Top 100 Contractors in NAICS 325: Chemical Manufacturing, FY2025

Name: Top 100 Contractors in NAICS 325: Chemical Manufacturing, FY2025
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

Parent companies by net contract obligations Oct 1, 2024 – Sep 30, 2025 Code page on GovTribe

The top 10 won 84% of FY2025 NAICS 325 contract dollars

Contract obligations: $22,370,187,999 Net of deobligations, by contracts coded NAICS 325 or a code under it
Contractors: 1,905 Parent companies with an obligation
Largest contractor: McKesson Corporation $11.9 billion, 50.4% of obligations
Data as of: Oct 23, 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 8 awardees, including Mckesson Specialty Distribution LLC, Biologics, Inc. 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)	$11,922,825,936	50.4%	Rank history: #2 in FY2021, #2 in FY2022, #1 in FY2023 and #1 in FY2024; unchanged since FY2024.
2	Cencora, Inc. 3 awardees, including Amerisourcebergen Drug Corp, ASD Specialty Healthcare, LLC and Theracom, L.L.C. Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$4,871,418,418	20.6%	Rank history: #8 in FY2021, #14 in FY2022, #4 in FY2023 and #2 in FY2024; unchanged since FY2024.
3	Canadian Commercial Corporation Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,185,545,123	5.0%	Rank history: not on the FY2021–FY2023 lists and #4 in FY2024; up 1 since FY2024.
4	Paligen Aerospace & Defense, LLC Top agencies Army (Department of the Army)	$652,500,000	2.8%	Rank history: not on the FY2021–FY2024 lists; new.
5	Perimeter Solutions LP Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$297,311,939	1.3%	Rank history: #47 in FY2021, #52 in FY2022, #69 in FY2023 and #8 in FY2024; up 3 since FY2024.
6	BAE Systems 3 awardees, including BAE Systems Ordnance Systems Inc. and BAE Systems Surface Ships Limited Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$293,040,464	1.2%	Rank history: not on the FY2021–FY2023 lists and #11 in FY2024; up 5 since FY2024.
7	Alvogen Group Inc. Through Alvogen, Inc. Top agencies HHS (Department of Health and Human Services) DLA (Defense Logistics Agency)	$227,680,601	1.0%	Rank history: not on the FY2021–FY2023 lists and #27 in FY2024; up 20 since FY2024.
8	Emergent Biosolutions Inc. 3 awardees, including Emergent Biosolutions Canada Inc., 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)	$190,848,371	0.8%	Rank history: not on the FY2021–FY2023 lists and #17 in FY2024; up 9 since FY2024.
9	Bavarian Nordic A / S Top agencies HHS (Department of Health and Human Services)	$143,565,504	0.6%	Rank history: #17 in FY2021, #15 in FY2022, #17 in FY2023 and #9 in FY2024; unchanged since FY2024.
10	Northrop Grumman Systems Corporation 7 awardees, including Alliant Techsystems Operations LLC and Remotec, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) DHS (Department of Homeland Security)	$138,048,032	0.6%	Rank history: #42 in FY2021, not on the FY2022 list, #62 in FY2023 and #18 in FY2024; up 8 since FY2024.
11	Arctic Slope Regional Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$120,243,563	0.5%	Rank history: not on the FY2021–FY2023 lists and #22 in FY2024; up 11 since FY2024.
12	Chartwell RX LLC Top agencies HHS (Department of Health and Human Services) DLA (Defense Logistics Agency)	$115,144,505	0.5%	Rank history: not on the FY2021 list, #17 in FY2022, #80 in FY2023 and not on the FY2024 list; up 316 since FY2024.
13	Mid-America Conversion Services, LLC Top agencies DOE (Department of Energy)	$111,926,378	0.5%	Rank history: #14 in FY2021, #19 in FY2022, #16 in FY2023 and #14 in FY2024; up 1 since FY2024.
14	Air Products and Chemicals, Inc. Top agencies NASA (National Aeronautics and Space Administration) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$106,599,307	0.5%	Rank history: #34 in FY2021, #28 in FY2022, #12 in FY2023 and #13 in FY2024; down 1 since FY2024.
15	Government of the United States Through DLA Troop Support Top agencies HHS (Department of Health and Human Services)	$102,615,000	0.4%	Rank history: #31 in FY2021, #24 in FY2022, #22 in FY2023 and #20 in FY2024; up 5 since FY2024.
