Top 100 Contractors in PSC Q522: Radiology Services, FY2021

Name: Top 100 Contractors in PSC Q522: Radiology Services, FY2021
Creator: GovTribe

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

The top 10 won 26% of FY2021 PSC Q522 contract dollars

Contract obligations: $190,272,663 Net of deobligations, by contracts coded PSC Q522
Contractors: 264 Parent companies with an obligation
Largest contractor: Provizor Federal Inc. $9.69 million, 4.2% 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	Provizor Federal Inc. Top agencies DHA (Defense Health Agency)	$9,685,217	4.2%	Rank history: #7 in FY2022, #10 in FY2023, #82 in FY2024 and not on the FY2025 list; up 39 since FY2020.
2	Valor Network, Inc. Top agencies Army (Department of the Army) DHS (Department of Homeland Security) DHA (Defense Health Agency)	$9,198,998	4.0%	Rank history: #1 in FY2022, #2 in FY2023, #2 in FY2024 and #2 in FY2025; down 1 since FY2020.
3	Distinctive Health Spectrum Care JV LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$6,388,937	2.8%	Rank history: #6 in FY2022, #7 in FY2023, #24 in FY2024 and not on the FY2025 list; up 1 since FY2020.
4	Ansible Government Solutions LLC Top agencies VA (Department of Veterans Affairs)	$5,442,000	2.4%	Rank history: #2 in FY2022, #1 in FY2023, #3 in FY2024 and not on the FY2025 list; up 43 since FY2020.
5	Magnificus Corporation Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency) Army (Department of the Army)	$5,436,874	2.4%	Rank history: #5 in FY2022, #3 in FY2023, #28 in FY2024 and #16 in FY2025; up 1 since FY2020.
6	Federal Staffing Resources, LLC Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$5,313,180	2.3%	Rank history: #11 in FY2022, not on the FY2023–FY2024 lists and #97 in FY2025; down 4 since FY2020.
7	Baker JR Wilson Top agencies VA (Department of Veterans Affairs)	$4,709,513	2.1%	Rank history: #4 in FY2022, #6 in FY2023, #16 in FY2024 and #4 in FY2025; down 4 since FY2020.
8	Vetmed Group LLC Top agencies VA (Department of Veterans Affairs)	$4,612,089	2.0%	Rank history: #8 in FY2022, #8 in FY2023, #1 in FY2024 and #1 in FY2025; up 1 since FY2020.
9	University System of Maryland 2 awardees, including University of Maryland Diagnostic Imaging Specialists, P. A. Top agencies VA (Department of Veterans Affairs)	$4,408,411	1.9%	Rank history: #32 in FY2022, #65 in FY2023, #26 in FY2024 and not on the FY2025 list; up 41 since FY2020.
10	University of New Mexico Top agencies VA (Department of Veterans Affairs)	$4,119,219	1.8%	Rank history: not on the FY2022 list, #11 in FY2023, #11 in FY2024 and #13 in FY2025; up 1 since FY2020.
11	Government Imaging Services LLC Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force) DHA (Defense Health Agency)	$3,705,216	1.6%	Rank history: #9 in FY2022, #13 in FY2023, #7 in FY2024 and #17 in FY2025; up 8 since FY2020.
12	University of Louisville Top agencies VA (Department of Veterans Affairs)	$3,676,583	1.6%	Rank history: #12 in FY2022, #16 in FY2023, #12 in FY2024 and #15 in FY2025; down 7 since FY2020.
13	Angel Staffing Incorporated Top agencies DHA (Defense Health Agency)	$3,398,605	1.5%	Rank history: #14 in FY2022, #26 in FY2023 and not on the FY2024–FY2025 lists; up 10 since FY2020.
