Top 100 Contractors in NAICS 33531: Electrical Equipment Manufacturing, FY2023

Name: Top 100 Contractors in NAICS 33531: Electrical Equipment Manufacturing, FY2023
Creator: GovTribe

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

The top 10 won 51% of FY2023 NAICS 33531 contract dollars

Contract obligations: $1,139,737,573 Net of deobligations, by contracts coded NAICS 33531 or a code under it
Contractors: 1,512 Parent companies with an obligation
Largest contractor: Marvin Engineering Co, Inc. $212 million, 17.8% 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	Marvin Engineering Co, Inc. 2 awardees, including Marvin Land Systems, Inc. and Flyer Defense, LLC Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$212,411,052	17.8%	Rank history: not on the FY2021 list, #8 in FY2022 and not on the FY2024–FY2025 lists; up 7 since FY2022.
2	Cummins Inc. 8 awardees, including Cummins Power Generation Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) VA (Department of Veterans Affairs)	$113,218,353	9.5%	Rank history: #1 in FY2021, #2 in FY2022, #14 in FY2024 and #84 in FY2025; unchanged since FY2022.
3	Tepco Energy Partner Incorporated Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$88,566,280	7.4%	Rank history: #3 in FY2021, #1 in FY2022, #2 in FY2024 and #1 in FY2025; down 2 since FY2022.
4	Curtiss-Wright Corporation 9 awardees, including Curtiss-Wright Electro-Mechanical Corporation, Curtiss-Wright Flow Control Corporation and Peerless Instrument Co., Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$50,472,318	4.2%	Rank history: #34 in FY2021, #10 in FY2022, #59 in FY2024 and not on the FY2025 list; up 6 since FY2022.
5	The Chugoku Electric Power Company, Incorporated Top agencies Navy (Department of the Navy)	$34,573,790	2.9%	Rank history: #11 in FY2021, #4 in FY2022, #8 in FY2024 and #6 in FY2025; down 1 since FY2022.
6	Tohoku Electric Power Company Incorporated Top agencies USAF (Department of the Air Force)	$24,968,058	2.1%	Rank history: #18 in FY2021, #6 in FY2022, #13 in FY2024 and #16 in FY2025; unchanged since FY2022.
7	Aviation Ground Equipment Corp Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DHS (Department of Homeland Security)	$23,411,205	2.0%	Rank history: #50 in FY2021, #53 in FY2022, #6 in FY2024 and not on the FY2025 list; up 46 since FY2022.
8	RCT Holdings Inc. Through RCT Systems, Inc. Top agencies Navy (Department of the Navy)	$21,779,684	1.8%	Rank history: #51 in FY2021, #13 in FY2022 and not on the FY2024–FY2025 lists; up 5 since FY2022.
9	Essex Electro Engineers Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$20,433,832	1.7%	Rank history: #48 in FY2021, #54 in FY2022, #10 in FY2024 and #18 in FY2025; up 45 since FY2022.
10	Kohler Co. Top agencies DOT (Department of Transportation)	$19,446,967	1.6%	Rank history: #4 in FY2021, #3 in FY2022 and not on the FY2024–FY2025 lists; down 7 since FY2022.
11	ECI Defense Group, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$17,363,723	1.5%	Rank history: #9 in FY2021, #17 in FY2022, #18 in FY2024 and #15 in FY2025; up 6 since FY2022.
12	Siemens Aktiengesellschaft 4 awardees, including Siemens Industry Inc., Siemens Government Technologies Inc. and Flender Corporation Top agencies USAF (Department of the Air Force) DOS (Department of State) Navy (Department of the Navy)	$16,233,212	1.4%	Rank history: #8 in FY2021, #26 in FY2022, #22 in FY2024 and not on the FY2025 list; up 14 since FY2022.
13	Honeywell International Inc. 8 awardees, including Rocky Research Top agencies Army (Department of the Army) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$16,203,211	1.4%	Rank history: not on the FY2021 list, #5 in FY2022 and not on the FY2024–FY2025 lists; down 8 since FY2022.
