Top 100 Contractors in NAICS 325: Chemical Manufacturing, FY2021

Name: Top 100 Contractors in NAICS 325: Chemical Manufacturing, FY2021
Creator: GovTribe

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

The top 10 won 92% of FY2021 NAICS 325 contract dollars

Contract obligations: $57,394,873,147 Net of deobligations, by contracts coded NAICS 325 or a code under it
Contractors: 2,234 Parent companies with an obligation
Largest contractor: Pfizer Inc. $23.1 billion, 39.5% 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	Pfizer Inc. 3 awardees, including Greenstone LLC Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) HHS (Department of Health and Human Services)	$23,135,362,935	39.5%	Rank history: #1 in FY2022, #2 in FY2023 and not on the FY2024–FY2025 lists; up 30 since FY2020.
2	Mckesson Corporation 9 awardees, including Mckesson Plasma and Biologics LLC, Mckesson Specialty Distribution LLC and Masters Drug Company, Inc. Top agencies VA (Department of Veterans Affairs) DLA (Defense Logistics Agency) DOJ (Department of Justice)	$11,700,888,945	20.0%	Rank history: #2 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; down 1 since FY2020.
3	Modernatx Inc. 2 awardees Top agencies Army (Department of the Army) HHS (Department of Health and Human Services)	$7,363,802,587	12.6%	Rank history: #4 in FY2022, #33 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2020.
4	Regeneron Pharmaceuticals Inc. Top agencies Army (Department of the Army) VA (Department of Veterans Affairs)	$5,565,148,165	9.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
5	ELI Lilly and Company Top agencies Army (Department of the Army)	$1,913,730,016	3.3%	Rank history: #3 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
6	Abbott Laboratories 8 awardees, including Abbott Rapid DX North America LLC, Abbott Molecular Inc. and Alere San Diego, Inc. Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs) Army (Department of the Army)	$1,663,247,245	2.8%	Rank history: #5 in FY2022, #8 in FY2023 and not on the FY2024–FY2025 lists; up 12 since FY2020.
7	Merck & Co. Inc. 2 awardees, including Merck Sharp & Dohme LLC Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) DOJ (Department of Justice)	$1,313,638,023	2.2%	Rank history: #8 in FY2022 and not on the FY2023–FY2025 lists; up 459 since FY2020.
8	Cencora, Inc. 7 awardees, including Amerisourcebergen Drug Corp, ASD Specialty Healthcare, LLC and US Bioservices Corporation Top agencies DLA (Defense Logistics Agency) HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$515,938,382	0.9%	Rank history: #14 in FY2022, #4 in FY2023, #2 in FY2024 and #2 in FY2025; down 4 since FY2020.
9	Glaxosmithkline LLC 2 awardees Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) DOS (Department of State)	$287,673,486	0.5%	Rank history: #7 in FY2022, not on the FY2023 list, #24 in FY2024 and #38 in FY2025; down 2 since FY2020.
10	Emergent Biosolutions Inc. 7 awardees, including Emergent Product Development Gaithersburg Inc., Emergent Biosolutions Canada Inc. and Emergent Devices, Inc. Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) DOS (Department of State)	$257,359,270	0.4%	Rank history: #20 in FY2022, #10 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2020.
11	Astrazeneca PLC 2 awardees, including Astrazeneca Pharmaceuticals LP Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$214,573,577	0.4%	Rank history: #12 in FY2022 and not on the FY2023–FY2025 lists; down 6 since FY2020.
12	Abbott Rapid DX North America LLC Top agencies DLA (Defense Logistics Agency) DOJ (Department of Justice)	$162,082,167	0.3%	Rank history: not on the FY2022–FY2025 lists; up 183 since FY2020.
13	Chemring Group PLC 4 awardees, including Kilgore Flares Company LLC, Alloy Surfaces Co Inc. and Chemring Australia PTY Ltd Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$157,193,984	0.3%	Rank history: #21 in FY2022, #20 in FY2023, #32 in FY2024 and not on the FY2025 list; down 3 since FY2020.
14	Mid-America Conversion Services, LLC Top agencies DOE (Department of Energy)	$127,944,659	0.2%	Rank history: #19 in FY2022, #16 in FY2023, #14 in FY2024 and #13 in FY2025; unchanged since FY2020.
15	Rhino Health, Inc. Top agencies USAF (Department of the Air Force)	$126,000,000	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
16	Blue Star NBR LLC Top agencies USAF (Department of the Air Force)	$123,120,000	0.2%	Rank history: not on the FY2022–FY2024 lists and #67 in FY2025; new, not ranked in FY2020.
