Top 100 Contractors in NAICS 622: Hospitals, FY2021

Name: Top 100 Contractors in NAICS 622: Hospitals, FY2021
Creator: GovTribe

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

The top 10 won 42% of FY2021 NAICS 622 contract dollars

Contract obligations: $1,536,550,722 Net of deobligations, by contracts coded NAICS 622 or a code under it
Contractors: 336 Parent companies with an obligation
Largest contractor: Naphcare LLC $147 million, 7.8% 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	Naphcare LLC Top agencies DOJ (Department of Justice)	$146,701,063	7.8%	Rank history: #1 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; unchanged since FY2020.
2	Luke & Associates, Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Army (Department of the Army)	$109,164,231	5.8%	Rank history: #2 in FY2022, #4 in FY2023, #10 in FY2024 and #26 in FY2025; up 7 since FY2020.
3	Distinctive Health Spectrum Care JV LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Army (Department of the Army)	$99,820,144	5.3%	Rank history: #3 in FY2022, #2 in FY2023, #11 in FY2024 and not on the FY2025 list; up 3 since FY2020.
4	Seven Corners Inc. Top agencies DOJ (Department of Justice)	$73,641,727	3.9%	Rank history: #7 in FY2022, #7 in FY2023, #3 in FY2024 and #3 in FY2025; down 1 since FY2020.
5	Matrix Providers Inc. Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency) Army (Department of the Army)	$69,129,413	3.7%	Rank history: #6 in FY2022, #11 in FY2023, #13 in FY2024 and #10 in FY2025; down 1 since FY2020.
6	Enterprise Resource Planning International, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$67,174,306	3.6%	Rank history: #5 in FY2022, #3 in FY2023, #2 in FY2024 and #2 in FY2025; down 4 since FY2020.
7	The Arora Group, Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Army (Department of the Army)	$66,564,255	3.6%	Rank history: #4 in FY2022, #8 in FY2023, #12 in FY2024 and #17 in FY2025; up 1 since FY2020.
8	Provizor Federal Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Army (Department of the Army)	$66,332,042	3.5%	Rank history: #10 in FY2022, #19 in FY2023, #51 in FY2024 and not on the FY2025 list; up 11 since FY2020.
9	Magnificus Corporation Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency) Army (Department of the Army)	$48,386,894	2.6%	Rank history: #8 in FY2022, #5 in FY2023, #14 in FY2024 and #6 in FY2025; down 2 since FY2020.
10	Donald L. Mooney Enterprises, LLC Top agencies DHA (Defense Health Agency) Army (Department of the Army) USAF (Department of the Air Force)	$46,669,204	2.5%	Rank history: #9 in FY2022, #6 in FY2023, #6 in FY2024 and #22 in FY2025; up 12 since FY2020.
11	University of Massachusetts Through University of Massachusetts Medical School Top agencies DOJ (Department of Justice)	$41,073,483	2.2%	Rank history: #11 in FY2022, #10 in FY2023, #7 in FY2024 and #8 in FY2025; up 6 since FY2020.
12	Wellpath LLC Top agencies DOJ (Department of Justice)	$39,923,276	2.1%	Rank history: #12 in FY2022, #9 in FY2023, #5 in FY2024 and #4 in FY2025; down 7 since FY2020.
13	Dilligas Corp Top agencies Army (Department of the Army) USAF (Department of the Air Force) DHA (Defense Health Agency)	$31,535,478	1.7%	Rank history: #15 in FY2022, #13 in FY2023, #4 in FY2024 and #7 in FY2025; up 11 since FY2020.
14	Integrated Medical Solutions, LLC Top agencies DOJ (Department of Justice)	$30,931,732	1.7%	Rank history: #16 in FY2022, #17 in FY2023, #15 in FY2024 and #15 in FY2025; down 1 since FY2020.
15	Akahi Ingenesis Partners LLC Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency) Army (Department of the Army)	$27,623,161	1.5%	Rank history: #17 in FY2022, #15 in FY2023, #16 in FY2024 and #11 in FY2025; up 14 since FY2020.