14	PD Power Systems, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$15,548,577	1.3%	Rank history: #2 in FY2021, #12 in FY2022, #4 in FY2024 and #5 in FY2025; down 2 since FY2022.
15	Jo-Kell Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$14,131,855	1.2%	Rank history: #19 in FY2021, #7 in FY2022, #11 in FY2024 and #2 in FY2025; down 8 since FY2022.
16	Hawthorne Machinery Co. Top agencies Navy (Department of the Navy)	$12,567,520	1.1%	Rank history: not on the FY2021–FY2022 lists, #30 in FY2024 and not on the FY2025 list; new.
17	General Electric Company 10 awardees, including GE Aviation Systems LLC, GE Grid Solutions LLC and GE Energy Power Conversion USA Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) DLA (Defense Logistics Agency)	$11,500,443	1.0%	Rank history: #17 in FY2021, #18 in FY2022, #24 in FY2024 and #19 in FY2025; up 1 since FY2022.
18	DRS Naval Power Systems Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$10,420,820	0.9%	Rank history: not on the FY2021 list, #93 in FY2022 and not on the FY2024–FY2025 lists; up 75 since FY2022.
19	Girtz Industries Inc. Top agencies Navy (Department of the Navy)	$9,784,850	0.8%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
20	Ducommun Incorporated Through Ducommun Labarge Technologies, Inc. Top agencies Navy (Department of the Navy)	$9,281,960	0.8%	Rank history: #65 in FY2021, #51 in FY2022 and not on the FY2024–FY2025 lists; up 31 since FY2022.
21	Transdigm Group Incorporated 16 awardees, including Leach International Corp, Skurka Aerospace Inc. and Aerocontrolex Group, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) Army (Department of the Army)	$9,173,755	0.8%	Rank history: #15 in FY2021, #9 in FY2022 and not on the FY2024–FY2025 lists; down 12 since FY2022.
22	Schneider Electric USA Inc. Top agencies DOT (Department of Transportation)	$8,406,421	0.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
23	L3Harris Technologies, Inc. 14 awardees, including L3 Technologies, Inc., L3Harris Maritime Power & Energy Solutions, Inc. and L3Harris Maritime Services Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$7,101,541	0.6%	Rank history: #6 in FY2021, #34 in FY2022, #5 in FY2024 and #7 in FY2025; up 11 since FY2022.
24	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) DHS (Department of Homeland Security)	$7,080,643	0.6%	Rank history: #20 in FY2021, #28 in FY2022, #21 in FY2024 and #11 in FY2025; up 4 since FY2022.
25	Northrop Grumman Corporation 10 awardees, including Northrop Grumman Systems Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$6,752,854	0.6%	Rank history: #71 in FY2021, #21 in FY2022, #17 in FY2024 and #3 in FY2025; down 4 since FY2022.
26	Teledyne Technologies Incorporated Through Teledyne Instruments Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$6,239,950	0.5%	Rank history: #77 in FY2021, #16 in FY2022, #23 in FY2024 and not on the FY2025 list; down 10 since FY2022.
27	Murray Benjamin Electric Company LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$6,078,986	0.5%	Rank history: #63 in FY2021, #44 in FY2022, #37 in FY2024 and not on the FY2025 list; up 17 since FY2022.
28	Novatio Engineering, Inc. Top agencies Army (Department of the Army)	$5,791,368	0.5%	Rank history: not on the FY2021 list, #20 in FY2022 and not on the FY2024–FY2025 lists; down 8 since FY2022.
29	Kipper Tool Company Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$5,315,621	0.4%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #35 in FY2025; up 141 since FY2022.
30	Triman Industries Inc. 2 awardees, including Brighton Cromwell LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$5,067,748	0.4%	Rank history: #38 in FY2021, #22 in FY2022, #25 in FY2024 and #14 in FY2025; down 8 since FY2022.
31	Transaero, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$5,017,540	0.4%	Rank history: #45 in FY2021, #48 in FY2022, #40 in FY2024 and #25 in FY2025; up 17 since FY2022.
