new.
42	Aztec Software LLC Top agencies DOJ (Department of Justice)	$2,611,014	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
43	Arrow Security & Training LLC Top agencies Army (Department of the Army)	$2,491,899	0.4%	Rank history: not on the FY2021–FY2022 lists, #66 in FY2023 and #60 in FY2025; up 23 since FY2023.
44	JLC Solutions LLC Top agencies HHS (Department of Health and Human Services) Treasury (Department of the Treasury)	$2,487,112	0.4%	Rank history: not on the FY2021 list, #54 in FY2022, #41 in FY2023 and #56 in FY2025; down 3 since FY2023.
45	Wolf Lake Services, LLC Top agencies USAID (US Agency for International Development)	$2,453,233	0.4%	Rank history: not on the FY2021–FY2022 lists, #59 in FY2023 and not on the FY2025 list; up 14 since FY2023.
46	Goldbelt Incorporated Through Nisga'a Tek, LLC Top agencies Army (Department of the Army)	$2,429,478	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
47	Afognak Native Corporation Through Alutiiq Solutions, LLC Top agencies Navy (Department of the Navy)	$2,400,572	0.4%	Rank history: not on the FY2021–FY2023 lists and #35 in FY2025; new.
48	Nisga'a Tek, LLC Top agencies Army (Department of the Army)	$2,357,190	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
49	Mackin Book Company Top agencies DODEA (Department of Defense Education Activity)	$2,312,601	0.4%	Rank history: not on the FY2021 list, #34 in FY2022, #47 in FY2023 and #41 in FY2025; down 2 since FY2023.
50	Applied Training Solutions, LLC Top agencies Army (Department of the Army)	$2,207,322	0.4%	Rank history: #97 in FY2021, #50 in FY2022, #46 in FY2023 and #27 in FY2025; down 4 since FY2023.
51	Sustainment & Restoration Services, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$2,116,893	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
52	Emotional Intelligence Institute, Inc. Top agencies USAF (Department of the Air Force)	$2,088,070	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 388 since FY2023.
53	Softek Services Inc Top agencies DHS (Department of Homeland Security) DOI (Department of the Interior)	$2,085,325	0.4%	Rank history: not on the FY2021–FY2022 lists, #56 in FY2023 and #58 in FY2025; up 3 since FY2023.
54	Cognia Inc. Top agencies DOI (Department of the Interior) DODEA (Department of Defense Education Activity)	$2,027,556	0.3%	Rank history: #80 in FY2021, not on the FY2022–FY2023 lists and #66 in FY2025; returned.
55	The Dcode Group Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$2,012,122	0.3%	Rank history: not on the FY2021 list, #94 in FY2022, #34 in FY2023 and #64 in FY2025; down 21 since FY2023.
56	Digital Promise Global Top agencies NSF (National Science Foundation) ED (Department of Education)	$1,986,296	0.3%	Rank history: not on the FY2021 list, #43 in FY2022, #69 in FY2023 and not on the FY2025 list; up 13 since FY2023.
57	Second Avenue Software, Inc. Top agencies Commerce (Department of Commerce)	$1,967,560	0.3%	Rank history: #64 in FY2021, #69 in FY2022, #61 in FY2023 and not on the FY2025 list; up 4 since FY2023.
58	Advanced Technology Logistics Inc. Top agencies Army (Department of the Army)	$1,928,014	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
59	Ethos Systems, Inc. Top agencies USAF (Department of the Air Force)	$1,822,600	0.3%	Rank history: not on the FY2021–FY2022 lists, #83 in FY2023 and #39 in FY2025; up 24 since FY2023.
60	EAB Global Inc. Top agencies Army (Department of the Army)	$1,747,420	0.3%	Rank history: not on the FY2021–FY2022 lists, #57 in FY2023 and not on the FY2025 list; down 3 since FY2023.
61	Catapult Learning Patriot LLC Top agencies DODEA (Department of Defense Education Activity)	$1,707,096	0.3%	Rank history: not on the FY2021–FY2023 lists and #57 in FY2025; new.
62	Teaching Strategies LLC Top agencies DODEA (Department of Defense Education Activity) DOI (Department of the Interior)	$1,669,305	0.3%	Rank history: not on the FY2021–FY2022 lists, #90 in FY2023 and #32 in FY2025; up 28 since FY2023.
63	Threat Management Group, L.L.C. Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force)	$1,667,317	0.3%	Rank history: not on the FY2021 list, #90 in FY2022, not on the FY2023 list and #51 in FY2025; returned.
