Top 100 DOD Uniformed Services University of the Health Sciences Contractors, FY2021

Name: Top 100 DOD Uniformed Services University of the Health Sciences Contractors, FY2021
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

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

An earlier fiscal year. See the current list: Top DOD Uniformed Services University of the Health Sciences Contractors, FY2025.

The top 10 won 71% of FY2021 DOD Uniformed Services University of the Health Sciences contract dollars

Contract obligations: $59,463,037 Net of deobligations, by the DOD Uniformed Services University of the Health Sciences and its offices
Contractors: 159 Parent companies with an obligation
Largest contractor: D7, LLC $11.8 million, 19.8% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV · Free to reuse with credit to GovTribe (CC BY 4.0)

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	D7, LLC Top NAICS codes 541512 Computer Systems Design Services	$11,802,560	19.8%	Rank history: #1 in FY2022, #3 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
2	Medical Technology Enterprise Consortium	$9,558,231	16.0%	Rank history: #9 in FY2022, #1 in FY2023, #2 in FY2024 and #7 in FY2025; new, not ranked in FY2020.
3	CDW Corporation Through CDW Government LLC Top NAICS codes 541512 Computer Systems Design Services 334111 Electronic Computer Manufacturing	$3,893,494	6.5%	Rank history: #3 in FY2022, #2 in FY2023, #29 in FY2024 and not on the FY2025 list; down 1 since FY2020.
4	Mantech International Corporation Through Mantech Mgs, Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$3,712,955	6.2%	Rank history: #4 in FY2022, #11 in FY2023 and not on the FY2024–FY2025 lists; up 5 since FY2020.
5	Angayut, LLC Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services	$2,917,536	4.9%	Rank history: #6 in FY2022, #5 in FY2023, #11 in FY2024 and #38 in FY2025; down 1 since FY2020.
6	George Mason University Top NAICS codes 611310 Colleges, Universities, and Professional Schools	$2,410,000	4.0%	Rank history: #7 in FY2022, #9 in FY2023 and not on the FY2024–FY2025 lists; unchanged since FY2020.
7	Diversified Protection Corp Top NAICS codes 561612 Security Guards and Patrol Services	$2,373,591	4.0%	Rank history: not on the FY2022–FY2025 lists; unchanged since FY2020.
8	Alianza Building Services, Inc. Top NAICS codes 561720 Janitorial Services	$2,084,781	3.5%	Rank history: #14 in FY2022 and not on the FY2023–FY2025 lists; unchanged since FY2020.
9	Sandy'S Supply Inc Through ACE Maintenance & Service Inc. Top NAICS codes 561720 Janitorial Services	$2,008,634	3.4%	Rank history: #25 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
10	Belt Built CFM Joint Venture, LLC Top NAICS codes 236220 Commercial and Institutional Building Construction	$1,660,740	2.8%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
11	Aimcon Design Build, LLC Top NAICS codes 236220 Commercial and Institutional Building Construction	$1,394,000	2.3%	Rank history: not on the FY2022 list, #49 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
12	Etolin Strait Development Group LLC Through Etolin Strait Partners, LLC Top NAICS codes 236220 Commercial and Institutional Building Construction	$1,237,279	2.1%	Rank history: #10 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
13	Rtkl / SSR JV Top NAICS codes 541330 Engineering Services	$990,432	1.7%	Rank history: #20 in FY2022, #8 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
14	Seventh Sense, LLC Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services	$975,473	1.6%	Rank history: #11 in FY2022, #15 in FY2023, #20 in FY2024 and #95 in FY2025; down 4 since FY2020.
15	University System of Maryland 2 awardees, including University of Maryland, College Park and University of Maryland, Baltimore Top NAICS codes 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services 541714 Research and Development in Biotechnology (except Nanobiotechnology)	$892,173	1.5%	Rank history: #12 in FY2022, #18 in FY2023, not on the FY2024 list and #17 in FY2025; down 1 since FY2020.
16	The Remi Group LLC Top NAICS codes 811219 Other Electronic and Precision Equipment Repair and Maintenance 334519 Other Measuring and Controlling Device Manufacturing	$820,302	1.4%	Rank history: not on the FY2022–FY2025 lists; unchanged since FY2020.
