Top 100 Contractors in NAICS 624: Social Assistance, FY2024

Name: Top 100 Contractors in NAICS 624: Social Assistance, FY2024
Creator: GovTribe

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

The top 10 won 60% of FY2024 NAICS 624 contract dollars

Contract obligations: $1,214,751,689 Net of deobligations, by contracts coded NAICS 624 or a code under it
Contractors: 491 Parent companies with an obligation
Largest contractor: Leidos Holdings, Inc. $213 million, 15.7% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Leidos Holdings, Inc. Through Leidos, Inc. Top agencies DODEA (Department of Defense Education Activity)	$213,492,833	15.7%	Rank history: #8 in FY2021, #6 in FY2022, #4 in FY2023 and #2 in FY2025; up 3 since FY2023.
2	Magellan Federal Inc. Top agencies DODEA (Department of Defense Education Activity) HHS (Department of Health and Human Services) Navy (Department of the Navy)	$189,249,540	14.0%	Rank history: not on the FY2021–FY2023 lists and #1 in FY2025; new.
3	Mvm, Inc. Top agencies HHS (Department of Health and Human Services)	$130,246,036	9.6%	Rank history: #4 in FY2021, #3 in FY2022, #7 in FY2023 and #13 in FY2025; up 4 since FY2023.
4	General Dynamics Corporation 2 awardees, including General Dynamics Information Technology, Inc. Top agencies HHS (Department of Health and Human Services)	$57,483,808	4.2%	Rank history: #22 in FY2021, #12 in FY2022, #10 in FY2023 and not on the FY2025 list; up 6 since FY2023.
5	Magellan Health, Inc. Through Magellan Federal, Inc. Top agencies DODEA (Department of Defense Education Activity) DHRA (Defense Human Resources Activity) Navy (Department of the Navy)	$52,944,340	3.9%	Rank history: #7 in FY2021, #8 in FY2022, #3 in FY2023 and not on the FY2025 list; down 2 since FY2023.
6	Mks2 LLC Top agencies Army (Department of the Army)	$49,013,402	3.6%	Rank history: not on the FY2021–FY2022 lists, #11 in FY2023 and #11 in FY2025; up 5 since FY2023.
7	Deployed Services, LLC Top agencies HHS (Department of Health and Human Services)	$45,648,894	3.4%	Rank history: #13 in FY2021, #7 in FY2022, #6 in FY2023 and not on the FY2025 list; down 1 since FY2023.
8	Home Builders Institute Top agencies DOL (Department of Labor)	$29,282,750	2.2%	Rank history: #26 in FY2021, #13 in FY2022, #8 in FY2023 and #12 in FY2025; unchanged since FY2023.
9	Dependable Health Services Inc Top agencies DHS (Department of Homeland Security)	$26,066,221	1.9%	Rank history: #35 in FY2021, #18 in FY2022, #27 in FY2023 and #18 in FY2025; up 18 since FY2023.
10	Coastal Clinical & Management Services Inc Top agencies DHS (Department of Homeland Security)	$22,147,642	1.6%	Rank history: not on the FY2021–FY2022 lists, #37 in FY2023 and #10 in FY2025; up 27 since FY2023.
11	UBC National Job Corps Training Fund Inc. Top agencies DOL (Department of Labor)	$21,469,054	1.6%	Rank history: #33 in FY2021, #19 in FY2022, #9 in FY2023 and #17 in FY2025; down 2 since FY2023.
12	Iva'al Solutions LLC Top agencies USAF (Department of the Air Force)	$17,444,957	1.3%	Rank history: #28 in FY2021, #14 in FY2022, #14 in FY2023 and #9 in FY2025; up 2 since FY2023.
13	Lifecare, Inc. Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services) DFC (International Development Finance Corporation)	$13,585,349	1.0%	Rank history: not on the FY2021–FY2022 lists, #74 in FY2023 and #6 in FY2025; up 61 since FY2023.