64	College Entrance Examination Board 2 awardees Top agencies DHRA (Defense Human Resources Activity) USAF (Department of the Air Force) ED (Department of Education)	$1,648,546	0.3%	Rank history: #43 in FY2021, #60 in FY2022, #48 in FY2023 and #21 in FY2025; down 16 since FY2023.
65	National Center for Families Learning Inc. Top agencies DOI (Department of the Interior)	$1,638,409	0.3%	Rank history: #53 in FY2021, #62 in FY2022, #67 in FY2023 and #85 in FY2025; up 2 since FY2023.
66	Vs4S LLC Top agencies HHS (Department of Health and Human Services)	$1,632,809	0.3%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2023 and not on the FY2025 list; up 7 since FY2023.
67	Program Management and Technology Services, Inc. Top agencies USAF (Department of the Air Force)	$1,612,515	0.3%	Rank history: #81 in FY2021, #76 in FY2022, #65 in FY2023 and #50 in FY2025; down 2 since FY2023.
68	Ibex It Business Experts LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$1,554,087	0.3%	Rank history: #45 in FY2021, #49 in FY2022, #42 in FY2023 and #54 in FY2025; down 26 since FY2023.
69	Ged Testing Service LLC Top agencies DOJ (Department of Justice)	$1,439,682	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
70	NCS Pearson, Inc. Top agencies DCSA (Defense Counterintelligence and Security Agency) OSD (Office of the Secretary of Defense) GSA (General Services Administration)	$1,430,121	0.2%	Rank history: not on the FY2021–FY2023 lists and #84 in FY2025; new.
71	ABK Ventures Inc. Top agencies VA (Department of Veterans Affairs)	$1,413,668	0.2%	Rank history: not on the FY2021 list, #82 in FY2022, #84 in FY2023 and #52 in FY2025; up 13 since FY2023.
72	A P Ventures, LLC Top agencies USAF (Department of the Air Force)	$1,411,631	0.2%	Rank history: #47 in FY2021, #64 in FY2022, #71 in FY2023 and #63 in FY2025; down 1 since FY2023.
73	Stemised Inc. Top agencies Commerce (Department of Commerce)	$1,375,818	0.2%	Rank history: not on the FY2021–FY2022 lists, #77 in FY2023 and not on the FY2025 list; up 4 since FY2023.
74	Solutions for Information Design, Inc. Top agencies Army (Department of the Army)	$1,335,548	0.2%	Rank history: not on the FY2021–FY2022 lists, #68 in FY2023 and #53 in FY2025; down 6 since FY2023.
75	Parents AS Teachers National Center, Inc. Top agencies DOI (Department of the Interior)	$1,303,277	0.2%	Rank history: #62 in FY2021, #71 in FY2022, #75 in FY2023 and #95 in FY2025; unchanged since FY2023.
76	University of West Florida Top agencies DHS (Department of Homeland Security)	$1,286,000	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
77	American Heart Association, Inc. Top agencies VA (Department of Veterans Affairs)	$1,279,692	0.2%	Rank history: #58 in FY2021, #70 in FY2022, #74 in FY2023 and #91 in FY2025; down 3 since FY2023.
78	The Learning Center for the Deaf, Inc. Top agencies DOI (Department of the Interior)	$1,254,852	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
79	Gapingvoid Culture Design Group LLC Top agencies USAF (Department of the Air Force)	$1,237,614	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
80	Urban Alliance Foundation Inc. Top agencies Commerce (Department of Commerce)	$1,229,320	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 37 since FY2023.
81	Youth Empowers Service LLC Top agencies Army (Department of the Army)	$1,223,906	0.2%	Rank history: not on the FY2021 list, #72 in FY2022, #91 in FY2023 and #61 in FY2025; up 10 since FY2023.
82	Echelon Services, LLC Top agencies HHS (Department of Health and Human Services)	$1,211,124	0.2%	Rank history: not on the FY2021 list, #73 in FY2022, #79 in FY2023 and #71 in FY2025; down 3 since FY2023.
83	Creative Associates International, Inc. Top agencies DOS (Department of State)	$1,199,999	0.2%	Rank history: #19 in FY2021, not on the FY2022–FY2023 lists and not on the FY2025 list; returned.
84	Cherokee Nation Defense Solutions LLC Top agencies Army (Department of the Army)	$1,193,132	0.2%	Rank history: not on the FY2021–FY2023 lists and #67 in FY2025; new.
