Top 100 Contractors in NAICS 325: Chemical Manufacturing, FY2024

Name: Top 100 Contractors in NAICS 325: Chemical Manufacturing, FY2024
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2023 – Sep 30, 2024 Code page on GovTribe

The top 10 won 77% of FY2024 NAICS 325 contract dollars

Contract obligations: $18,639,149,965 Net of deobligations, by contracts coded NAICS 325 or a code under it
Contractors: 2,289 Parent companies with an obligation
Largest contractor: McKesson Corporation $8.38 billion, 41.9% 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	McKesson Corporation 12 awardees, including Mckesson Medical-Surgical Government Solutions LLC, Mckesson Specialty Care Distribution LLC and Mckesson Medical-Surgical Inc. Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) HHS (Department of Health and Human Services)	$8,382,371,545	41.9%	Rank history: #2 in FY2021, #2 in FY2022, #1 in FY2023 and #1 in FY2025; unchanged since FY2023.
2	Cencora, Inc. 4 awardees, including Amerisourcebergen Drug Corp and ASD Specialty Healthcare, LLC Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs)	$2,944,700,402	14.7%	Rank history: #8 in FY2021, #14 in FY2022, #4 in FY2023 and #2 in FY2025; up 2 since FY2023.
3	Amerisourcebergen Corporation 3 awardees, including Amerisourcebergen Drug Corp and ASD Specialty Healthcare, LLC Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs)	$1,172,019,864	5.9%	Rank history: not on the FY2021 list, #39 in FY2022, #3 in FY2023 and not on the FY2025 list; unchanged since FY2023.
4	Canadian Commercial Corporation Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,066,442,730	5.3%	Rank history: not on the FY2021–FY2023 lists and #3 in FY2025; new.
5	Advanced Technology International Top agencies HHS (Department of Health and Human Services)	$501,155,622	2.5%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
6	Roche Diabetes Care Inc 2 awardees, including Genentech Usa, Inc. Top agencies HHS (Department of Health and Human Services) DOJ (Department of Justice)	$397,452,959	2.0%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 181 since FY2023.
7	Analytic Services Inc. Through Advanced Technology International Top agencies HHS (Department of Health and Human Services)	$270,999,520	1.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
8	Perimeter Solutions LP 2 awardees Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$267,665,540	1.3%	Rank history: #47 in FY2021, #52 in FY2022, #69 in FY2023 and #5 in FY2025; up 61 since FY2023.
9	Bavarian Nordic A / S Top agencies HHS (Department of Health and Human Services)	$222,920,840	1.1%	Rank history: #17 in FY2021, #15 in FY2022, #17 in FY2023 and #9 in FY2025; up 8 since FY2023.
10	Parkdale Advanced Materials Inc. Top agencies HHS (Department of Health and Human Services)	$187,360,720	0.9%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
11	BAE Systems 3 awardees, including BAE Systems Ordnance Systems Inc. and BAE Systems Surface Ships Limited Top agencies Army (Department of the Army) Navy (Department of the Navy) NASA (National Aeronautics and Space Administration)	$157,881,871	0.8%	Rank history: not on the FY2021–FY2023 lists and #6 in FY2025; new.
12	Merck & Co. Inc. Through Merck Sharp & Dohme LLC Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$153,754,433	0.8%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
13	Air Products and Chemicals, Inc. Top agencies NASA (National Aeronautics and Space Administration) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$133,585,190	0.7%	Rank history: #34 in FY2021, #28 in FY2022, #12 in FY2023 and #14 in FY2025; down 1 since FY2023.
14	Mid-America Conversion Services, LLC Top agencies DOE (Department of Energy)	$131,041,286	0.7%	Rank history: #14 in FY2021, #19 in FY2022, #16 in FY2023 and #13 in FY2025; up 2 since FY2023.
15	High Noon Unlimited Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$123,488,638	0.6%	Rank history: not on the FY2021–FY2022 lists, #23 in FY2023 and #44 in FY2025; up 8 since FY2023.
16	Emergent Biosolutions Canada Inc. Top agencies HHS (Department of Health and Human Services)	$122,975,784	0.6%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
17	Emergent Biosolutions Inc. 2 awardees, including Emergent Product Development Gaithersburg Inc. and Emergent Biodefense Operations Lansing LLC Top agencies HHS (Department of Health and Human Services) Army (Department of the Army)	$120,957,530	0.6%	Rank history: not on the FY2021–FY2023 lists and #8 in FY2025; new.