16	Giamed Alliance JV LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Army (Department of the Army)	$27,057,339	1.4%	Rank history: #27 in FY2022, #23 in FY2023, #29 in FY2024 and #29 in FY2025; up 7 since FY2020.
17	Tribal Health, LLC Top agencies HHS (Department of Health and Human Services)	$24,717,063	1.3%	Rank history: #14 in FY2022, #24 in FY2023, #31 in FY2024 and #35 in FY2025; up 1 since FY2020.
18	Federal Staffing Resources, LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Army (Department of the Army)	$24,139,263	1.3%	Rank history: #20 in FY2022, #29 in FY2023, #34 in FY2024 and #61 in FY2025; up 16 since FY2020.
19	The University of North Texas Health Science Center At Fort Worth Top agencies DOJ (Department of Justice)	$24,036,698	1.3%	Rank history: #19 in FY2022, #22 in FY2023, #18 in FY2024 and #13 in FY2025; up 1 since FY2020.
20	Decypher Technologies Ltd Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency) Army (Department of the Army)	$22,825,580	1.2%	Rank history: #18 in FY2022, #20 in FY2023, #8 in FY2024 and #5 in FY2025; down 9 since FY2020.
21	Platinum Business Corporation Top agencies USAF (Department of the Air Force) Army (Department of the Army) DHA (Defense Health Agency)	$21,790,257	1.2%	Rank history: #32 in FY2022, #36 in FY2023, #39 in FY2024 and not on the FY2025 list; up 6 since FY2020.
22	CHS Middle East LLC 2 awardees, including Acuity - CHS Middle East, LLC and Acuity-Chs, LLC Top agencies DOS (Department of State) USDA (Department of Agriculture)	$21,496,648	1.1%	Rank history: #13 in FY2022, #12 in FY2023 and not on the FY2024–FY2025 lists; up 4 since FY2020.
23	Readiforce Government Solutions LLC Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency) Army (Department of the Army)	$21,441,040	1.1%	Rank history: #21 in FY2022, #14 in FY2023, #19 in FY2024 and #12 in FY2025; up 9 since FY2020.
24	The Royster Group, Inc. Top agencies DHA (Defense Health Agency) Army (Department of the Army) USAF (Department of the Air Force)	$20,882,381	1.1%	Rank history: #22 in FY2022, #21 in FY2023, #17 in FY2024 and #19 in FY2025; up 19 since FY2020.
25	University of Kentucky 2 awardees Top agencies DOJ (Department of Justice)	$20,696,062	1.1%	Rank history: #26 in FY2022, #25 in FY2023, #24 in FY2024 and #20 in FY2025; up 10 since FY2020.
26	Planned Systems International Inc. Through Quarterline Consulting Services, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army) DHA (Defense Health Agency)	$20,516,496	1.1%	Rank history: #25 in FY2022, #33 in FY2023, #37 in FY2024 and not on the FY2025 list; up 5 since FY2020.
27	AMG Healthcare Services Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$16,913,343	0.9%	Rank history: #24 in FY2022, #18 in FY2023, #25 in FY2024 and #21 in FY2025; up 11 since FY2020.
28	Avera Health 2 awardees, including Avera Mckennan Top agencies HHS (Department of Health and Human Services) DOJ (Department of Justice)	$14,323,512	0.8%	Rank history: #68 in FY2022, #49 in FY2023, #47 in FY2024 and not on the FY2025 list; up 13 since FY2020.
29	Vanderbelt University Medical Center Through Vanderbilt University Medical Center Top agencies HHS (Department of Health and Human Services) DOJ (Department of Justice)	$13,476,838	0.7%	Rank history: #31 in FY2022, #77 in FY2023 and not on the FY2024–FY2025 lists; up 286 since FY2020.
30	Saratoga Medical Center, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) DHA (Defense Health Agency)	$13,470,886	0.7%	Rank history: #28 in FY2022, #27 in FY2023, #21 in FY2024 and #27 in FY2025; down 2 since FY2020.
