Top 100 Contractors in PSC AN13: Health R&D Services; Health Care Services; Experimental Development, Jul 2025–Jun 2026

Name: Top 100 Contractors in PSC AN13: Health R&D Services; Health Care Services; Experimental Development, Jul 2025–Jun 2026
Creator: GovTribe

Parent companies by net contract obligations Jul 1, 2025 – Jun 30, 2026 Code page on GovTribe

The top 10 won 51% of PSC AN13 contract dollars from July 2025 through June 2026

Contract obligations: $594,954,595 Net of deobligations, by contracts coded PSC AN13
Contractors: 111 Parent companies with an obligation
Largest contractor: Amgen USA Inc $150 million, 14.8% 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	Amgen USA Inc Top agencies HHS (Department of Health and Human Services)	$149,963,872	14.8%	Rank history: not on the FY2021–FY2023 lists, #1 in FY2024 and #1 in FY2025; up 1 since Jul 2024–Jun 2025.
2	Shionogi & Company Limited Through Shionogi Inc. Top agencies HHS (Department of Health and Human Services)	$119,160,688	11.8%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
3	Public Health Vaccines LLC Top agencies HHS (Department of Health and Human Services)	$52,936,200	5.2%	Rank history: #15 in FY2021, #81 in FY2022, #35 in FY2023, #22 in FY2024 and #16 in FY2025; up 21 since Jul 2024–Jun 2025.
4	Abbott Laboratories Top agencies HHS (Department of Health and Human Services)	$39,911,560	3.9%	Rank history: #22 in FY2021, #5 in FY2022, #71 in FY2023, #78 in FY2024 and #12 in FY2025; new, not ranked in Jul 2024–Jun 2025.
5	Battelle Memorial Institute 2 awardees Top agencies HHS (Department of Health and Human Services)	$38,625,057	3.8%	Rank history: #9 in FY2021, #16 in FY2022, #18 in FY2023, #14 in FY2024 and #4 in FY2025; up 6 since Jul 2024–Jun 2025.
6	University of Illinois 2 awardees Top agencies HHS (Department of Health and Human Services)	$31,223,385	3.1%	Rank history: not on the FY2021–FY2023 lists, #81 in FY2024 and #5 in FY2025; new, not ranked in Jul 2024–Jun 2025.
7	Safetraces Inc Top agencies HHS (Department of Health and Human Services)	$24,243,802	2.4%	Rank history: not on the FY2021–FY2024 lists and #8 in FY2025; new, not ranked in Jul 2024–Jun 2025.
8	Biolytical Laboratories Inc. Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$23,692,418	2.3%	Rank history: not on the FY2021–FY2023 lists, #33 in FY2024 and #31 in FY2025; up 23 since Jul 2024–Jun 2025.
9	Mayo Clinic Top agencies HHS (Department of Health and Human Services)	$21,008,442	2.1%	Rank history: not on the FY2021–FY2024 lists and #10 in FY2025; new, not ranked in Jul 2024–Jun 2025.
10	Virginia Commonwealth University Through Virginia Polytechnic Institute & State University Top agencies HHS (Department of Health and Human Services)	$20,308,180	2.0%	Rank history: not on the FY2021–FY2024 lists and #11 in FY2025; new, not ranked in Jul 2024–Jun 2025.
11	Prenosis, Inc. Top agencies HHS (Department of Health and Human Services)	$20,000,000	2.0%	Rank history: not on the FY2021–FY2022 lists, #80 in FY2023, not on the FY2024 list and #13 in FY2025; new, not ranked in Jul 2024–Jun 2025.
12	Poppy Health, Inc. Top agencies HHS (Department of Health and Human Services)	$19,601,012	1.9%	Rank history: not on the FY2021–FY2024 lists and #15 in FY2025; new, not ranked in Jul 2024–Jun 2025.