16	Fresenius Kabi, LLC Top agencies HHS (Department of Health and Human Services) DLA (Defense Logistics Agency)	$88,709,951	0.4%	Rank history: not on the FY2021–FY2024 lists; up 192 since FY2024.
17	Fortive Corporation 2 awardees, including Pacific Scientific Energetic Materials Company (California Llc) Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$74,821,206	0.3%	Rank history: not on the FY2021–FY2023 lists and #33 in FY2024; up 16 since FY2024.
18	Exelan Pharmaceuticals Inc. Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$74,799,434	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
19	Nammo AS Through Nammo Perry Inc. Top agencies Army (Department of the Army)	$72,282,778	0.3%	Rank history: #24 in FY2021, #80 in FY2022, #30 in FY2023 and not on the FY2024 list; returned.
20	Killinchy Aerospace Holdings Limited Through Martin-Baker Aircraft Company Limited Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$68,045,443	0.3%	Rank history: not on the FY2021–FY2022 lists, #35 in FY2023 and #25 in FY2024; up 5 since FY2024.
21	BWX Technologies, Inc. 2 awardees, including Nuclear Fuel Services Inc. and Bwxt Nuclear Operations Group, Inc. Top agencies DOE (Department of Energy)	$65,570,356	0.3%	Rank history: not on the FY2021 list, #51 in FY2022, #18 in FY2023 and #21 in FY2024; unchanged since FY2024.
22	Calca Solutions, LLC Top agencies DLA (Defense Logistics Agency)	$65,122,219	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
23	Airgas USA LLC 3 awardees Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) DHA (Defense Health Agency)	$56,451,637	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
24	Nighthawk Biosciences, Inc. Through Elusys Therapeutics Inc. Top agencies HHS (Department of Health and Human Services)	$55,273,060	0.2%	Rank history: not on the FY2021–FY2023 lists and #23 in FY2024; down 1 since FY2024.
25	Altitude Technologies Inc. Top agencies HHS (Department of Health and Human Services) DLA (Defense Logistics Agency)	$49,102,079	0.2%	Rank history: not on the FY2021–FY2024 lists; up 453 since FY2024.
26	Meridian Medical Technologies LLC Top agencies HHS (Department of Health and Human Services) Army (Department of the Army) DOS (Department of State)	$47,863,243	0.2%	Rank history: not on the FY2021–FY2023 lists and #31 in FY2024; up 5 since FY2024.
27	L3Harris Technologies, Inc. Through Bwxt Ordnance Tennessee, Inc. Top agencies DOE (Department of Energy)	$46,800,000	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
28	Sicpa Securink Corp. Top agencies Treasury (Department of the Treasury)	$43,462,324	0.2%	Rank history: not on the FY2021–FY2023 lists and #53 in FY2024; up 25 since FY2024.
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)	$43,236,252	0.2%	Rank history: not on the FY2021–FY2023 lists and #29 in FY2024; unchanged since FY2024.
30	Sanofi Pasteur Inc. 2 awardees, including Sanofi Vaccines US Inc. and Dynavax Technologies Corporation Top agencies HHS (Department of Health and Human Services) DLA (Defense Logistics Agency) DOS (Department of State)	$42,564,476	0.2%	Rank history: not on the FY2021–FY2023 lists and #34 in FY2024; up 4 since FY2024.
31	Danaher Corporation 10 awardees, including Cepheid, Beckman Coulter, Inc. and Beckman Coulter Gesellschaft MIT Beschraenkter Haftung Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) DHA (Defense Health Agency)	$42,124,202	0.2%	Rank history: #19 in FY2021, #18 in FY2022, #15 in FY2023 and #38 in FY2024; up 7 since FY2024.
32	Teva Pharmaceuticals Usa, Inc. Top agencies DLA (Defense Logistics Agency)	$40,181,258	0.2%	Rank history: not on the FY2021–FY2023 lists and #36 in FY2024; up 4 since FY2024.
33	Partner Therapeutics, Inc. Top agencies HHS (Department of Health and Human Services)	$39,113,908	0.2%	Rank history: not on the FY2021 list, #31 in FY2022, #53 in FY2023 and #47 in FY2024; up 14 since FY2024.
