Top 100 Contractors in NAICS 33591: Battery Manufacturing, FY2023

Name: Top 100 Contractors in NAICS 33591: Battery Manufacturing, FY2023
Creator: GovTribe

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

The top 10 won 67% of FY2023 NAICS 33591 contract dollars

Contract obligations: $293,373,153 Net of deobligations, by contracts coded NAICS 33591 or a code under it
Contractors: 409 Parent companies with an obligation
Largest contractor: Enersys $74.6 million, 24.7% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Enersys Through Enersys Energy Products Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) Army (Department of the Army)	$74,642,390	24.7%	Rank history: #1 in FY2021, #1 in FY2022, #4 in FY2024 and not on the FY2025 list; unchanged since FY2022.
2	Eastern Carolina Vocational Center Inc. Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs) GSA (General Services Administration)	$21,960,239	7.3%	Rank history: #3 in FY2021, #2 in FY2022, #3 in FY2024 and #3 in FY2025; unchanged since FY2022.
3	OM Group Inc. Through Eaglepicher Technologies LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$21,071,236	7.0%	Rank history: #2 in FY2021, #3 in FY2022, #35 in FY2024 and not on the FY2025 list; unchanged since FY2022.
4	Stryten Energy LLC 2 awardees Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$15,853,666	5.2%	Rank history: #7 in FY2021, #5 in FY2022, #5 in FY2024 and #6 in FY2025; up 1 since FY2022.
5	Sunpower Corporation 4 awardees, including Saft America Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) Navy (Department of the Navy)	$14,822,938	4.9%	Rank history: #11 in FY2021, #11 in FY2022, #17 in FY2024 and not on the FY2025 list; up 6 since FY2022.
6	Johnson Controls Security Solutions LLC Through Clarios, LLC Top agencies DLA (Defense Logistics Agency)	$14,214,725	4.7%	Rank history: #5 in FY2021, #8 in FY2022, #8 in FY2024 and not on the FY2025 list; up 2 since FY2022.
7	Bren-Tronics Defense LLC Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) Navy (Department of the Navy)	$13,940,682	4.6%	Rank history: #13 in FY2021, #14 in FY2022, #12 in FY2024 and #7 in FY2025; up 7 since FY2022.
8	Showa Denko K.K. Through Fiamm Energy Technology (USA) LLC Top agencies DLA (Defense Logistics Agency)	$10,611,939	3.5%	Rank history: #26 in FY2021, #13 in FY2022, #23 in FY2024 and not on the FY2025 list; up 5 since FY2022.
9	Mathews Associates Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) DHS (Department of Homeland Security)	$8,642,769	2.9%	Rank history: #46 in FY2021, #23 in FY2022, #11 in FY2024 and #14 in FY2025; up 14 since FY2022.
10	First Logistex, Inc. Top agencies DOT (Department of Transportation)	$8,146,642	2.7%	Rank history: #17 in FY2021, #20 in FY2022, #20 in FY2024 and #26 in FY2025; up 10 since FY2022.
11	Concorde Battery Corporation Top agencies DLA (Defense Logistics Agency) DOI (Department of the Interior)	$8,133,059	2.7%	Rank history: #8 in FY2021, #6 in FY2022, #7 in FY2024 and #10 in FY2025; down 5 since FY2022.
12	Angel Holdings LLC Through C&D Technologies, Inc. Top agencies DLA (Defense Logistics Agency)	$7,488,876	2.5%	Rank history: #9 in FY2021, #10 in FY2022, #10 in FY2024 and not on the FY2025 list; down 2 since FY2022.
13	B S T Systems, Inc. Top agencies Navy (Department of the Navy)	$7,363,341	2.4%	Rank history: #45 in FY2021, #24 in FY2022, #25 in FY2024 and #18 in FY2025; up 11 since FY2022.
14	Maetec Power, LLC Top agencies DOT (Department of Transportation)	$6,168,494	2.0%	Rank history: #19 in FY2021, #17 in FY2022 and not on the FY2024–FY2025 lists; up 3 since FY2022.
15	Transdigm Group Incorporated 2 awardees, including Acme Aerospace, Inc. and Marathonnorco Aerospace, Inc. Top agencies DLA (Defense Logistics Agency)	$4,225,845	1.4%	Rank history: #20 in FY2021, #15 in FY2022, #39 in FY2024 and not on the FY2025 list; unchanged since FY2022.
16	DRS Naval Power Systems Inc. Top agencies Navy (Department of the Navy)	$3,215,090	1.1%	Rank history: not on the FY2021 list, #46 in FY2022 and not on the FY2024–FY2025 lists; up 30 since FY2022.