18	Northrop Grumman Corporation 5 awardees, including Northrop Grumman Systems Corporation, Alliant Techsystems Operations LLC and Remotec, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$100,387,252	0.5%	Rank history: #42 in FY2021, not on the FY2022 list, #62 in FY2023 and #10 in FY2025; up 44 since FY2023.
19	Phlow Corp. Top agencies HHS (Department of Health and Human Services)	$91,119,397	0.5%	Rank history: not on the FY2021 list, #22 in FY2022, #31 in FY2023 and #73 in FY2025; up 12 since FY2023.
20	Government of the United States 3 awardees, including DLA Troop Support and DLA Document Services Top agencies HHS (Department of Health and Human Services) DHS (Department of Homeland Security)	$82,624,022	0.4%	Rank history: #31 in FY2021, #24 in FY2022, #22 in FY2023 and #15 in FY2025; up 2 since FY2023.
21	BWX Technologies, Inc. 2 awardees, including Nuclear Fuel Services Inc. and Bwxt Nuclear Operations Group, Inc. Top agencies DOE (Department of Energy)	$74,041,448	0.4%	Rank history: not on the FY2021 list, #51 in FY2022, #18 in FY2023 and #21 in FY2025; down 3 since FY2023.
22	Arctic Slope Regional Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$73,536,051	0.4%	Rank history: not on the FY2021–FY2023 lists and #11 in FY2025; new.
23	Nighthawk Biosciences, Inc. Through Elusys Therapeutics Inc. Top agencies HHS (Department of Health and Human Services)	$69,164,064	0.3%	Rank history: not on the FY2021–FY2023 lists and #24 in FY2025; new.
24	Glaxosmithkline LLC 3 awardees Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) DLA (Defense Logistics Agency)	$62,771,813	0.3%	Rank history: #9 in FY2021, #7 in FY2022, not on the FY2023 list and #38 in FY2025; up 86 since FY2023.
25	Killinchy Aerospace Holdings Limited Through Martin-Baker Aircraft Company Limited Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$60,096,571	0.3%	Rank history: not on the FY2021–FY2022 lists, #35 in FY2023 and #20 in FY2025; up 10 since FY2023.
26	Nammo Perry Inc. Top agencies Army (Department of the Army)	$58,658,483	0.3%	Rank history: not on the FY2021–FY2023 lists and #19 in FY2025; new.
27	Alvogen Group Inc. Through Alvogen, Inc. Top agencies HHS (Department of Health and Human Services)	$57,099,988	0.3%	Rank history: not on the FY2021–FY2023 lists and #7 in FY2025; new.
28	Roche Holdings Inc. 2 awardees, including Genentech Usa, Inc. Top agencies HHS (Department of Health and Human Services) DLA (Defense Logistics Agency)	$50,952,878	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
29	Ensign-Bickford Industries Inc. Through Ensign-Bickford Aerospace & Defense Company Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$46,267,827	0.2%	Rank history: not on the FY2021–FY2023 lists and #29 in FY2025; new.
30	Kilgore Flares Company LLC 3 awardees, including Alloy Surfaces Co Inc. and Chemring Energetic Devices Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$44,457,582	0.2%	Rank history: not on the FY2021 list, #34 in FY2022, #32 in FY2023 and #39 in FY2025; up 2 since FY2023.
31	Meridian Medical Technologies LLC Top agencies HHS (Department of Health and Human Services) DOS (Department of State)	$39,095,170	0.2%	Rank history: not on the FY2021–FY2023 lists and #26 in FY2025; new.
32	Chemring Group PLC 3 awardees, including Chemring Australia PTY Ltd and Chemring Energetic Devices Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$38,499,730	0.2%	Rank history: #13 in FY2021, #21 in FY2022, #20 in FY2023 and not on the FY2025 list; down 12 since FY2023.
33	Fortive Corporation 2 awardees, including Pacific Scientific Energetic Materials Company (California Llc) Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) NASA (National Aeronautics and Space Administration)	$38,148,718	0.2%	Rank history: not on the FY2021–FY2023 lists and #17 in FY2025; new.