14	PM Consulting Group LLC Top agencies DHA (Defense Health Agency)	$3,162,160	1.4%	Rank history: #48 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
15	Photon Physics Services Top agencies VA (Department of Veterans Affairs)	$3,072,381	1.3%	Rank history: #13 in FY2022, #25 in FY2023, #29 in FY2024 and #43 in FY2025; up 5 since FY2020.
16	Duke University Through Duke University Health System, Inc. Top agencies VA (Department of Veterans Affairs)	$2,790,680	1.2%	Rank history: #15 in FY2022, #21 in FY2023, #17 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
17	Mystic Ventures Group LLC Top agencies VA (Department of Veterans Affairs)	$2,789,842	1.2%	Rank history: #34 in FY2022, #20 in FY2023, #89 in FY2024 and #85 in FY2025; up 4 since FY2020.
18	The Royster Group, Inc. Top agencies Army (Department of the Army)	$2,748,740	1.2%	Rank history: #22 in FY2022, #31 in FY2023, #43 in FY2024 and #70 in FY2025; up 4 since FY2020.
19	Inrad, LLC Top agencies HHS (Department of Health and Human Services)	$2,635,489	1.2%	Rank history: #17 in FY2022, #43 in FY2023 and not on the FY2024–FY2025 lists; up 70 since FY2020.
20	MCV Associated Physicians Top agencies VA (Department of Veterans Affairs)	$2,624,172	1.1%	Rank history: #23 in FY2022, #22 in FY2023, #20 in FY2024 and #23 in FY2025; down 2 since FY2020.
21	Anders Group LLC Top agencies HHS (Department of Health and Human Services)	$2,414,910	1.1%	Rank history: #10 in FY2022, #9 in FY2023, #8 in FY2024 and #14 in FY2025; up 4 since FY2020.
22	Xrad Tele-Services Inc. Top agencies DHA (Defense Health Agency) DHS (Department of Homeland Security)	$2,387,125	1.0%	Rank history: #54 in FY2022 and not on the FY2023–FY2025 lists; down 10 since FY2020.
23	Avera Health Through Avera Mckennan Top agencies VA (Department of Veterans Affairs)	$2,355,755	1.0%	Rank history: #40 in FY2022, #39 in FY2023 and not on the FY2024–FY2025 lists; up 47 since FY2020.
24	Diagnostic Imaging Associates, Inc. Top agencies HHS (Department of Health and Human Services)	$2,231,272	1.0%	Rank history: #25 in FY2022, #23 in FY2023, #22 in FY2024 and #22 in FY2025; down 7 since FY2020.
25	Enterprise Resource Planning International, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$2,132,993	0.9%	Rank history: #19 in FY2022, #29 in FY2023, #9 in FY2024 and #5 in FY2025; down 18 since FY2020.
26	Riverside Radiology and Interventional Associates, Inc. Top agencies VA (Department of Veterans Affairs)	$1,978,036	0.9%	Rank history: #20 in FY2022, #24 in FY2023, #18 in FY2024 and not on the FY2025 list; down 13 since FY2020.
27	Tech62 Inc. Top agencies VA (Department of Veterans Affairs)	$1,972,347	0.9%	Rank history: #28 in FY2022, #34 in FY2023, #87 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
28	Siemens Aktiengesellschaft Through Siemens Medical Solutions Usa, Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$1,957,754	0.9%	Rank history: #30 in FY2022, #27 in FY2023, #21 in FY2024 and not on the FY2025 list; up 211 since FY2020.
29	The Trustees of the University of Pennsylvania Top agencies VA (Department of Veterans Affairs)	$1,908,290	0.8%	Rank history: #43 in FY2022, #51 in FY2023, not on the FY2024 list and #47 in FY2025; new, not ranked in FY2020.
30	Platinum Business Corporation Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency)	$1,885,214	0.8%	Rank history: #41 in FY2022, #47 in FY2023 and not on the FY2024–FY2025 lists; up 2 since FY2020.