17	Energizer Holdings, Inc. Through Energizer, LLC Top agencies VA (Department of Veterans Affairs)	$2,900,099	1.0%	Rank history: #12 in FY2021, #12 in FY2022, #21 in FY2024 and #16 in FY2025; down 5 since FY2022.
18	Applied Power Services LLC Top agencies DOT (Department of Transportation)	$2,189,358	0.7%	Rank history: #36 in FY2021, #33 in FY2022, #36 in FY2024 and #35 in FY2025; up 15 since FY2022.
19	Verdek, LLC Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services) USDA (Department of Agriculture)	$2,005,291	0.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 93 since FY2022.
20	Vertiv Corporation Top agencies DOJ (Department of Justice)	$1,902,525	0.6%	Rank history: #35 in FY2021, #28 in FY2022 and not on the FY2024–FY2025 lists; up 8 since FY2022.
21	FBC Enterprises LLC Top agencies DLA (Defense Logistics Agency)	$1,854,440	0.6%	Rank history: #33 in FY2021, #22 in FY2022, #19 in FY2024 and #55 in FY2025; up 1 since FY2022.
22	Lockheed Martin Corporation 2 awardees Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,796,099	0.6%	Rank history: #100 in FY2021, #84 in FY2022 and not on the FY2024–FY2025 lists; up 62 since FY2022.
23	ASB - Aerospatiale Batteries Through Advanced Thermal Batteries Inc. Top agencies USAF (Department of the Air Force) NASA (National Aeronautics and Space Administration)	$1,717,764	0.6%	Rank history: not on the FY2021 list, #60 in FY2022 and not on the FY2024–FY2025 lists; up 37 since FY2022.
24	Energizer LLC Top agencies VA (Department of Veterans Affairs)	$1,713,985	0.6%	Rank history: not on the FY2021–FY2022 lists, #30 in FY2024 and not on the FY2025 list; new.
25	Science Applications International Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$1,646,740	0.5%	Rank history: not on the FY2021–FY2022 lists, #96 in FY2024 and not on the FY2025 list; up 91 since FY2022.
26	Windward Enterprises, LLC Top agencies DLA (Defense Logistics Agency)	$1,567,512	0.5%	Rank history: #50 in FY2021, #34 in FY2022, #53 in FY2024 and #42 in FY2025; up 8 since FY2022.
27	Teledyne Technologies Incorporated 2 awardees, including Teledyne Instruments, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,313,730	0.4%	Rank history: #14 in FY2021, #18 in FY2022, #18 in FY2024 and #27 in FY2025; down 9 since FY2022.
28	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,285,880	0.4%	Rank history: #16 in FY2021, #31 in FY2022, #22 in FY2024 and #24 in FY2025; up 3 since FY2022.
29	Airbus DS Military Aircraft Inc. Through Satair Usa, Inc. Top agencies DLA (Defense Logistics Agency)	$1,159,429	0.4%	Rank history: not on the FY2021–FY2022 lists, #28 in FY2024 and not on the FY2025 list; new.
30	Battery Service Corporation Top agencies DLA (Defense Logistics Agency)	$1,149,757	0.4%	Rank history: #23 in FY2021, #32 in FY2022, #33 in FY2024 and #34 in FY2025; up 2 since FY2022.
31	Wholesale Batteries, Inc. Top agencies DLA (Defense Logistics Agency) Commerce (Department of Commerce) Navy (Department of the Navy)	$1,011,682	0.3%	Rank history: #28 in FY2021, #40 in FY2022, #38 in FY2024 and #51 in FY2025; up 9 since FY2022.
32	ECI Defense Group, Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$923,345	0.3%	Rank history: #24 in FY2021, #25 in FY2022, #47 in FY2024 and #40 in FY2025; down 7 since FY2022.
33	Washington Foundries Inc. Top agencies DLA (Defense Logistics Agency)	$855,861	0.3%	Rank history: not on the FY2021 list, #65 in FY2022, #58 in FY2024 and #44 in FY2025; up 32 since FY2022.
34	Battery Outlet, Inc. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security) Navy (Department of the Navy)	$851,367	0.3%	Rank history: #32 in FY2021, #43 in FY2022, #49 in FY2024 and #41 in FY2025; up 9 since FY2022.
35	Remy Battery Co Inc. Top agencies DLA (Defense Logistics Agency)	$757,103	0.3%	Rank history: #25 in FY2021, #27 in FY2022, #16 in FY2024 and #9 in FY2025; down 8 since FY2022.
