Top 100 Contractors in NAICS 334515: Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, FY2025

Name: Top 100 Contractors in NAICS 334515: Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, FY2025
Creator: GovTribe

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

The top 10 won 55% of FY2025 NAICS 334515 contract dollars

Contract obligations: $493,479,081 Net of deobligations, by contracts coded NAICS 334515
Contractors: 662 Parent companies with an obligation
Largest contractor: PCI Aviation LLC $51.5 million, 10.2% 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	PCI Aviation LLC Top agencies Navy (Department of the Navy)	$51,512,793	10.2%	Rank history: not on the FY2021–FY2024 lists; new.
2	Teradyne Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$47,020,200	9.3%	Rank history: #7 in FY2021, #6 in FY2022, #3 in FY2023 and #5 in FY2024; up 3 since FY2024.
3	Kilgore Flares Company LLC Through Chemring Energetic Devices Inc. Top agencies USAF (Department of the Air Force)	$37,598,724	7.4%	Rank history: not on the FY2021–FY2023 lists and #73 in FY2024; up 70 since FY2024.
4	Total Technology, Inc. Top agencies Army (Department of the Army)	$31,972,108	6.3%	Rank history: not on the FY2021 list, #1 in FY2022, #12 in FY2023 and #14 in FY2024; up 10 since FY2024.
5	Innovative Defense Technologies LLC Top agencies Navy (Department of the Navy)	$27,745,007	5.5%	Rank history: not on the FY2021–FY2022 lists, #18 in FY2023 and #8 in FY2024; up 3 since FY2024.
6	Astronics Test Systems Inc. 2 awardees Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$22,259,193	4.4%	Rank history: not on the FY2021–FY2023 lists and #3 in FY2024; down 3 since FY2024.
7	General Dynamics Corporation 2 awardees, including General Dynamics Mission Systems, Inc. and Electric Boat Corporation Top agencies Army (Department of the Army) Navy (Department of the Navy)	$16,539,776	3.3%	Rank history: not on the FY2021–FY2022 lists, #11 in FY2023 and #15 in FY2024; up 8 since FY2024.
8	Fortive Corporation Through Fluke Electronics Corp Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$14,729,066	2.9%	Rank history: not on the FY2021–FY2023 lists and #11 in FY2024; up 3 since FY2024.
9	The Boeing Company 4 awardees, including Boeing Distribution Services, Inc. and Boeing Distribution Services X, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$13,867,827	2.7%	Rank history: #1 in FY2021, not on the FY2022 list, #1 in FY2023 and #10 in FY2024; up 1 since FY2024.
10	Northrop Grumman Corporation 5 awardees, including Northrop Grumman Systems Corporation Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$13,618,921	2.7%	Rank history: #4 in FY2021, #3 in FY2022, #4 in FY2023 and #7 in FY2024; down 3 since FY2024.
11	BAE Systems Through BAE Systems Information and Electronic Systems Integration Inc. Top agencies USAF (Department of the Air Force)	$10,642,000	2.1%	Rank history: #10 in FY2021, #48 in FY2022, #53 in FY2023 and #28 in FY2024; up 17 since FY2024.
12	Technical Communities, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Commerce (Department of Commerce)	$9,299,121	1.8%	Rank history: #11 in FY2021, #13 in FY2022, not on the FY2023 list and #22 in FY2024; up 10 since FY2024.
13	Ametek Inc. 4 awardees, including Nsi-Mi Technologies Inc., Ametek Programmable Power, Inc. and Petrolab, L.L.C. Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$9,108,051	1.8%	Rank history: #89 in FY2021, #30 in FY2022, #51 in FY2023 and #31 in FY2024; up 18 since FY2024.
14	Rohde & Schwarz GMBH & Co. KG Through Rohde & Schwarz Usa, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Commerce (Department of Commerce)	$8,966,806	1.8%	Rank history: #5 in FY2021, #5 in FY2022, #2 in FY2023 and #9 in FY2024; down 5 since FY2024.
15	Keysight Technologies, Inc. 2 awardees Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$7,826,978	1.5%	Rank history: #6 in FY2021, #10 in FY2022, #6 in FY2023 and #12 in FY2024; down 3 since FY2024.
16	Emerson Electric Co Through National Instruments Corp Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$7,728,478	1.5%	Rank history: not on the FY2021–FY2023 lists and #4 in FY2024; down 12 since FY2024.