31	Katmai Health Services LLC Top agencies USAF (Department of the Air Force) Treasury (Department of the Treasury)	$13,187,927	0.7%	Rank history: #62 in FY2022, #35 in FY2023, #30 in FY2024 and #28 in FY2025; up 5 since FY2020.
32	Angel Staffing Incorporated Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Army (Department of the Army)	$12,478,148	0.7%	Rank history: #57 in FY2022 and not on the FY2023–FY2025 lists; down 17 since FY2020.
33	Spectrum Services Group Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$12,476,016	0.7%	Rank history: #29 in FY2022, #16 in FY2023, #9 in FY2024 and #9 in FY2025; up 7 since FY2020.
34	Potomac Healthcare Solutions, LLC Top agencies DHA (Defense Health Agency) Army (Department of the Army) USAF (Department of the Air Force)	$12,413,286	0.7%	Rank history: #38 in FY2022, #32 in FY2023, #23 in FY2024 and #24 in FY2025; down 4 since FY2020.
35	Locum Inc. Top agencies DHA (Defense Health Agency) Army (Department of the Army) USAF (Department of the Air Force)	$10,857,294	0.6%	Rank history: #36 in FY2022, #45 in FY2023, #53 in FY2024 and not on the FY2025 list; up 25 since FY2020.
36	Mayo Clinic 4 awardees, including Mayo Clinic Health System-Southwest Minnesota Region and Mayo Clinic Health System-Southeast Minnesota Region Top agencies DOJ (Department of Justice)	$10,710,236	0.6%	Rank history: #30 in FY2022, #28 in FY2023, #26 in FY2024 and #23 in FY2025; up 1 since FY2020.
37	Distinctive Spectrum Military Healthcare Joint Venture LLC Top agencies Army (Department of the Army)	$9,511,365	0.5%	Rank history: #53 in FY2022 and not on the FY2023–FY2025 lists; up 8 since FY2020.
38	Mercy Hospital Springfield Top agencies DOJ (Department of Justice)	$9,272,095	0.5%	Rank history: #45 in FY2022, #38 in FY2023, #32 in FY2024 and #32 in FY2025; up 8 since FY2020.
39	Goldbelt, Incorporated Through Goldbelt Glacier Health Services, LLC Top agencies DHA (Defense Health Agency)	$9,196,800	0.5%	Rank history: #23 in FY2022, #31 in FY2023, #33 in FY2024 and #25 in FY2025; new, not ranked in FY2020.
40	Global Dynamics LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$9,122,020	0.5%	Rank history: #35 in FY2022, #30 in FY2023, #27 in FY2024 and #45 in FY2025; up 7 since FY2020.
41	Quality Staffing Solutions Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) USSOCOM (United States Special Operations Command)	$7,761,887	0.4%	Rank history: #44 in FY2022, #37 in FY2023, #36 in FY2024 and #33 in FY2025; up 8 since FY2020.
42	American Indian Health & Services Corporation Top agencies HHS (Department of Health and Human Services)	$7,366,508	0.4%	Rank history: #86 in FY2022 and not on the FY2023–FY2025 lists; up 25 since FY2020.
43	Lompoc Valley Community Healthcare Organization, Inc. Top agencies DOJ (Department of Justice)	$4,968,074	0.3%	Rank history: #46 in FY2022, #48 in FY2023, #48 in FY2024 and #39 in FY2025; up 1 since FY2020.
44	Global Consulting International, Incorporated Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$4,757,553	0.3%	Rank history: #56 in FY2022, #58 in FY2023, #78 in FY2024 and not on the FY2025 list; up 28 since FY2020.
45	Inova Health System Foundation Through Inova Health Care Services Top agencies DOS (Department of State) DHA (Defense Health Agency)	$4,684,760	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
46	Eagle Health, LLC Top agencies HHS (Department of Health and Human Services) Army (Department of the Army)	$4,645,472	0.2%	Rank history: #48 in FY2022, #39 in FY2023, #74 in FY2024 and not on the FY2025 list; up 50 since FY2020.