36	Martin Military Inc. Top agencies DLA (Defense Logistics Agency)	$741,507	0.2%	Rank history: #66 in FY2021, #37 in FY2022, #64 in FY2024 and #50 in FY2025; up 1 since FY2022.
37	Theodor Wille Intertrade GMBH Through Atlantic Diving Supply, Inc. Top agencies DLA (Defense Logistics Agency)	$714,238	0.2%	Rank history: not on the FY2021 list, #78 in FY2022 and not on the FY2024–FY2025 lists; up 41 since FY2022.
38	RTX Corporation 3 awardees, including Kidde Technologies Inc., Goodrich Lighting Systems Inc. and Macrolink, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$692,921	0.2%	Rank history: #18 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 85 since FY2022.
39	Hytech Associates Incorporated Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$643,937	0.2%	Rank history: #34 in FY2021, #51 in FY2022, #44 in FY2024 and #33 in FY2025; up 12 since FY2022.
40	Mesa Veterans Power LLC Top agencies DOT (Department of Transportation)	$632,891	0.2%	Rank history: #53 in FY2021, #26 in FY2022 and not on the FY2024–FY2025 lists; down 14 since FY2022.
41	Edge Technology Distributors Inc 2 awardees Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) Navy (Department of the Navy)	$615,075	0.2%	Rank history: #77 in FY2021, #58 in FY2022, #65 in FY2024 and #54 in FY2025; up 17 since FY2022.
42	Shad Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$567,841	0.2%	Rank history: #68 in FY2021, #39 in FY2022 and not on the FY2024–FY2025 lists; down 3 since FY2022.
43	Incredible Supply LLC Top agencies DHS (Department of Homeland Security)	$516,892	0.2%	Rank history: #52 in FY2021, #76 in FY2022, #48 in FY2024 and #39 in FY2025; up 33 since FY2022.
44	Edmo Distributors, Incorporated Top agencies DLA (Defense Logistics Agency)	$504,954	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #77 in FY2025; new.
45	Advanced Products Services Inc. Top agencies DLA (Defense Logistics Agency)	$492,391	0.2%	Rank history: not on the FY2021–FY2022 lists, #69 in FY2024 and #91 in FY2025; up 184 since FY2022.
46	Eaton Corporation Top agencies Navy (Department of the Navy) Army (Department of the Army) VA (Department of Veterans Affairs)	$459,364	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 114 since FY2022.
47	Mainstream Engineering Corp Top agencies DLA (Defense Logistics Agency)	$445,952	0.1%	Rank history: not on the FY2021–FY2022 lists, #41 in FY2024 and not on the FY2025 list; new.
48	Roanwell, LLC Top agencies DLA (Defense Logistics Agency)	$405,596	0.1%	Rank history: not on the FY2021 list, #52 in FY2022 and not on the FY2024–FY2025 lists; up 4 since FY2022.
49	United Sales Assoc Inc. Top agencies DOI (Department of the Interior) DOE (Department of Energy) Army (Department of the Army)	$390,445	0.1%	Rank history: #58 in FY2021, #73 in FY2022, #56 in FY2024 and #48 in FY2025; up 24 since FY2022.
50	Power Products Unlimited, LLC Top agencies DLA (Defense Logistics Agency)	$377,316	0.1%	Rank history: not on the FY2021–FY2022 lists, #92 in FY2024 and not on the FY2025 list; new.
51	Leonardo S.p.A. 4 awardees, including DRS Training & Control Systems, LLC, DRS Network & Imaging Systems LLC and Pivotal Power Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$347,940	0.1%	Rank history: #6 in FY2021, #9 in FY2022, #50 in FY2024 and #37 in FY2025; down 42 since FY2022.
52	American Mergers & Manufacturing International LLC Top agencies Army (Department of the Army)	$343,594	0.1%	Rank history: not on the FY2021–FY2022 lists, #26 in FY2024 and not on the FY2025 list; new.
53	Adcour Inc. Top agencies DLA (Defense Logistics Agency)	$340,758	0.1%	Rank history: #60 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 104 since FY2022.
54	Military Battery Systems Inc. Top agencies DLA (Defense Logistics Agency)	$326,479	0.1%	Rank history: not on the FY2021–FY2022 lists, #66 in FY2024 and #52 in FY2025; up 246 since FY2022.
55	LTI Datacomm, Inc. Through Nova Power Solutions, Inc. Top agencies DLA (Defense Logistics Agency)	$320,746	0.1%	Rank history: #54 in FY2021, #49 in FY2022 and not on the FY2024–FY2025 lists; down 6 since FY2022.