32	Eaton Corporation 10 awardees, including Sure Power, Inc. and Cooper Power Systems, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) DLA (Defense Logistics Agency)	$4,854,130	0.4%	Rank history: #70 in FY2021, #71 in FY2022 and not on the FY2024–FY2025 lists; up 39 since FY2022.
33	Hansome Energy Systems Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$4,302,892	0.4%	Rank history: #47 in FY2021, #90 in FY2022, #12 in FY2024 and #22 in FY2025; up 57 since FY2022.
34	RTX Corporation 18 awardees, including Raytheon Company, Hamilton Sundstrand Corporation and Hornet Acquisitionco, LLC Top agencies Navy (Department of the Navy)	$4,043,894	0.3%	Rank history: #30 in FY2021, #32 in FY2022 and not on the FY2024–FY2025 lists; down 2 since FY2022.
35	Crane Co 5 awardees, including Eldec Aerospace Corp, Crane Electronics, Inc. and Hydro-Aire Aerospace Corp. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$4,035,898	0.3%	Rank history: #44 in FY2021, #37 in FY2022, #81 in FY2024 and not on the FY2025 list; up 2 since FY2022.
36	Moog Inc. 4 awardees Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) Army (Department of the Army)	$3,993,464	0.3%	Rank history: #61 in FY2021, #25 in FY2022, #32 in FY2024 and #24 in FY2025; down 11 since FY2022.
37	Jamaica Bearings Co., Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$3,803,352	0.3%	Rank history: #39 in FY2021, #31 in FY2022, #50 in FY2024 and #28 in FY2025; down 6 since FY2022.
38	General Cable Corporation Through Prysmian Cables and Systems Usa, LLC Top agencies DLA (Defense Logistics Agency)	$3,674,601	0.3%	Rank history: not on the FY2021 list, #36 in FY2022 and not on the FY2024–FY2025 lists; down 2 since FY2022.
39	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$3,650,546	0.3%	Rank history: #62 in FY2021, #63 in FY2022, #51 in FY2024 and #66 in FY2025; up 24 since FY2022.
40	G & RK Consulting Associates LLC Top agencies DOE (Department of Energy)	$3,557,748	0.3%	Rank history: #22 in FY2021, #24 in FY2022, #71 in FY2024 and #26 in FY2025; down 16 since FY2022.
41	Gemcap Components Inc. Top agencies DLA (Defense Logistics Agency)	$3,540,120	0.3%	Rank history: #49 in FY2021, #47 in FY2022, #45 in FY2024 and #43 in FY2025; up 6 since FY2022.
42	Peerless Electronics Inc. Top agencies DLA (Defense Logistics Agency)	$3,355,108	0.3%	Rank history: #68 in FY2021, #74 in FY2022, #48 in FY2024 and #44 in FY2025; up 32 since FY2022.
43	Native Instinct LLC Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$3,345,277	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
44	Science Applications International Corporation 3 awardees, including Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$2,889,189	0.2%	Rank history: not on the FY2021 list, #61 in FY2022 and not on the FY2024–FY2025 lists; up 17 since FY2022.
45	Woodward Governor Company 3 awardees, including Woodward, Inc. and MPC Products Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) Army (Department of the Army)	$2,862,113	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 145 since FY2022.
46	Government of Canada Through Canadian Commercial Corporation Top agencies Navy (Department of the Navy) Army (Department of the Army)	$2,791,437	0.2%	Rank history: #26 in FY2021, #40 in FY2022, #41 in FY2024 and not on the FY2025 list; down 6 since FY2022.
47	AMS System Technology Company, LLC Top agencies Army (Department of the Army)	$2,777,656	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
48	BBA Aviation PLC 2 awardees, including Ontic Engineering & Manufacturing, Inc. and Ontic Engineering & Manufacturing UK Limited Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$2,480,772	0.2%	Rank history: #64 in FY2021, #14 in FY2022, #61 in FY2024 and not on the FY2025 list; down 34 since FY2022.
