Top 100 Contractors in NAICS 325412: Pharmaceutical Preparation Manufacturing, FY2023

Name: Top 100 Contractors in NAICS 325412: Pharmaceutical Preparation Manufacturing, FY2023
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

Parent companies by net contract obligations Oct 1, 2022 – Sep 30, 2023 Code page on GovTribe

The top 10 won 96% of FY2023 NAICS 325412 contract dollars

Contract obligations: $12,774,835,827 Net of deobligations, by contracts coded NAICS 325412
Contractors: 307 Parent companies with an obligation
Largest contractor: Mckesson Corporation $9.62 billion, 74.7% of obligations
Data as of: Oct 14, 2026

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

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Mckesson Corporation 9 awardees, including Mckesson Specialty Distribution LLC, Mckesson Specialty Care Distribution LLC and Mckesson Medical-Surgical Government Solutions LLC Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) DOJ (Department of Justice)	$9,624,599,012	74.7%	Rank history: #1 in FY2021, #2 in FY2022, #1 in FY2024 and #1 in FY2025; up 1 since FY2022.
2	Pfizer Inc. 3 awardees, including Meridian Medical Technologies, LLC and Global Blood Therapeutics, Inc. Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) DLA (Defense Logistics Agency)	$1,981,066,148	15.4%	Rank history: #44 in FY2021, #1 in FY2022, not on the FY2024 list and #48 in FY2025; down 1 since FY2022.
3	Osang LLC Top agencies HHS (Department of Health and Human Services)	$237,000,000	1.8%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
4	Emergent Biosolutions Inc. 4 awardees, including Emergent Biosolutions Canada Inc. and Emergent Devices, Inc. Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) DLA (Defense Logistics Agency)	$133,482,973	1.0%	Rank history: #10 in FY2021, #15 in FY2022 and not on the FY2024–FY2025 lists; up 11 since FY2022.
5	Bavarian Nordic A / S 2 awardees, including Bavarian Nordic, Inc. Top agencies HHS (Department of Health and Human Services)	$125,526,228	1.0%	Rank history: #8 in FY2021, #11 in FY2022, #3 in FY2024 and #3 in FY2025; up 6 since FY2022.
6	Danaher Corporation 3 awardees, including Global Life Sciences Solutions USA LLC and Cepheid Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$94,754,251	0.7%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #68 in FY2025; up 120 since FY2022.
7	Government of the United States Through DLA Troop Support Top agencies HHS (Department of Health and Human Services)	$80,550,000	0.6%	Rank history: #16 in FY2021, #14 in FY2022, #7 in FY2024 and #6 in FY2025; up 7 since FY2022.
8	Phlow Corp. Top agencies HHS (Department of Health and Human Services)	$50,649,404	0.4%	Rank history: not on the FY2021 list, #13 in FY2022, #6 in FY2024 and #26 in FY2025; up 5 since FY2022.
9	Teva Pharmaceutical Industries Ltd. Through Teva Pharmaceuticals Usa, Inc. Top agencies DLA (Defense Logistics Agency)	$36,142,176	0.3%	Rank history: #18 in FY2021, #20 in FY2022, #28 in FY2024 and not on the FY2025 list; up 11 since FY2022.
10	SANOFI 2 awardees, including Sanofi Vaccines US Inc. and Genzyme Corporation Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$35,084,665	0.3%	Rank history: #95 in FY2021, #25 in FY2022, #40 in FY2024 and not on the FY2025 list; up 15 since FY2022.
11	Cardinal Health, Inc. 6 awardees, including Cardinal Health 414, LLC and Cardinal Health 108, LLC Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) DLA (Defense Logistics Agency)	$32,687,109	0.3%	Rank history: #23 in FY2021, #24 in FY2022, #16 in FY2024 and #15 in FY2025; up 13 since FY2022.
12	Indivior Inc. Top agencies HHS (Department of Health and Human Services)	$32,379,816	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
13	Lantheus Holdings, Inc. 3 awardees, including Progenics Pharmaceuticals Inc. and Lantheus Medical Imaging, Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$26,753,869	0.2%	Rank history: not on the FY2021 list, #27 in FY2022, #14 in FY2024 and #14 in FY2025; up 14 since FY2022.
