Top 100 Contractors in NAICS 325998: All Other Miscellaneous Chemical Product and Preparation Manufacturing, FY2023

Name: Top 100 Contractors in NAICS 325998: All Other Miscellaneous Chemical Product and Preparation Manufacturing, FY2023
Creator: GovTribe

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

The top 10 won 73% of FY2023 NAICS 325998 contract dollars

Contract obligations: $268,348,551 Net of deobligations, by contracts coded NAICS 325998
Contractors: 460 Parent companies with an obligation
Largest contractor: Transdigm Group Incorporated $53.1 million, 19.3% 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	Transdigm Group Incorporated Through Armtec Countermeasures Co Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$53,099,065	19.3%	Rank history: #3 in FY2021, #6 in FY2022 and not on the FY2024–FY2025 lists; up 5 since FY2022.
2	Chemring Group PLC 2 awardees, including Chemring Australia PTY Ltd and Alloy Surfaces Co Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) USSOCOM (United States Special Operations Command)	$47,726,628	17.3%	Rank history: #1 in FY2021, #2 in FY2022, #2 in FY2024 and not on the FY2025 list; unchanged since FY2022.
3	Kilgore Flares Company LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$32,771,845	11.9%	Rank history: not on the FY2021 list, #1 in FY2022, #3 in FY2024 and #8 in FY2025; down 2 since FY2022.
4	Drew Marine USA Inc Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$14,885,120	5.4%	Rank history: #5 in FY2021, #4 in FY2022, #5 in FY2024 and #5 in FY2025; unchanged since FY2022.
5	Elbit Systems Ltd 2 awardees, including IMI Systems Ltd and Elbit Systems of America - Night Vision LLC Top agencies USSOCOM (United States Special Operations Command) DLA (Defense Logistics Agency)	$13,594,874	4.9%	Rank history: #4 in FY2021, #7 in FY2022 and not on the FY2024–FY2025 lists; up 2 since FY2022.
6	Perimeter Solutions LP Top agencies USDA (Department of Agriculture)	$13,294,646	4.8%	Rank history: not on the FY2021 list, #3 in FY2022, #1 in FY2024 and #1 in FY2025; down 3 since FY2022.
7	Anatrace Products LLC Top agencies HHS (Department of Health and Human Services)	$9,591,300	3.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 141 since FY2022.
8	Combined Systems Inc. Top agencies Army (Department of the Army) DOJ (Department of Justice)	$6,554,197	2.4%	Rank history: not on the FY2021 list, #15 in FY2022, not on the FY2024 list and #3 in FY2025; up 7 since FY2022.
9	Danaher Corporation 3 awardees, including Chemtreat, Inc. Top agencies HHS (Department of Health and Human Services) DOJ (Department of Justice) WHS (DOD Washington Headquarters Service)	$4,858,382	1.8%	Rank history: #7 in FY2021, #11 in FY2022, #52 in FY2024 and not on the FY2025 list; up 2 since FY2022.
10	Government Sales, LLC Top agencies Navy (Department of the Navy) DOJ (Department of Justice) VA (Department of Veterans Affairs)	$4,670,090	1.7%	Rank history: #9 in FY2021, #13 in FY2022, #9 in FY2024 and #9 in FY2025; up 3 since FY2022.
11	Ecolab Inc. 4 awardees, including Nalco Company LLC Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy) DOJ (Department of Justice)	$4,351,541	1.6%	Rank history: #10 in FY2021, #12 in FY2022, #14 in FY2024 and #12 in FY2025; up 1 since FY2022.
12	Flir Systems Inc. Through Teledyne Flir Defense, LLC Top agencies Army (Department of the Army)	$3,785,944	1.4%	Rank history: #13 in FY2021, #30 in FY2022, #22 in FY2024 and not on the FY2025 list; up 18 since FY2022.
13	Coastline Ltd. Top agencies Army (Department of the Army) Commerce (Department of Commerce) Navy (Department of the Navy)	$3,515,927	1.3%	Rank history: #16 in FY2021, #18 in FY2022, #11 in FY2024 and #11 in FY2025; up 5 since FY2022.
14	Vernas Ventures LLC 2 awardees, including Alphavets, LLC Top agencies VA (Department of Veterans Affairs) GSA (General Services Administration) DHS (Department of Homeland Security)	$3,150,794	1.1%	Rank history: #22 in FY2021, not on the FY2022 list, #12 in FY2024 and #28 in FY2025; returned.