49	Arthur'S Enterprises Inc. Through State Electric Supply Co Top agencies DOJ (Department of Justice)	$2,458,237	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
50	BAE Systems PLC 5 awardees, including BAE Systems Land & Armaments L.P. and BAE Systems Information and Electronic Systems Integration Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$2,344,487	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 218 since FY2022.
51	Linmarr Associates, Inc. Top agencies DLA (Defense Logistics Agency)	$2,329,254	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 222 since FY2022.
52	Par Defense Industries, LLC Top agencies DLA (Defense Logistics Agency)	$2,275,829	0.2%	Rank history: not on the FY2021 list, #30 in FY2022, #95 in FY2024 and #60 in FY2025; down 22 since FY2022.
53	Multiquip Inc. Top agencies DHS (Department of Homeland Security)	$2,184,274	0.2%	Rank history: not on the FY2021–FY2022 lists, #33 in FY2024 and not on the FY2025 list; new.
54	Koontz Electric Company, Incorporated Top agencies Army (Department of the Army)	$2,177,753	0.2%	Rank history: #27 in FY2021, #73 in FY2022, not on the FY2024 list and #80 in FY2025; up 19 since FY2022.
55	Lockheed Martin Corporation 10 awardees Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) Army (Department of the Army)	$2,115,276	0.2%	Rank history: not on the FY2021 list, #88 in FY2022 and not on the FY2024–FY2025 lists; up 33 since FY2022.
56	Dcx-Chol Enterprises, Inc. 5 awardees Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) Navy (Department of the Navy)	$2,104,051	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 85 since FY2022.
57	FBC Enterprises LLC Top agencies DLA (Defense Logistics Agency)	$2,089,924	0.2%	Rank history: not on the FY2021–FY2022 lists, #65 in FY2024 and not on the FY2025 list; up 121 since FY2022.
58	Brantner & Associates Inc 3 awardees Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$2,080,819	0.2%	Rank history: not on the FY2021–FY2022 lists, #47 in FY2024 and not on the FY2025 list; new.
59	PAF Electrical, Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior)	$2,068,622	0.2%	Rank history: not on the FY2021–FY2022 lists, #93 in FY2024 and not on the FY2025 list; up 53 since FY2022.
60	Hunter Defense Technolog Through HDT Expeditionary Systems Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$2,064,621	0.2%	Rank history: #52 in FY2021, not on the FY2022 list, #84 in FY2024 and not on the FY2025 list; up 364 since FY2022.
61	Phillip Cable Manufacturing, Inc. Top agencies DLA (Defense Logistics Agency)	$2,003,400	0.2%	Rank history: not on the FY2021 list, #85 in FY2022, #49 in FY2024 and #29 in FY2025; up 24 since FY2022.
62	Slc-Sac JV LLC Top agencies USAF (Department of the Air Force)	$2,001,563	0.2%	Rank history: #36 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
63	Indra Sistemas, Sociedad Anónima Through Minsait Acs, Inc. Top agencies USAF (Department of the Air Force)	$1,959,773	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
64	Leonardo S.p.A. 5 awardees, including DRS Training & Control Systems, LLC, Laurel Technologies Partnership and DRS Technologies Canada Ltd. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) Army (Department of the Army)	$1,957,915	0.2%	Rank history: #13 in FY2021, #11 in FY2022, #20 in FY2024 and #8 in FY2025; down 53 since FY2022.
65	Nexus Power Solutions, LLC Top agencies DOI (Department of the Interior)	$1,942,080	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
66	Parker-Hannifin Corporation 3 awardees, including Meggitt North Hollywood Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) Army (Department of the Army)	$1,922,610	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 110 since FY2022.
67	General Dynamics Corporation 11 awardees, including General Dynamics Motion Control LLC, General Dynamics-Ots, Inc. and General Dynamics Mission Systems, Inc. Top agencies DLA (Defense Logistics Agency)	$1,811,956	0.2%	Rank history: #28 in FY2021, #35 in FY2022, #62 in FY2024 and #21 in FY2025; down 32 since FY2022.