17	Wiley Wilson Burns & Mcdonnell Joint Venture Top NAICS codes 541330 Engineering Services	$698,311	1.2%	Rank history: #18 in FY2022, #17 in FY2023 and not on the FY2024–FY2025 lists; up 7 since FY2020.
18	Pittman Consulting Group, LLC Top NAICS codes 561110 Office Administrative Services	$450,355	0.8%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
19	Reed Elsevier Inc. Through Elsevier B.V. Top NAICS codes 519130 Internet Publishing and Broadcasting and Web Search Portals	$346,128	0.6%	Rank history: #17 in FY2022, #21 in FY2023 and not on the FY2024–FY2025 lists; up 9 since FY2020.
20	Prenax Inc. Top NAICS codes 519130 Internet Publishing and Broadcasting and Web Search Portals	$329,091	0.6%	Rank history: #19 in FY2022, #23 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
21	Newcastle Capital Management LP 2 awardees, including Bell Industries, Inc. and Bell Techlogix, Inc. Top NAICS codes 511210 Software Publishers	$311,531	0.5%	Rank history: #22 in FY2022 and not on the FY2023–FY2025 lists; up 19 since FY2020.
22	Complete Book & Media Supply, LLC Top NAICS codes 511130 Book Publishers	$302,729	0.5%	Rank history: #96 in FY2022 and not on the FY2023–FY2025 lists; up 45 since FY2020.
23	Accreditation Council for Graduate Medical Education Top NAICS codes 813920 Professional Organizations	$283,800	0.5%	Rank history: #24 in FY2022, #30 in FY2023, #28 in FY2024 and #25 in FY2025; up 10 since FY2020.
24	Carahsoft Technology Corp Top NAICS codes 511210 Software Publishers	$283,661	0.5%	Rank history: #21 in FY2022, #14 in FY2023, #9 in FY2024 and #15 in FY2025; new, not ranked in FY2020.
25	CAE Inc. Through Elevate Healthcare, Inc. Top NAICS codes 238210 Electrical Contractors and Other Wiring Installation Contractors	$275,433	0.5%	Rank history: #93 in FY2022, not on the FY2023 list, #99 in FY2024 and not on the FY2025 list; up 81 since FY2020.
26	Gartner, Inc. Top NAICS codes 541519 Other Computer Related Services	$255,741	0.4%	Rank history: #28 in FY2022, #31 in FY2023 and not on the FY2024–FY2025 lists; up 12 since FY2020.
27	Labrepco Inc. Top NAICS codes 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing	$252,946	0.4%	Rank history: #89 in FY2022, #86 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
28	Price Modern LLC Top NAICS codes 337214 Office Furniture (except Wood) Manufacturing	$244,475	0.4%	Rank history: #67 in FY2022, #79 in FY2023, #32 in FY2024 and #31 in FY2025; down 7 since FY2020.
29	Thermo Electron Corporation 2 awardees, including Life Technologies Corporation and Fisher Scientific Company L.L.C. Top NAICS codes 811219 Other Electronic and Precision Equipment Repair and Maintenance 334516 Analytical Laboratory Instrument Manufacturing	$227,804	0.4%	Rank history: #52 in FY2022, #37 in FY2023 and not on the FY2024–FY2025 lists; up 6 since FY2020.
30	Bravo, Inc. Top NAICS codes 334510 Electromedical and Electrotherapeutic Apparatus Manufacturing	$227,049	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
31	Oregon Premier Locations, LLC Top NAICS codes 531110 Lessors of Residential Buildings and Dwellings	$208,850	0.4%	Rank history: #30 in FY2022, not on the FY2023 list, #89 in FY2024 and not on the FY2025 list; up 8 since FY2020.
32	Avant Garde Scientific, Inc. Top NAICS codes 811219 Other Electronic and Precision Equipment Repair and Maintenance	$202,950	0.3%	Rank history: #49 in FY2022, #55 in FY2023, #37 in FY2024 and #27 in FY2025; up 12 since FY2020.
33	Pavion Corp. Top NAICS codes 238210 Electrical Contractors and Other Wiring Installation Contractors	$193,278	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
34	John Wiley & Sons Inc. Top NAICS codes 519190 All Other Information Services	$190,984	0.3%	Rank history: #33 in FY2022, #38 in FY2023 and not on the FY2024–FY2025 lists; up 8 since FY2020.
35	New TECH Solutions, Inc. Top NAICS codes 541519 Other Computer Related Services	$189,145	0.3%	Rank history: #29 in FY2022, #45 in FY2023, #49 in FY2024 and #32 in FY2025; up 12 since FY2020.
36	Pritchett Controls, Inc. Top NAICS codes 238220 Plumbing, Heating, and Air-Conditioning Contractors	$184,576	0.3%	Rank history: #27 in FY2022, #29 in FY2023, #26 in FY2024 and #23 in FY2025; up 1 since FY2020.
37	Lyrasis Top NAICS codes 519130 Internet Publishing and Broadcasting and Web Search Portals	$174,497	0.3%	Rank history: #35 in FY2022, #42 in FY2023, #36 in FY2024 and #36 in FY2025; up 12 since FY2020.