31	Advanced Imaging Management, LLC Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) DOJ (Department of Justice)	$1,785,465	0.8%	Rank history: #27 in FY2022, #18 in FY2023 and not on the FY2024–FY2025 lists; up 2 since FY2020.
32	AB Staffing Solutions LLC Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$1,745,655	0.8%	Rank history: #3 in FY2022, #4 in FY2023, not on the FY2024 list and #31 in FY2025; down 18 since FY2020.
33	Oregon Health & Science University Top agencies VA (Department of Veterans Affairs)	$1,734,731	0.8%	Rank history: #29 in FY2022, #44 in FY2023, #39 in FY2024 and #26 in FY2025; down 5 since FY2020.
34	Vesa Health & Technology Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$1,728,734	0.8%	Rank history: #46 in FY2022, #54 in FY2023, #79 in FY2024 and not on the FY2025 list; down 3 since FY2020.
35	Rapid Temps, LLC Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice)	$1,679,306	0.7%	Rank history: #74 in FY2022, #41 in FY2023, not on the FY2024 list and #90 in FY2025; down 9 since FY2020.
36	Minneapolis Radiology Associates, Ltd. Top agencies VA (Department of Veterans Affairs)	$1,662,348	0.7%	Rank history: #38 in FY2022, #40 in FY2023, #30 in FY2024 and #33 in FY2025; down 1 since FY2020.
37	PM Connections LLC Top agencies DHA (Defense Health Agency)	$1,658,866	0.7%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
38	The Medical College of Wisconsin, Inc. Top agencies VA (Department of Veterans Affairs)	$1,607,763	0.7%	Rank history: not on the FY2022 list, #52 in FY2023, #32 in FY2024 and #39 in FY2025; down 9 since FY2020.
39	Medstar Health, Inc. Through Radamerica II, LLC Top agencies VA (Department of Veterans Affairs)	$1,573,600	0.7%	Rank history: #55 in FY2022, #94 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
40	Trillamed LLC Top agencies VA (Department of Veterans Affairs)	$1,405,087	0.6%	Rank history: not on the FY2022–FY2025 lists; up 34 since FY2020.
41	C & A Industries, Inc. Through Aureus Medical Management Services LLC Top agencies HHS (Department of Health and Human Services)	$1,346,753	0.6%	Rank history: not on the FY2022–FY2025 lists; up 11 since FY2020.
42	All Valley Imaging, L.l.c Top agencies HHS (Department of Health and Human Services)	$1,311,110	0.6%	Rank history: #24 in FY2022, #19 in FY2023, #15 in FY2024 and #35 in FY2025; down 4 since FY2020.
43	Loyal Source Government Services LLC Top agencies VA (Department of Veterans Affairs)	$1,293,056	0.6%	Rank history: not on the FY2022–FY2025 lists; down 6 since FY2020.
44	Luke & Associates, Inc. Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency)	$1,264,202	0.6%	Rank history: #77 in FY2022, #84 in FY2023, #71 in FY2024 and #28 in FY2025; up 27 since FY2020.
45	The Leland Stanford Junior University Top agencies VA (Department of Veterans Affairs)	$1,241,199	0.5%	Rank history: not on the FY2022–FY2025 lists; up 3 since FY2020.
46	Radiological Physics Associates, LLP Top agencies Army (Department of the Army)	$1,225,063	0.5%	Rank history: not on the FY2022–FY2025 lists; down 31 since FY2020.
47	University of Wisconsin System Through University of Wisconsin Medical Foundation, Inc. Top agencies VA (Department of Veterans Affairs)	$1,221,730	0.5%	Rank history: #42 in FY2022, #62 in FY2023, #59 in FY2024 and not on the FY2025 list; up 177 since FY2020.
48	Millbrook Support Services Inc. Top agencies VA (Department of Veterans Affairs)	$1,217,368	0.5%	Rank history: #35 in FY2022, not on the FY2023–FY2024 lists and #49 in FY2025; down 4 since FY2020.