14	Partner Therapeutics, Inc. Top agencies HHS (Department of Health and Human Services)	$22,199,262	0.2%	Rank history: not on the FY2021 list, #16 in FY2022, #18 in FY2024 and #13 in FY2025; up 2 since FY2022.
15	Novartis AG Through Advanced Accelerator Applications USA Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$21,875,231	0.2%	Rank history: #33 in FY2021, #36 in FY2022, #17 in FY2024 and not on the FY2025 list; up 21 since FY2022.
16	Baxter International Inc. Through Baxter Healthcare Corporation Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$20,066,727	0.2%	Rank history: #26 in FY2021, #31 in FY2022 and not on the FY2024–FY2025 lists; up 15 since FY2022.
17	Government of Canada Through Canadian Commercial Corporation Top agencies DLA (Defense Logistics Agency)	$15,636,270	0.1%	Rank history: #20 in FY2021, #23 in FY2022, #19 in FY2024 and not on the FY2025 list; up 6 since FY2022.
18	Pharmacy Buying Association, Inc. Top agencies VA (Department of Veterans Affairs)	$10,556,689	0.1%	Rank history: #31 in FY2021, #38 in FY2022, #30 in FY2024 and #37 in FY2025; up 20 since FY2022.
19	Sofie Biosciences, Inc. Through Sofie Co. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$10,497,710	0.1%	Rank history: #75 in FY2021, #33 in FY2022, #27 in FY2024 and not on the FY2025 list; up 14 since FY2022.
20	Orasure Technologies Inc. Top agencies HHS (Department of Health and Human Services)	$10,496,000	0.1%	Rank history: #13 in FY2021, #9 in FY2022 and not on the FY2024–FY2025 lists; down 11 since FY2022.
21	Fresenius Kabi LLC 3 awardees, including Fresenius Kabi Usa, LLC and Fenwal, Inc. Top agencies HHS (Department of Health and Human Services) DLA (Defense Logistics Agency) DHA (Defense Health Agency)	$10,261,049	0.1%	Rank history: #36 in FY2021, not on the FY2022 list, #29 in FY2024 and not on the FY2025 list; up 132 since FY2022.
22	Chartwell RX LLC Top agencies HHS (Department of Health and Human Services)	$8,600,677	0.1%	Rank history: not on the FY2021 list, #12 in FY2022, not on the FY2024 list and #4 in FY2025; down 10 since FY2022.
23	Boston Scientific Corp 3 awardees, including BTG International Inc. and Biocompatibles, Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) USAF (Department of the Air Force)	$8,522,400	0.1%	Rank history: #39 in FY2021, #41 in FY2022, #35 in FY2024 and #30 in FY2025; up 18 since FY2022.
24	Amgen Inc. Top agencies HHS (Department of Health and Human Services)	$7,290,924	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
25	Accredo Health Group Inc. 2 awardees, including Priority Healthcare Distribution Inc. Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice)	$7,271,583	0.1%	Rank history: #41 in FY2021, #61 in FY2022, #36 in FY2024 and not on the FY2025 list; up 36 since FY2022.
26	Gsms Inc. Through Golden State Medical Supply, Inc. Top agencies VA (Department of Veterans Affairs) DLA (Defense Logistics Agency)	$6,565,458	0.1%	Rank history: #24 in FY2021, #35 in FY2022, #26 in FY2024 and not on the FY2025 list; up 9 since FY2022.
27	Jubilant Draximage Radiopharmacies, Inc. 3 awardees Top agencies VA (Department of Veterans Affairs)	$6,303,126	<0.1%	Rank history: #50 in FY2021, #55 in FY2022, #32 in FY2024 and #32 in FY2025; up 28 since FY2022.
28	Bayer Aktiengesellschaft Through Bayer Healthcare Pharmaceuticals Inc. Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$6,189,329	<0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #19 in FY2025; new.
29	Siga Technologies, Inc. Top agencies Army (Department of the Army)	$5,510,426	<0.1%	Rank history: not on the FY2021 list, #28 in FY2022, #24 in FY2024 and not on the FY2025 list; down 1 since FY2022.