14	Volunteers of America of LOS Angeles Top agencies VA (Department of Veterans Affairs)	$13,176,520	1.0%	Rank history: not on the FY2021–FY2023 lists and #16 in FY2025; new.
15	Rape, Abuse and Incest National Network Rainn Top agencies DHRA (Defense Human Resources Activity) USAID (US Agency for International Development) Commerce (Department of Commerce)	$12,443,996	0.9%	Rank history: #57 in FY2021, #28 in FY2022, #20 in FY2023 and #14 in FY2025; up 5 since FY2023.
16	The Young Center for Immigrant Childrens Rights Top agencies HHS (Department of Health and Human Services)	$11,812,210	0.9%	Rank history: #45 in FY2021, #39 in FY2022, #19 in FY2023 and #15 in FY2025; up 3 since FY2023.
17	International Union of Operating Engineers National Training Fund Top agencies DOL (Department of Labor)	$10,486,531	0.8%	Rank history: #48 in FY2021, #33 in FY2022, #12 in FY2023 and #33 in FY2025; down 5 since FY2023.
18	EAP Consultants, LLC Top agencies DHS (Department of Homeland Security) Commerce (Department of Commerce) CNCS (Corporation for National and Community Service)	$10,408,303	0.8%	Rank history: #56 in FY2021, #29 in FY2022, #22 in FY2023 and #31 in FY2025; up 4 since FY2023.
19	Cherokee Nation Federal Consulting, L.L.C. Top agencies Treasury (Department of the Treasury)	$9,769,991	0.7%	Rank history: not on the FY2021–FY2023 lists and #20 in FY2025; new.
20	Madison Avenue Support Services, Inc. Top agencies VA (Department of Veterans Affairs)	$9,231,150	0.7%	Rank history: not on the FY2021 list, #70 in FY2022, #25 in FY2023 and #24 in FY2025; up 5 since FY2023.
21	Iupat Finishing Trades Institute Top agencies DOL (Department of Labor)	$9,047,266	0.7%	Rank history: not on the FY2021–FY2022 lists, #23 in FY2023 and #37 in FY2025; up 2 since FY2023.
22	The Consolidated Rehab Group, Inc. Top agencies VA (Department of Veterans Affairs)	$8,819,791	0.7%	Rank history: #46 in FY2021, #30 in FY2022, #24 in FY2023 and #36 in FY2025; up 2 since FY2023.
23	National Plastering Industrys Joint Apprenticeship Trust Fund Top agencies DOL (Department of Labor)	$8,771,286	0.6%	Rank history: #37 in FY2021, #35 in FY2022, #15 in FY2023 and #40 in FY2025; down 8 since FY2023.
24	Transportation Communications Union / IAM Top agencies DOL (Department of Labor)	$7,905,295	0.6%	Rank history: #54 in FY2021, #37 in FY2022, #16 in FY2023 and #42 in FY2025; down 8 since FY2023.
25	Chenega Government Mission Solutions, LLC Top agencies Army (Department of the Army)	$7,484,168	0.6%	Rank history: not on the FY2021–FY2023 lists and #22 in FY2025; new.
26	International Masonry Institute Top agencies DOL (Department of Labor)	$7,263,351	0.5%	Rank history: #55 in FY2021, #38 in FY2022, #18 in FY2023 and #47 in FY2025; down 8 since FY2023.
27	Family Endeavors, Inc. Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services)	$7,229,834	0.5%	Rank history: #3 in FY2021, #2 in FY2022, #2 in FY2023 and #7 in FY2025; down 25 since FY2023.
28	Uaw- Labor Employment and Training Corporation Top agencies DOL (Department of Labor)	$7,068,618	0.5%	Rank history: #58 in FY2021, #50 in FY2022, #17 in FY2023 and #45 in FY2025; down 11 since FY2023.
29	Patriot First Professional Services Inc. Top agencies VA (Department of Veterans Affairs)	$6,217,658	0.5%	Rank history: #52 in FY2021, #42 in FY2022, #32 in FY2023 and #26 in FY2025; up 3 since FY2023.