49	CHG Healthcare Services Inc. Through CHG Companies, Inc. Top agencies HHS (Department of Health and Human Services)	$1,173,080	0.5%	Rank history: #79 in FY2022, #70 in FY2023, #57 in FY2024 and not on the FY2025 list; up 77 since FY2020.
50	Radiology Professional Management, LLC Top agencies VA (Department of Veterans Affairs)	$1,115,154	0.5%	Rank history: #49 in FY2022, #28 in FY2023, #34 in FY2024 and not on the FY2025 list; down 11 since FY2020.
51	Maxmed Saratoga JV LLC Top agencies Army (Department of the Army)	$1,100,818	0.5%	Rank history: #26 in FY2022, #30 in FY2023, #25 in FY2024 and #29 in FY2025; new, not ranked in FY2020.
52	D3 Oncology Inc. Top agencies VA (Department of Veterans Affairs)	$1,090,952	0.5%	Rank history: not on the FY2022–FY2025 lists; up 29 since FY2020.
53	Wichita Radiological Group Pa Top agencies VA (Department of Veterans Affairs)	$1,045,566	0.5%	Rank history: #59 in FY2022, #59 in FY2023, #46 in FY2024 and #48 in FY2025; down 7 since FY2020.
54	BCT Partners LLC Top agencies DOJ (Department of Justice)	$1,042,153	0.5%	Rank history: #53 in FY2022, #37 in FY2023, #45 in FY2024 and #42 in FY2025; up 34 since FY2020.
55	EGA Associates, LLC Top agencies VA (Department of Veterans Affairs)	$1,031,278	0.5%	Rank history: #52 in FY2022, #33 in FY2023, not on the FY2024 list and #44 in FY2025; down 13 since FY2020.
56	Yale Univ Top agencies VA (Department of Veterans Affairs)	$1,021,905	0.4%	Rank history: #70 in FY2022, #46 in FY2023, #55 in FY2024 and #50 in FY2025; down 5 since FY2020.
57	Montana Interventional and Diagnostic Radiology Specialists, PLLC Top agencies VA (Department of Veterans Affairs)	$989,200	0.4%	Rank history: not on the FY2022–FY2025 lists; down 23 since FY2020.
58	BTL Technologies, Inc. Top agencies VA (Department of Veterans Affairs)	$962,978	0.4%	Rank history: not on the FY2022–FY2025 lists; up 18 since FY2020.
59	University Physicians of Brooklyn, Inc. Top agencies VA (Department of Veterans Affairs)	$955,644	0.4%	Rank history: #83 in FY2022, #81 in FY2023, #68 in FY2024 and #71 in FY2025; new, not ranked in FY2020.
60	State of California Controllers Office 3 awardees, including The Regents of the University of California. San Francisco and University of California, San Francisco Top agencies VA (Department of Veterans Affairs)	$948,939	0.4%	Rank history: #31 in FY2022, #17 in FY2023, #36 in FY2024 and not on the FY2025 list; up 108 since FY2020.
61	Shelin, Agrawal, and Hyer, PLLC Top agencies USAF (Department of the Air Force)	$943,263	0.4%	Rank history: #63 in FY2022, #56 in FY2023, #51 in FY2024 and #55 in FY2025; down 7 since FY2020.
62	Health Carousel, LLC Through Next Medical Staffing LLC Top agencies VA (Department of Veterans Affairs)	$941,457	0.4%	Rank history: #68 in FY2022, #64 in FY2023, #49 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
63	Dilligas Corp Top agencies Army (Department of the Army) USAF (Department of the Air Force) DHA (Defense Health Agency)	$912,873	0.4%	Rank history: #39 in FY2022 and not on the FY2023–FY2025 lists; up 43 since FY2020.
64	Atims, LLC Top agencies VA (Department of Veterans Affairs)	$907,638	0.4%	Rank history: #65 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
65	James Valley Imaging Limited Top agencies HHS (Department of Health and Human Services)	$852,353	0.4%	Rank history: #69 in FY2022, #66 in FY2023, #65 in FY2024 and #57 in FY2025; down 10 since FY2020.