34	Sanofi Pasteur Inc. 2 awardees, including Sanofi Vaccines US Inc. Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) DLA (Defense Logistics Agency)	$35,030,992	0.2%	Rank history: not on the FY2021–FY2023 lists and #30 in FY2025; new.
35	DMS Pharmaceutical Group Inc. Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs)	$34,040,200	0.2%	Rank history: #26 in FY2021, #30 in FY2022, #43 in FY2023 and #43 in FY2025; up 8 since FY2023.
36	Teva Pharmaceuticals Usa, Inc. Top agencies DLA (Defense Logistics Agency)	$32,713,775	0.2%	Rank history: not on the FY2021–FY2023 lists and #31 in FY2025; new.
37	Lantheus Holdings, Inc. 2 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)	$28,180,072	0.1%	Rank history: not on the FY2021 list, #68 in FY2022, #50 in FY2023 and #36 in FY2025; up 13 since FY2023.
38	Danaher Corporation 8 awardees, including Cepheid, Leica Microsystems Inc. and Beckman Coulter, Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) Army (Department of the Army)	$27,557,350	0.1%	Rank history: #19 in FY2021, #18 in FY2022, #15 in FY2023 and #32 in FY2025; down 23 since FY2023.
39	Atlantic Trading LLC Top agencies HHS (Department of Health and Human Services)	$26,640,809	0.1%	Rank history: not on the FY2021 list, #91 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
40	Seqirus Inc. Top agencies HHS (Department of Health and Human Services)	$25,692,481	0.1%	Rank history: #39 in FY2021, not on the FY2022–FY2023 lists and #79 in FY2025; returned.
41	Cardinal Health, Inc. 10 awardees, including Cardinal Health 414, LLC, Cardinal Health 200, LLC and Cardinal Health 108, LLC Top agencies VA (Department of Veterans Affairs) DLA (Defense Logistics Agency) DHA (Defense Health Agency)	$25,453,739	0.1%	Rank history: #46 in FY2021, #44 in FY2022, #38 in FY2023 and #34 in FY2025; down 3 since FY2023.
42	Sicpa Holding SA Through Sicpa Securink Corp Top agencies Treasury (Department of the Treasury)	$24,982,835	0.1%	Rank history: #27 in FY2021, #25 in FY2022, #44 in FY2023 and not on the FY2025 list; up 2 since FY2023.
43	Seqirus USA Inc. Top agencies DLA (Defense Logistics Agency) HHS (Department of Health and Human Services)	$24,389,150	0.1%	Rank history: not on the FY2021–FY2023 lists and #57 in FY2025; new.
44	Novartis AG 2 awardees, including Advanced Accelerator Applications USA Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) DHA (Defense Health Agency)	$24,171,222	0.1%	Rank history: #91 in FY2021, #93 in FY2022, #54 in FY2023 and not on the FY2025 list; up 10 since FY2023.
45	VALNEVA Through Valneva Usa, Inc. Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$23,101,995	0.1%	Rank history: #29 in FY2021, #50 in FY2022, #76 in FY2023 and not on the FY2025 list; up 31 since FY2023.
46	R. Stresau Laboratory, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$22,219,814	0.1%	Rank history: not on the FY2021–FY2023 lists and #68 in FY2025; up 256 since FY2023.
47	Partner Therapeutics, Inc. Top agencies HHS (Department of Health and Human Services)	$22,201,974	0.1%	Rank history: not on the FY2021 list, #31 in FY2022, #53 in FY2023 and #33 in FY2025; up 6 since FY2023.
48	Automotive & Industrial Supply, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$21,004,255	0.1%	Rank history: #61 in FY2021, not on the FY2022 list, #74 in FY2023 and #59 in FY2025; up 26 since FY2023.
49	Lonza Walkersville Inc. 2 awardees, including Calca Solutions, LLC Top agencies DLA (Defense Logistics Agency) HHS (Department of Health and Human Services)	$19,631,538	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
50	HID Global Corp Top agencies DHS (Department of Homeland Security)	$18,620,000	0.1%	Rank history: not on the FY2021–FY2022 lists, #61 in FY2023 and #47 in FY2025; up 11 since FY2023.
51	RTX Corporation 11 awardees, including Rockwell Collins, Inc., Kidde Technologies, Inc. and Goodrich Corporation Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$18,326,223	0.1%	Rank history: #41 in FY2021, #38 in FY2022, #49 in FY2023 and #89 in FY2025; down 2 since FY2023.