17	Orbit/FR Inc. Through Orbit Advanced Technologies, Inc. Top agencies Navy (Department of the Navy)	$7,640,562	1.5%	Rank history: not on the FY2021–FY2024 lists; up 303 since FY2024.
18	GTA Containers, LLC Top agencies Army (Department of the Army)	$7,260,231	1.4%	Rank history: not on the FY2021–FY2024 lists; new.
19	Testek LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) DLA (Defense Logistics Agency)	$6,790,675	1.3%	Rank history: not on the FY2021 list, #47 in FY2022, #5 in FY2023 and #23 in FY2024; up 4 since FY2024.
20	Tyonek Machining and Fabrication, LLC Top agencies USAF (Department of the Air Force)	$6,281,908	1.2%	Rank history: not on the FY2021–FY2023 lists and #51 in FY2024; up 31 since FY2024.
21	Safety Technology Holdings Inc. Through Humanetics Innovative Solutions, Inc. Top agencies DOT (Department of Transportation)	$6,187,565	1.2%	Rank history: not on the FY2021–FY2023 lists and #25 in FY2024; up 4 since FY2024.
22	Textron Inc. Through Textron Systems Corporation Top agencies Navy (Department of the Navy)	$5,389,930	1.1%	Rank history: #3 in FY2021, #16 in FY2022, #15 in FY2023 and not on the FY2024 list; up 101 since FY2024.
23	Berkshire Hathaway Inc. Through Kitco Fiber Optics Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$5,198,832	1.0%	Rank history: not on the FY2021–FY2024 lists; up 79 since FY2024.
24	Silvus Technologies Inc. Through Crfs, Inc. Top agencies FCC (Federal Communications Commission) USAF (Department of the Air Force) Navy (Department of the Navy)	$3,971,375	0.8%	Rank history: not on the FY2021–FY2022 lists, #23 in FY2023 and #27 in FY2024; up 3 since FY2024.
25	Clarke Hess Communication Research Corp Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$3,630,450	0.7%	Rank history: #52 in FY2021, not on the FY2022 list, #93 in FY2023 and not on the FY2024 list; returned.
26	Telectro-Mek Inc. Top agencies DLA (Defense Logistics Agency)	$3,455,841	0.7%	Rank history: #48 in FY2021, #38 in FY2022, #94 in FY2023 and #79 in FY2024; up 53 since FY2024.
27	L3Harris Technologies, Inc. 6 awardees, including L3 Technologies Inc. and L3Harris Maritime Services Inc. Top agencies Navy (Department of the Navy)	$3,402,483	0.7%	Rank history: #9 in FY2021, #15 in FY2022, #21 in FY2023 and #20 in FY2024; down 7 since FY2024.
28	Atlantic Diving Supply, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$3,146,713	0.6%	Rank history: not on the FY2021–FY2023 lists and #44 in FY2024; up 16 since FY2024.
29	Testforce Usa, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) HHS (Department of Health and Human Services)	$2,899,211	0.6%	Rank history: #83 in FY2021, #44 in FY2022, #69 in FY2023 and #45 in FY2024; up 16 since FY2024.
30	Tel-Instrument Electronics Corp Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$2,874,878	0.6%	Rank history: not on the FY2021 list, #24 in FY2022, #87 in FY2023 and #59 in FY2024; up 29 since FY2024.
31	Ets-Lindgren Inc. Top agencies Army (Department of the Army) DOS (Department of State) FCC (Federal Communications Commission)	$2,577,848	0.5%	Rank history: not on the FY2021–FY2023 lists and #36 in FY2024; up 5 since FY2024.
32	Tevet LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$2,270,299	0.4%	Rank history: not on the FY2021–FY2023 lists and #2 in FY2024; down 30 since FY2024.
33	PPD Development LP 2 awardees, including FEI Company and Thermo Fisher Scientific (Asheville) LLC Top agencies HHS (Department of Health and Human Services) Navy (Department of the Navy)	$2,240,025	0.4%	Rank history: not on the FY2021–FY2022 lists, #78 in FY2023 and not on the FY2024 list; up 323 since FY2024.
34	Serco Inc Top agencies Navy (Department of the Navy)	$2,110,578	0.4%	Rank history: not on the FY2021–FY2022 lists, #42 in FY2023 and #13 in FY2024; down 21 since FY2024.