34	Cardinal Health, Inc. 5 awardees, including Cardinal Health 414, LLC, Cardinal Health 108, LLC and The Harvard Drug Group, L.L.C. Top agencies VA (Department of Veterans Affairs) DLA (Defense Logistics Agency) DHA (Defense Health Agency)	$37,690,412	0.2%	Rank history: #46 in FY2021, #44 in FY2022, #38 in FY2023 and #41 in FY2024; up 7 since FY2024.
35	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)	$35,534,324	0.2%	Rank history: not on the FY2021 list, #68 in FY2022, #50 in FY2023 and #37 in FY2024; up 2 since FY2024.
36	Tactair Fluid Controls Inc 2 awardees, including Armtec Countermeasures Co Top agencies Army (Department of the Army) Navy (Department of the Navy)	$32,346,575	0.1%	Rank history: not on the FY2021–FY2023 lists and #69 in FY2024; up 33 since FY2024.
37	Glaxosmithkline, LLC Top agencies HHS (Department of Health and Human Services) DOS (Department of State) DOJ (Department of Justice)	$29,884,339	0.1%	Rank history: #9 in FY2021, #7 in FY2022, not on the FY2023 list and #24 in FY2024; down 13 since FY2024.
38	CHG Group Inc 3 awardees, including Chemring Energetic Devices Inc., Kilgore Flares Company LLC and Alloy Surfaces Co Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$28,652,606	0.1%	Rank history: not on the FY2021 list, #34 in FY2022, #32 in FY2023 and #30 in FY2024; down 8 since FY2024.
39	Messer North America Inc. 4 awardees, including Messer LLC, Linde Gas Espana, S.A. and Messer Gas Puerto Rico Inc. Top agencies NASA (National Aeronautics and Space Administration) DLA (Defense Logistics Agency) VA (Department of Veterans Affairs)	$26,224,825	0.1%	Rank history: not on the FY2021–FY2023 lists and #68 in FY2024; up 29 since FY2024.
40	Biofire Defense LLC 6 awardees, including Biomerieux Inc., Biofire Diagnostics LLC and Biomerieux Deutschland GMBH Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) Army (Department of the Army)	$26,069,493	0.1%	Rank history: not on the FY2021–FY2024 lists; up 86 since FY2024.
41	Rafa Laboratories Ltd Top agencies HHS (Department of Health and Human Services)	$20,946,416	0.1%	Rank history: #51 in FY2021 and not on the FY2022–FY2024 lists; returned.
42	Novartis Pharmaceuticals Corporation 2 awardees, including Advanced Accelerator Applications USA Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) DHA (Defense Health Agency)	$20,344,041	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
43	PPG Industries, Inc. 9 awardees, including PPG Architectural Finishes, Inc., PRC - Desoto International, Inc. and Texstars LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$19,902,701	0.1%	Rank history: #62 in FY2021, #57 in FY2022, #57 in FY2023 and not on the FY2024 list; up 59 since FY2024.
44	DMS Pharmaceutical Group Inc. Top agencies DLA (Defense Logistics Agency)	$19,376,703	0.1%	Rank history: #26 in FY2021, #30 in FY2022, #43 in FY2023 and #35 in FY2024; down 9 since FY2024.
45	High Noon Unlimited Inc. Top agencies Army (Department of the Army)	$19,279,984	0.1%	Rank history: not on the FY2021–FY2022 lists, #23 in FY2023 and #15 in FY2024; down 30 since FY2024.
46	Voyager Energetics, Inc. Through Goex Industries LLC Top agencies Army (Department of the Army)	$17,244,292	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
47	Sagent Pharmaceuticals Inc. Top agencies HHS (Department of Health and Human Services) DLA (Defense Logistics Agency)	$16,741,169	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
48	Norsheild Holdings LLC Through Hid Global Corp Top agencies DHS (Department of Homeland Security)	$16,049,264	0.1%	Rank history: not on the FY2021–FY2022 lists, #61 in FY2023 and #50 in FY2024; up 2 since FY2024.
49	Combined Systems Inc. Top agencies Army (Department of the Army) DOJ (Department of Justice)	$15,782,572	0.1%	Rank history: not on the FY2021–FY2022 lists, #95 in FY2023 and not on the FY2024 list; returned.