17	Bavarian Nordic A / S Top agencies HHS (Department of Health and Human Services)	$95,497,600	0.2%	Rank history: #15 in FY2022, #17 in FY2023, #9 in FY2024 and #9 in FY2025; down 2 since FY2020.
18	Thermo Electron Corporation 14 awardees, including Remel Inc., Fisher Scientific Company L.L.C. and Life Technologies Corporation Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$86,460,801	0.1%	Rank history: #55 in FY2022, #66 in FY2023 and not on the FY2024–FY2025 lists; down 12 since FY2020.
19	Danaher Corporation 15 awardees, including Cepheid, Chemtreat, Inc. and Beckman Coulter, Inc. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) Army (Department of the Army)	$81,652,943	0.1%	Rank history: #18 in FY2022, #15 in FY2023, #38 in FY2024 and #32 in FY2025; up 16 since FY2020.
20	Government of Canada Through Canadian Commercial Corporation Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$81,142,412	0.1%	Rank history: #16 in FY2022, #5 in FY2023, #57 in FY2024 and not on the FY2025 list; down 1 since FY2020.
21	Quidel Corp 2 awardees Top agencies DLA (Defense Logistics Agency) HHS (Department of Health and Human Services) Army (Department of the Army)	$79,896,354	0.1%	Rank history: #10 in FY2022, #13 in FY2023 and not on the FY2024–FY2025 lists; up 57 since FY2020.
22	Orasure Technologies Inc. Top agencies DLA (Defense Logistics Agency) HHS (Department of Health and Human Services) DHA (Defense Health Agency)	$70,002,309	0.1%	Rank history: #13 in FY2022, #26 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
23	Continuus Pharmaceuticals, Inc. Top agencies USAF (Department of the Air Force)	$69,300,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
24	Nammo AS 3 awardees, including Nammo Perry Inc., Nammo Defense Systems Inc. and Nammo Energetics Indian Head Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$67,831,072	0.1%	Rank history: #80 in FY2022, #30 in FY2023 and not on the FY2024–FY2025 lists; up 37 since FY2020.
25	US Medical Glove Company L.L.C. Top agencies USAF (Department of the Air Force)	$63,612,248	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
26	DMS Pharmaceutical Group Inc. Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs)	$61,567,403	0.1%	Rank history: #30 in FY2022, #43 in FY2023, #35 in FY2024 and #43 in FY2025; down 3 since FY2020.
27	Sicpa Holding SA Through Sicpa Securink Corp Top agencies Treasury (Department of the Treasury)	$59,792,792	0.1%	Rank history: #25 in FY2022, #44 in FY2023, #42 in FY2024 and not on the FY2025 list; up 13 since FY2020.
28	Ortho-Clinical Diagnostics, Inc. 2 awardees Top agencies USAF (Department of the Air Force) Army (Department of the Army) VA (Department of Veterans Affairs)	$54,227,528	0.1%	Rank history: not on the FY2022–FY2025 lists; up 67 since FY2020.
29	Valneva Through Valneva Usa, Inc. Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$53,538,814	0.1%	Rank history: #50 in FY2022, #76 in FY2023, #45 in FY2024 and not on the FY2025 list; up 20 since FY2020.
30	Elusys Therapeutics Inc. Top agencies HHS (Department of Health and Human Services)	$50,027,140	0.1%	Rank history: #47 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
31	Government of the United States 2 awardees, including DLA Troop Support and Federal Acquisition Service Top agencies HHS (Department of Health and Human Services) DOJ (Department of Justice)	$49,668,750	0.1%	Rank history: #24 in FY2022, #22 in FY2023, #20 in FY2024 and #15 in FY2025; down 6 since FY2020.
32	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)	$48,494,279	0.1%	Rank history: #66 in FY2022, #27 in FY2023 and not on the FY2024–FY2025 lists; up 15 since FY2020.
33	Martin-Baker (ENGINEERING) Ltd Through Martin-Baker Aircraft Company Limited Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$42,980,395	0.1%	Rank history: #27 in FY2022, #64 in FY2023 and not on the FY2024–FY2025 lists; up 9 since FY2020.
34	Air Products and Chemicals, Inc. Top agencies NASA (National Aeronautics and Space Administration) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$41,428,553	0.1%	Rank history: #28 in FY2022, #12 in FY2023, #13 in FY2024 and #14 in FY2025; unchanged since FY2020.
