Top 100 Contractors in NAICS 339991: Gasket, Packing, and Sealing Device Manufacturing, FY2025

Name: Top 100 Contractors in NAICS 339991: Gasket, Packing, and Sealing Device Manufacturing, FY2025
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

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

The top 10 won 32% of FY2025 NAICS 339991 contract dollars

Contract obligations: $149,837,497 Net of deobligations, by contracts coded NAICS 339991
Contractors: 934 Parent companies with an obligation
Largest contractor: Heico Corp $16.5 million, 10.4% of obligations
Data as of: Oct 23, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV · Free to reuse with credit to GovTribe (CC BY 4.0)

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Heico Corp 8 awardees, including Pioneer Industries, LLC, Seal Dynamics LLC and Jetseal Inc. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security) Army (Department of the Army)	$16,498,654	10.4%	Rank history: #6 in FY2021, #4 in FY2022, #6 in FY2023 and #8 in FY2024; up 7 since FY2024.
2	Jamaica Bearings Co., Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$7,439,616	4.7%	Rank history: #3 in FY2021, #1 in FY2022, #1 in FY2023 and #1 in FY2024; down 1 since FY2024.
3	ECI Defense Group, Inc. 2 awardees Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$4,241,116	2.7%	Rank history: #22 in FY2021, #24 in FY2022, #21 in FY2023 and #15 in FY2024; up 12 since FY2024.
4	Aviation Devices and Electronic Components, L.L.C. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) DHS (Department of Homeland Security)	$4,192,223	2.6%	Rank history: #2 in FY2021, #2 in FY2022, #3 in FY2023 and #3 in FY2024; down 1 since FY2024.
5	Integrated Procurement Technologies Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$4,074,770	2.6%	Rank history: #74 in FY2021 and not on the FY2022–FY2024 lists; returned.
6	Defense Maritime Solutions, Inc. Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$2,997,667	1.9%	Rank history: #95 in FY2021, not on the FY2022–FY2023 lists and #10 in FY2024; up 4 since FY2024.
7	Triman Industries Inc. 2 awardees, including Brighton Cromwell LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$2,980,067	1.9%	Rank history: #5 in FY2021, #9 in FY2022, #8 in FY2023 and #11 in FY2024; up 4 since FY2024.
8	BMC Software Inc. 2 awardees, including Leslie Controls, Inc. and Circor Naval Solutions LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$2,712,847	1.7%	Rank history: not on the FY2021–FY2024 lists; up 110 since FY2024.
9	DBR Industries, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$2,685,074	1.7%	Rank history: #10 in FY2021, #16 in FY2022, #5 in FY2023 and #7 in FY2024; down 2 since FY2024.
10	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$2,428,635	1.5%	Rank history: #13 in FY2021, #8 in FY2022, #12 in FY2023 and #16 in FY2024; up 6 since FY2024.
11	Basic Rubber and Plastics Co. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$2,315,114	1.5%	Rank history: #8 in FY2021, #10 in FY2022, #9 in FY2023 and #17 in FY2024; up 6 since FY2024.
12	Jkoz Engineering Inc Top agencies DLA (Defense Logistics Agency)	$2,283,714	1.4%	Rank history: #40 in FY2021, #25 in FY2022, #15 in FY2023 and #27 in FY2024; up 15 since FY2024.
13	Norcatec LLC Top agencies DLA (Defense Logistics Agency)	$2,151,410	1.3%	Rank history: #66 in FY2021, not on the FY2022 list, #30 in FY2023 and #56 in FY2024; up 43 since FY2024.
14	Phoenix Trading Inc. Top agencies DLA (Defense Logistics Agency)	$2,144,700	1.3%	Rank history: #27 in FY2021, #11 in FY2022, #24 in FY2023 and #21 in FY2024; up 7 since FY2024.
15	Beldam Crossley Limited Top agencies DLA (Defense Logistics Agency)	$2,139,554	1.3%	Rank history: not on the FY2021–FY2023 lists and #13 in FY2024; down 2 since FY2024.
16	Kirkhill, Inc. Top agencies DLA (Defense Logistics Agency)	$1,855,796	1.2%	Rank history: not on the FY2021–FY2024 lists; up 260 since FY2024.
17	Chand, L.L.C. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$1,748,205	1.1%	Rank history: not on the FY2021–FY2023 lists and #30 in FY2024; up 13 since FY2024.
18	R & M Government Services Inc. Top agencies DLA (Defense Logistics Agency)	$1,678,983	1.1%	Rank history: not on the FY2021–FY2022 lists, #60 in FY2023 and #40 in FY2024; up 22 since FY2024.