38	At&T Inc. Through At&T Mobility National Accounts LLC Top NAICS codes 517312 Wireless Telecommunications Carriers (except Satellite)	$173,128	0.3%	Rank history: #36 in FY2022, #41 in FY2023 and not on the FY2024–FY2025 lists; up 12 since FY2020.
39	Nexcelom Bioscience LLC Top NAICS codes 334516 Analytical Laboratory Instrument Manufacturing	$159,000	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
40	Elekta AB (PUBL) Through Elekta Inc. Top NAICS codes 334519 Other Measuring and Controlling Device Manufacturing 334517 Irradiation Apparatus Manufacturing	$156,372	0.3%	Rank history: #38 in FY2022, #44 in FY2023 and not on the FY2024–FY2025 lists; up 63 since FY2020.
41	Traumafx Solutions Inc. Through Tacmed Simulation, Inc. Top NAICS codes 339112 Surgical and Medical Instrument Manufacturing	$151,980	0.3%	Rank history: #64 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
42	Wolters Kluwer N.V. Through Uptodate, Inc. Top NAICS codes 519130 Internet Publishing and Broadcasting and Web Search Portals	$151,829	0.3%	Rank history: #55 in FY2022, #63 in FY2023 and not on the FY2024–FY2025 lists; up 11 since FY2020.
43	Cox Subscriptions, Inc. Top NAICS codes 519130 Internet Publishing and Broadcasting and Web Search Portals	$150,295	0.3%	Rank history: #37 in FY2022 and not on the FY2023–FY2025 lists; down 18 since FY2020.
44	Carl Zeiss X-RAY Microscopy Inc. Through Carl Zeiss Microscopy, LLC Top NAICS codes 811219 Other Electronic and Precision Equipment Repair and Maintenance	$125,270	0.2%	Rank history: #31 in FY2022, #28 in FY2023, #39 in FY2024 and not on the FY2025 list; up 1 since FY2020.
45	Agilent Technologies, Inc. Through Biotek Instruments, Inc. Top NAICS codes 334516 Analytical Laboratory Instrument Manufacturing	$121,956	0.2%	Rank history: #65 in FY2022 and not on the FY2023–FY2025 lists; up 24 since FY2020.
46	General Atomic Technologies Corporation Through General Atomics Top NAICS codes 541690 Other Scientific and Technical Consulting Services	$121,085	0.2%	Rank history: #13 in FY2022 and not on the FY2023–FY2025 lists; up 16 since FY2020.
47	Stryker Corporation Through Howmedica Osteonics Corp Top NAICS codes 339113 Surgical Appliance and Supplies Manufacturing	$100,000	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
48	Bioniquest Lab Services, Inc. Top NAICS codes 811219 Other Electronic and Precision Equipment Repair and Maintenance	$95,349	0.2%	Rank history: not on the FY2022 list, #59 in FY2023, #65 in FY2024 and not on the FY2025 list; up 9 since FY2020.
49	Agsi, LLC Top NAICS codes 811212 Computer and Office Machine Repair and Maintenance	$90,067	0.2%	Rank history: #68 in FY2022 and not on the FY2023–FY2025 lists; up 9 since FY2020.
50	Xstrahl, Inc. Top NAICS codes 811219 Other Electronic and Precision Equipment Repair and Maintenance	$88,548	0.1%	Rank history: not on the FY2022 list, #64 in FY2023, #62 in FY2024 and #76 in FY2025; up 69 since FY2020.
51	Interstate International, Inc. Top NAICS codes 484121 General Freight Trucking, Long-Distance, Truckload	$88,350	0.1%	Rank history: #53 in FY2022 and not on the FY2023–FY2025 lists; up 15 since FY2020.
52	Emulate Inc. Top NAICS codes 334516 Analytical Laboratory Instrument Manufacturing	$86,600	0.1%	Rank history: not on the FY2022–FY2025 lists; up 18 since FY2020.
53	Ritz Construction Inc. Top NAICS codes 236220 Commercial and Institutional Building Construction	$84,418	0.1%	Rank history: #57 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
54	Discovery Books LLC Top NAICS codes 511130 Book Publishers	$83,304	0.1%	Rank history: not on the FY2022–FY2025 lists; down 18 since FY2020.
55	Association of American Medical Colleges Top NAICS codes 813920 Professional Organizations	$80,360	0.1%	Rank history: #46 in FY2022 and not on the FY2023–FY2025 lists; up 13 since FY2020.
56	Morgan, Lewis & Bockius LLP Top NAICS codes 611430 Professional and Management Development Training	$70,350	0.1%	Rank history: #45 in FY2022, #70 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
57	Diakont Advanced Technologies, Inc. Top NAICS codes 333314 Optical Instrument and Lens Manufacturing	$68,700	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