30	ASE Direct, Inc. Top agencies VA (Department of Veterans Affairs) DLA (Defense Logistics Agency) HHS (Department of Health and Human Services)	$4,445,582	<0.1%	Rank history: #37 in FY2021, #49 in FY2022, #55 in FY2024 and #83 in FY2025; up 19 since FY2022.
31	Heyltex Corporation Top agencies HHS (Department of Health and Human Services)	$4,142,331	<0.1%	Rank history: not on the FY2021–FY2022 lists, #71 in FY2024 and not on the FY2025 list; new.
32	RLS (USA) Inc. 2 awardees Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$3,966,776	<0.1%	Rank history: #65 in FY2021, #48 in FY2022, #33 in FY2024 and #33 in FY2025; up 16 since FY2022.
33	MRIGLOBAL Top agencies HHS (Department of Health and Human Services)	$3,372,401	<0.1%	Rank history: not on the FY2021–FY2022 lists, #65 in FY2024 and #51 in FY2025; new.
34	General Electric Company 2 awardees, including Medi-Physics, Inc. and GE Healthcare Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) DOJ (Department of Justice)	$3,110,024	<0.1%	Rank history: #58 in FY2021, #42 in FY2022, #67 in FY2024 and not on the FY2025 list; up 8 since FY2022.
35	Bracco SPA Through Bracco Diagnostics Inc. Top agencies VA (Department of Veterans Affairs)	$2,910,508	<0.1%	Rank history: #49 in FY2021, #63 in FY2022, #46 in FY2024 and not on the FY2025 list; up 28 since FY2022.
36	Takeda Pharmaceutical Company Limited 2 awardees, including Takeda Pharmaceuticals America, Inc. Top agencies DOJ (Department of Justice) VA (Department of Veterans Affairs)	$2,432,346	<0.1%	Rank history: #62 in FY2021, #53 in FY2022, #42 in FY2024 and not on the FY2025 list; up 17 since FY2022.
37	Johnson & Johnson 5 awardees, including Actelion Pharmaceuticals US, Inc., Janssen Biotech Inc. and Janssen Products, LP Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) DHA (Defense Health Agency)	$2,265,276	<0.1%	Rank history: #56 in FY2021, #43 in FY2022, #53 in FY2024 and not on the FY2025 list; up 6 since FY2022.
38	Trillamed LLC Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$2,145,191	<0.1%	Rank history: #29 in FY2021, #40 in FY2022, #64 in FY2024 and #55 in FY2025; up 2 since FY2022.
39	Walgreen Co. 2 awardees, including Walgreens Specialty Pharmacy, LLC Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$2,124,557	<0.1%	Rank history: #84 in FY2021, #56 in FY2022 and not on the FY2024–FY2025 lists; up 17 since FY2022.
40	Baylor College of Medicine Top agencies VA (Department of Veterans Affairs)	$2,121,117	<0.1%	Rank history: #59 in FY2021, #52 in FY2022, #54 in FY2024 and #44 in FY2025; up 12 since FY2022.
41	Regimed Medical Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$2,104,640	<0.1%	Rank history: not on the FY2021 list, #92 in FY2022, #45 in FY2024 and not on the FY2025 list; up 51 since FY2022.
42	Nuclear Diagnostic Products, Inc. 2 awardees, including Nuclear Diagnostic Products of Philadelphia, Inc. Top agencies VA (Department of Veterans Affairs)	$2,026,789	<0.1%	Rank history: #61 in FY2021, #64 in FY2022, #52 in FY2024 and #61 in FY2025; up 22 since FY2022.
43	Glaxosmithkline LLC 2 awardees Top agencies HHS (Department of Health and Human Services) DLA (Defense Logistics Agency) DOS (Department of State)	$1,969,993	<0.1%	Rank history: #5 in FY2021, #5 in FY2022, #31 in FY2024 and #23 in FY2025; down 38 since FY2022.
44	Horizon Therapeutics USA Inc. 2 awardees Top agencies VA (Department of Veterans Affairs)	$1,948,088	<0.1%	Rank history: #97 in FY2021, #60 in FY2022, #97 in FY2024 and not on the FY2025 list; up 16 since FY2022.