68	C E Niehoff & Co Top agencies DLA (Defense Logistics Agency)	$1,792,450	0.2%	Rank history: #40 in FY2021, not on the FY2022 list, not on the FY2024 list and #46 in FY2025; up 39 since FY2022.
69	US21 Inc Top agencies DOS (Department of State) Army (Department of the Army)	$1,731,950	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
70	SAFRAN 6 awardees, including Safran Power USA LLC, Avox Systems Inc. and Curtiss-Wright Flow Control Service, LLC Top agencies DLA (Defense Logistics Agency)	$1,698,210	0.1%	Rank history: not on the FY2021 list, #60 in FY2022 and not on the FY2024–FY2025 lists; down 10 since FY2022.
71	The Carlyle Johnson Machine Co, LLC Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$1,691,761	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 80 since FY2022.
72	Coil Winding Specialist, Inc. Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$1,668,036	0.1%	Rank history: not on the FY2021 list, #80 in FY2022 and not on the FY2024–FY2025 lists; up 8 since FY2022.
73	Howden American Fan Company Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,635,169	0.1%	Rank history: not on the FY2021 list, #59 in FY2022 and not on the FY2024–FY2025 lists; down 14 since FY2022.
74	Windward Enterprises, LLC Top agencies DLA (Defense Logistics Agency)	$1,623,718	0.1%	Rank history: #96 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 57 since FY2022.
75	Smiths Group PLC Through Smiths Detection Inc. Top agencies DLA (Defense Logistics Agency)	$1,618,993	0.1%	Rank history: not on the FY2021 list, #64 in FY2022 and not on the FY2024–FY2025 lists; down 11 since FY2022.
76	Inglett & Stubbs International LLC Top agencies DHS (Department of Homeland Security)	$1,614,913	0.1%	Rank history: #21 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 130 since FY2022.
77	Caterpillar Inc. Top agencies DOE (Department of Energy) Navy (Department of the Navy)	$1,569,637	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
78	Electrical Corporation of America Inc. Top agencies Army (Department of the Army)	$1,567,250	0.1%	Rank history: #53 in FY2021, not on the FY2022 list, #73 in FY2024 and not on the FY2025 list; up 228 since FY2022.
79	Mary Helen Parkey Top agencies Army (Department of the Army) DOE (Department of Energy) Navy (Department of the Navy)	$1,509,078	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 63 since FY2022.
80	Production Products Manufacturing & Sales Co., Inc. Top agencies Army (Department of the Army)	$1,498,755	0.1%	Rank history: not on the FY2021–FY2022 lists, #36 in FY2024 and not on the FY2025 list; new.
81	Dircksen & Associates, Inc. Top agencies DLA (Defense Logistics Agency)	$1,495,694	0.1%	Rank history: not on the FY2021–FY2022 lists, #57 in FY2024 and #64 in FY2025; up 130 since FY2022.
82	Board of Governers State University System of Florida Through Florida State University Top agencies Navy (Department of the Navy)	$1,446,509	0.1%	Rank history: #58 in FY2021, #27 in FY2022, #27 in FY2024 and not on the FY2025 list; down 55 since FY2022.
83	Potomac Electric Corp Top agencies Army (Department of the Army) Navy (Department of the Navy)	$1,445,060	0.1%	Rank history: not on the FY2021 list, #83 in FY2022 and not on the FY2024–FY2025 lists; unchanged since FY2022.
84	Dutch Valley Supply Co. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) Army (Department of the Army)	$1,397,517	0.1%	Rank history: #75 in FY2021, #62 in FY2022, #98 in FY2024 and not on the FY2025 list; down 22 since FY2022.
85	Sensor Systems, L.L.C. Top agencies Navy (Department of the Navy)	$1,386,500	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #100 in FY2025; up 83 since FY2022.