58	Georgetown University Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services	$67,769	0.1%	Rank history: #23 in FY2022, not on the FY2023–FY2024 lists and #70 in FY2025; up 13 since FY2020.
59	Mtfa Architecture, Inc. Top NAICS codes 541310 Architectural Services	$66,023	0.1%	Rank history: #15 in FY2022, #72 in FY2023 and not on the FY2024–FY2025 lists; up 22 since FY2020.
60	Koninklijke Philips N.V. Through Philips Medical Systems North America Inc. Top NAICS codes 811219 Other Electronic and Precision Equipment Repair and Maintenance	$66,000	0.1%	Rank history: #41 in FY2022, not on the FY2023–FY2024 lists and #53 in FY2025; up 13 since FY2020.
61	Cambridge Information Group Inc. Through Ex Libris USA Inc. Top NAICS codes 511210 Software Publishers	$65,465	0.1%	Rank history: not on the FY2022 list, #66 in FY2023 and not on the FY2024–FY2025 lists; down 9 since FY2020.
62	Carner, Donald K Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services	$65,314	0.1%	Rank history: not on the FY2022–FY2025 lists; up 46 since FY2020.
63	Foss Therapy Services, Inc. Top NAICS codes 811219 Other Electronic and Precision Equipment Repair and Maintenance	$62,421	0.1%	Rank history: #97 in FY2022, #68 in FY2023, #91 in FY2024 and #99 in FY2025; down 46 since FY2020.
64	G-W Management Services, LLC Top NAICS codes 236220 Commercial and Institutional Building Construction	$55,358	0.1%	Rank history: not on the FY2022–FY2025 lists; down 21 since FY2020.
65	Mirion Technologies (CANBERRA) Inc. Top NAICS codes 811219 Other Electronic and Precision Equipment Repair and Maintenance	$54,741	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
66	Six-Nations Inc. Top NAICS codes 562111 Solid Waste Collection	$54,450	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
67	International Business Machines Corporation Top NAICS codes 511210 Software Publishers	$50,414	0.1%	Rank history: #70 in FY2022, #46 in FY2023, #68 in FY2024 and #81 in FY2025; up 13 since FY2020.
68	Govage, Inc. Top NAICS codes 334519 Other Measuring and Controlling Device Manufacturing	$50,200	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
69	Hitech Instruments, Inc. Top NAICS codes 333314 Optical Instrument and Lens Manufacturing	$49,546	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
70	Qcm, Inc. Top NAICS codes 236220 Commercial and Institutional Building Construction	$49,373	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
71	Statking Consulting Inc. Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services	$49,345	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
72	Harman Funeral Services Top NAICS codes 812210 Funeral Homes and Funeral Services	$49,120	0.1%	Rank history: #61 in FY2022 and not on the FY2023–FY2025 lists; up 29 since FY2020.
73	Madison Hospitality Services, LLC Top NAICS codes 531110 Lessors of Residential Buildings and Dwellings	$48,960	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
74	Scireq Scientific Respiratory Equipment Inc Top NAICS codes 339112 Surgical and Medical Instrument Manufacturing	$48,556	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
75	Tubewriter, LLC Top NAICS codes 333244 Printing Machinery and Equipment Manufacturing	$46,650	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
76	ENV Services Inc. Top NAICS codes 532490 Other Commercial and Industrial Machinery and Equipment Rental and Leasing	$45,765	0.1%	Rank history: not on the FY2022–FY2024 lists and #75 in FY2025; up 64 since FY2020.
77	Presidio Government Solutions LLC Top NAICS codes 541519 Other Computer Related Services	$43,907	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
78	Aquifer Inc. Top NAICS codes 813920 Professional Organizations	$43,700	0.1%	Rank history: #72 in FY2022, #75 in FY2023, #67 in FY2024 and #79 in FY2025; down 14 since FY2020.
79	Argus Services Inc. Top NAICS codes 236220 Commercial and Institutional Building Construction	$43,266	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
80	Danaher Corporation Through Global Life Sciences Solutions USA LLC Top NAICS codes 334516 Analytical Laboratory Instrument Manufacturing	$43,211	0.1%	Rank history: not on the FY2022 list, #54 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
81	Biospherix, LLC Top NAICS codes 334516 Analytical Laboratory Instrument Manufacturing	$41,904	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