45	Melling LLC Top agencies VA (Department of Veterans Affairs)	$1,947,803	<0.1%	Rank history: #35 in FY2021, #62 in FY2022, #83 in FY2024 and #52 in FY2025; up 17 since FY2022.
46	Stratatech Corporation 2 awardees, including INO Therapeutics LLC Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) Army (Department of the Army)	$1,824,103	<0.1%	Rank history: #51 in FY2021, #46 in FY2022, #79 in FY2024 and not on the FY2025 list; unchanged since FY2022.
47	United Therapeutics Corp Top agencies VA (Department of Veterans Affairs)	$1,781,510	<0.1%	Rank history: #80 in FY2021, #69 in FY2022, #50 in FY2024 and #97 in FY2025; up 22 since FY2022.
48	Irisys, Inc. Through Societal Cdmo San Diego, LLC Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$1,759,217	<0.1%	Rank history: #45 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
49	Central Admixture Pharmacy Services Inc. 2 awardees, including B. Braun Medical Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$1,706,483	<0.1%	Rank history: #70 in FY2021, #70 in FY2022, #43 in FY2024 and #75 in FY2025; up 21 since FY2022.
50	The Stronghold Group LLC Top agencies HHS (Department of Health and Human Services)	$1,684,170	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
51	Seqirus USA Inc. 2 awardees, including CSL Behring L.L.C. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) DOJ (Department of Justice)	$1,641,668	<0.1%	Rank history: #19 in FY2021, #19 in FY2022, #85 in FY2024 and not on the FY2025 list; down 32 since FY2022.
52	Altitude Technologies Inc. Top agencies HHS (Department of Health and Human Services)	$1,629,953	<0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #10 in FY2025; new.
53	Pharmalogic WV Ltd Top agencies VA (Department of Veterans Affairs)	$1,500,000	<0.1%	Rank history: not on the FY2021 list, #87 in FY2022 and not on the FY2024–FY2025 lists; up 34 since FY2022.
54	Sirtex Medical Inc. Top agencies Army (Department of the Army) VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$1,497,999	<0.1%	Rank history: #69 in FY2021, #75 in FY2022 and not on the FY2024–FY2025 lists; up 21 since FY2022.
55	Koffel Medical Supply Inc. Top agencies VA (Department of Veterans Affairs)	$1,443,859	<0.1%	Rank history: #60 in FY2021, #66 in FY2022, #61 in FY2024 and #54 in FY2025; up 11 since FY2022.
56	Amerisourcebergen Drug Corp Top agencies VA (Department of Veterans Affairs)	$1,321,294	<0.1%	Rank history: not on the FY2021 list, #37 in FY2022 and not on the FY2024–FY2025 lists; down 19 since FY2022.
57	Nationwide Pharmaceutical LLC Top agencies VA (Department of Veterans Affairs)	$1,315,621	<0.1%	Rank history: #52 in FY2021, #71 in FY2022, #70 in FY2024 and #35 in FY2025; up 14 since FY2022.
58	Alchem Laboratories Corporation Top agencies HHS (Department of Health and Human Services)	$1,195,100	<0.1%	Rank history: #71 in FY2021, #72 in FY2022, #93 in FY2024 and not on the FY2025 list; up 14 since FY2022.
59	UIC Parent Corporation Through Curia Global Inc. Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$1,170,903	<0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #53 in FY2025; new.
60	Jazz Pharmaceuticals Inc. Top agencies VA (Department of Veterans Affairs)	$1,119,755	<0.1%	Rank history: not on the FY2021 list, #89 in FY2022, #48 in FY2024 and #49 in FY2025; up 29 since FY2022.
61	Kaplan Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$1,060,237	<0.1%	Rank history: not on the FY2021 list, #67 in FY2022, #56 in FY2024 and #88 in FY2025; up 6 since FY2022.
62	Cipla USA Inc. Through Exelan Pharmaceuticals Inc. Top agencies VA (Department of Veterans Affairs)	$1,024,202	<0.1%	Rank history: not on the FY2021 list, #97 in FY2022, #57 in FY2024 and not on the FY2025 list; up 35 since FY2022.