13	Basilea Pharmaceutica AG Through Basilea Pharmaceutica International Ltd, Allschwil Top agencies HHS (Department of Health and Human Services)	$19,321,270	1.9%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
14	Kernal Biologics, Inc. Top agencies HHS (Department of Health and Human Services)	$18,177,254	1.8%	Rank history: not on the FY2021–FY2024 lists and #17 in FY2025; new, not ranked in Jul 2024–Jun 2025.
15	Locus Biosciences Inc. Top agencies HHS (Department of Health and Human Services)	$18,000,000	1.8%	Rank history: not on the FY2021 list, #25 in FY2022, #28 in FY2023, #5 in FY2024 and #7 in FY2025; up 13 since Jul 2024–Jun 2025.
16	North Dakota University System Through University of North Dakota Top agencies HHS (Department of Health and Human Services)	$16,952,932	1.7%	Rank history: not on the FY2021–FY2024 lists and #19 in FY2025; new, not ranked in Jul 2024–Jun 2025.
17	Danaher Corporation 2 awardees, including Global Life Sciences Solutions USA LLC and Cepheid Top agencies HHS (Department of Health and Human Services) DHA (Defense Health Agency)	$16,548,561	1.6%	Rank history: not on the FY2021–FY2023 lists, #32 in FY2024 and #14 in FY2025; up 9 since Jul 2024–Jun 2025.
18	The Emmes Company, LLC Top agencies HHS (Department of Health and Human Services)	$16,000,000	1.6%	Rank history: #19 in FY2021, #24 in FY2022, #24 in FY2023, #18 in FY2024 and #32 in FY2025; up 29 since Jul 2024–Jun 2025.
19	Flosonics Medical LLC Top agencies HHS (Department of Health and Human Services)	$15,002,035	1.5%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
20	Marpam Pharma LLC Top agencies HHS (Department of Health and Human Services)	$14,131,077	1.4%	Rank history: not on the FY2021–FY2024 lists and #22 in FY2025; new, not ranked in Jul 2024–Jun 2025.
21	Hoffmann-La Roche Inc. Top agencies HHS (Department of Health and Human Services)	$13,750,000	1.4%	Rank history: not on the FY2021–FY2023 lists, #13 in FY2024 and #3 in FY2025; down 14 since Jul 2024–Jun 2025.
22	Tessera Therapeutics, Inc. Top agencies HHS (Department of Health and Human Services)	$11,891,248	1.2%	Rank history: not on the FY2021–FY2024 lists and #25 in FY2025; new, not ranked in Jul 2024–Jun 2025.
23	University of Pittsburgh - of the Commonwealth System of Higher Education Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$11,829,998	1.2%	Rank history: #31 in FY2021, #22 in FY2022, #46 in FY2023, #38 in FY2024 and #23 in FY2025; up 57 since Jul 2024–Jun 2025.
24	Crossject SA Top agencies HHS (Department of Health and Human Services)	$11,291,005	1.1%	Rank history: not on the FY2021–FY2024 lists and #28 in FY2025; new, not ranked in Jul 2024–Jun 2025.
25	Immunovec, Inc. Top agencies HHS (Department of Health and Human Services)	$11,049,460	1.1%	Rank history: not on the FY2021–FY2024 lists and #30 in FY2025; new, not ranked in Jul 2024–Jun 2025.
26	Lacristat LLC Top agencies HHS (Department of Health and Human Services)	$9,628,264	1.0%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
27	The Trustees of Columbia University In the City of New York Top agencies HHS (Department of Health and Human Services)	$9,364,971	0.9%	Rank history: #48 in FY2021 and not on the FY2022–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
28	Theradex Systems, Inc. Top agencies HHS (Department of Health and Human Services)	$9,307,613	0.9%	Rank history: not on the FY2021 list, #23 in FY2022, #25 in FY2023, #19 in FY2024 and #34 in FY2025; down 6 since Jul 2024–Jun 2025.
29	University of California, LOS Angeles Top agencies HHS (Department of Health and Human Services)	$9,188,827	0.9%	Rank history: not on the FY2021–FY2024 lists and #33 in FY2025; up 66 since Jul 2024–Jun 2025.