30	LC Industries Inc. Top agencies DHS (Department of Homeland Security)	$5,445,749	0.4%	Rank history: not on the FY2021 list, #55 in FY2022, #47 in FY2023 and #19 in FY2025; up 17 since FY2023.
31	STG International, Inc. Top agencies VA (Department of Veterans Affairs)	$5,252,681	0.4%	Rank history: not on the FY2021–FY2022 lists, #46 in FY2023 and #64 in FY2025; up 15 since FY2023.
32	Government Solutions Group, LLC Top agencies USAF (Department of the Air Force)	$5,190,935	0.4%	Rank history: not on the FY2021–FY2023 lists and #29 in FY2025; new.
33	Postpartum Support International Top agencies HHS (Department of Health and Human Services)	$5,037,683	0.4%	Rank history: #76 in FY2021, #49 in FY2022, #40 in FY2023 and #32 in FY2025; up 7 since FY2023.
34	Ciconix, LLC Top agencies USAF (Department of the Air Force)	$5,013,110	0.4%	Rank history: #64 in FY2021, #41 in FY2022, #35 in FY2023 and #30 in FY2025; up 1 since FY2023.
35	Lifemoves Top agencies VA (Department of Veterans Affairs)	$4,795,981	0.4%	Rank history: not on the FY2021–FY2022 lists, #65 in FY2023 and #41 in FY2025; up 30 since FY2023.
36	T.a. Consulting, Inc. Top agencies Navy (Department of the Navy)	$4,708,137	0.3%	Rank history: #51 in FY2021, #40 in FY2022, #31 in FY2023 and #34 in FY2025; down 5 since FY2023.
37	KSA Integration LLC Top agencies Navy (Department of the Navy) VA (Department of Veterans Affairs)	$4,564,199	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
38	Us21 Inc. Top agencies USAID (US Agency for International Development)	$4,500,000	0.3%	Rank history: not on the FY2021–FY2023 lists and #28 in FY2025; new.
39	Lopez Carlos L Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$4,398,878	0.3%	Rank history: #29 in FY2021, #21 in FY2022, #28 in FY2023 and #21 in FY2025; down 11 since FY2023.
40	The Salvation Army 7 awardees Top agencies VA (Department of Veterans Affairs)	$4,310,697	0.3%	Rank history: #71 in FY2021, #54 in FY2022, #41 in FY2023 and not on the FY2025 list; up 1 since FY2023.
41	Dynamic Systems Technology Inc. 2 awardees Top agencies Army (Department of the Army)	$4,194,989	0.3%	Rank history: #42 in FY2021, #27 in FY2022, not on the FY2023 list and not on the FY2025 list; up 189 since FY2023.
42	Millburn Harbor Inc. Top agencies VA (Department of Veterans Affairs)	$4,024,224	0.3%	Rank history: not on the FY2021–FY2022 lists, #51 in FY2023 and #43 in FY2025; up 9 since FY2023.
43	Step Up On Second Street, Inc. Top agencies VA (Department of Veterans Affairs)	$3,811,149	0.3%	Rank history: #82 in FY2021, #57 in FY2022, #39 in FY2023 and #44 in FY2025; down 4 since FY2023.
44	CRI Federal Services Top agencies VA (Department of Veterans Affairs)	$3,730,658	0.3%	Rank history: #100 in FY2021, #47 in FY2022, #43 in FY2023 and #39 in FY2025; down 1 since FY2023.
45	WJM Professional Services LLC Top agencies USAF (Department of the Air Force)	$3,422,780	0.3%	Rank history: #65 in FY2021, #46 in FY2022, #38 in FY2023 and #35 in FY2025; down 7 since FY2023.
46	Damascus House Community Development Corp Top agencies CSOSA (Court Services and Offender Supervision Agency)	$3,389,069	0.3%	Rank history: not on the FY2021–FY2022 lists, #45 in FY2023 and #53 in FY2025; down 1 since FY2023.