52	American Sanitary Products Inc. Top agencies HHS (Department of Health and Human Services) DOJ (Department of Justice) GSA (General Services Administration)	$18,024,480	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 209 since FY2023.
53	Sicpa Securink Corp. Top agencies Treasury (Department of the Treasury)	$17,603,008	0.1%	Rank history: not on the FY2021–FY2023 lists and #28 in FY2025; new.
54	Goex Industries LLC Top agencies Army (Department of the Army)	$17,235,626	0.1%	Rank history: not on the FY2021–FY2023 lists and #45 in FY2025; new.
55	(Rc) 2 Pharma Connect L.L.C. Top agencies DLA (Defense Logistics Agency)	$16,793,122	0.1%	Rank history: not on the FY2021–FY2022 lists, #97 in FY2023 and #71 in FY2025; up 42 since FY2023.
56	Valneva USA Inc. Top agencies DLA (Defense Logistics Agency) HHS (Department of Health and Human Services) DOS (Department of State)	$16,289,583	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
57	Government of Canada 2 awardees, including Canadian Commercial Corporation and National Research Council Canada Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) Commerce (Department of Commerce)	$15,154,462	0.1%	Rank history: #20 in FY2021, #16 in FY2022, #5 in FY2023 and not on the FY2025 list; down 52 since FY2023.
58	Biocryst Pharmaceuticals Inc. Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$14,958,069	0.1%	Rank history: #94 in FY2021, #85 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
59	Roche Holding AG 3 awardees, including Roche Diagnostics Corporation Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) Army (Department of the Army)	$14,828,479	0.1%	Rank history: #49 in FY2021, #9 in FY2022, #19 in FY2023 and not on the FY2025 list; down 40 since FY2023.
60	Specialized Materials and Chemicals, LLC Top agencies Army (Department of the Army)	$14,475,240	0.1%	Rank history: not on the FY2021–FY2022 lists, #87 in FY2023 and not on the FY2025 list; up 27 since FY2023.
61	Luxfer Magtech Inc. Top agencies DLA (Defense Logistics Agency)	$14,190,640	0.1%	Rank history: not on the FY2021–FY2023 lists and #66 in FY2025; new.
62	Compagnie Merieux Alliance 2 awardees, including Biofire Diagnostics LLC and Biomerieux Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) Army (Department of the Army)	$13,696,432	0.1%	Rank history: #48 in FY2021, #54 in FY2022, #51 in FY2023 and not on the FY2025 list; down 11 since FY2023.
63	IMI Systems Ltd Top agencies Navy (Department of the Navy)	$13,627,163	0.1%	Rank history: not on the FY2021–FY2023 lists and #80 in FY2025; new.
64	Drew Marine USA Inc. Top agencies Navy (Department of the Navy) DOT (Department of Transportation) DLA (Defense Logistics Agency)	$13,238,448	0.1%	Rank history: not on the FY2021–FY2023 lists and #49 in FY2025; new.
65	Alphapointe Top agencies VA (Department of Veterans Affairs)	$13,004,969	0.1%	Rank history: not on the FY2021–FY2023 lists and #60 in FY2025; up 64 since FY2023.
66	Advanced Accelerator Applications USA Inc. Top agencies VA (Department of Veterans Affairs)	$12,969,775	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
67	MP Materials Corp. Through MP Mine Operations LLC Top agencies DLA (Defense Logistics Agency)	$12,488,423	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
68	Messer North America Inc. 3 awardees, including Messer LLC, Linde GMBH and Linde Gas Espana, S.A. Top agencies NASA (National Aeronautics and Space Administration) DOI (Department of the Interior) DLA (Defense Logistics Agency)	$11,934,473	0.1%	Rank history: not on the FY2021–FY2023 lists and #40 in FY2025; new.
69	Scioteq LLC 3 awardees, including Armtec Countermeasures Co, Breeze-Eastern LLC and Kirkhill, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$11,850,119	0.1%	Rank history: not on the FY2021–FY2023 lists and #37 in FY2025; new.
70	Linde LLC 3 awardees, including Messer LLC and Messer Gas Puerto Rico Inc. Top agencies NASA (National Aeronautics and Space Administration) DMEA (Defense Microelectronics Activity) DLA (Defense Logistics Agency)	$11,810,098	0.1%	Rank history: #74 in FY2021, #63 in FY2022, #46 in FY2023 and #92 in FY2025; down 24 since FY2023.