50	Drew Marine USA Inc. Top agencies Navy (Department of the Navy) DOT (Department of Transportation)	$15,598,925	0.1%	Rank history: not on the FY2021–FY2023 lists and #64 in FY2024; up 14 since FY2024.
51	Bayer Aktiengesellschaft Through Bayer Healthcare Pharmaceuticals Inc. Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) DLA (Defense Logistics Agency)	$15,579,918	0.1%	Rank history: not on the FY2021–FY2022 lists, #99 in FY2023 and not on the FY2024 list; returned.
52	3M Company Top agencies DOE (Department of Energy) DLA (Defense Logistics Agency)	$15,359,855	0.1%	Rank history: not on the FY2021–FY2024 lists; up 65 since FY2024.
53	Hudson Technologies Company Top agencies DLA (Defense Logistics Agency)	$14,015,819	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
54	UDC USA Inc. Top agencies Army (Department of the Army)	$13,878,743	0.1%	Rank history: not on the FY2021–FY2024 lists; up 226 since FY2024.
55	RAS Enterprises LLC Top agencies VA (Department of Veterans Affairs) DOE (Department of Energy) HHS (Department of Health and Human Services)	$13,593,435	0.1%	Rank history: #73 in FY2021, #78 in FY2022, #82 in FY2023 and #72 in FY2024; up 17 since FY2024.
56	Mason Electric Co. Through Armtec Countermeasures Co Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$13,376,958	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
57	Linde Engineering North America LLC 2 awardees, including Linde Korea Co., Ltd Top agencies NASA (National Aeronautics and Space Administration) DLA (Defense Logistics Agency)	$13,131,497	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
58	Seqirus USA Inc. Top agencies HHS (Department of Health and Human Services) DLA (Defense Logistics Agency) VA (Department of Veterans Affairs)	$13,084,736	0.1%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2024; down 15 since FY2024.
59	Sofie Co. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$12,333,426	0.1%	Rank history: not on the FY2021–FY2024 lists; up 117 since FY2024.
60	Automotive & Industrial Supply, LLC Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency) Army (Department of the Army)	$12,127,818	0.1%	Rank history: #61 in FY2021, not on the FY2022 list, #74 in FY2023 and #48 in FY2024; down 12 since FY2024.
61	Alphapointe Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$12,085,509	0.1%	Rank history: not on the FY2021–FY2023 lists and #65 in FY2024; up 4 since FY2024.
62	Coherus Oncology, Inc. Top agencies HHS (Department of Health and Human Services)	$11,805,200	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
63	Nammo Pocal Inc. Through Nammo Defense Systems Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$11,468,040	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 79 since FY2024.
64	Biomerieux Inc. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) USDA (Department of Agriculture)	$11,274,530	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 50 since FY2024.
65	General Dynamics Corporation 5 awardees, including ST. Marks Powder, Inc., General Dynamics Mission Systems, Inc. and General Dynamics Land Systems - Canada Corporation Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$11,162,334	<0.1%	Rank history: #70 in FY2021, not on the FY2022 list, #71 in FY2023 and not on the FY2024 list; up 118 since FY2024.
66	United Terex, Inc. Top agencies Navy (Department of the Navy)	$10,803,390	<0.1%	Rank history: not on the FY2021–FY2022 lists, #96 in FY2023 and not on the FY2024 list; returned.
67	Luxfer Magtech Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$10,650,750	<0.1%	Rank history: not on the FY2021–FY2023 lists and #61 in FY2024; down 6 since FY2024.
68	Blue Star NBR LLC Top agencies HHS (Department of Health and Human Services)	$10,000,000	<0.1%	Rank history: #16 in FY2021 and not on the FY2022–FY2024 lists; returned.
69	R. Stresau Laboratory, Inc. Top agencies Army (Department of the Army)	$9,884,004	<0.1%	Rank history: not on the FY2021–FY2023 lists and #46 in FY2024; down 23 since FY2024.
70	Linde Inc. 4 awardees, including Linde Gas & Equipment Inc., Nexair LLC and Middlesex Gases & Technologies, Inc. Top agencies NASA (National Aeronautics and Space Administration) DLA (Defense Logistics Agency) Army (Department of the Army)	$9,798,982	<0.1%	Rank history: #74 in FY2021, #63 in FY2022, #46 in FY2023 and #70 in FY2024; unchanged since FY2024.