86	Ametek Inc. 7 awardees, including Intellipower, Inc., Powervar Inc. and Abaco Systems, Inc. Top agencies Navy (Department of the Navy) USDA (Department of Agriculture) VA (Department of Veterans Affairs)	$1,377,566	0.1%	Rank history: #79 in FY2021, #42 in FY2022 and not on the FY2024–FY2025 lists; down 44 since FY2022.
87	Bauer, Inc. Top agencies USAF (Department of the Air Force)	$1,363,940	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #54 in FY2025; new.
88	Sherwood Avionics and Accessories, Inc. Top agencies Army (Department of the Army)	$1,354,360	0.1%	Rank history: not on the FY2021 list, #39 in FY2022 and not on the FY2024–FY2025 lists; down 49 since FY2022.
89	Lektron Inc. Top agencies Army (Department of the Army)	$1,328,188	0.1%	Rank history: #99 in FY2021, not on the FY2022 list, not on the FY2024 list and #39 in FY2025; up 12 since FY2022.
90	D.p. Brown of Pennsylvania, Corp Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,320,628	0.1%	Rank history: #88 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 14 since FY2022.
91	Ultra Electronics Forensic Technology Inc 3 awardees, including Ems Development Corporation, Measurement Systems Inc. and Ultra Electronics TCS Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,301,745	0.1%	Rank history: #69 in FY2021, #82 in FY2022 and not on the FY2024–FY2025 lists; down 9 since FY2022.
92	Chester Supply, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,290,998	0.1%	Rank history: not on the FY2021–FY2022 lists, #92 in FY2024 and not on the FY2025 list; new.
93	R & M Government Services Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$1,290,234	0.1%	Rank history: #73 in FY2021, not on the FY2022 list, #80 in FY2024 and not on the FY2025 list; up 144 since FY2022.
94	Massa Products Corporation Top agencies DLA (Defense Logistics Agency)	$1,285,769	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
95	Elbit Systems Ltd 4 awardees, including Elbitamerica, Inc., Real-Time Laboratories, LLC and Elbit Systems of America - Night Vision LLC Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$1,270,077	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
96	Tarplett Generator Services Limited Top agencies USAF (Department of the Air Force)	$1,264,001	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
97	ECO Euro Power Co., Ltd. Top agencies Army (Department of the Army)	$1,250,096	0.1%	Rank history: not on the FY2021–FY2022 lists, #76 in FY2024 and #65 in FY2025; up 22 since FY2022.
98	L3HARRIS Aviation Products Inc 2 awardees, including L3Harris Maritime Power & Energy Solutions, Inc. Top agencies Navy (Department of the Navy)	$1,243,933	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
99	Nacci Construction Services, Inc. Top agencies VA (Department of Veterans Affairs)	$1,227,109	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
100	Bright Lights Usa, Inc. Top agencies Army (Department of the Army)	$1,222,723	0.1%	Rank history: #82 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 127 since FY2022.

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100 of 1,512 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 33531

Code	Net obligations	Largest contractor
335312 Motor and Generator Manufacturing	$649,223,118	Marvin Engineering Co, Inc.
335311 Power, Distribution, and Specialty Transformer Manufacturing	$327,408,250	Tepco Energy Partner Incorporated
335314 Relay and Industrial Control Manufacturing	$83,428,373	ECI Defense Group, Inc.
335313 Switchgear and Switchboard Apparatus Manufacturing	$79,677,833	Jo-Kell 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 $1.19 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 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 33531 contractors in FY2023?

1. Marvin Engineering Co, Inc. ($212M), 2. Cummins Inc. ($113M), 3. Tepco Energy Partner Incorporated ($88.6M), 4. Curtiss-Wright Corporation ($50.5M), 5. The Chugoku Electric Power Company, Incorporated ($34.6M), 6. Tohoku Electric Power Company Incorporated ($25M), 7. Aviation Ground Equipment Corp ($23.4M), 8. RCT Holdings Inc. ($21.8M), 9. Essex Electro Engineers Inc. ($20.4M), 10. Kohler Co. ($19.4M).

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