35	Advanced Testing Technologies Inc. Top agencies USAF (Department of the Air Force)	$2,078,980	0.4%	Rank history: #19 in FY2021, #19 in FY2022, #43 in FY2023 and #35 in FY2024; unchanged since FY2024.
36	BNC Corp. Top agencies OSD (Office of the Secretary of Defense) DTRA (Defense Threat Reduction Agency) Navy (Department of the Navy)	$1,935,850	0.4%	Rank history: not on the FY2021–FY2024 lists; up 255 since FY2024.
37	North Atlantic Industries, Inc. Top agencies Navy (Department of the Navy)	$1,853,070	0.4%	Rank history: not on the FY2021–FY2022 lists, #29 in FY2023 and not on the FY2024 list; returned.
38	Sensia LLC Top agencies Navy (Department of the Navy)	$1,791,085	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
39	Dewesoft D.O.O. Through Dewesoft LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) NASA (National Aeronautics and Space Administration)	$1,716,555	0.3%	Rank history: not on the FY2021–FY2022 lists, #95 in FY2023 and not on the FY2024 list; up 138 since FY2024.
40	Leonardo S.p.A. 3 awardees, including DRS Network & Imaging Systems LLC, Daylight Solutions Inc. and Laurel Technologies Partnership Top agencies Army (Department of the Army) Navy (Department of the Navy)	$1,598,543	0.3%	Rank history: #2 in FY2021, #4 in FY2022, #14 in FY2023 and #16 in FY2024; down 24 since FY2024.
41	Fotronic Corporation Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$1,571,981	0.3%	Rank history: #42 in FY2021, #46 in FY2022, #45 in FY2023 and #34 in FY2024; down 7 since FY2024.
42	Hiller Measurements Inc. Top agencies DOT (Department of Transportation)	$1,499,283	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
43	Rees Scientific Corporation Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$1,440,467	0.3%	Rank history: #51 in FY2021, #57 in FY2022, #34 in FY2023 and #66 in FY2024; up 23 since FY2024.
44	Esco Technologies Inc. 2 awardees, including Doble Engineering Company and Vacco Industries Top agencies DOE (Department of Energy) DOI (Department of the Interior) Army (Department of the Army)	$1,436,419	0.3%	Rank history: #36 in FY2021, #35 in FY2022, #19 in FY2023 and #37 in FY2024; down 7 since FY2024.
45	Lockheed Martin Corporation 4 awardees Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$1,311,395	0.3%	Rank history: not on the FY2021 list, #7 in FY2022, #17 in FY2023 and #1 in FY2024; down 44 since FY2024.
46	International Television Corp Top agencies DLA (Defense Logistics Agency) DOT (Department of Transportation) Navy (Department of the Navy)	$1,226,420	0.2%	Rank history: #27 in FY2021, #28 in FY2022, #20 in FY2023 and #30 in FY2024; down 16 since FY2024.
47	Princetel, Inc. Top agencies Navy (Department of the Navy)	$1,137,416	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
48	Kitco LLC Top agencies Navy (Department of the Navy)	$1,116,738	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
49	Concepts Nrec, LLC Top agencies Army (Department of the Army)	$1,100,000	0.2%	Rank history: not on the FY2021–FY2023 lists and #53 in FY2024; up 4 since FY2024.
50	Honeywell International Inc. Top agencies Army (Department of the Army)	$1,097,485	0.2%	Rank history: not on the FY2021 list, #52 in FY2022, not on the FY2023 list and #46 in FY2024; down 4 since FY2024.
51	The Parsons Corporation Through Qrc, LLC Top agencies Army (Department of the Army)	$1,030,974	0.2%	Rank history: not on the FY2021–FY2023 lists and #69 in FY2024; up 18 since FY2024.
52	GMS International Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,022,029	0.2%	Rank history: not on the FY2021–FY2024 lists; up 82 since FY2024.
53	Power Test, LLC Top agencies Navy (Department of the Navy)	$1,017,358	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
54	Applied Research Associates, Inc. Top agencies USAF (Department of the Air Force)	$1,008,007	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
55	3DB Labs Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$972,500	0.2%	Rank history: #25 in FY2021, #54 in FY2022, not on the FY2023 list and #61 in FY2024; up 6 since FY2024.