71	Pyrotechnique By Grucci Inc. Top agencies Army (Department of the Army)	$9,642,850	<0.1%	Rank history: not on the FY2021–FY2023 lists and #95 in FY2024; up 24 since FY2024.
72	Airgas Inc. 9 awardees, including Airgas USA LLC, Airgas Carbonic, Inc. and Air Liquide Italia Service S.R.L. Top agencies DLA (Defense Logistics Agency) Commerce (Department of Commerce) DHA (Defense Health Agency)	$9,342,662	<0.1%	Rank history: #59 in FY2021, #60 in FY2022 and not on the FY2023–FY2024 lists; up 300 since FY2024.
73	Indivior Inc. Top agencies HHS (Department of Health and Human Services) DOJ (Department of Justice)	$9,332,650	<0.1%	Rank history: not on the FY2021–FY2023 lists and #71 in FY2024; down 2 since FY2024.
74	(Rc) 2 Pharma Connect L.L.C. Top agencies DLA (Defense Logistics Agency)	$8,424,625	<0.1%	Rank history: not on the FY2021–FY2022 lists, #97 in FY2023 and #55 in FY2024; down 19 since FY2024.
75	Siemens Corporation 3 awardees, including Petnet Solutions, Inc., Siemens Healthcare Diagnostics Inc. and Siemens Medical Solutions Usa, Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$8,421,649	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 122 since FY2024.
76	Phlow Corp. Top agencies HHS (Department of Health and Human Services)	$8,366,747	<0.1%	Rank history: not on the FY2021 list, #22 in FY2022, #31 in FY2023 and #19 in FY2024; down 57 since FY2024.
77	RCG of North Carolina, LLC Top agencies VA (Department of Veterans Affairs) Commerce (Department of Commerce) DHA (Defense Health Agency)	$8,255,869	<0.1%	Rank history: not on the FY2021–FY2023 lists and #89 in FY2024; up 12 since FY2024.
78	Heyltex Corporation Top agencies HHS (Department of Health and Human Services)	$8,099,930	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
79	Artemis Technologies Inc. Top agencies USDA (Department of Agriculture)	$8,054,662	<0.1%	Rank history: not on the FY2021–FY2023 lists and #100 in FY2024; up 21 since FY2024.
80	Golden State Medical Supply, Inc. Top agencies VA (Department of Veterans Affairs) DLA (Defense Logistics Agency)	$7,909,234	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
81	Seqirus Inc. Top agencies HHS (Department of Health and Human Services)	$7,638,116	<0.1%	Rank history: #39 in FY2021, not on the FY2022–FY2023 lists and #40 in FY2024; down 41 since FY2024.
82	IMI Systems Ltd Top agencies Navy (Department of the Navy)	$7,612,325	<0.1%	Rank history: not on the FY2021–FY2023 lists and #63 in FY2024; down 19 since FY2024.
83	Boehringer Ingelheim Animal Health USA Inc Top agencies USDA (Department of Agriculture)	$7,597,312	<0.1%	Rank history: not on the FY2021–FY2023 lists and #88 in FY2024; up 5 since FY2024.
84	Access Products Inc. Top agencies GSA (General Services Administration) VA (Department of Veterans Affairs) Navy (Department of the Navy)	$7,590,697	<0.1%	Rank history: #92 in FY2021, #86 in FY2022, #78 in FY2023 and #80 in FY2024; down 4 since FY2024.
85	Abbott Laboratories Inc. 4 awardees, including Alere San Diego, Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) Army (Department of the Army)	$7,505,091	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 153 since FY2024.
86	Bristol-Myers Squibb Company Top agencies VA (Department of Veterans Affairs)	$7,291,703	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 45 since FY2024.
87	Pharmalogic Holdings Corp. 9 awardees, including Nuclear Diagnostic Products of Philadelphia, Inc., Mid-America Isotopes, Inc. and Nuclear Diagnostic Products, Inc. Top agencies VA (Department of Veterans Affairs)	$7,174,009	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 220 since FY2024.
88	Levison Enterprises LLC Top agencies Navy (Department of the Navy)	$7,116,689	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
89	Defense Energy Syndicate, LLC Top agencies DLA (Defense Logistics Agency)	$6,787,259	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 72 since FY2024.