56	Lyntronics Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$316,125	0.1%	Rank history: not on the FY2021 list, #80 in FY2022, #68 in FY2024 and not on the FY2025 list; up 24 since FY2022.
57	Solar Stik Inc. Top agencies Navy (Department of the Navy)	$314,914	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
58	Alpine Power Systems Inc. Top agencies DHA (Defense Health Agency) DOE (Department of Energy) USAF (Department of the Air Force)	$310,200	0.1%	Rank history: #41 in FY2021, #98 in FY2022, #59 in FY2024 and #98 in FY2025; up 40 since FY2022.
59	Pulsepacks LLC Top agencies DLA (Defense Logistics Agency) Commerce (Department of Commerce)	$310,116	0.1%	Rank history: not on the FY2021 list, #71 in FY2022, #70 in FY2024 and #82 in FY2025; up 12 since FY2022.
60	Global Logistics Strategies Inc. Top agencies DLA (Defense Logistics Agency)	$307,295	0.1%	Rank history: #97 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
61	U.s. Materials Handling Corporation Top agencies DLA (Defense Logistics Agency)	$301,530	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
62	Cornerturn LLC Top agencies Navy (Department of the Navy)	$299,611	0.1%	Rank history: not on the FY2021 list, #54 in FY2022 and not on the FY2024–FY2025 lists; down 8 since FY2022.
63	Edward Buiel Consulting LLC Top agencies NASA (National Aeronautics and Space Administration)	$276,000	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #94 in FY2025; new.
64	Dynalec Corporation Top agencies DLA (Defense Logistics Agency)	$264,230	0.1%	Rank history: not on the FY2021–FY2022 lists, #89 in FY2024 and #76 in FY2025; up 45 since FY2022.
65	Krydon Group, Inc. Top agencies Army (Department of the Army) DOE (Department of Energy) VA (Department of Veterans Affairs)	$250,940	0.1%	Rank history: not on the FY2021 list, #72 in FY2022, #97 in FY2024 and #63 in FY2025; up 7 since FY2022.
66	Magnevolt Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) Army (Department of the Army)	$247,154	0.1%	Rank history: #43 in FY2021, #38 in FY2022, #54 in FY2024 and not on the FY2025 list; down 28 since FY2022.
67	Tundra Federal LLC Top agencies DHRA (Defense Human Resources Activity)	$223,526	0.1%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2024 and not on the FY2025 list; new.
68	Ultralife Corp. Top agencies DLA (Defense Logistics Agency)	$223,077	0.1%	Rank history: #39 in FY2021, #59 in FY2022, #32 in FY2024 and #15 in FY2025; down 9 since FY2022.
69	THALES Through Thales Defense & Security Inc. Top agencies DLA (Defense Logistics Agency)	$221,088	0.1%	Rank history: not on the FY2021–FY2022 lists, #43 in FY2024 and #20 in FY2025; up 210 since FY2022.
70	Integrated Procurement Technologies Top agencies DLA (Defense Logistics Agency)	$217,420	0.1%	Rank history: not on the FY2021 list, #57 in FY2022 and not on the FY2024–FY2025 lists; down 13 since FY2022.
71	Burhani Enterprises Inc. Top agencies DOI (Department of the Interior) DLA (Defense Logistics Agency)	$216,447	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #70 in FY2025; up 259 since FY2022.
72	Material Handling Supply & Sales LLC Top agencies DLA (Defense Logistics Agency)	$206,489	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
73	Astro Digital US Inc. Top agencies Navy (Department of the Navy)	$192,000	0.1%	Rank history: #22 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 47 since FY2022.
74	Portable Power Systems, Inc. Top agencies DLA (Defense Logistics Agency)	$185,700	0.1%	Rank history: #81 in FY2021, #62 in FY2022 and not on the FY2024–FY2025 lists; down 12 since FY2022.
75	FED CON LLC Top agencies DLA (Defense Logistics Agency)	$184,000	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
76	Triman Industries Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$181,559	0.1%	Rank history: not on the FY2021 list, #45 in FY2022, not on the FY2024 list and #89 in FY2025; down 31 since FY2022.
77	E W Yost Company Top agencies DLA (Defense Logistics Agency)	$180,791	0.1%	Rank history: not on the FY2021 list, #61 in FY2022, #84 in FY2024 and #85 in FY2025; down 16 since FY2022.
78	Veterans Serving America LLC Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$167,827	0.1%	Rank history: not on the FY2021–FY2022 lists, #81 in FY2024 and #90 in FY2025; new.