56	Dol Technologies Inc. Top agencies Navy (Department of the Navy)	$924,000	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
57	Weapons and Tactics Alliance Group Inc. Top agencies USAF (Department of the Air Force)	$854,508	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
58	Seica Inc Top agencies DMEA (Defense Microelectronics Activity) Commerce (Department of Commerce)	$824,944	0.2%	Rank history: not on the FY2021–FY2024 lists; up 272 since FY2024.
59	Intelligent Devices LLC Top agencies Navy (Department of the Navy)	$801,600	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
60	United Western Technologies Corp. Top agencies USAF (Department of the Air Force)	$793,217	0.2%	Rank history: not on the FY2021–FY2023 lists and #84 in FY2024; up 24 since FY2024.
61	Amphenol Corporation 2 awardees, including Marport Americas Inc. and PCB Piezotronics, Inc. Top agencies Commerce (Department of Commerce) DHA (Defense Health Agency)	$779,517	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
62	Chenega Security International, LLC Top agencies USAF (Department of the Air Force)	$752,228	0.1%	Rank history: #60 in FY2021, #66 in FY2022, #62 in FY2023 and #50 in FY2024; down 12 since FY2024.
63	Tektronix, Inc. Top agencies Navy (Department of the Navy) NASA (National Aeronautics and Space Administration)	$732,317	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
64	Caron East, Inc. Top agencies USDA (Department of Agriculture) DOI (Department of the Interior) DOT (Department of Transportation)	$705,033	0.1%	Rank history: #29 in FY2021, #37 in FY2022, #27 in FY2023 and #29 in FY2024; down 35 since FY2024.
65	Adirondack Electronics Inc. Top agencies Navy (Department of the Navy)	$700,734	0.1%	Rank history: not on the FY2021 list, #88 in FY2022 and not on the FY2023–FY2024 lists; up 394 since FY2024.
66	Jess W. Jackson and Associates, Inc. Top agencies Navy (Department of the Navy)	$690,664	0.1%	Rank history: not on the FY2021–FY2024 lists; up 155 since FY2024.
67	New TECH Solutions, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$687,528	0.1%	Rank history: not on the FY2021–FY2024 lists; up 272 since FY2024.
68	SRC Inc. Top agencies USAF (Department of the Air Force)	$608,038	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
69	Gigli Enterprises Inc. Top agencies DLA (Defense Logistics Agency)	$552,261	0.1%	Rank history: not on the FY2021–FY2024 lists; up 170 since FY2024.
70	Peerless Instrument Co., Inc. Top agencies Navy (Department of the Navy)	$538,344	0.1%	Rank history: not on the FY2021–FY2024 lists; up 124 since FY2024.
71	MK Test Systems Americas Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$533,975	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
72	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) USAF (Department of the Air Force)	$527,249	0.1%	Rank history: #30 in FY2021, #49 in FY2022, #50 in FY2023 and #64 in FY2024; down 8 since FY2024.
73	Charon Technologies LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) DHS (Department of Homeland Security)	$513,822	0.1%	Rank history: not on the FY2021–FY2023 lists and #95 in FY2024; up 22 since FY2024.
74	Semquest, Inc. Top agencies Army (Department of the Army)	$491,420	0.1%	Rank history: #65 in FY2021, #58 in FY2022, #73 in FY2023 and #56 in FY2024; down 18 since FY2024.
75	RTX Corporation 9 awardees, including Rockwell Collins, Inc., Raytheon Company and Pratt & Whitney Measurement Systems, Inc. Top agencies Navy (Department of the Navy)	$464,757	0.1%	Rank history: not on the FY2021–FY2024 lists; up 114 since FY2024.
76	Gap Wireless Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$454,737	0.1%	Rank history: not on the FY2021–FY2024 lists; up 98 since FY2024.
77	Huntron Inc. Top agencies USAF (Department of the Air Force)	$453,014	0.1%	Rank history: #38 in FY2021 and not on the FY2022–FY2024 lists; returned.
78	IET Labs Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$451,522	0.1%	Rank history: #39 in FY2021, #92 in FY2022, #86 in FY2023 and not on the FY2024 list; up 50 since FY2024.
79	Virginia Diodes, Inc. Top agencies USAF (Department of the Air Force) Smithsonian (Smithsonian Institution)	$446,400	0.1%	Rank history: not on the FY2021–FY2024 lists; up 38 since FY2024.