35	Transdigm Group Incorporated 2 awardees, including Armtec Countermeasures Co Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$41,324,092	0.1%	Rank history: #40 in FY2022, #25 in FY2023 and not on the FY2024–FY2025 lists; down 2 since FY2020.
36	Resilience Government Services, Inc. Top agencies Army (Department of the Army)	$40,121,477	0.1%	Rank history: not on the FY2022–FY2025 lists; down 15 since FY2020.
37	Teva Pharmaceutical Industries Ltd. 2 awardees, including Teva Pharmaceuticals Usa, Inc. Top agencies DLA (Defense Logistics Agency)	$39,889,900	0.1%	Rank history: #43 in FY2022, #40 in FY2023, #94 in FY2024 and not on the FY2025 list; up 2 since FY2020.
38	Grifols Diagnostic Solutions Inc. 5 awardees, including Gen-Probe Incorporated, Grifols Therapeutics LLC and Grifols USA LLC Top agencies Army (Department of the Army) DHA (Defense Health Agency) VA (Department of Veterans Affairs)	$39,829,252	0.1%	Rank history: #67 in FY2022 and not on the FY2023–FY2025 lists; up 8 since FY2020.
39	Seqirus Inc. Top agencies HHS (Department of Health and Human Services)	$34,953,404	0.1%	Rank history: not on the FY2022–FY2023 lists, #40 in FY2024 and #79 in FY2025; new, not ranked in FY2020.
40	BAE Systems PLC 5 awardees, including BAE Systems Ordnance Systems Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) DOI (Department of the Interior)	$32,736,607	0.1%	Rank history: #32 in FY2022, #9 in FY2023 and not on the FY2024–FY2025 lists; down 24 since FY2020.
41	RTX Corporation 5 awardees, including Rockwell Collins Inc., Kidde Technologies, Inc. and Goodrich Corporation Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$30,942,363	0.1%	Rank history: #38 in FY2022, #49 in FY2023, #51 in FY2024 and #89 in FY2025; down 5 since FY2020.
42	Northrop Grumman Corporation 9 awardees, including Alliant Techsystems Operations LLC, Northrop Grumman Systems Corporation and COI Ceramics, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$29,634,520	0.1%	Rank history: not on the FY2022 list, #62 in FY2023, #18 in FY2024 and #10 in FY2025; down 22 since FY2020.
43	Seqirus USA Inc. 3 awardees, including CSL Behring L.L.C. and Seqirus Inc. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) DOJ (Department of Justice)	$28,397,992	<0.1%	Rank history: #26 in FY2022, #34 in FY2023 and not on the FY2024–FY2025 lists; up 17 since FY2020.
44	Security Signals, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$27,868,987	<0.1%	Rank history: #88 in FY2022 and not on the FY2023–FY2025 lists; down 1 since FY2020.
45	R. S. Means Company LLC 3 awardees, including Pacific Scientific Energetic Materials Company (California Llc) Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$27,542,632	<0.1%	Rank history: #42 in FY2022, #39 in FY2023 and not on the FY2024–FY2025 lists; down 18 since FY2020.
46	Cardinal Health, Inc. 6 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)	$25,499,095	<0.1%	Rank history: #44 in FY2022, #38 in FY2023, #41 in FY2024 and #34 in FY2025; up 16 since FY2020.
47	Perimeter Solutions LP Top agencies USDA (Department of Agriculture) DOI (Department of the Interior) Navy (Department of the Navy)	$24,853,958	<0.1%	Rank history: #52 in FY2022, #69 in FY2023, #8 in FY2024 and #5 in FY2025; up 56 since FY2020.
48	Compagnie Merieux Alliance 4 awardees, including Biofire Diagnostics LLC, Biomerieux Inc. and Advanced Bioscience Laboratories, Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) HHS (Department of Health and Human Services)	$24,522,685	<0.1%	Rank history: #54 in FY2022, #51 in FY2023, #62 in FY2024 and not on the FY2025 list; down 24 since FY2020.
49	Roche Holding AG 3 awardees, including Roche Diagnostics Corporation, Roche Diabetes Care Inc. and Genentech Usa, Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$24,424,137	<0.1%	Rank history: #9 in FY2022, #19 in FY2023, #59 in FY2024 and not on the FY2025 list; up 6 since FY2020.
50	Amerisourcebergen Drug Corp Top agencies DLA (Defense Logistics Agency)	$23,855,151	<0.1%	Rank history: #49 in FY2022 and not on the FY2023–FY2025 lists; down 39 since FY2020.