30	Orexo AB Through Orexo US Inc. Top agencies HHS (Department of Health and Human Services)	$8,450,715	0.8%	Rank history: not on the FY2021–FY2024 lists and #37 in FY2025; new, not ranked in Jul 2024–Jun 2025.
31	Strm.bio Incorporated Top agencies HHS (Department of Health and Human Services)	$8,375,271	0.8%	Rank history: not on the FY2021–FY2024 lists and #38 in FY2025; new, not ranked in Jul 2024–Jun 2025.
32	Technical Resources International, Inc. Top agencies HHS (Department of Health and Human Services)	$8,200,000	0.8%	Rank history: #11 in FY2021, #21 in FY2022, #27 in FY2023, #80 in FY2024 and #35 in FY2025; up 26 since Jul 2024–Jun 2025.
33	Northeastern University Top agencies HHS (Department of Health and Human Services)	$7,968,548	0.8%	Rank history: not on the FY2021–FY2024 lists and #39 in FY2025; new, not ranked in Jul 2024–Jun 2025.
34	Sapphiros LLC Top agencies HHS (Department of Health and Human Services)	$7,898,611	0.8%	Rank history: not on the FY2021–FY2024 lists and #40 in FY2025; new, not ranked in Jul 2024–Jun 2025.
35	Isola Therapeutics Inc. Top agencies HHS (Department of Health and Human Services)	$7,485,417	0.7%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
36	IX Biopharma Ltd. Top agencies Army (Department of the Army)	$7,127,731	0.7%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
37	Siemens Corporation Through Siemens Medical Solutions Usa, Inc. Top agencies HHS (Department of Health and Human Services)	$6,916,711	0.7%	Rank history: not on the FY2021–FY2024 lists and #41 in FY2025; new, not ranked in Jul 2024–Jun 2025.
38	University of Southern California Top agencies HHS (Department of Health and Human Services)	$6,842,620	0.7%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
39	GE Medical Systems Information Technologies, Inc. Top agencies HHS (Department of Health and Human Services)	$6,500,205	0.6%	Rank history: not on the FY2021–FY2022 lists, #11 in FY2023, #20 in FY2024 and #6 in FY2025; down 31 since Jul 2024–Jun 2025.
40	The Boeing Company Through HRL Laboratories, LLC Top agencies HHS (Department of Health and Human Services)	$6,449,893	0.6%	Rank history: not on the FY2021–FY2024 lists and #43 in FY2025; new, not ranked in Jul 2024–Jun 2025.
41	Mucommune LLC Top agencies HHS (Department of Health and Human Services)	$6,146,970	0.6%	Rank history: not on the FY2021–FY2024 lists and #45 in FY2025; new, not ranked in Jul 2024–Jun 2025.
42	Yale Univ Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$5,127,309	0.5%	Rank history: not on the FY2021–FY2024 lists and #47 in FY2025; new, not ranked in Jul 2024–Jun 2025.
43	Massachusetts Institute of Technology Top agencies HHS (Department of Health and Human Services)	$5,076,134	0.5%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
44	Texas Biomedical Research Institute Top agencies HHS (Department of Health and Human Services)	$4,587,811	0.5%	Rank history: not on the FY2021–FY2022 lists, #50 in FY2023, #85 in FY2024 and #49 in FY2025; up 46 since Jul 2024–Jun 2025.
45	The Children's Hospital Corporation Top agencies HHS (Department of Health and Human Services)	$4,499,741	0.4%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
46	The Vanderbilt University Top agencies HHS (Department of Health and Human Services)	$4,294,748	0.4%	Rank history: not on the FY2021–FY2024 lists and #50 in FY2025; new, not ranked in Jul 2024–Jun 2025.
47	Galois, Inc. Top agencies HHS (Department of Health and Human Services)	$4,187,046	0.4%	Rank history: not on the FY2021–FY2024 lists and #51 in FY2025; new, not ranked in Jul 2024–Jun 2025.