47	Fresh Start Foundation Top agencies VA (Department of Veterans Affairs)	$3,384,180	0.2%	Rank history: #84 in FY2021, #58 in FY2022, #68 in FY2023 and #67 in FY2025; up 21 since FY2023.
48	Global Systems Engineering LLC Top agencies DOJ (Department of Justice)	$3,301,788	0.2%	Rank history: not on the FY2021–FY2023 lists and #25 in FY2025; new.
49	Swords To Plowshares Veterans Rights Organization Top agencies VA (Department of Veterans Affairs)	$2,894,059	0.2%	Rank history: #70 in FY2021, #56 in FY2022, #66 in FY2023 and #48 in FY2025; up 17 since FY2023.
50	Veterans On the Rise Top agencies VA (Department of Veterans Affairs)	$2,684,794	0.2%	Rank history: #95 in FY2021, #60 in FY2022, #82 in FY2023 and #38 in FY2025; up 32 since FY2023.
51	Skies the Limit Academy LLC Top agencies Army (Department of the Army) VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$2,477,429	0.2%	Rank history: #92 in FY2021, #65 in FY2022, not on the FY2023 list and #50 in FY2025; up 72 since FY2023.
52	Technical Assistance Collaborative, Inc. Top agencies VA (Department of Veterans Affairs)	$2,447,598	0.2%	Rank history: not on the FY2021–FY2022 lists, #49 in FY2023 and #54 in FY2025; down 3 since FY2023.
53	Interactive Government Holdings, Inc. Top agencies Army (Department of the Army)	$2,379,659	0.2%	Rank history: #81 in FY2021, #71 in FY2022, #53 in FY2023 and not on the FY2025 list; unchanged since FY2023.
54	Technical Assistance Partnership of Arizona Top agencies VA (Department of Veterans Affairs)	$2,299,973	0.2%	Rank history: #80 in FY2021, #59 in FY2022, #54 in FY2023 and #66 in FY2025; unchanged since FY2023.
55	Durham Exchange Club Industries, Inc. Top agencies VA (Department of Veterans Affairs)	$2,202,687	0.2%	Rank history: #87 in FY2021, #63 in FY2022, #57 in FY2023 and #58 in FY2025; up 2 since FY2023.
56	Abode Services Top agencies VA (Department of Veterans Affairs)	$2,197,665	0.2%	Rank history: not on the FY2021–FY2023 lists and #59 in FY2025; new.
57	Path Top agencies VA (Department of Veterans Affairs)	$2,179,841	0.2%	Rank history: #50 in FY2021, #34 in FY2022, #21 in FY2023 and not on the FY2025 list; down 36 since FY2023.
58	Rapid Deployment Inc. Top agencies HHS (Department of Health and Human Services)	$2,178,274	0.2%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2023 and #8 in FY2025; down 57 since FY2023.
59	Autumn Corporation Top agencies VA (Department of Veterans Affairs)	$2,090,000	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
60	Crosby Government Solutions, LLC Top agencies USDA (Department of Agriculture)	$1,995,781	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
61	Reltex Relief Supplies, Inc. Top agencies USAID (US Agency for International Development)	$1,950,000	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
62	Chenega Pro Federal Solutions, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$1,898,048	0.1%	Rank history: not on the FY2021–FY2023 lists and #68 in FY2025; up 97 since FY2023.
63	Rose Villa Inc. Top agencies VA (Department of Veterans Affairs)	$1,759,827	0.1%	Rank history: not on the FY2021 list, #89 in FY2022, #64 in FY2023 and not on the FY2025 list; up 1 since FY2023.
64	Crosspoint Inc Top agencies VA (Department of Veterans Affairs)	$1,745,399	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
65	Nancy K. Bohl, Inc. Top agencies DOJ (Department of Justice)	$1,633,409	0.1%	Rank history: not on the FY2021–FY2023 lists and #57 in FY2025; new.
66	Columbiacare Services, Inc. Top agencies VA (Department of Veterans Affairs)	$1,601,957	0.1%	Rank history: #83 in FY2021, #51 in FY2022, #63 in FY2023 and #63 in FY2025; down 3 since FY2023.