19	Proponent, Inc. Through H C Merchandisers, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,613,927	1.0%	Rank history: not on the FY2021–FY2024 lists; new.
20	FBC Enterprises LLC Top agencies DLA (Defense Logistics Agency)	$1,485,109	0.9%	Rank history: #24 in FY2021, #39 in FY2022, #22 in FY2023 and #14 in FY2024; down 6 since FY2024.
21	Arctic Slope Regional Corporation 2 awardees, including Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$1,429,952	0.9%	Rank history: not on the FY2021–FY2023 lists and #6 in FY2024; down 15 since FY2024.
22	Oil States Industries, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,407,023	0.9%	Rank history: not on the FY2021–FY2024 lists; new.
23	Hoosier Industrial Supply, Inc. Top agencies DLA (Defense Logistics Agency)	$1,387,827	0.9%	Rank history: #45 in FY2021, #63 in FY2022, #10 in FY2023 and #19 in FY2024; down 4 since FY2024.
24	S I T Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,310,491	0.8%	Rank history: #44 in FY2021, not on the FY2022 list, #34 in FY2023 and #34 in FY2024; up 10 since FY2024.
25	Argo Turboserve Corporation Top agencies DLA (Defense Logistics Agency)	$1,257,692	0.8%	Rank history: #9 in FY2021, #15 in FY2022, #13 in FY2023 and #5 in FY2024; down 20 since FY2024.
26	The Boeing Company 4 awardees, including Boeing Distribution Services X, Inc., Boeing Distribution, Inc. and Boeing Distribution Services, Inc. Top agencies DLA (Defense Logistics Agency)	$1,254,565	0.8%	Rank history: #21 in FY2021, #26 in FY2022, #23 in FY2023 and #48 in FY2024; up 22 since FY2024.
27	A W Chesterton Co Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$1,184,203	0.7%	Rank history: #47 in FY2021 and not on the FY2022–FY2024 lists; up 122 since FY2024.
28	Kitco LLC Top agencies DLA (Defense Logistics Agency)	$1,093,952	0.7%	Rank history: not on the FY2021–FY2022 lists, #58 in FY2023 and #23 in FY2024; down 5 since FY2024.
29	Parker-Hannifin Corporation 7 awardees, including Aircraft Wheel and Brake, LLC and Meggitt (Orange County), Inc. Top agencies DLA (Defense Logistics Agency) DOJ (Department of Justice)	$1,040,501	0.7%	Rank history: not on the FY2021–FY2023 lists and #62 in FY2024; up 33 since FY2024.
30	Houston Drive Train Vehicle Component Sales, Inc. Top agencies DLA (Defense Logistics Agency)	$1,022,909	0.6%	Rank history: #29 in FY2021, #29 in FY2022, #49 in FY2023 and #44 in FY2024; up 14 since FY2024.
31	Larkos Packing and Distribution Inc. Top agencies DLA (Defense Logistics Agency)	$985,307	0.6%	Rank history: #49 in FY2021, #64 in FY2022, #52 in FY2023 and #32 in FY2024; up 1 since FY2024.
32	Direct Line, Inc. Top agencies DLA (Defense Logistics Agency)	$978,003	0.6%	Rank history: #43 in FY2021, #75 in FY2022, #54 in FY2023 and #43 in FY2024; up 11 since FY2024.
33	Midwest Fiberglas Fabricators, Incorporated Top agencies DLA (Defense Logistics Agency)	$932,357	0.6%	Rank history: #26 in FY2021, #21 in FY2022, #40 in FY2023 and #22 in FY2024; down 11 since FY2024.
34	Jered LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$931,605	0.6%	Rank history: not on the FY2021–FY2024 lists; up 92 since FY2024.
35	Han-Boone International, Inc. Top agencies Navy (Department of the Navy) DOI (Department of the Interior) DLA (Defense Logistics Agency)	$915,288	0.6%	Rank history: #16 in FY2021, #37 in FY2022, #25 in FY2023 and #95 in FY2024; up 60 since FY2024.
36	NTL Industries Inc. Top agencies DLA (Defense Logistics Agency)	$887,855	0.6%	Rank history: not on the FY2021–FY2024 lists; up 181 since FY2024.
37	Kenneth Industrial Products, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$838,675	0.5%	Rank history: #39 in FY2021, #19 in FY2022, #20 in FY2023 and #9 in FY2024; down 28 since FY2024.
38	The Beacon Group Inc Through Beacon Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$825,942	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
39	Alamo Aircraft, Ltd. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$813,496	0.5%	Rank history: not on the FY2021–FY2023 lists and #20 in FY2024; down 19 since FY2024.