63	Siemens Aktiengesellschaft 2 awardees, including Petnet Solutions, Inc. and Siemens Healthcare Diagnostics Inc. Top agencies DHA (Defense Health Agency) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$1,023,313	<0.1%	Rank history: #40 in FY2021, #47 in FY2022, #47 in FY2024 and not on the FY2025 list; down 16 since FY2022.
64	Amylyx Pharmaceuticals Inc. Top agencies VA (Department of Veterans Affairs)	$994,264	<0.1%	Rank history: not on the FY2021–FY2022 lists, #80 in FY2024 and not on the FY2025 list; new.
65	Bristol-Myers Squibb Company Top agencies VA (Department of Veterans Affairs)	$947,212	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 64 since FY2022.
66	AHS Hillcrest Medical Center LLC Through Topeka Hospital, LLC Top agencies VA (Department of Veterans Affairs)	$917,191	<0.1%	Rank history: not on the FY2021 list, #73 in FY2022 and not on the FY2024–FY2025 lists; up 7 since FY2022.
67	Cambridge Isotope Laboratories Inc. Through Otsuka America Pharmaceutical Inc. Top agencies VA (Department of Veterans Affairs)	$898,520	<0.1%	Rank history: #67 in FY2021, #58 in FY2022 and not on the FY2024–FY2025 lists; down 9 since FY2022.
68	Telix Pharmaceuticals US Inc. Top agencies VA (Department of Veterans Affairs)	$875,200	<0.1%	Rank history: not on the FY2021 list, #99 in FY2022, #39 in FY2024 and #45 in FY2025; up 31 since FY2022.
69	Houston Cyclotron Partners LP Top agencies VA (Department of Veterans Affairs)	$845,416	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 48 since FY2022.
70	DMS Pharmaceutical Group Inc. Top agencies DLA (Defense Logistics Agency)	$811,631	<0.1%	Rank history: #48 in FY2021, #50 in FY2022, #37 in FY2024 and #38 in FY2025; down 20 since FY2022.
71	Grifols Diagnostic Solutions Inc. 2 awardees, including Grifols USA LLC Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice)	$785,573	<0.1%	Rank history: #90 in FY2021, not on the FY2022 list, #86 in FY2024 and not on the FY2025 list; up 33 since FY2022.
72	TTG Isotopes, LLC Top agencies VA (Department of Veterans Affairs)	$753,934	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
73	Amicus Therapeutics, Inc. Through Amicus Therapeutics US, LLC Top agencies VA (Department of Veterans Affairs)	$714,605	<0.1%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2024 and #74 in FY2025; up 32 since FY2022.
74	UnitedHealth Group Incorporated 2 awardees, including Optum Pharmacy 801, Inc. Top agencies VA (Department of Veterans Affairs)	$662,391	<0.1%	Rank history: #32 in FY2021, #26 in FY2022, not on the FY2024 list and #42 in FY2025; down 48 since FY2022.
75	Xellia Pharmaceuticals USA LLC Top agencies DLA (Defense Logistics Agency)	$661,450	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
76	Disabled Veterans Hawaii LLC Top agencies VA (Department of Veterans Affairs)	$655,608	<0.1%	Rank history: #74 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 48 since FY2022.
77	Woods International LLC Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$653,398	<0.1%	Rank history: not on the FY2021–FY2022 lists, #41 in FY2024 and not on the FY2025 list; up 58 since FY2022.
78	Alamo Nuclear Pharmacy Services Inc Top agencies VA (Department of Veterans Affairs)	$641,120	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
79	Travere Therapeutics, Inc. Top agencies VA (Department of Veterans Affairs)	$640,399	<0.1%	Rank history: not on the FY2021 list, #88 in FY2022, #94 in FY2024 and not on the FY2025 list; up 9 since FY2022.
80	Otsuka Holdings Co. Ltd. Through Otsuka America Pharmaceutical Inc. Top agencies VA (Department of Veterans Affairs)	$634,774	<0.1%	Rank history: not on the FY2021–FY2022 lists, #60 in FY2024 and #73 in FY2025; new.
81	Core Trading Co Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) DLA (Defense Logistics Agency)	$626,988	<0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #71 in FY2025; up 38 since FY2022.
82	Clinical Pharmacy Services, Inc. Top agencies VA (Department of Veterans Affairs)	$619,377	<0.1%	Rank history: not on the FY2021–FY2022 lists, #90 in FY2024 and #70 in FY2025; up 45 since FY2022.