71	Indivior Inc. Top agencies HHS (Department of Health and Human Services)	$11,190,536	0.1%	Rank history: not on the FY2021–FY2023 lists and #70 in FY2025; new.
72	RAS Enterprises LLC Top agencies VA (Department of Veterans Affairs) DOE (Department of Energy) DHA (Defense Health Agency)	$11,174,112	0.1%	Rank history: #73 in FY2021, #78 in FY2022, #82 in FY2023 and #54 in FY2025; up 10 since FY2023.
73	Baxter Healthcare Corporation Top agencies HHS (Department of Health and Human Services) DLA (Defense Logistics Agency) VA (Department of Veterans Affairs)	$10,486,221	0.1%	Rank history: not on the FY2021–FY2023 lists and #93 in FY2025; new.
74	Accurate Energetic Systems, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$10,446,317	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 47 since FY2023.
75	FFF Enterprises, Inc. Top agencies VA (Department of Veterans Affairs) DOI (Department of the Interior)	$10,112,508	0.1%	Rank history: not on the FY2021–FY2023 lists and #91 in FY2025; new.
76	Siga Technologies, Inc. Top agencies Army (Department of the Army)	$10,091,475	0.1%	Rank history: not on the FY2021 list, #71 in FY2022, not on the FY2023 list and not on the FY2025 list; up 26 since FY2023.
77	PPG Architectural Finishes, Inc. Top agencies Navy (Department of the Navy)	$9,638,973	<0.1%	Rank history: not on the FY2021–FY2023 lists and #62 in FY2025; new.
78	Cartridge Actuated Devices Inc. 2 awardees Top agencies Navy (Department of the Navy)	$9,630,345	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
79	Hologic, Inc. 2 awardees, including Hologic Sales and Service, LLC Top agencies DHA (Defense Health Agency) VA (Department of Veterans Affairs) Army (Department of the Army)	$9,611,321	<0.1%	Rank history: #67 in FY2021, #69 in FY2022, #94 in FY2023 and not on the FY2025 list; up 15 since FY2023.
80	Access Products Inc. Top agencies GSA (General Services Administration) DHS (Department of Homeland Security) USAF (Department of the Air Force)	$9,275,862	<0.1%	Rank history: #92 in FY2021, #86 in FY2022, #78 in FY2023 and #82 in FY2025; down 2 since FY2023.
81	Mission Systems Davenport Inc. Top agencies Navy (Department of the Navy)	$8,835,070	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
82	Airgas USA LLC 11 awardees Top agencies DLA (Defense Logistics Agency) DHA (Defense Health Agency) VA (Department of Veterans Affairs)	$8,772,507	<0.1%	Rank history: not on the FY2021–FY2022 lists, #60 in FY2023 and not on the FY2025 list; down 22 since FY2023.
83	Clean Harbors Inc. Through Clean Harbors Environmental Services Inc. Top agencies Navy (Department of the Navy)	$8,517,960	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
84	Boehringer Ingelheim Animal Health France Top agencies USDA (Department of Agriculture)	$8,375,000	<0.1%	Rank history: not on the FY2021–FY2023 lists and #95 in FY2025; new.
85	Gsms Inc. Through Golden State Medical Supply, Inc. Top agencies VA (Department of Veterans Affairs) DLA (Defense Logistics Agency)	$8,133,605	<0.1%	Rank history: #58 in FY2021, #87 in FY2022, #67 in FY2023 and not on the FY2025 list; down 18 since FY2023.
86	PPD Development LP 10 awardees, including Fisher Scientific Company L.L.C., Life Technologies Corporation and One Lambda, Inc. Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$8,081,238	<0.1%	Rank history: not on the FY2021–FY2023 lists and #87 in FY2025; up 151 since FY2023.
87	Sofie Biosciences, Inc. Through Sofie Co. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$7,933,411	<0.1%	Rank history: not on the FY2021 list, #81 in FY2022, #75 in FY2023 and not on the FY2025 list; down 12 since FY2023.
88	Boehringer Ingelheim Animal Health USA Inc Top agencies USDA (Department of Agriculture)	$7,683,804	<0.1%	Rank history: not on the FY2021–FY2023 lists and #81 in FY2025; up 15 since FY2023.