40	SAFRAN 3 awardees, including Safran Landing Systems, American Fuel Cell and Coated Fabrics Company, LLC and Safran Landing Systems Wheel & Brake Services LLC Top agencies DLA (Defense Logistics Agency)	$809,317	0.5%	Rank history: not on the FY2021–FY2023 lists and #25 in FY2024; down 15 since FY2024.
41	Allied Defense Industries, LLC Top agencies DLA (Defense Logistics Agency)	$801,736	0.5%	Rank history: not on the FY2021–FY2023 lists and #67 in FY2024; up 26 since FY2024.
42	Seal Master Corp Top agencies DLA (Defense Logistics Agency)	$798,274	0.5%	Rank history: #58 in FY2021, #34 in FY2022, #45 in FY2023 and #24 in FY2024; down 18 since FY2024.
43	Blade Industrial Products Inc. Top agencies DLA (Defense Logistics Agency)	$794,679	0.5%	Rank history: #34 in FY2021, #23 in FY2022, #19 in FY2023 and #36 in FY2024; down 7 since FY2024.
44	Linmarr Associates, Inc. Top agencies DLA (Defense Logistics Agency)	$746,567	0.5%	Rank history: #53 in FY2021, #52 in FY2022, #66 in FY2023 and #42 in FY2024; down 2 since FY2024.
45	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$735,603	0.5%	Rank history: #11 in FY2021, #13 in FY2022, #31 in FY2023 and #31 in FY2024; down 14 since FY2024.
46	Apex Pinnacle Corp Top agencies DLA (Defense Logistics Agency)	$720,614	0.5%	Rank history: not on the FY2021 list, #71 in FY2022 and not on the FY2023–FY2024 lists; up 73 since FY2024.
47	TNL Sales LLC Top agencies DLA (Defense Logistics Agency)	$717,694	0.5%	Rank history: #63 in FY2021, #44 in FY2022, #29 in FY2023 and #35 in FY2024; down 12 since FY2024.
48	K5 Defense LLC Top agencies DLA (Defense Logistics Agency)	$675,628	0.4%	Rank history: not on the FY2021–FY2024 lists; up 248 since FY2024.
49	Transaero, Inc. Top agencies DLA (Defense Logistics Agency)	$635,061	0.4%	Rank history: #17 in FY2021, #7 in FY2022, #7 in FY2023 and #18 in FY2024; down 31 since FY2024.
50	R-Way Gasket & Supply Co Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$628,248	0.4%	Rank history: #59 in FY2021, #62 in FY2022, #63 in FY2023 and #70 in FY2024; up 20 since FY2024.
51	Central Power Systems & Services, LLC Top agencies DLA (Defense Logistics Agency)	$607,863	0.4%	Rank history: not on the FY2021–FY2024 lists; up 86 since FY2024.
52	Mason Electric Co. 4 awardees, including Kirkhill, Inc., King Nutronics Corporation and Arkwin Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$601,501	0.4%	Rank history: not on the FY2021–FY2024 lists; up 166 since FY2024.
53	Esco Technologies Inc. 3 awardees, including Vacco Industries, Westland Technologies, Inc. and Globe Composite Solutions, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$588,681	0.4%	Rank history: #90 in FY2021, #41 in FY2022, #76 in FY2023 and not on the FY2024 list; up 110 since FY2024.
54	San Diego Seal Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$585,087	0.4%	Rank history: #41 in FY2021, #14 in FY2022, #28 in FY2023 and #84 in FY2024; up 30 since FY2024.
55	Martin Military Inc. Top agencies DLA (Defense Logistics Agency)	$584,187	0.4%	Rank history: not on the FY2021 list, #74 in FY2022, #38 in FY2023 and not on the FY2024 list; up 86 since FY2024.
56	Baker & Associates Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$582,590	0.4%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2023 and #59 in FY2024; up 3 since FY2024.
57	Aeromax Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$556,634	0.3%	Rank history: not on the FY2021–FY2024 lists; up 236 since FY2024.
58	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency)	$555,167	0.3%	Rank history: #37 in FY2021, #54 in FY2022, #70 in FY2023 and #38 in FY2024; down 20 since FY2024.
59	Dreamfind, Inc. Top agencies DLA (Defense Logistics Agency)	$541,888	0.3%	Rank history: #50 in FY2021, #33 in FY2022, #53 in FY2023 and #39 in FY2024; down 20 since FY2024.