66	Vascular Radiology Associates II Top agencies VA (Department of Veterans Affairs)	$851,531	0.4%	Rank history: #57 in FY2022, #82 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2020.
67	The Arora Group, Inc. Top agencies DHA (Defense Health Agency)	$833,395	0.4%	Rank history: #56 in FY2022, #74 in FY2023 and not on the FY2024–FY2025 lists; down 6 since FY2020.
68	West Virginia University Top agencies VA (Department of Veterans Affairs)	$830,078	0.4%	Rank history: #58 in FY2022, #45 in FY2023, #33 in FY2024 and #52 in FY2025; down 38 since FY2020.
69	Cardinal Health, Inc. 2 awardees Top agencies VA (Department of Veterans Affairs)	$802,703	0.4%	Rank history: not on the FY2022–FY2023 lists, #80 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
70	White Mountain Radiology, P.L.L.C. Top agencies HHS (Department of Health and Human Services)	$786,654	0.3%	Rank history: #64 in FY2022, #89 in FY2023 and not on the FY2024–FY2025 lists; up 9 since FY2020.
71	Saint Louis University Top agencies VA (Department of Veterans Affairs)	$771,778	0.3%	Rank history: not on the FY2022–FY2025 lists; up 6 since FY2020.
72	General Electric Company Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$768,232	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
73	Advanced Health Education Center, Ltd Top agencies HHS (Department of Health and Human Services)	$766,080	0.3%	Rank history: not on the FY2022–FY2025 lists; down 37 since FY2020.
74	University of Utah Hospitals & Clinics Top agencies VA (Department of Veterans Affairs)	$752,500	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
75	Readiforce Government Solutions LLC Top agencies DHA (Defense Health Agency)	$733,676	0.3%	Rank history: #16 in FY2022, #5 in FY2023, #6 in FY2024 and #8 in FY2025; new, not ranked in FY2020.
76	Kalispell Regional Medical Center Inc. Top agencies HHS (Department of Health and Human Services)	$721,432	0.3%	Rank history: #89 in FY2022 and not on the FY2023–FY2025 lists; down 8 since FY2020.
77	New York University 2 awardees Top agencies VA (Department of Veterans Affairs)	$720,366	0.3%	Rank history: #71 in FY2022, #68 in FY2023 and not on the FY2024–FY2025 lists; up 74 since FY2020.
78	IS Healthcare LLC Top agencies VA (Department of Veterans Affairs)	$713,488	0.3%	Rank history: #66 in FY2022, #71 in FY2023, #54 in FY2024 and #56 in FY2025; up 33 since FY2020.
79	Jackson Healthcare, LLC Through Locumtenens.com, LLC Top agencies VA (Department of Veterans Affairs)	$707,200	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
80	Matrix Providers Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$692,902	0.3%	Rank history: #73 in FY2022, #80 in FY2023 and not on the FY2024–FY2025 lists; down 13 since FY2020.
81	Rosato Associates, Inc. Top agencies VA (Department of Veterans Affairs)	$686,806	0.3%	Rank history: #18 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
82	University of Mississippi Medical Center Top agencies VA (Department of Veterans Affairs)	$648,934	0.3%	Rank history: #76 in FY2022, #73 in FY2023, #67 in FY2024 and #64 in FY2025; new, not ranked in FY2020.
83	Real Radiology, LLC Top agencies Army (Department of the Army)	$594,824	0.3%	Rank history: not on the FY2022–FY2025 lists; down 20 since FY2020.
84	Global Empire LLC Top agencies HHS (Department of Health and Human Services) DOJ (Department of Justice)	$580,971	0.3%	Rank history: not on the FY2022–FY2025 lists; up 6 since FY2020.