15	Luxfer Holdings PLC Through Luxfer Magtech, Inc. Top agencies DLA (Defense Logistics Agency)	$2,913,680	1.1%	Rank history: not on the FY2021 list, #5 in FY2022 and not on the FY2024–FY2025 lists; down 10 since FY2022.
16	Pierce Commercial Laundry Distributors, L.L.C. Top agencies Army (Department of the Army) Navy (Department of the Navy) VA (Department of Veterans Affairs)	$2,330,522	0.8%	Rank history: #19 in FY2021, #23 in FY2022, #30 in FY2024 and #34 in FY2025; up 7 since FY2022.
17	General Atomic Technologies Corporation Through General Atomics International Services Corp Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$2,083,905	0.8%	Rank history: #12 in FY2021, #21 in FY2022, #32 in FY2024 and not on the FY2025 list; up 4 since FY2022.
18	Momar, Incorporated Top agencies GSA (General Services Administration) Army (Department of the Army) USDA (Department of Agriculture)	$1,793,428	0.7%	Rank history: not on the FY2021 list, #70 in FY2022, #28 in FY2024 and #14 in FY2025; up 52 since FY2022.
19	Seneca Mineral Company Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$1,295,657	0.5%	Rank history: #34 in FY2021, #26 in FY2022, #38 in FY2024 and #22 in FY2025; up 7 since FY2022.
20	Authentix, Inc. Top agencies Treasury (Department of the Treasury)	$1,265,676	0.5%	Rank history: not on the FY2021 list, #41 in FY2022, #20 in FY2024 and #20 in FY2025; up 21 since FY2022.
21	Paradise Pillow, Inc. Top agencies GSA (General Services Administration) Navy (Department of the Navy) USAF (Department of the Air Force)	$1,202,717	0.4%	Rank history: #24 in FY2021, #35 in FY2022, #26 in FY2024 and #26 in FY2025; up 14 since FY2022.
22	Defense Energy Syndicate, LLC Top agencies DLA (Defense Logistics Agency)	$1,168,686	0.4%	Rank history: not on the FY2021 list, #29 in FY2022, #19 in FY2024 and #7 in FY2025; up 7 since FY2022.
23	Science Applications International Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$1,009,312	0.4%	Rank history: #14 in FY2021, #24 in FY2022 and not on the FY2024–FY2025 lists; up 1 since FY2022.
24	IFE Group Top agencies DHA (Defense Health Agency) Treasury (Department of the Treasury) DOJ (Department of Justice)	$939,019	0.3%	Rank history: #11 in FY2021, #14 in FY2022 and not on the FY2024–FY2025 lists; down 10 since FY2022.
25	Complete Environmental Products Inc. Top agencies DLA (Defense Logistics Agency)	$860,827	0.3%	Rank history: #94 in FY2021, #32 in FY2022, #36 in FY2024 and #41 in FY2025; up 7 since FY2022.
26	Clariant AG Through Clariant Vertrieb (Deutschland) GMBH & Co. KG Top agencies USAF (Department of the Air Force)	$860,377	0.3%	Rank history: #58 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
27	Cayman Chemical Co Inc. Top agencies HHS (Department of Health and Human Services)	$853,980	0.3%	Rank history: not on the FY2021 list, #38 in FY2022 and not on the FY2024–FY2025 lists; up 11 since FY2022.
28	Meggitt PLC Through Meggitt Defense Systems, Inc. Top agencies DLA (Defense Logistics Agency)	$834,675	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
29	JAX Inc. Top agencies Navy (Department of the Navy)	$814,027	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
30	Royal Services Inc. Through Saniglaze International, LLC Top agencies VA (Department of Veterans Affairs) GSA (General Services Administration)	$792,591	0.3%	Rank history: #23 in FY2021, #28 in FY2022, #37 in FY2024 and not on the FY2025 list; down 2 since FY2022.
31	American Sanitary Products Inc. Top agencies DOJ (Department of Justice) VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$768,497	0.3%	Rank history: #8 in FY2021, #17 in FY2022, #4 in FY2024 and #25 in FY2025; down 14 since FY2022.
32	Mansfield Paper Company, Inc. Top agencies GSA (General Services Administration)	$713,737	0.3%	Rank history: not on the FY2021–FY2022 lists, #44 in FY2024 and #46 in FY2025; up 81 since FY2022.