48	University of Maryland, Baltimore Top agencies HHS (Department of Health and Human Services)	$3,909,795	0.4%	Rank history: not on the FY2021–FY2023 lists, #84 in FY2024 and #52 in FY2025; new, not ranked in Jul 2024–Jun 2025.
49	The Leland Stanford Junior University Top agencies HHS (Department of Health and Human Services)	$3,858,191	0.4%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
50	Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek TNO Top agencies HHS (Department of Health and Human Services)	$3,720,333	0.4%	Rank history: not on the FY2021–FY2024 lists and #54 in FY2025; new, not ranked in Jul 2024–Jun 2025.
51	Biomerieux Inc. Through Biofire Defense LLC Top agencies HHS (Department of Health and Human Services)	$3,576,239	0.4%	Rank history: not on the FY2021–FY2023 lists, #89 in FY2024 and #56 in FY2025; up 38 since Jul 2024–Jun 2025.
52	Physical Sciences Inc. Top agencies HHS (Department of Health and Human Services)	$3,499,996	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
53	Sibel Health Inc. Top agencies HHS (Department of Health and Human Services)	$3,497,930	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
54	Feromics Inc. Top agencies HHS (Department of Health and Human Services)	$3,491,882	0.3%	Rank history: not on the FY2021–FY2023 lists, #74 in FY2024 and #58 in FY2025; up 22 since Jul 2024–Jun 2025.
55	Triton Systems, Inc. Top agencies HHS (Department of Health and Human Services) Army (Department of the Army)	$3,389,664	0.3%	Rank history: not on the FY2021–FY2022 lists, #41 in FY2023, #75 in FY2024 and #55 in FY2025; up 22 since Jul 2024–Jun 2025.
56	Hawksbill LLC Top agencies HHS (Department of Health and Human Services)	$3,339,715	0.3%	Rank history: not on the FY2021–FY2024 lists and #59 in FY2025; new, not ranked in Jul 2024–Jun 2025.
57	Inhalon Biopharma, Inc. Top agencies DHA (Defense Health Agency)	$3,175,643	0.3%	Rank history: not on the FY2021–FY2024 lists and #60 in FY2025; new, not ranked in Jul 2024–Jun 2025.
58	Craniosense, Inc. Top agencies DHA (Defense Health Agency)	$3,034,774	0.3%	Rank history: not on the FY2021–FY2024 lists and #61 in FY2025; new, not ranked in Jul 2024–Jun 2025.
59	Acrocyte Therapeutics Inc. Top agencies HHS (Department of Health and Human Services)	$2,653,048	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
60	Syracuse University Top agencies HHS (Department of Health and Human Services)	$2,256,884	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
61	Hemoglobin Oxygen Therapeutics LLC Top agencies DHA (Defense Health Agency)	$2,107,385	0.2%	Rank history: not on the FY2021–FY2024 lists and #36 in FY2025; down 36 since Jul 2024–Jun 2025.
62	Optosurgical, LLC Top agencies HHS (Department of Health and Human Services)	$2,095,748	0.2%	Rank history: not on the FY2021–FY2022 lists, #31 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
63	The Trustees of the University of Pennsylvania Top agencies HHS (Department of Health and Human Services)	$2,001,309	0.2%	Rank history: not on the FY2021 list, #26 in FY2022, not on the FY2023 list, #98 in FY2024 and not on the FY2025 list; new, not ranked in Jul 2024–Jun 2025.
64	Trail of Bits Inc. Top agencies HHS (Department of Health and Human Services)	$1,951,095	0.2%	Rank history: not on the FY2021–FY2024 lists and #65 in FY2025; new, not ranked in Jul 2024–Jun 2025.
65	Synedgen, Inc. Top agencies HHS (Department of Health and Human Services)	$1,891,200	0.2%	Rank history: not on the FY2021–FY2023 lists, #10 in FY2024 and #66 in FY2025; down 52 since Jul 2024–Jun 2025.
66	University of Rochester Top agencies HHS (Department of Health and Human Services)	$1,860,109	0.2%	Rank history: not on the FY2021 list, #28 in FY2022, not on the FY2023 list, #39 in FY2024 and #67 in FY2025; down 21 since Jul 2024–Jun 2025.