60	AAR Corp. Through AAR Supply Chain, Inc. Top agencies DLA (Defense Logistics Agency)	$526,906	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
61	Gigli Enterprises, Inc. Top agencies DLA (Defense Logistics Agency)	$523,810	0.3%	Rank history: not on the FY2021–FY2024 lists; up 147 since FY2024.
62	Stein Seal Company Top agencies DLA (Defense Logistics Agency)	$520,281	0.3%	Rank history: not on the FY2021 list, #92 in FY2022, #36 in FY2023 and #51 in FY2024; down 11 since FY2024.
63	Waukesha Bearings Corporation Top agencies DLA (Defense Logistics Agency)	$517,939	0.3%	Rank history: not on the FY2021–FY2024 lists; up 109 since FY2024.
64	Frontgrade Technologies Inc. Top agencies DOT (Department of Transportation) DLA (Defense Logistics Agency)	$516,920	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
65	Dutch Valley Supply Co. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$502,117	0.3%	Rank history: #25 in FY2021, #36 in FY2022, #71 in FY2023 and #33 in FY2024; down 32 since FY2024.
66	Gaskets Orings Rubber Inc. Top agencies DLA (Defense Logistics Agency)	$490,441	0.3%	Rank history: #72 in FY2021, #59 in FY2022, #44 in FY2023 and #49 in FY2024; down 17 since FY2024.
67	Save Again.com Top agencies Navy (Department of the Navy)	$485,010	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
68	Duramax Marine, LLC Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$483,110	0.3%	Rank history: not on the FY2021–FY2023 lists and #90 in FY2024; up 22 since FY2024.
69	PPG Industries, Inc. Through Texstars LLC Top agencies DLA (Defense Logistics Agency)	$478,460	0.3%	Rank history: not on the FY2021 list, #32 in FY2022, not on the FY2023 list and #26 in FY2024; down 43 since FY2024.
70	Bourbon Seals LLC Top agencies DLA (Defense Logistics Agency)	$471,352	0.3%	Rank history: not on the FY2021 list, #85 in FY2022, #85 in FY2023 and #88 in FY2024; up 18 since FY2024.
71	EHB Supply Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$453,894	0.3%	Rank history: not on the FY2021–FY2023 lists and #63 in FY2024; down 8 since FY2024.
72	J.G.B. Enterprises Inc. Through Echelon Supply and Service, Inc. Top agencies DLA (Defense Logistics Agency)	$446,950	0.3%	Rank history: not on the FY2021–FY2024 lists; up 63 since FY2024.
73	VC Displays, Inc. Top agencies DLA (Defense Logistics Agency)	$442,933	0.3%	Rank history: not on the FY2021–FY2024 lists; up 63 since FY2024.
74	Ducommun Labarge Technologies, Inc. Through Magnetic Seal LLC Top agencies DLA (Defense Logistics Agency)	$442,462	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
75	SKF USA Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$435,366	0.3%	Rank history: not on the FY2021–FY2023 lists and #80 in FY2024; up 5 since FY2024.
76	Axisnorth Solutions, Inc. Top agencies DLA (Defense Logistics Agency)	$430,521	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
77	Maney Aircraft, Inc. Top agencies DLA (Defense Logistics Agency)	$414,825	0.3%	Rank history: not on the FY2021–FY2022 lists, #64 in FY2023 and #61 in FY2024; down 16 since FY2024.
78	Acme Products & Engineering Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$410,920	0.3%	Rank history: not on the FY2021–FY2022 lists, #83 in FY2023 and #37 in FY2024; down 41 since FY2024.
79	Johnson Controls Federal Systems, LLC Through Johnson Controls Navy Systems, LLC Top agencies DLA (Defense Logistics Agency)	$408,324	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
80	All-Safe Inc. Top agencies DLA (Defense Logistics Agency)	$398,306	0.2%	Rank history: #69 in FY2021, #93 in FY2022 and not on the FY2023–FY2024 lists; up 62 since FY2024.
81	Greenwood Group Inc. Top agencies DLA (Defense Logistics Agency)	$385,444	0.2%	Rank history: #87 in FY2021 and not on the FY2022–FY2024 lists; up 99 since FY2024.
82	Statz Corp Top agencies DLA (Defense Logistics Agency)	$382,708	0.2%	Rank history: not on the FY2021–FY2023 lists and #53 in FY2024; down 29 since FY2024.
83	Era Industrial Sales Corp Top agencies DLA (Defense Logistics Agency)	$382,536	0.2%	Rank history: not on the FY2021–FY2024 lists; up 321 since FY2024.