51	Rafa Laboratories Ltd Top agencies HHS (Department of Health and Human Services)	$22,501,800	<0.1%	Rank history: not on the FY2022–FY2024 lists and #41 in FY2025; up 32 since FY2020.
52	Nuclear Fuel Services Inc. Top agencies DOE (Department of Energy)	$22,035,318	<0.1%	Rank history: not on the FY2022 list, #77 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
53	DLA Troop Support Top agencies HHS (Department of Health and Human Services)	$21,000,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 393 since FY2020.
54	Science Applications International Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$20,823,658	<0.1%	Rank history: #48 in FY2022, #36 in FY2023, #99 in FY2024 and not on the FY2025 list; unchanged since FY2020.
55	Boehringer Ingelheim Corporation 2 awardees, including Boehringer Ingelheim Animal Health France and Boehringer Ingelheim Animal Health USA Inc. Top agencies USDA (Department of Agriculture) Commerce (Department of Commerce)	$19,938,662	<0.1%	Rank history: #59 in FY2022, #63 in FY2023 and not on the FY2024–FY2025 lists; down 17 since FY2020.
56	Praxair Distribution Inc. 12 awardees, including Linde Inc., Linde Gas & Equipment Inc. and Linde Gas Espana, S.A. Top agencies DLA (Defense Logistics Agency) NASA (National Aeronautics and Space Administration) HHS (Department of Health and Human Services)	$19,701,071	<0.1%	Rank history: #45 in FY2022 and not on the FY2023–FY2025 lists; up 8 since FY2020.
57	BAE Systems Land & Armaments L.P. Through BAE Systems Ordnance Systems Inc. Top agencies Army (Department of the Army)	$19,600,196	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
58	Gsms Inc. Through Golden State Medical Supply, Inc. Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) DLA (Defense Logistics Agency)	$19,573,316	<0.1%	Rank history: #87 in FY2022, #67 in FY2023, #85 in FY2024 and not on the FY2025 list; up 104 since FY2020.
59	Airgas Inc. 21 awardees, including Airgas Usa, LLC, Air Liquide Industrial U.s. LP and Air Liquide America L.P. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) Navy (Department of the Navy)	$19,266,857	<0.1%	Rank history: #60 in FY2022 and not on the FY2023–FY2025 lists; down 30 since FY2020.
60	Becton, Dickinson and Co 5 awardees, including C R Bard Inc. and Becton, Dickinson Italia S.P.A. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) DHA (Defense Health Agency)	$18,935,188	<0.1%	Rank history: #23 in FY2022 and not on the FY2023–FY2025 lists; down 34 since FY2020.
61	Automotive & Industrial Supply, LLC Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$18,238,809	<0.1%	Rank history: not on the FY2022 list, #74 in FY2023, #48 in FY2024 and #59 in FY2025; up 23 since FY2020.
62	PPG Industries, Inc. 9 awardees, including PPG Architectural Finishes, Inc., PRC - Desoto International, Inc. and Texstars LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$15,508,890	<0.1%	Rank history: #57 in FY2022, #57 in FY2023, not on the FY2024 list and #78 in FY2025; down 4 since FY2020.
63	Gilead Sciences Inc. Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$15,295,475	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 363 since FY2020.
64	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)	$14,652,640	<0.1%	Rank history: #72 in FY2022, #55 in FY2023 and not on the FY2024–FY2025 lists; down 34 since FY2020.
65	Flexbiosys Inc. Top agencies HHS (Department of Health and Human Services)	$14,500,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
66	Marathon Medical Corporation Top agencies HHS (Department of Health and Human Services) GSA (General Services Administration)	$13,812,977	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 29 since FY2020.
67	Hologic, Inc. 2 awardees, including Hologic Sales and Service, LLC Top agencies DHA (Defense Health Agency) VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$13,743,102	<0.1%	Rank history: #69 in FY2022, #94 in FY2023, #79 in FY2024 and not on the FY2025 list; up 41 since FY2020.
68	Veterans Healthcare Supply Solutions, Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$13,476,004	<0.1%	Rank history: #100 in FY2022 and not on the FY2023–FY2025 lists; down 11 since FY2020.
69	Neurocrine Biosciences, Inc. Top agencies VA (Department of Veterans Affairs)	$13,227,522	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 6 since FY2020.