67	UIC Parent Corporation Through Curia Global Inc. Top agencies HHS (Department of Health and Human Services)	$1,778,642	0.2%	Rank history: not on the FY2021–FY2022 lists, #70 in FY2023, #46 in FY2024 and #69 in FY2025; down 8 since Jul 2024–Jun 2025.
68	AD Astra Diagnostics, Inc. Top agencies HHS (Department of Health and Human Services)	$1,702,732	0.2%	Rank history: not on the FY2021–FY2023 lists, #24 in FY2024 and not on the FY2025 list; down 36 since Jul 2024–Jun 2025.
69	Rafa Laboratories Ltd Top agencies HHS (Department of Health and Human Services)	$1,670,282	0.2%	Rank history: #30 in FY2021, #50 in FY2022, #30 in FY2023, not on the FY2024 list and #70 in FY2025; new, not ranked in Jul 2024–Jun 2025.
70	Westat, Inc. Top agencies HHS (Department of Health and Human Services)	$1,600,000	0.2%	Rank history: not on the FY2021 list, #12 in FY2022, #13 in FY2023, #7 in FY2024 and #9 in FY2025; down 65 since Jul 2024–Jun 2025.
71	The Charles Stark Draper Laboratory, Inc. Top agencies HHS (Department of Health and Human Services)	$1,282,415	0.1%	Rank history: #56 in FY2021, not on the FY2022 list, #12 in FY2023, #21 in FY2024 and #72 in FY2025; down 48 since Jul 2024–Jun 2025.
72	MRIGLOBAL Top agencies HHS (Department of Health and Human Services)	$1,142,454	0.1%	Rank history: not on the FY2021–FY2022 lists, #69 in FY2023, #51 in FY2024 and #73 in FY2025; down 9 since Jul 2024–Jun 2025.
73	Mantel Technologies, Inc. Top agencies DHA (Defense Health Agency)	$1,027,602	0.1%	Rank history: not on the FY2021 list, #44 in FY2022, not on the FY2023–FY2024 lists and #79 in FY2025; new, not ranked in Jul 2024–Jun 2025.
74	The Pennsylvania State University Top agencies HHS (Department of Health and Human Services)	$982,051	0.1%	Rank history: not on the FY2021–FY2024 lists and #74 in FY2025; new, not ranked in Jul 2024–Jun 2025.
75	Dynasil Corporation of America Through Radiation Monitoring Devices, Inc. Top agencies Army (Department of the Army)	$865,836	0.1%	Rank history: not on the FY2021–FY2024 lists and #80 in FY2025; new, not ranked in Jul 2024–Jun 2025.
76	University of Texas At Austin Top agencies HHS (Department of Health and Human Services)	$815,599	0.1%	Rank history: not on the FY2021–FY2024 lists and #76 in FY2025; new, not ranked in Jul 2024–Jun 2025.
77	Enalare Therapeutics Inc. Top agencies HHS (Department of Health and Human Services)	$810,132	0.1%	Rank history: #52 in FY2021, #29 in FY2022, #94 in FY2023, #25 in FY2024 and not on the FY2025 list; down 44 since Jul 2024–Jun 2025.
78	Red Balloon Security, Inc. Top agencies HHS (Department of Health and Human Services)	$786,029	0.1%	Rank history: not on the FY2021–FY2024 lists and #77 in FY2025; new, not ranked in Jul 2024–Jun 2025.
79	Guidehouse Inc. Top agencies VA (Department of Veterans Affairs)	$619,278	0.1%	Rank history: not on the FY2021–FY2024 lists and #78 in FY2025; new, not ranked in Jul 2024–Jun 2025.