47	Roche Holding AG Through Roche Diagnostics Corporation Top agencies DHA (Defense Health Agency)	$4,634,651	0.2%	Rank history: #41 in FY2022, #44 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
48	Virginia Commonwealth University Through VCU Health System Authority Top agencies VA (Department of Veterans Affairs)	$4,300,070	0.2%	Rank history: #70 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
49	Frontline National LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$4,299,031	0.2%	Rank history: #59 in FY2022, #52 in FY2023, #40 in FY2024 and #42 in FY2025; up 3 since FY2020.
50	Government of the United States Through Bakersfield American Indian Health Project Top agencies HHS (Department of Health and Human Services)	$4,277,704	0.2%	Rank history: #90 in FY2022, #70 in FY2023, #75 in FY2024 and not on the FY2025 list; up 77 since FY2020.
51	Dependable Health Services, Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Army (Department of the Army)	$4,179,716	0.2%	Rank history: #61 in FY2022 and not on the FY2023–FY2025 lists; up 38 since FY2020.
52	University of Massachusetts Medical School Top agencies DOJ (Department of Justice)	$4,138,740	0.2%	Rank history: #91 in FY2022 and not on the FY2023–FY2025 lists; down 40 since FY2020.
53	Concentric Methods, LLC Top agencies USAF (Department of the Air Force)	$4,115,747	0.2%	Rank history: #69 in FY2022, #53 in FY2023, #72 in FY2024 and not on the FY2025 list; up 9 since FY2020.
54	West Virginia United Health System, Inc. 2 awardees, including West Virginia University Hospitals, Inc. and United Hospital Center Inc. Top agencies DOJ (Department of Justice)	$3,892,106	0.2%	Rank history: #72 in FY2022, #85 in FY2023 and not on the FY2024–FY2025 lists; up 48 since FY2020.
55	J Allen and Associates of Texas, LLC Top agencies DOJ (Department of Justice)	$3,887,905	0.2%	Rank history: #64 in FY2022, #41 in FY2023, #28 in FY2024 and #31 in FY2025; up 26 since FY2020.
56	Hoolaulima Government Solutions, LLC Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$3,788,717	0.2%	Rank history: #52 in FY2022, #46 in FY2023, #45 in FY2024 and #48 in FY2025; up 1 since FY2020.
57	Catalyst Professional Services, Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Army (Department of the Army)	$3,760,918	0.2%	Rank history: #55 in FY2022, #54 in FY2023, #46 in FY2024 and #34 in FY2025; up 9 since FY2020.
58	League Medical Concepts, LLC Top agencies DOJ (Department of Justice)	$3,656,809	0.2%	Rank history: #63 in FY2022 and not on the FY2023–FY2025 lists; unchanged since FY2020.
59	American Correctional Healthcare, Inc. Top agencies DOJ (Department of Justice)	$3,439,670	0.2%	Rank history: #39 in FY2022, #34 in FY2023, #35 in FY2024 and #30 in FY2025; up 29 since FY2020.
60	RD Staffco Inc. Top agencies Army (Department of the Army)	$2,788,859	0.1%	Rank history: #65 in FY2022, #64 in FY2023, #62 in FY2024 and not on the FY2025 list; up 8 since FY2020.
61	Aspire Therapy Services and Consultants, Inc. Top agencies Army (Department of the Army)	$2,728,112	0.1%	Rank history: #66 in FY2022, #57 in FY2023, #70 in FY2024 and #63 in FY2025; up 3 since FY2020.
62	Bestica, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$2,387,098	0.1%	Rank history: #77 in FY2022, #71 in FY2023 and not on the FY2024–FY2025 lists; up 7 since FY2020.
63	Kili LLC Top agencies Army (Department of the Army)	$2,372,916	0.1%	Rank history: not on the FY2022–FY2025 lists; up 8 since FY2020.
64	Prosource360 Consulting Services Inc. Top agencies USAF (Department of the Air Force)	$2,157,918	0.1%	Rank history: #93 in FY2022 and not on the FY2023–FY2025 lists; up 13 since FY2020.
65	Rieles Group LLC Top agencies DHA (Defense Health Agency)	$2,157,850	0.1%	Rank history: #76 in FY2022, #65 in FY2023, #66 in FY2024 and not on the FY2025 list; up 18 since FY2020.