67	United Veterans Beacon House Inc. Top agencies VA (Department of Veterans Affairs)	$1,595,106	0.1%	Rank history: not on the FY2021 list, #72 in FY2022, #48 in FY2023 and #65 in FY2025; down 19 since FY2023.
68	Servicesource Inc. Top agencies DOT (Department of Transportation)	$1,504,999	0.1%	Rank history: #88 in FY2021, #66 in FY2022, #56 in FY2023 and not on the FY2025 list; down 12 since FY2023.
69	Fresh Start Now Inc. Top agencies VA (Department of Veterans Affairs)	$1,495,998	0.1%	Rank history: not on the FY2021 list, #64 in FY2022, not on the FY2023 list and #55 in FY2025; returned.
70	The National Center for Missing and Exploited Children Top agencies DOJ (Department of Justice) DHS (Department of Homeland Security)	$1,424,228	0.1%	Rank history: not on the FY2021 list, #83 in FY2022, #73 in FY2023 and not on the FY2025 list; up 3 since FY2023.
71	Eagle Star Housing, Inc. Top agencies VA (Department of Veterans Affairs)	$1,401,528	0.1%	Rank history: #94 in FY2021, #74 in FY2022, #78 in FY2023 and #76 in FY2025; up 7 since FY2023.
72	Association of University Centers On Disabilities Top agencies HHS (Department of Health and Human Services)	$1,398,231	0.1%	Rank history: not on the FY2021 list, #94 in FY2022, #70 in FY2023 and #74 in FY2025; down 2 since FY2023.
73	Vietnam Veterans Workshop Inc. Top agencies VA (Department of Veterans Affairs)	$1,365,702	0.1%	Rank history: not on the FY2021–FY2022 lists, #98 in FY2023 and #72 in FY2025; up 25 since FY2023.
74	Compassion Residio Services Inc Top agencies VA (Department of Veterans Affairs)	$1,364,829	0.1%	Rank history: not on the FY2021–FY2023 lists and #88 in FY2025; up 60 since FY2023.
75	Welcome Home, Inc. Top agencies VA (Department of Veterans Affairs)	$1,325,235	0.1%	Rank history: not on the FY2021–FY2023 lists and #70 in FY2025; up 102 since FY2023.
76	A Safe Haven L.L.C. Top agencies VA (Department of Veterans Affairs)	$1,313,794	0.1%	Rank history: #98 in FY2021, #62 in FY2022, #67 in FY2023 and #71 in FY2025; down 9 since FY2023.
77	APL Ceva Government Logistics Top agencies USAID (US Agency for International Development)	$1,270,390	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
78	VAL Verde County Hospital District Top agencies VA (Department of Veterans Affairs)	$1,256,649	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
79	Friends Place Southwest LLC Top agencies VA (Department of Veterans Affairs)	$1,255,883	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
80	Volunteers of America of Indiana, Inc. Top agencies VA (Department of Veterans Affairs)	$1,186,250	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
81	Goodwill Industries of Northern Michigan, Inc. Top agencies VA (Department of Veterans Affairs)	$1,149,948	0.1%	Rank history: not on the FY2021–FY2023 lists and #84 in FY2025; up 153 since FY2023.
82	Arctic Slope Regional Corporation Through Broadleaf, Inc. Top agencies Army (Department of the Army)	$1,144,003	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
83	Community Support Services Inc. Top agencies VA (Department of Veterans Affairs)	$1,102,072	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
84	New Horizons Rehabilitation Services, Inc. Top agencies USAF (Department of the Air Force)	$1,068,289	0.1%	Rank history: not on the FY2021 list, #93 in FY2022, #86 in FY2023 and #81 in FY2025; up 2 since FY2023.
85	The Jerry Ambrose Veterans Council of Mohave County Inc. Top agencies VA (Department of Veterans Affairs)	$1,047,608	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
86	Haywood Charles Top agencies VA (Department of Veterans Affairs)	$1,040,691	0.1%	Rank history: not on the FY2021–FY2023 lists and #99 in FY2025; up 17 since FY2023.