89	RCG of North Carolina, LLC Top agencies VA (Department of Veterans Affairs) Commerce (Department of Commerce) DHA (Defense Health Agency)	$6,866,061	<0.1%	Rank history: not on the FY2021–FY2023 lists and #74 in FY2025; up 15 since FY2023.
90	CCI Capco, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$6,751,132	<0.1%	Rank history: #89 in FY2021, #65 in FY2022, #85 in FY2023 and not on the FY2025 list; down 5 since FY2023.
91	Siemens Aktiengesellschaft 4 awardees, including Siemens Healthcare Diagnostics Inc., Petnet Solutions, Inc. and Siemens Healthcare SL. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$6,467,147	<0.1%	Rank history: #85 in FY2021, #11 in FY2022, #93 in FY2023 and not on the FY2025 list; up 2 since FY2023.
92	Chemring Energetic Devices Inc. Top agencies USAF (Department of the Air Force)	$6,282,478	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
93	Pharmacy Buying Association, Inc. Top agencies VA (Department of Veterans Affairs)	$6,103,808	<0.1%	Rank history: #88 in FY2021, #83 in FY2022, #72 in FY2023 and not on the FY2025 list; down 21 since FY2023.
94	Teva Pharmaceutical Industries Ltd. Through Teva Pharmaceuticals Usa, Inc. Top agencies DLA (Defense Logistics Agency)	$5,802,481	<0.1%	Rank history: #37 in FY2021, #43 in FY2022, #40 in FY2023 and not on the FY2025 list; down 54 since FY2023.
95	Pyrotechnique By Grucci Inc. Top agencies Army (Department of the Army)	$5,728,589	<0.1%	Rank history: not on the FY2021–FY2023 lists and #69 in FY2025; new.
96	Government Sales, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) VA (Department of Veterans Affairs)	$5,633,414	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 10 since FY2023.
97	ASE Direct, Inc. Top agencies VA (Department of Veterans Affairs) DLA (Defense Logistics Agency)	$5,628,148	<0.1%	Rank history: #82 in FY2021, #95 in FY2022, #92 in FY2023 and not on the FY2025 list; down 5 since FY2023.
98	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)	$5,594,103	<0.1%	Rank history: #83 in FY2021, not on the FY2022 list, #68 in FY2023 and not on the FY2025 list; down 30 since FY2023.
99	Science Applications International Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$5,372,597	<0.1%	Rank history: #54 in FY2021, #48 in FY2022, #36 in FY2023 and not on the FY2025 list; down 63 since FY2023.
100	Artemis Technologies Inc. Top agencies USDA (Department of Agriculture)	$5,335,318	<0.1%	Rank history: not on the FY2021–FY2023 lists and #76 in FY2025; new.

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100 of 2,289 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 325

Code	Net obligations	Largest contractor
3254 Pharmaceutical and Medicine Manufacturing	$15,472,949,835	McKesson Corporation
3259 Other Chemical Product and Preparation Manufacturing	$2,357,497,985	Canadian Commercial Corporation
3251 Basic Chemical Manufacturing	$558,310,111	Air Products and Chemicals, Inc.
3255 Paint, Coating, and Adhesive Manufacturing	$151,105,013	Arctic Slope Regional Corporation
3252 Resin, Synthetic Rubber, and Artificial and Synthetic Fibers and Filaments Manufacturing	$60,835,056	Parkdale Advanced Materials Inc.
3256 Soap, Cleaning Compound, and Toilet Preparation Manufacturing	$20,442,941	Rite-Kem, Inc.
3253 Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing	$18,009,024	GMS Industrial Supply, Inc.

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 $20 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 2024 ran Oct 1, 2023 – Sep 30, 2024. 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 FY2023. "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 FY2023 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 325 contractors in FY2024?

1. McKesson Corporation ($8.38B), 2. Cencora, Inc. ($2.94B), 3. Amerisourcebergen Corporation ($1.17B), 4. Canadian Commercial Corporation ($1.07B), 5. Advanced Technology International ($501M), 6. Roche Diabetes Care Inc ($397M), 7. Analytic Services Inc. ($271M), 8. Perimeter Solutions LP ($268M), 9. Bavarian Nordic A / S ($223M), 10. Parkdale Advanced Materials Inc. ($187M).

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