79	Pergravis LLC Top agencies SSA (Social Security Administration) USAF (Department of the Air Force)	$159,939	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
80	Exponential Power, Inc. Top agencies VA (Department of Veterans Affairs)	$159,370	0.1%	Rank history: not on the FY2021 list, #77 in FY2022, not on the FY2024 list and #87 in FY2025; down 3 since FY2022.
81	Segundo Aviation LLC Top agencies DLA (Defense Logistics Agency)	$156,100	0.1%	Rank history: #93 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 25 since FY2022.
82	Southern Cross Aviation, LLC Top agencies DLA (Defense Logistics Agency)	$154,192	0.1%	Rank history: #76 in FY2021, not on the FY2022 list, #71 in FY2024 and #99 in FY2025; up 64 since FY2022.
83	Warfighter Focused Logistics Inc. Top agencies DLA (Defense Logistics Agency)	$149,698	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
84	Jag Components, LLC Top agencies DLA (Defense Logistics Agency)	$145,923	<0.1%	Rank history: #65 in FY2021, #64 in FY2022, #99 in FY2024 and #86 in FY2025; down 20 since FY2022.
85	Bogue Systems Inc Top agencies Navy (Department of the Navy)	$144,202	<0.1%	Rank history: not on the FY2021 list, #75 in FY2022, #90 in FY2024 and not on the FY2025 list; down 10 since FY2022.
86	LD Power Inc. Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$141,217	<0.1%	Rank history: not on the FY2021–FY2022 lists, #62 in FY2024 and #31 in FY2025; new.
87	Heico Aerospace Corporat 2 awardees, including Seal Dynamics LLC and Aerodesign, Inc. Top agencies DLA (Defense Logistics Agency)	$137,430	<0.1%	Rank history: not on the FY2021 list, #86 in FY2022 and not on the FY2024–FY2025 lists; down 1 since FY2022.
88	Tattersall Supply, LLC Top agencies DLA (Defense Logistics Agency)	$136,700	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
89	Crane Co Through Crane Pumps & Systems PFT Corp Top agencies Navy (Department of the Navy)	$133,500	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
90	Management Services Group, Inc. Top agencies DLA (Defense Logistics Agency)	$132,469	<0.1%	Rank history: #83 in FY2021, #68 in FY2022 and not on the FY2024–FY2025 lists; down 22 since FY2022.
91	Livewire Battery Supply, Inc. Top agencies Army (Department of the Army) Treasury (Department of the Treasury) DLA (Defense Logistics Agency)	$127,382	<0.1%	Rank history: #74 in FY2021, #96 in FY2022 and not on the FY2024–FY2025 lists; up 5 since FY2022.
92	International Television Corp Top agencies DLA (Defense Logistics Agency)	$126,921	<0.1%	Rank history: not on the FY2021–FY2022 lists, #75 in FY2024 and #71 in FY2025; new.
93	Aerovironment, Inc. Top agencies DLA (Defense Logistics Agency)	$121,047	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 48 since FY2022.
94	Rev-Cap Company, Inc. Top agencies DLA (Defense Logistics Agency)	$120,600	<0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #68 in FY2025; up 45 since FY2022.
95	Textron Inc. Through Bell Textron Inc. Top agencies DLA (Defense Logistics Agency)	$114,522	<0.1%	Rank history: #56 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 12 since FY2022.
96	Technical Components Inc. Top agencies Navy (Department of the Navy)	$111,536	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
97	Caprice Electronics, Inc. Top agencies DOJ (Department of Justice)	$111,158	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
98	Adirondack Electronics Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$108,337	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 92 since FY2022.
99	Trivad, Inc. Top agencies DLA (Defense Logistics Agency)	$107,800	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 54 since FY2022.
100	Stationary Power Systems Inc. Top agencies DOT (Department of Transportation)	$99,996	<0.1%	Rank history: not on the FY2021–FY2022 lists, #78 in FY2024 and #92 in FY2025; up 83 since FY2022.

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100 of 409 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 33591

Code	Net obligations	Largest contractor
335910 Battery Manufacturing	$77,172,676	OM Group 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 $302 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 33591 contractors in FY2023?

1. Enersys ($74.6M), 2. Eastern Carolina Vocational Center Inc. ($22M), 3. OM Group Inc. ($21.1M), 4. Stryten Energy LLC ($15.9M), 5. Sunpower Corporation ($14.8M), 6. Johnson Controls Security Solutions LLC ($14.2M), 7. Bren-Tronics Defense LLC ($13.9M), 8. Showa Denko K.K. ($10.6M), 9. Mathews Associates Inc. ($8.64M), 10. First Logistex, Inc. ($8.15M).

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