82	Becton, Dickinson and Co Top NAICS codes 334516 Analytical Laboratory Instrument Manufacturing	$40,370	0.1%	Rank history: not on the FY2022 list, #40 in FY2023, #48 in FY2024 and #85 in FY2025; down 70 since FY2020.
83	Copyright Clearance Center, Inc. Top NAICS codes 519190 All Other Information Services	$38,475	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
84	Association of Academic Health Centers, Inc. Top NAICS codes 813920 Professional Organizations	$38,250	0.1%	Rank history: not on the FY2022–FY2025 lists; up 5 since FY2020.
85	Old Dominion University Top NAICS codes 611310 Colleges, Universities, and Professional Schools	$37,912	0.1%	Rank history: #94 in FY2022 and not on the FY2023–FY2025 lists; down 8 since FY2020.
86	Steris Corporation Top NAICS codes 334516 Analytical Laboratory Instrument Manufacturing	$37,357	0.1%	Rank history: #48 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
87	B & H International LLC Top NAICS codes 334516 Analytical Laboratory Instrument Manufacturing	$36,856	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
88	Hydro Service & Supplies Inc. Top NAICS codes 811219 Other Electronic and Precision Equipment Repair and Maintenance	$36,128	0.1%	Rank history: not on the FY2022 list, #97 in FY2023, not on the FY2024 list and #69 in FY2025; up 35 since FY2020.
89	Sustainable Design Consortium, (Sdc) Inc. Top NAICS codes 236220 Commercial and Institutional Building Construction	$34,388	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
90	Jeol Ltd. Through Jeol Usa, Inc. Top NAICS codes 811212 Computer and Office Machine Repair and Maintenance	$33,895	0.1%	Rank history: not on the FY2022–FY2025 lists; down 12 since FY2020.
91	Executive Information Systems, L.L.C. Top NAICS codes 541519 Other Computer Related Services	$32,949	0.1%	Rank history: #83 in FY2022, #84 in FY2023, #76 in FY2024 and #84 in FY2025; up 11 since FY2020.
92	Almost Home, LLC Top NAICS codes 531110 Lessors of Residential Buildings and Dwellings	$32,646	0.1%	Rank history: #85 in FY2022 and not on the FY2023–FY2025 lists; up 4 since FY2020.
93	Anderson Court Reporting, LLC Top NAICS codes 561410 Document Preparation Services	$31,000	0.1%	Rank history: #88 in FY2022, #98 in FY2023 and not on the FY2024–FY2025 lists; up 5 since FY2020.
94	Techne Corporation 2 awardees, including Research and Diagnostic Systems, Inc. and Proteinsimple Top NAICS codes 541714 Research and Development in Biotechnology (except Nanobiotechnology) 811219 Other Electronic and Precision Equipment Repair and Maintenance	$30,837	0.1%	Rank history: not on the FY2022–FY2025 lists; up 63 since FY2020.
95	Roberts & Roberts Management Group, LLC Top NAICS codes 722320 Caterers	$30,113	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
96	Kalamazoo Acquisition Corporation Through Prab, Inc. Top NAICS codes 811219 Other Electronic and Precision Equipment Repair and Maintenance	$29,714	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 52 since FY2020.
97	Ebsco Industries Inc. Top NAICS codes 519190 All Other Information Services	$29,690	<0.1%	Rank history: #87 in FY2022, #93 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
98	AGI International, Inc. Top NAICS codes 561621 Security Systems Services (except Locksmiths)	$28,731	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
99	Association of Schools and Programs of Public Health, Inc. Top NAICS codes 813920 Professional Organizations	$28,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 5 since FY2020.
100	Med Associates, Inc. Top NAICS codes 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals	$27,147	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.

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100 of 159 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 $59.6 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 DOD Uniformed Services University of the Health Sciences contractors in FY2021?

1. D7, LLC ($11.8M), 2. Medical Technology Enterprise Consortium ($9.56M), 3. CDW Corporation ($3.89M), 4. Mantech International Corporation ($3.71M), 5. Angayut, LLC ($2.92M), 6. George Mason University ($2.41M), 7. Diversified Protection Corp ($2.37M), 8. Alianza Building Services, Inc. ($2.08M), 9. Sandy'S Supply Inc ($2.01M), 10. Belt Built CFM Joint Venture, LLC ($1.66M).

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