70	General Dynamics Corporation 4 awardees, including General Dynamics OTS (Aerospace), Inc., ST. Marks Powder, Inc. and Electric Boat Corporation Top agencies Navy (Department of the Navy) Army (Department of the Army) DLA (Defense Logistics Agency)	$13,208,888	<0.1%	Rank history: not on the FY2022 list, #71 in FY2023, not on the FY2024 list and #64 in FY2025; down 22 since FY2020.
71	Celltrion USA Inc. Top agencies DLA (Defense Logistics Agency)	$12,528,000	<0.1%	Rank history: #41 in FY2022, #70 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
72	Trillamed LLC Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$12,088,985	<0.1%	Rank history: #99 in FY2022 and not on the FY2023–FY2025 lists; up 29 since FY2020.
73	RAS Enterprises LLC Top agencies VA (Department of Veterans Affairs) DOE (Department of Energy) Army (Department of the Army)	$11,549,222	<0.1%	Rank history: #78 in FY2022, #82 in FY2023, #72 in FY2024 and #54 in FY2025; up 8 since FY2020.
74	Linde LLC 2 awardees, including Messer LLC and Messer Gas Puerto Rico Inc. Top agencies NASA (National Aeronautics and Space Administration) DLA (Defense Logistics Agency) Treasury (Department of the Treasury)	$11,039,753	<0.1%	Rank history: #63 in FY2022, #46 in FY2023, #70 in FY2024 and #92 in FY2025; down 1 since FY2020.
75	Illumina, Inc. Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) Navy (Department of the Navy)	$10,528,442	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 37 since FY2020.
76	Luminex Corporation 3 awardees, including Diasorin Inc. and Diasorin Molecular, LLC Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$10,258,618	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 236 since FY2020.
77	Retractable Technologies Inc. Top agencies HHS (Department of Health and Human Services)	$10,000,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 60 since FY2020.
78	Princeton Biomeditech Corp Top agencies USAF (Department of the Air Force)	$9,885,816	<0.1%	Rank history: not on the FY2022 list, #47 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
79	Lonza Group AG 3 awardees, including Calca Solutions, LLC, Lonza LLC and Lonza Walkersville, Inc. Top agencies DLA (Defense Logistics Agency) Treasury (Department of the Treasury) HHS (Department of Health and Human Services)	$9,702,298	<0.1%	Rank history: not on the FY2022 list, #45 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
80	Elbit Systems Ltd 2 awardees, including IMI Systems Ltd and Elbitamerica, Inc. Top agencies USSOCOM (United States Special Operations Command) USAF (Department of the Air Force)	$9,684,586	<0.1%	Rank history: #82 in FY2022, #65 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2020.
81	Drew Marine USA Inc Top agencies Navy (Department of the Navy) DOT (Department of Transportation) DHS (Department of Homeland Security)	$9,593,153	<0.1%	Rank history: #75 in FY2022, #59 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
82	ASE Direct, Inc. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) DLA (Defense Logistics Agency)	$9,216,114	<0.1%	Rank history: #95 in FY2022, #92 in FY2023, #97 in FY2024 and not on the FY2025 list; up 6 since FY2020.
83	Fresenius Kabi LLC 2 awardees, including Fenwal, Inc. Top agencies HHS (Department of Health and Human Services) DLA (Defense Logistics Agency) DHA (Defense Health Agency)	$8,344,855	<0.1%	Rank history: not on the FY2022 list, #68 in FY2023, #98 in FY2024 and not on the FY2025 list; down 51 since FY2020.
84	Mylan Pharmaceuticals Inc. 2 awardees, including Mylan Specialty LP Top agencies HHS (Department of Health and Human Services)	$8,250,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
85	Siemens Aktiengesellschaft 6 awardees, including Petnet Solutions, Inc., Siemens Healthcare Diagnostics Inc. and Siemens Medical Solutions Usa, Inc. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) USAF (Department of the Air Force)	$8,165,449	<0.1%	Rank history: #11 in FY2022, #93 in FY2023, #91 in FY2024 and not on the FY2025 list; up 19 since FY2020.
86	Olin Winchester LLC Top agencies USAF (Department of the Air Force)	$8,129,529	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 58 since FY2020.
87	Lockheed Martin Corporation 2 awardees Top agencies Navy (Department of the Navy)	$8,069,045	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 31 since FY2020.
88	Pharmacy Buying Association, Inc. Top agencies VA (Department of Veterans Affairs)	$7,882,656	<0.1%	Rank history: #83 in FY2022, #72 in FY2023, #93 in FY2024 and not on the FY2025 list; down 37 since FY2020.