84	Sealing Specialists & Service Co Top agencies Navy (Department of the Navy)	$375,713	0.2%	Rank history: #38 in FY2021, #43 in FY2022, #35 in FY2023 and #58 in FY2024; down 26 since FY2024.
85	Ruta Supplies Inc. Top agencies DLA (Defense Logistics Agency)	$356,406	0.2%	Rank history: not on the FY2021 list, #84 in FY2022, #68 in FY2023 and #73 in FY2024; down 12 since FY2024.
86	General Dynamics Corporation 5 awardees, including Electric Boat Corporation, General Dynamics Land Systems - Canada Corporation and General Dynamics-Ots, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$345,062	0.2%	Rank history: #96 in FY2021, not on the FY2022 list, #78 in FY2023 and #69 in FY2024; down 17 since FY2024.
87	Blue Cord Logistic Strategies Inc. Top agencies DLA (Defense Logistics Agency)	$340,808	0.2%	Rank history: #14 in FY2021, #28 in FY2022, #32 in FY2023 and #87 in FY2024; unchanged since FY2024.
88	Spaires Inc. Top agencies DLA (Defense Logistics Agency)	$333,427	0.2%	Rank history: not on the FY2021–FY2024 lists; up 65 since FY2024.
89	Penn Power Group, LLC Top agencies DLA (Defense Logistics Agency)	$331,569	0.2%	Rank history: not on the FY2021–FY2024 lists; up 184 since FY2024.
90	Factory Sales of Texas, Inc. Top agencies DLA (Defense Logistics Agency)	$329,837	0.2%	Rank history: not on the FY2021–FY2024 lists; up 48 since FY2024.
91	Iasa Group LLC Top agencies DLA (Defense Logistics Agency)	$322,735	0.2%	Rank history: not on the FY2021–FY2022 lists, #42 in FY2023 and not on the FY2024 list; up 98 since FY2024.
92	BC Technical Center, LLC Top agencies DLA (Defense Logistics Agency)	$320,245	0.2%	Rank history: not on the FY2021–FY2023 lists and #99 in FY2024; up 7 since FY2024.
93	Am General LLC Top agencies DLA (Defense Logistics Agency)	$319,249	0.2%	Rank history: not on the FY2021–FY2024 lists; up 36 since FY2024.
94	Vehicle Maintenance Program Inc. Top agencies DLA (Defense Logistics Agency)	$314,576	0.2%	Rank history: not on the FY2021–FY2024 lists; up 15 since FY2024.
95	Juniper Elbow Co. Inc. Top agencies DLA (Defense Logistics Agency)	$313,987	0.2%	Rank history: not on the FY2021–FY2024 lists; up 9 since FY2024.
96	U.s. Hardware Supply, Inc. Top agencies DLA (Defense Logistics Agency)	$313,844	0.2%	Rank history: not on the FY2021–FY2023 lists and #85 in FY2024; down 11 since FY2024.
97	PSP Seals LLC Top agencies DLA (Defense Logistics Agency)	$311,789	0.2%	Rank history: #36 in FY2021, #38 in FY2022, #33 in FY2023 and #55 in FY2024; down 42 since FY2024.
98	Aqua-Chem, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$308,259	0.2%	Rank history: not on the FY2021–FY2024 lists; up 50 since FY2024.
99	Simplex Americas LLC Top agencies Navy (Department of the Navy)	$303,236	0.2%	Rank history: not on the FY2021 list, #49 in FY2022 and not on the FY2023–FY2024 lists; returned.
100	Woodward Inc. Through Woodward HRT Inc. Top agencies DLA (Defense Logistics Agency)	$298,773	0.2%	Rank history: not on the FY2021–FY2024 lists; new.

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100 of 934 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 $159 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. An awardee whose own actions mostly name no parent, and that no other company's actions name as their parent, rolls up its SAM.gov registration's chain of parent companies: it counts under the first company there that other companies' actions name as their parent, or under the parent most of a company's own actions name, whichever comes first; with neither, under the highest company in the chain with federal contracts of its own. Joint ventures stay companies of their own. 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 339991 contractors in FY2025?

1. Heico Corp ($16.5M), 2. Jamaica Bearings Co., Inc. ($7.44M), 3. ECI Defense Group, Inc. ($4.24M), 4. Aviation Devices and Electronic Components, L.L.C. ($4.19M), 5. Integrated Procurement Technologies ($4.07M), 6. Defense Maritime Solutions, Inc. ($3M), 7. Triman Industries Inc. ($2.98M), 8. BMC Software Inc. ($2.71M), 9. DBR Industries, Inc. ($2.69M), 10. Kampi Components Co Inc. ($2.43M).

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