85	The Pennsylvania State University Top agencies DODEA (Department of Defense Education Activity)	$1,134,838	0.2%	Rank history: not on the FY2021–FY2023 lists and #68 in FY2025; up 64 since FY2023.
86	Techglobal Inc Top agencies Commerce (Department of Commerce)	$1,091,064	0.2%	Rank history: #61 in FY2021, #38 in FY2022, #44 in FY2023 and #36 in FY2025; down 42 since FY2023.
87	Infinisource Consulting Solutions Inc. Top agencies USAF (Department of the Air Force)	$1,035,917	0.2%	Rank history: not on the FY2021–FY2022 lists, #85 in FY2023 and not on the FY2025 list; down 2 since FY2023.
88	Standards Work Inc. Top agencies ED (Department of Education)	$1,007,746	0.2%	Rank history: #70 in FY2021, #65 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
89	Aptima Inc. Top agencies USAF (Department of the Air Force)	$999,992	0.2%	Rank history: not on the FY2021–FY2023 lists and #46 in FY2025; new.
90	Web Business Solutions Inc. Top agencies Navy (Department of the Navy)	$962,605	0.2%	Rank history: not on the FY2021–FY2022 lists, #58 in FY2023 and #62 in FY2025; down 32 since FY2023.
91	Data Recognition Corporation Top agencies DOL (Department of Labor) Army (Department of the Army)	$960,162	0.2%	Rank history: not on the FY2021–FY2023 lists and #94 in FY2025; up 27 since FY2023.
92	ITI Solutions Inc. Top agencies USAF (Department of the Air Force)	$936,499	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
93	HII Mission Technologies Corp Top agencies DSCA (Defense Security Cooperation Agency)	$932,016	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
94	Asrc Federal Cyber, LLC Top agencies Navy (Department of the Navy)	$916,245	0.2%	Rank history: #89 in FY2021, not on the FY2022–FY2023 lists and not on the FY2025 list; returned.
95	Supply Chain Vistas Inc. Top agencies VA (Department of Veterans Affairs)	$912,663	0.2%	Rank history: #72 in FY2021, #78 in FY2022, #82 in FY2023 and not on the FY2025 list; down 13 since FY2023.
96	The National Registry of Emergency Medical Technicians Inc. Top agencies Army (Department of the Army) DHA (Defense Health Agency) USSOCOM (United States Special Operations Command)	$905,737	0.2%	Rank history: #86 in FY2021, #79 in FY2022, not on the FY2023 list and #81 in FY2025; up 26 since FY2023.
97	Alta Language Services Inc. Top agencies Army (Department of the Army)	$883,260	0.1%	Rank history: #92 in FY2021, #89 in FY2022, #100 in FY2023 and #80 in FY2025; up 3 since FY2023.
98	World Institute of Leadership and Learning, Ltd Top agencies HHS (Department of Health and Human Services) CFPB (Consumer Financial Protection Bureau)	$877,167	0.1%	Rank history: #78 in FY2021, not on the FY2022 list, #72 in FY2023 and not on the FY2025 list; down 26 since FY2023.
99	Discovery Education, Inc. Top agencies DOJ (Department of Justice) Peace Corps	$852,000	0.1%	Rank history: not on the FY2021–FY2023 lists and #78 in FY2025; new.
100	Yayasan Pendidikan Internasional Indonesia Top agencies USAID (US Agency for International Development)	$850,000	0.1%	Rank history: #48 in FY2021, not on the FY2022–FY2023 lists and not on the FY2025 list; returned.

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100 of 756 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 61171

Code	Net obligations	Largest contractor
611710 Educational Support Services	$559,852,972	Institute of International Education 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 $593 million obligated before deobligations, so they never pass 100%.
Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
Fiscal year 2024 ran Oct 1, 2023 – Sep 30, 2024. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2023. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2023 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 NAICS 61171 contractors in FY2024?

1. Institute of International Education Inc. ($49.1M), 2. Human Resources Research Organization (Humrro) ($42.1M), 3. Indtai Inc ($33.4M), 4. Guardians of Honor, LLC ($30.9M), 5. Salient Federal-Sgis Inc ($27.2M), 6. Victor 12, Inc. ($21M), 7. GP Strategies Corporation ($18.4M), 8. Cybermedia Technologies LLC ($11M), 9. Global Business Solutions, Llc. ($10.6M), 10. L2 Defense Inc. ($9.79M).

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