90	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)	$6,682,847	<0.1%	Rank history: #67 in FY2021, #69 in FY2022, #94 in FY2023 and #79 in FY2024; down 11 since FY2024.
91	Thermo Fisher Scientific Inc. 7 awardees, including Fisher Scientific Company L.L.C., One Lambda, Inc. and Life Technologies Corporation Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) DHA (Defense Health Agency)	$6,496,995	<0.1%	Rank history: not on the FY2021–FY2023 lists and #86 in FY2024; down 5 since FY2024.
92	The American National Red Cross 2 awardees Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$6,420,078	<0.1%	Rank history: not on the FY2021 list, #98 in FY2022, #98 in FY2023 and not on the FY2024 list; up 46 since FY2024.
93	Boston Scientific Corp 2 awardees Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force) DHA (Defense Health Agency)	$6,379,712	<0.1%	Rank history: not on the FY2021–FY2022 lists, #84 in FY2023 and not on the FY2024 list; up 28 since FY2024.
94	RTX Corporation 5 awardees, including Rockwell Collins, Inc., Goodrich Corporation and Intertrade Limited Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$6,366,445	<0.1%	Rank history: #41 in FY2021, #38 in FY2022, #49 in FY2023 and #51 in FY2024; down 43 since FY2024.
95	Ezekiel Bahar Top agencies Army (Department of the Army) Navy (Department of the Navy)	$6,352,258	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
96	FFF Enterprises, Inc. Top agencies VA (Department of Veterans Affairs)	$6,350,104	<0.1%	Rank history: not on the FY2021–FY2023 lists and #75 in FY2024; down 21 since FY2024.
97	Baxter Healthcare Corporation Top agencies HHS (Department of Health and Human Services) DLA (Defense Logistics Agency) VA (Department of Veterans Affairs)	$5,687,649	<0.1%	Rank history: not on the FY2021–FY2023 lists and #73 in FY2024; down 24 since FY2024.
98	Octapharma USA Inc. Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$5,500,000	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
99	Boehringer Ingelheim Animal Health France Top agencies USDA (Department of Agriculture)	$5,480,000	<0.1%	Rank history: not on the FY2021–FY2023 lists and #84 in FY2024; down 15 since FY2024.
100	GMS Industrial Supply, Inc. 2 awardees, including Sanitz Enterprises, Inc. Top agencies GSA (General Services Administration) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$5,348,857	<0.1%	Rank history: not on the FY2021 list, #77 in FY2022, #83 in FY2023 and not on the FY2024 list; up 7 since FY2024.

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100 of 1,905 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	$18,157,293,078	McKesson Corporation
3259 Other Chemical Product and Preparation Manufacturing	$3,247,947,630	Canadian Commercial Corporation
3251 Basic Chemical Manufacturing	$677,141,231	Mid-America Conversion Services, LLC
3255 Paint, Coating, and Adhesive Manufacturing	$181,605,219	Arctic Slope Regional Corporation
3252 Resin, Synthetic Rubber, and Artificial and Synthetic Fibers and Filaments Manufacturing	$66,240,637	Norsheild Holdings LLC
3256 Soap, Cleaning Compound, and Toilet Preparation Manufacturing	$23,750,710	Morning Star Industries Inc.
3253 Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing	$16,209,494	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 $23.7 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. An awardee whose own actions mostly name no parent, and that no other company's actions name as their parent, rolls up its SAM.gov registration's chain of parent companies: it counts under the first company there that other companies' actions name as their parent, or under the parent most of a company's own actions name, whichever comes first; with neither, under the highest company in the chain with federal contracts of its own. Joint ventures stay companies of their own. 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 2025 ran Oct 1, 2024 – Sep 30, 2025. 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 FY2024. "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 FY2024 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 FY2025?

1. McKesson Corporation ($11.9B), 2. Cencora, Inc. ($4.87B), 3. Canadian Commercial Corporation ($1.19B), 4. Paligen Aerospace & Defense, LLC ($653M), 5. Perimeter Solutions LP ($297M), 6. BAE Systems ($293M), 7. Alvogen Group Inc. ($228M), 8. Emergent Biosolutions Inc. ($191M), 9. Bavarian Nordic A / S ($144M), 10. Northrop Grumman Systems Corporation ($138M).

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