87	Selikoff Center, Inc. Top agencies VA (Department of Veterans Affairs)	$1,023,507	0.1%	Rank history: not on the FY2021–FY2023 lists and #89 in FY2025; up 31 since FY2023.
88	Austin-Travis County Mental Health and Mental Retardation Center Top agencies VA (Department of Veterans Affairs)	$1,019,069	0.1%	Rank history: not on the FY2021–FY2022 lists, #72 in FY2023 and #79 in FY2025; down 16 since FY2023.
89	Spaark Inc Top agencies Army (Department of the Army)	$1,017,167	0.1%	Rank history: not on the FY2021–FY2023 lists and #93 in FY2025; new.
90	Footprints, Inc. Top agencies VA (Department of Veterans Affairs)	$1,016,053	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
91	The American National Red Cross Top agencies DHA (Defense Health Agency)	$1,000,000	0.1%	Rank history: not on the FY2021–FY2022 lists, #83 in FY2023 and #85 in FY2025; down 8 since FY2023.
92	Launchtech, LLC Top agencies DHA (Defense Health Agency)	$998,524	0.1%	Rank history: not on the FY2021–FY2023 lists and #87 in FY2025; new.
93	Bright Horizons Family Solutions, LLC Top agencies SEC (Securities and Exchange Commission) Commerce (Department of Commerce)	$987,161	0.1%	Rank history: not on the FY2021–FY2023 lists and #75 in FY2025; new.
94	Veterans Affairs Washington State Department Top agencies VA (Department of Veterans Affairs)	$982,164	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
95	Front St., Inc. Top agencies VA (Department of Veterans Affairs)	$974,273	0.1%	Rank history: not on the FY2021–FY2022 lists, #88 in FY2023 and #90 in FY2025; down 7 since FY2023.
96	RCG of North Carolina, LLC Top agencies DHS (Department of Homeland Security)	$937,169	0.1%	Rank history: not on the FY2021–FY2022 lists, #96 in FY2023 and #94 in FY2025; unchanged since FY2023.
97	VR & E Service for Veterans LLC Top agencies VA (Department of Veterans Affairs)	$927,434	0.1%	Rank history: not on the FY2021 list, #86 in FY2022, #71 in FY2023 and #78 in FY2025; down 26 since FY2023.
98	New Beginnings of Tampa, Inc. Top agencies VA (Department of Veterans Affairs)	$923,307	0.1%	Rank history: not on the FY2021 list, #96 in FY2022, #90 in FY2023 and not on the FY2025 list; down 8 since FY2023.
99	Techwerks LLC Top agencies USSOCOM (United States Special Operations Command)	$920,641	0.1%	Rank history: not on the FY2021 list, #82 in FY2022, #94 in FY2023 and #91 in FY2025; down 5 since FY2023.
100	J.e. Federal Enterprises, Llc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) USAF (Department of the Air Force)	$920,010	0.1%	Rank history: not on the FY2021 list, #100 in FY2022, #91 in FY2023 and not on the FY2025 list; down 9 since FY2023.

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100 of 491 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 624

Code	Net obligations	Largest contractor
6241 Individual and Family Services	$650,181,721	Leidos Holdings, Inc.
6242 Community Food and Housing, and Emergency and Other Relief Services	$379,742,273	Mvm, Inc.
6243 Vocational Rehabilitation Services	$170,451,304	Mks2 LLC

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 $1.36 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 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 624 contractors in FY2024?

1. Leidos Holdings, Inc. ($213M), 2. Magellan Federal Inc. ($189M), 3. Mvm, Inc. ($130M), 4. General Dynamics Corporation ($57.5M), 5. Magellan Health, Inc. ($52.9M), 6. Mks2 LLC ($49M), 7. Deployed Services, LLC ($45.6M), 8. Home Builders Institute ($29.3M), 9. Dependable Health Services Inc ($26.1M), 10. Coastal Clinical & Management Services Inc ($22.1M).

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