85	Akahi Ingenesis Partners LLC Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency)	$566,404	0.2%	Rank history: not on the FY2022–FY2024 lists and #19 in FY2025; down 32 since FY2020.
86	SRL Total Source LLC Top agencies Army (Department of the Army)	$561,784	0.2%	Rank history: #87 in FY2022 and not on the FY2023–FY2025 lists; down 3 since FY2020.
87	Frontline National LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$549,035	0.2%	Rank history: not on the FY2022–FY2025 lists; down 2 since FY2020.
88	The University of Mississippi Top agencies VA (Department of Veterans Affairs)	$533,202	0.2%	Rank history: not on the FY2022–FY2025 lists; up 17 since FY2020.
89	Crouse Radiology Associates, L.L.P. Top agencies VA (Department of Veterans Affairs)	$519,944	0.2%	Rank history: #88 in FY2022 and not on the FY2023–FY2025 lists; down 27 since FY2020.
90	Black Hills Surgical Hospital, LLC Top agencies HHS (Department of Health and Human Services)	$503,239	0.2%	Rank history: not on the FY2022–FY2025 lists; down 8 since FY2020.
91	Donald L. Mooney Enterprises, LLC Top agencies Army (Department of the Army)	$500,697	0.2%	Rank history: #33 in FY2022, #12 in FY2023, #14 in FY2024 and #27 in FY2025; up 37 since FY2020.
92	Genesiscare USA of Florida LLC Top agencies VA (Department of Veterans Affairs)	$496,816	0.2%	Rank history: #92 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
93	Ahs Staffing LLC Top agencies HHS (Department of Health and Human Services)	$484,980	0.2%	Rank history: #81 in FY2022, #48 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
94	Vighter LLC Top agencies Army (Department of the Army)	$483,206	0.2%	Rank history: not on the FY2022–FY2023 lists, #52 in FY2024 and #75 in FY2025; down 1 since FY2020.
95	Dockside Imaging LLC Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$482,460	0.2%	Rank history: not on the FY2022–FY2025 lists; down 31 since FY2020.
96	Radiology Specialists of Denver, P.C. Top agencies VA (Department of Veterans Affairs)	$473,325	0.2%	Rank history: #85 in FY2022, not on the FY2023–FY2024 lists and #84 in FY2025; down 12 since FY2020.
97	Blue Stone Partners, LLC Top agencies HHS (Department of Health and Human Services)	$457,080	0.2%	Rank history: #67 in FY2022, #76 in FY2023 and not on the FY2024–FY2025 lists; up 26 since FY2020.
98	University of Missouri System Top agencies VA (Department of Veterans Affairs)	$428,588	0.2%	Rank history: not on the FY2022–FY2023 lists, #94 in FY2024 and not on the FY2025 list; down 6 since FY2020.
99	Triage LLC Top agencies HHS (Department of Health and Human Services)	$425,656	0.2%	Rank history: #90 in FY2022, #38 in FY2023, #31 in FY2024 and #37 in FY2025; new, not ranked in FY2020.
100	Suncoast Physics LLC Top agencies VA (Department of Veterans Affairs)	$425,400	0.2%	Rank history: not on the FY2022 list, #50 in FY2023, #48 in FY2024 and #54 in FY2025; down 13 since FY2020.

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100 of 264 contractors listed here. See the rest on GovTribe.

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 $229 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 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 PSC Q522 contractors in FY2021?

1. Provizor Federal Inc. ($9.69M), 2. Valor Network, Inc. ($9.2M), 3. Distinctive Health Spectrum Care JV LLC ($6.39M), 4. Ansible Government Solutions LLC ($5.44M), 5. Magnificus Corporation ($5.44M), 6. Federal Staffing Resources, LLC ($5.31M), 7. Baker JR Wilson ($4.71M), 8. Vetmed Group LLC ($4.61M), 9. University System of Maryland ($4.41M), 10. University of New Mexico ($4.12M).

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