89	CCI Capco, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$7,658,421	<0.1%	Rank history: #65 in FY2022, #85 in FY2023, #90 in FY2024 and not on the FY2025 list; up 8 since FY2020.
90	UnitedHealth Group Incorporated 2 awardees, including Optum Pharmacy 801, Inc. and Optum Pharmacy 601, LLC Top agencies VA (Department of Veterans Affairs)	$7,541,658	<0.1%	Rank history: #64 in FY2022 and not on the FY2023–FY2025 lists; up 125 since FY2020.
91	Novartis AG 3 awardees, including Advanced Accelerator Applications USA Inc. and Novartis Pharmaceuticals Corporation Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$7,479,207	<0.1%	Rank history: #93 in FY2022, #54 in FY2023, #44 in FY2024 and not on the FY2025 list; up 54 since FY2020.
92	Access Products Inc. Top agencies GSA (General Services Administration) DHS (Department of Homeland Security) DOJ (Department of Justice)	$7,217,854	<0.1%	Rank history: #86 in FY2022, #78 in FY2023, #80 in FY2024 and #82 in FY2025; down 21 since FY2020.
93	Cobham Advanced Electronic Solutions Inc. 3 awardees, including Mission Systems Davenport Inc. and Cobham Exeter, Inc. Top agencies Navy (Department of the Navy)	$7,109,243	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 1 since FY2020.
94	Biocryst Pharmaceuticals Inc. Top agencies HHS (Department of Health and Human Services)	$6,932,000	<0.1%	Rank history: #85 in FY2022, not on the FY2023 list, #58 in FY2024 and not on the FY2025 list; down 4 since FY2020.
95	Catalent Indiana LLC Top agencies HHS (Department of Health and Human Services)	$6,640,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 95 since FY2020.
96	Meso Scale Diagnostics LLC Top agencies HHS (Department of Health and Human Services) USDA (Department of Agriculture) Army (Department of the Army)	$6,378,856	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 20 since FY2020.
97	Port City Contracting Services, Inc. Top agencies VA (Department of Veterans Affairs)	$6,253,710	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 39 since FY2020.
98	Cliffside Refiners L P Top agencies DOI (Department of the Interior)	$6,000,000	<0.1%	Rank history: #96 in FY2022, #81 in FY2023 and not on the FY2024–FY2025 lists; up 41 since FY2020.
99	Matheson TRI-Gas Inc. 5 awardees, including Nippon Sanso Matheson, Inc., Mitsubishi Chemical Carbon Fiber & Composites Inc. and Nippon Sanso Deutschland GMBH Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) VA (Department of Veterans Affairs)	$5,985,961	<0.1%	Rank history: #84 in FY2022 and not on the FY2023–FY2025 lists; up 36 since FY2020.
100	Pyrotechnique by Grucci Inc Top agencies Army (Department of the Army)	$5,919,408	<0.1%	Rank history: #70 in FY2022, #86 in FY2023 and not on the FY2024–FY2025 lists; down 28 since FY2020.

Show 75 more

100 of 2,234 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	$55,780,216,011	Pfizer Inc.
3259 Other Chemical Product and Preparation Manufacturing	$831,840,505	Chemring Group PLC
3251 Basic Chemical Manufacturing	$349,507,398	Mid-America Conversion Services, LLC
3252 Resin, Synthetic Rubber, and Artificial and Synthetic Fibers and Filaments Manufacturing	$279,701,393	Rhino Health, Inc.
3255 Paint, Coating, and Adhesive Manufacturing	$80,670,000	Science Applications International Corporation
3253 Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing	$39,306,887	Perimeter Solutions LP
3256 Soap, Cleaning Compound, and Toilet Preparation Manufacturing	$33,630,952	Rite-Kem, 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 $58.5 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 2021 ran Oct 1, 2020 – Sep 30, 2021. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2020. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2020 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 NAICS 325 contractors in FY2021?

1. Pfizer Inc. ($23.1B), 2. Mckesson Corporation ($11.7B), 3. Modernatx Inc. ($7.36B), 4. Regeneron Pharmaceuticals Inc. ($5.57B), 5. ELI Lilly and Company ($1.91B), 6. Abbott Laboratories ($1.66B), 7. Merck & Co. Inc. ($1.31B), 8. Cencora, Inc. ($516M), 9. Glaxosmithkline LLC ($288M), 10. Emergent Biosolutions Inc. ($257M).

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