33	Compumeric Engineering, Inc. 2 awardees Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$697,490	0.3%	Rank history: #61 in FY2021, #31 in FY2022, #35 in FY2024 and not on the FY2025 list; down 2 since FY2022.
34	Pioneer Industries, LLC Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$635,728	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 335 since FY2022.
35	The Boelter Companies Inc 2 awardees, including Citisco, LLC Top agencies DOJ (Department of Justice) USAF (Department of the Air Force) VA (Department of Veterans Affairs)	$603,459	0.2%	Rank history: #32 in FY2021, #37 in FY2022, #80 in FY2024 and #45 in FY2025; up 2 since FY2022.
36	The Maclean Group LLC Top agencies VA (Department of Veterans Affairs)	$599,459	0.2%	Rank history: not on the FY2021 list, #46 in FY2022, #45 in FY2024 and #38 in FY2025; up 10 since FY2022.
37	Maryland Chemical Company, Inc. Top agencies Treasury (Department of the Treasury) Army (Department of the Army)	$579,041	0.2%	Rank history: #48 in FY2021, #25 in FY2022, #29 in FY2024 and #30 in FY2025; down 12 since FY2022.
38	South Texas Lighthouse for the Blind Foundation Top agencies USAF (Department of the Air Force)	$561,071	0.2%	Rank history: not on the FY2021 list, #52 in FY2022, #33 in FY2024 and #42 in FY2025; up 14 since FY2022.
39	OMNI2MAX Inc. Top agencies USAF (Department of the Air Force)	$544,767	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
40	Government of Canada 2 awardees, including Canadian Commercial Corporation Top agencies Navy (Department of the Navy)	$517,420	0.2%	Rank history: #6 in FY2021, #20 in FY2022 and not on the FY2024–FY2025 lists; down 20 since FY2022.
41	Calgon Carbon Corporation Top agencies USAF (Department of the Air Force)	$505,035	0.2%	Rank history: #35 in FY2021, #34 in FY2022 and not on the FY2024–FY2025 lists; down 7 since FY2022.
42	Liberty Technical Services, LLC Top agencies GSA (General Services Administration) VA (Department of Veterans Affairs)	$494,361	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
43	Green and Sustainable Services, LLC Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force) USDA (Department of Agriculture)	$478,848	0.2%	Rank history: #47 in FY2021, #78 in FY2022, #49 in FY2024 and #58 in FY2025; up 35 since FY2022.
44	Water Treatment Services Inc. Top agencies VA (Department of Veterans Affairs)	$456,397	0.2%	Rank history: #73 in FY2021, #42 in FY2022 and not on the FY2024–FY2025 lists; down 2 since FY2022.
45	Eagle Safe Surfaces Colorado Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$455,573	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 113 since FY2022.
46	Premier & Companies, Inc. Top agencies GSA (General Services Administration) DLA (Defense Logistics Agency) VA (Department of Veterans Affairs)	$434,411	0.2%	Rank history: #50 in FY2021, #45 in FY2022 and not on the FY2024–FY2025 lists; down 1 since FY2022.
47	VWR International LLC Top agencies HHS (Department of Health and Human Services)	$430,963	0.2%	Rank history: #28 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
48	Ruptured Duck LLC Top agencies DLA (Defense Logistics Agency)	$425,214	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #69 in FY2025; new.
49	Chela Ltd Top agencies USAF (Department of the Air Force)	$421,804	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
50	Orison Marketing LLC 2 awardees Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$415,752	0.2%	Rank history: not on the FY2021 list, #79 in FY2022, #54 in FY2024 and #33 in FY2025; up 29 since FY2022.
51	Aldevra LLC Top agencies VA (Department of Veterans Affairs)	$373,975	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
52	Electroplating Consultants International Inc. Top agencies USAF (Department of the Air Force)	$340,318	0.1%	Rank history: #45 in FY2021, #36 in FY2022, #34 in FY2024 and #51 in FY2025; down 16 since FY2022.
53	Cenmed Enterprises Inc. Top agencies Army (Department of the Army)	$334,568	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 272 since FY2022.
54	Safety Control, LLC Top agencies DLA (Defense Logistics Agency)	$328,965	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
55	Kidde Fire Trainers Inc Through KFT Fire Trainer LLC Top agencies Navy (Department of the Navy)	$288,420	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
56	Garden State Fireworks Inc. Top agencies Army (Department of the Army)	$286,854	0.1%	Rank history: not on the FY2021–FY2022 lists, #68 in FY2024 and #88 in FY2025; new.