66	Akahi Associates LLC Top agencies Army (Department of the Army)	$2,000,114	0.1%	Rank history: #60 in FY2022, #55 in FY2023, #44 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
67	Comprehensive Human Services Corp Top agencies DOJ (Department of Justice)	$1,809,482	0.1%	Rank history: #78 in FY2022, #73 in FY2023, #61 in FY2024 and #51 in FY2025; up 19 since FY2020.
68	Monongalia County General Hospital Company Top agencies DOJ (Department of Justice)	$1,742,601	0.1%	Rank history: not on the FY2022 list, #93 in FY2023 and not on the FY2024–FY2025 lists; up 17 since FY2020.
69	GEO Care, Inc. Through Recovery Solutions of South Carolina, LLC Top agencies DOJ (Department of Justice)	$1,718,559	0.1%	Rank history: #51 in FY2022, #51 in FY2023, #91 in FY2024 and not on the FY2025 list; up 55 since FY2020.
70	Native American Lifelines, Inc. Top agencies HHS (Department of Health and Human Services)	$1,629,635	0.1%	Rank history: #58 in FY2022, #69 in FY2023, #67 in FY2024 and #72 in FY2025; up 40 since FY2020.
71	Onesourcepcs, LLC Top agencies USAF (Department of the Air Force)	$1,621,908	0.1%	Rank history: #80 in FY2022 and not on the FY2023–FY2025 lists; up 22 since FY2020.
72	Akeso Care Management Inc. Top agencies DOJ (Department of Justice)	$1,599,593	0.1%	Rank history: #54 in FY2022, #89 in FY2023 and not on the FY2024–FY2025 lists; up 35 since FY2020.
73	Emerge Solutions Group LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$1,591,556	0.1%	Rank history: #79 in FY2022 and not on the FY2023–FY2025 lists; up 19 since FY2020.
74	Bay Area Anesthesia LLC Top agencies HHS (Department of Health and Human Services)	$1,578,211	0.1%	Rank history: #40 in FY2022, #47 in FY2023, #77 in FY2024 and #47 in FY2025; up 54 since FY2020.
75	Winnebago Tribe of Nebraska Top agencies HHS (Department of Health and Human Services)	$1,465,663	0.1%	Rank history: #75 in FY2022 and not on the FY2023–FY2025 lists; up 5 since FY2020.
76	Iowa Health System 2 awardees, including Methodist Medical Center of Illinois and Proctor Hospital Top agencies DOJ (Department of Justice)	$1,445,010	0.1%	Rank history: not on the FY2022–FY2025 lists; up 132 since FY2020.
77	CLJ Consulting & Contracting LLC Top agencies Army (Department of the Army)	$1,436,851	0.1%	Rank history: not on the FY2022–FY2024 lists and #100 in FY2025; down 2 since FY2020.
78	Centralcare, Incorporated Top agencies USAF (Department of the Air Force)	$1,375,153	0.1%	Rank history: #50 in FY2022, #26 in FY2023, #22 in FY2024 and #14 in FY2025; down 64 since FY2020.
79	Larkin Community Hospital Inc. Top agencies DOJ (Department of Justice)	$1,345,691	0.1%	Rank history: #67 in FY2022, #63 in FY2023, #60 in FY2024 and #49 in FY2025; new, not ranked in FY2020.
80	Servefed Inc. Top agencies Army (Department of the Army)	$1,329,910	0.1%	Rank history: not on the FY2022–FY2025 lists; up 2 since FY2020.
81	Rochester Regional Health Through The Rochester General Hospital Top agencies HHS (Department of Health and Human Services)	$1,260,219	0.1%	Rank history: not on the FY2022–FY2025 lists; up 109 since FY2020.
82	Coastal Childrens Services PLLC Top agencies DHA (Defense Health Agency)	$1,241,919	0.1%	Rank history: #88 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
83	Emory University Top agencies HHS (Department of Health and Human Services)	$1,235,320	0.1%	Rank history: #82 in FY2022, #76 in FY2023, #79 in FY2024 and #90 in FY2025; up 4 since FY2020.