80	Nirsense, Inc. Top agencies HHS (Department of Health and Human Services)	$600,000	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
81	Quantitative Biosciences, Inc. Top agencies HHS (Department of Health and Human Services)	$600,000	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
82	Halcyon Biomedical Inc. Top agencies HHS (Department of Health and Human Services)	$600,000	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
83	Esperto Medical Inc. Top agencies HHS (Department of Health and Human Services)	$600,000	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
84	Heliowave Technologies Inc. Top agencies HHS (Department of Health and Human Services)	$600,000	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
85	GT Biosciences, Inc. Top agencies HHS (Department of Health and Human Services)	$599,992	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
86	Voicelove Inc. Top agencies HHS (Department of Health and Human Services)	$599,276	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
87	Zenso Inc. Top agencies HHS (Department of Health and Human Services)	$599,251	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
88	Alethium Technologies, Inc. Top agencies HHS (Department of Health and Human Services)	$597,951	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
89	AO Technologies, LLC Top agencies HHS (Department of Health and Human Services)	$597,088	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
90	Memsel Inc. Top agencies HHS (Department of Health and Human Services)	$593,800	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
91	University of Wisconsin System Top agencies HHS (Department of Health and Human Services)	$449,084	<0.1%	Rank history: not on the FY2021–FY2024 lists and #81 in FY2025; new, not ranked in Jul 2024–Jun 2025.
92	University of Arizona Top agencies USAF (Department of the Air Force) VA (Department of Veterans Affairs)	$223,753	<0.1%	Rank history: not on the FY2021–FY2024 lists and #83 in FY2025; up 1 since Jul 2024–Jun 2025.
93	The Tiny Cargo Company Top agencies Army (Department of the Army)	$209,574	<0.1%	Rank history: not on the FY2021–FY2024 lists and #84 in FY2025; new, not ranked in Jul 2024–Jun 2025.
94	Inaedis, Inc. Top agencies Army (Department of the Army)	$209,565	<0.1%	Rank history: not on the FY2021–FY2024 lists and #85 in FY2025; new, not ranked in Jul 2024–Jun 2025.
95	CFD Research Corporation Top agencies Army (Department of the Army)	$203,982	<0.1%	Rank history: not on the FY2021–FY2024 lists and #88 in FY2025; new, not ranked in Jul 2024–Jun 2025.
96	Integrated Solutions for Systems, Inc. Top agencies Army (Department of the Army)	$199,036	<0.1%	Rank history: not on the FY2021–FY2024 lists and #89 in FY2025; new, not ranked in Jul 2024–Jun 2025.
97	Virscio, Inc. Top agencies VA (Department of Veterans Affairs)	$185,908	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
98	Neurosetta LLC Top agencies HHS (Department of Health and Human Services)	$135,000	<0.1%	Rank history: not on the FY2021–FY2024 lists and #91 in FY2025; new, not ranked in Jul 2024–Jun 2025.
99	Case Western Reserve University Top agencies VA (Department of Veterans Affairs)	$120,665	<0.1%	Rank history: not on the FY2021–FY2022 lists, #99 in FY2023, #83 in FY2024 and #92 in FY2025; down 12 since Jul 2024–Jun 2025.
100	Stumpworx LLC Top agencies VA (Department of Veterans Affairs)	$90,000	<0.1%	Rank history: not on the FY2021–FY2024 lists and #90 in FY2025; down 15 since Jul 2024–Jun 2025.

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100 of 111 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 $1.01 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.
Period: the trailing 12 months end with the last month that ended at least 90 days ago, because the Department of Defense reports its contract actions to FPDS about 90 days late. The list is rebuilt each night.
Rank changes compare with Jul 2024–Jun 2025. "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.
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 AN13 contractors in Jul 2025–Jun 2026?

1. Amgen USA Inc ($150M), 2. Shionogi & Company Limited ($119M), 3. Public Health Vaccines LLC ($52.9M), 4. Abbott Laboratories ($39.9M), 5. Battelle Memorial Institute ($38.6M), 6. University of Illinois ($31.2M), 7. Safetraces Inc ($24.2M), 8. Biolytical Laboratories Inc. ($23.7M), 9. Mayo Clinic ($21M), 10. Virginia Commonwealth University ($20.3M).

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