57	Keel's Landing, LLC Top agencies HHS (Department of Health and Human Services)	$284,379	0.1%	Rank history: not on the FY2021–FY2022 lists, #98 in FY2024 and not on the FY2025 list; new.
58	Aviate Enterprises, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$282,778	0.1%	Rank history: not on the FY2021–FY2022 lists, #31 in FY2024 and #29 in FY2025; up 215 since FY2022.
59	NCH Corporation Through Chem-Aqua Inc. Top agencies Army (Department of the Army) DOJ (Department of Justice) USDA (Department of Agriculture)	$281,878	0.1%	Rank history: not on the FY2021–FY2022 lists, #72 in FY2024 and not on the FY2025 list; new.
60	PCX Inc Top agencies DLA (Defense Logistics Agency)	$281,282	0.1%	Rank history: not on the FY2021–FY2022 lists, #78 in FY2024 and not on the FY2025 list; up 44 since FY2022.
61	Sunpower Corporation Through Hutchinson Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$279,944	0.1%	Rank history: not on the FY2021–FY2022 lists, #41 in FY2024 and not on the FY2025 list; new.
62	Mecx, Inc. Top agencies DOJ (Department of Justice)	$272,234	0.1%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2024 and #71 in FY2025; new.
63	BC Market Solutions LLC Top agencies Navy (Department of the Navy)	$267,466	0.1%	Rank history: not on the FY2021–FY2022 lists, #95 in FY2024 and #47 in FY2025; new.
64	Schlotter GMBH & Co.kg Top agencies Army (Department of the Army)	$262,935	0.1%	Rank history: not on the FY2021–FY2022 lists, #90 in FY2024 and not on the FY2025 list; new.
65	Jamoa Enterprise LLC Top agencies VA (Department of Veterans Affairs)	$262,200	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
66	Premier Water & Energy Technology Inc. Top agencies GSA (General Services Administration) DHS (Department of Homeland Security)	$252,675	0.1%	Rank history: not on the FY2021–FY2022 lists, #50 in FY2024 and #36 in FY2025; up 106 since FY2022.
67	Kamtek Inc. Top agencies Army (Department of the Army)	$248,950	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
68	Chemical Distributors Inc. Top agencies Army (Department of the Army)	$248,523	0.1%	Rank history: #42 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 79 since FY2022.
69	Best Technology Inc Top agencies NASA (National Aeronautics and Space Administration) NARA (National Archives and Records Administration)	$244,664	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
70	Wichita Falls Tri-Tech, LLC Top agencies USAF (Department of the Air Force)	$232,773	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
71	Industrial Water Engineering, Inc. Top agencies HHS (Department of Health and Human Services)	$222,835	0.1%	Rank history: #85 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
72	Aspen Water Inc Top agencies USAF (Department of the Air Force)	$221,224	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
73	Carbon Activated Corporation Top agencies Army (Department of the Army)	$217,800	0.1%	Rank history: not on the FY2021 list, #59 in FY2022, #61 in FY2024 and #82 in FY2025; down 14 since FY2022.
74	Sky Mart Sales Corp. Top agencies DLA (Defense Logistics Agency)	$212,891	0.1%	Rank history: #30 in FY2021, #74 in FY2022, not on the FY2024 list and #32 in FY2025; unchanged since FY2022.
75	Alaska Garden & Pet Supply Inc. Top agencies USAF (Department of the Air Force)	$206,500	0.1%	Rank history: #51 in FY2021, #51 in FY2022, #74 in FY2024 and #64 in FY2025; down 24 since FY2022.
76	Mckesson Corporation 2 awardees Top agencies DOJ (Department of Justice)	$200,896	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 206 since FY2022.
77	Firelake Construction Inc. Top agencies USDA (Department of Agriculture)	$199,642	0.1%	Rank history: not on the FY2021 list, #71 in FY2022 and not on the FY2024–FY2025 lists; down 6 since FY2022.
78	Ship 2 Shore USA Inc. Top agencies Navy (Department of the Navy)	$191,412	0.1%	Rank history: not on the FY2021–FY2022 lists, #56 in FY2024 and not on the FY2025 list; new.
79	Farm & City Supply, L.L.C. Top agencies DLA (Defense Logistics Agency)	$186,654	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 147 since FY2022.