84	Eagle Global Scientific, LLC Top agencies Army (Department of the Army)	$1,215,024	0.1%	Rank history: #95 in FY2022, #83 in FY2023, not on the FY2024 list and #75 in FY2025; new, not ranked in FY2020.
85	Millbrook Support Services Inc. Top agencies VA (Department of Veterans Affairs)	$1,161,091	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
86	University of Utah Top agencies VA (Department of Veterans Affairs)	$1,124,055	0.1%	Rank history: #84 in FY2022, #75 in FY2023, #86 in FY2024 and #86 in FY2025; down 16 since FY2020.
87	Preston Memorial Hospital Corporation Top agencies DOJ (Department of Justice)	$1,032,193	0.1%	Rank history: not on the FY2022–FY2025 lists; up 29 since FY2020.
88	Quarterline Consulting Services, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$987,771	0.1%	Rank history: not on the FY2022–FY2025 lists; down 40 since FY2020.
89	Washington Hospital Center Corporation Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$974,748	0.1%	Rank history: not on the FY2022–FY2025 lists; up 138 since FY2020.
90	OSF Healthcare System Top agencies DOJ (Department of Justice)	$968,597	0.1%	Rank history: not on the FY2022–FY2025 lists; up 36 since FY2020.
91	Program Management and Technology Services, Inc. Top agencies USAF (Department of the Air Force)	$953,101	0.1%	Rank history: #96 in FY2022, #90 in FY2023 and not on the FY2024–FY2025 lists; up 20 since FY2020.
92	Maxmed Saratoga JV LLC Top agencies USAF (Department of the Air Force)	$951,028	0.1%	Rank history: #85 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
93	Giacare Inc. Top agencies USAF (Department of the Air Force)	$949,889	0.1%	Rank history: #100 in FY2022 and not on the FY2023–FY2025 lists; up 203 since FY2020.
94	Prosperitus Solutions LLC Top agencies Army (Department of the Army)	$936,182	<0.1%	Rank history: #92 in FY2022 and not on the FY2023–FY2025 lists; up 62 since FY2020.
95	Lowcountry Surgery Center, LLC Top agencies VA (Department of Veterans Affairs)	$912,427	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
96	Vighter LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$898,543	<0.1%	Rank history: not on the FY2022–FY2023 lists, #82 in FY2024 and #53 in FY2025; up 12 since FY2020.
97	Osprey Technology Solutions Inc. Top agencies Army (Department of the Army)	$871,795	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 17 since FY2020.
98	Spring Valley Post Acute LLC Top agencies DOJ (Department of Justice)	$846,000	<0.1%	Rank history: #97 in FY2022, #95 in FY2023 and not on the FY2024–FY2025 lists; up 11 since FY2020.
99	State of California Controllers Office 3 awardees, including University of California Irvine, The Regents of the University of California. San Francisco and University of California, San Francisco Top agencies VA (Department of Veterans Affairs)	$802,236	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 2 since FY2020.
100	Essentia Health Through ST. Mary's Duluth Clinic Health System Top agencies DOJ (Department of Justice)	$778,338	<0.1%	Rank history: #87 in FY2022 and not on the FY2023–FY2025 lists; up 58 since FY2020.

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100 of 336 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 622

Code	Net obligations	Largest contractor
6221 General Medical and Surgical Hospitals	$1,532,277,399	Naphcare 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 $1.87 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 622 contractors in FY2021?

1. Naphcare LLC ($147M), 2. Luke & Associates, Inc. ($109M), 3. Distinctive Health Spectrum Care JV LLC ($99.8M), 4. Seven Corners Inc. ($73.6M), 5. Matrix Providers Inc. ($69.1M), 6. Enterprise Resource Planning International, LLC ($67.2M), 7. The Arora Group, Inc. ($66.6M), 8. Provizor Federal Inc. ($66.3M), 9. Magnificus Corporation ($48.4M), 10. Donald L. Mooney Enterprises, LLC ($46.7M).

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