83	Cencora, Inc. 4 awardees, including ASD Specialty Healthcare, LLC and Integrated Commercialization Solutions, LLC Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$612,037	<0.1%	Rank history: #14 in FY2021, not on the FY2022 list, #99 in FY2024 and not on the FY2025 list; up 172 since FY2022.
84	American National Services LLC Top agencies DHA (Defense Health Agency)	$600,000	<0.1%	Rank history: #93 in FY2021, #90 in FY2022 and not on the FY2024–FY2025 lists; up 6 since FY2022.
85	Austin Nuclear Pharmacy Services LLC Top agencies VA (Department of Veterans Affairs)	$594,302	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
86	We Pharma, Inc. Top agencies HHS (Department of Health and Human Services)	$584,604	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 95 since FY2022.
87	Recordati Rare Diseases, Top agencies VA (Department of Veterans Affairs)	$567,160	<0.1%	Rank history: not on the FY2021 list, #81 in FY2022, #91 in FY2024 and not on the FY2025 list; down 6 since FY2022.
88	Bayer Corporation Through Bayer Healthcare Pharmaceuticals Inc. Top agencies VA (Department of Veterans Affairs)	$561,131	<0.1%	Rank history: #87 in FY2021, #51 in FY2022 and not on the FY2024–FY2025 lists; down 37 since FY2022.
89	Roche Diabetes Care Inc Through Genentech Usa, Inc. Top agencies DLA (Defense Logistics Agency)	$552,642	<0.1%	Rank history: not on the FY2021–FY2022 lists, #2 in FY2024 and not on the FY2025 list; new.
90	Acorda Therapeutics, Inc. Top agencies VA (Department of Veterans Affairs)	$529,877	<0.1%	Rank history: not on the FY2021–FY2022 lists, #76 in FY2024 and not on the FY2025 list; up 19 since FY2022.
91	Nuclear RX Inc. Top agencies VA (Department of Veterans Affairs)	$504,812	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 53 since FY2022.
92	Hot Shots NM LLC Top agencies VA (Department of Veterans Affairs)	$495,665	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 38 since FY2022.
93	American Regent Inc Top agencies DLA (Defense Logistics Agency)	$486,679	<0.1%	Rank history: not on the FY2021–FY2022 lists, #87 in FY2024 and #50 in FY2025; new.
94	VALNEVA Through Valneva Usa, Inc. Top agencies HHS (Department of Health and Human Services) DOJ (Department of Justice)	$466,364	<0.1%	Rank history: not on the FY2021–FY2022 lists, #89 in FY2024 and not on the FY2025 list; up 83 since FY2022.
95	Pd-Rx Pharmaceuticals, Inc. Top agencies VA (Department of Veterans Affairs)	$459,102	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
96	Lovell Government Services LLC Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$438,971	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 185 since FY2022.
97	SZY Holdings, LLC Top agencies DLA (Defense Logistics Agency)	$436,105	<0.1%	Rank history: not on the FY2021 list, #98 in FY2022, not on the FY2024 list and #78 in FY2025; up 1 since FY2022.
98	Hygen Pharmaceuticals Inc. Top agencies VA (Department of Veterans Affairs)	$433,014	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 8 since FY2022.
99	Palmetto Isotopes, LLC Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$416,020	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 91 since FY2022.
100	University of Oklahoma Top agencies VA (Department of Veterans Affairs)	$402,256	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 25 since FY2022.

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100 of 307 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 $12.9 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 2023 ran Oct 1, 2022 – Sep 30, 2023. 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 FY2022. "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 FY2022 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 325412 contractors in FY2023?

1. Mckesson Corporation ($9.62B), 2. Pfizer Inc. ($1.98B), 3. Osang LLC ($237M), 4. Emergent Biosolutions Inc. ($133M), 5. Bavarian Nordic A / S ($126M), 6. Danaher Corporation ($94.8M), 7. Government of the United States ($80.6M), 8. Phlow Corp. ($50.6M), 9. Teva Pharmaceutical Industries Ltd. ($36.1M), 10. SANOFI ($35.1M).

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