80	Daijin Co.,Ltd. Top agencies Navy (Department of the Navy)	$181,994	0.1%	Rank history: #57 in FY2021, #69 in FY2022, #88 in FY2024 and not on the FY2025 list; down 11 since FY2022.
81	Goad Company Top agencies USAF (Department of the Air Force)	$175,602	0.1%	Rank history: #62 in FY2021, #49 in FY2022, #75 in FY2024 and #56 in FY2025; down 32 since FY2022.
82	State Industrial Products Corp Top agencies Army (Department of the Army)	$172,785	0.1%	Rank history: #92 in FY2021, #73 in FY2022, not on the FY2024 list and #84 in FY2025; down 9 since FY2022.
83	Barclay Water Treatment Company Inc Through Barclay Water Management, Inc. Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) DOT (Department of Transportation)	$170,869	0.1%	Rank history: #44 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 19 since FY2022.
84	Miles Ahead Distribution, Inc. Top agencies Treasury (Department of the Treasury)	$170,727	0.1%	Rank history: not on the FY2021 list, #60 in FY2022, #86 in FY2024 and not on the FY2025 list; down 24 since FY2022.
85	Security Signals, Inc. Top agencies Army (Department of the Army)	$168,697	0.1%	Rank history: #2 in FY2021, #8 in FY2022, not on the FY2024 list and #37 in FY2025; down 77 since FY2022.
86	All-Safe Inc. Top agencies DLA (Defense Logistics Agency)	$165,252	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 166 since FY2022.
87	Cherokee Chemical Co., Inc. Top agencies Treasury (Department of the Treasury)	$164,789	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
88	Lab Leasing Co., Inc. Top agencies USDA (Department of Agriculture)	$159,090	0.1%	Rank history: not on the FY2021–FY2022 lists, #92 in FY2024 and #40 in FY2025; new.
89	MJL Enterprises LLC Top agencies Army (Department of the Army)	$158,912	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 105 since FY2022.
90	Cascade Fire Equipment Company Top agencies USDA (Department of Agriculture)	$156,555	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
91	Vantage Specialties Inc Top agencies USAF (Department of the Air Force)	$151,695	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 273 since FY2022.
92	Gadsden Industrial Distributors, Inc. Top agencies Army (Department of the Army)	$151,170	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 139 since FY2022.
93	Incon Industries, Inc. Top agencies Navy (Department of the Navy)	$150,000	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
94	A.M.S. Network LLC 2 awardees Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security) Navy (Department of the Navy)	$146,587	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
95	Hawkins, Inc. Top agencies DOI (Department of the Interior)	$144,947	0.1%	Rank history: #81 in FY2021, not on the FY2022 list, #99 in FY2024 and not on the FY2025 list; up 6 since FY2022.
96	Curtis Equipment Inc. Top agencies GSA (General Services Administration) Navy (Department of the Navy)	$143,518	0.1%	Rank history: #83 in FY2021, #66 in FY2022 and not on the FY2024–FY2025 lists; down 30 since FY2022.
97	Fyve Star Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$140,264	0.1%	Rank history: #63 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 66 since FY2022.
98	American Rheinmetall Munition Inc. Top agencies Navy (Department of the Navy)	$135,039	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
99	Suez WTS USA Inc. 2 awardees, including Ameriwater, LLC Top agencies VA (Department of Veterans Affairs)	$134,653	<0.1%	Rank history: #95 in FY2021, #88 in FY2022 and not on the FY2024–FY2025 lists; down 11 since FY2022.
100	Hill Brothers Chemical Company Top agencies DOI (Department of the Interior)	$134,638	<0.1%	Rank history: #90 in FY2021, #93 in FY2022, #63 in FY2024 and not on the FY2025 list; down 7 since FY2022.

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100 of 460 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 $276 million 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 325998 contractors in FY2023?

1. Transdigm Group Incorporated ($53.1M), 2. Chemring Group PLC ($47.7M), 3. Kilgore Flares Company LLC ($32.8M), 4. Drew Marine USA Inc ($14.9M), 5. Elbit Systems Ltd ($13.6M), 6. Perimeter Solutions LP ($13.3M), 7. Anatrace Products LLC ($9.59M), 8. Combined Systems Inc. ($6.55M), 9. Danaher Corporation ($4.86M), 10. Government Sales, LLC ($4.67M).

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