80	Sparc Research LLC Through Design Integrated Technology, Inc. Top agencies USAF (Department of the Air Force)	$438,690	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
81	Stratus Services, L.L.C. Through Stratus Systems, Inc. Top agencies DLA (Defense Logistics Agency)	$434,477	0.1%	Rank history: not on the FY2021–FY2024 lists; up 43 since FY2024.
82	Microchip Technology Inc. Top agencies DOT (Department of Transportation) NASA (National Aeronautics and Space Administration) Navy (Department of the Navy)	$428,872	0.1%	Rank history: not on the FY2021 list, #45 in FY2022, #75 in FY2023 and not on the FY2024 list; up 176 since FY2024.
83	Leach International Corp 3 awardees, including King Nutronics Corporation and Data Device Corp Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$427,438	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
84	Madison Electric Co Top agencies DLA (Defense Logistics Agency)	$423,113	0.1%	Rank history: not on the FY2021–FY2023 lists and #60 in FY2024; down 24 since FY2024.
85	Vprime TECH Inc. Top agencies Navy (Department of the Navy) DOI (Department of the Interior)	$412,835	0.1%	Rank history: not on the FY2021–FY2023 lists and #72 in FY2024; down 13 since FY2024.
86	Omicron Electronics Corp USA Top agencies DOI (Department of the Interior) Navy (Department of the Navy)	$409,978	0.1%	Rank history: not on the FY2021–FY2023 lists and #89 in FY2024; up 3 since FY2024.
87	Mu-Del Electronics LLC Top agencies DOT (Department of Transportation)	$405,200	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
88	S I T Corporation Top agencies DLA (Defense Logistics Agency)	$391,932	0.1%	Rank history: not on the FY2021 list, #91 in FY2022, not on the FY2023 list and #83 in FY2024; down 5 since FY2024.
89	Hughes Corp 2 awardees Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$390,493	0.1%	Rank history: not on the FY2021 list, #94 in FY2022 and not on the FY2023–FY2024 lists; up 56 since FY2024.
90	Executive Business Services Inc. 3 awardees, including Precision Analyzer Company L.P., Struers Inc. and Zetec Inc. Top agencies DLA (Defense Logistics Agency) NASA (National Aeronautics and Space Administration) Navy (Department of the Navy)	$387,478	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
91	Applied Physical Electronics, LC Top agencies USAF (Department of the Air Force)	$373,180	0.1%	Rank history: #75 in FY2021 and not on the FY2022–FY2024 lists; returned.
92	Unique Technology Systems LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) NASA (National Aeronautics and Space Administration)	$373,077	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
93	Ultrax Aerospace Inc. Top agencies DHS (Department of Homeland Security)	$357,372	0.1%	Rank history: not on the FY2021–FY2024 lists; up 275 since FY2024.
94	Corelis, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$356,278	0.1%	Rank history: not on the FY2021–FY2023 lists and #68 in FY2024; down 26 since FY2024.
95	Hottinger Bruel & Kjaer Inc. Top agencies NASA (National Aeronautics and Space Administration) Navy (Department of the Navy) DOT (Department of Transportation)	$354,514	0.1%	Rank history: not on the FY2021–FY2024 lists; up 25 since FY2024.
96	Dit-Mco International LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$342,423	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
97	Maccor Inc. Top agencies Navy (Department of the Navy)	$338,910	0.1%	Rank history: not on the FY2021–FY2024 lists; up 22 since FY2024.
98	Ideal System Solutions, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$338,657	0.1%	Rank history: not on the FY2021–FY2024 lists; up 82 since FY2024.
99	Kampi Components Co Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) Army (Department of the Army)	$336,457	0.1%	Rank history: #74 in FY2021 and not on the FY2022–FY2024 lists; up 5 since FY2024.
100	Arhab LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$333,385	0.1%	Rank history: not on the FY2021–FY2024 lists; new.

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100 of 662 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 $506 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 2025 ran Oct 1, 2024 – Sep 30, 2025. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2024. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2024 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 NAICS 334515 contractors in FY2025?

1. PCI Aviation LLC ($51.5M), 2. Teradyne Inc. ($47M), 3. Kilgore Flares Company LLC ($37.6M), 4. Total Technology, Inc. ($32M), 5. Innovative Defense Technologies LLC ($27.7M), 6. Astronics Test Systems Inc. ($22.3M), 7. General Dynamics Corporation ($16.5M), 8. Fortive Corporation ($14.7M), 9. The Boeing Company ($13.9M), 10. Northrop Grumman Corporation ($13.6M).

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