Top 100 Contractors in NAICS 33251: Hardware Manufacturing, FY2021

Name: Top 100 Contractors in NAICS 33251: Hardware Manufacturing, FY2021
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2020 – Sep 30, 2021 Code page on GovTribe

The top 10 won 47% of FY2021 NAICS 33251 contract dollars

Contract obligations: $488,006,559 Net of deobligations, by contracts coded NAICS 33251 or a code under it
Contractors: 1,946 Parent companies with an obligation
Largest contractor: RTX Corporation $116 million, 20.1% 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	RTX Corporation 14 awardees, including Raytheon Company, Hamilton Sundstrand Corporation and Goodrich Corporation Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$116,183,613	20.1%	Rank history: #1 in FY2022, #3 in FY2023 and not on the FY2024–FY2025 lists; unchanged since FY2020.
2	Noble Supply & Logistics, LLC Top agencies GSA (General Services Administration) USAF (Department of the Air Force) Navy (Department of the Navy)	$45,582,582	7.9%	Rank history: #5 in FY2022, #8 in FY2023, #7 in FY2024 and #18 in FY2025; unchanged since FY2020.
3	The Boeing Company 7 awardees, including Boeing Distribution Services Defense LLC, Boeing Distribution Services, Inc. and Boeing Distribution Services X, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$34,486,456	6.0%	Rank history: #3 in FY2022, #9 in FY2023, #13 in FY2024 and #37 in FY2025; unchanged since FY2020.
4	Honeywell International Inc. 2 awardees Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$14,369,239	2.5%	Rank history: #2 in FY2022, #64 in FY2023 and not on the FY2024–FY2025 lists; up 4 since FY2020.
5	Science Applications International Corporation 3 awardees, including Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$14,285,352	2.5%	Rank history: #8 in FY2022, #7 in FY2023, #17 in FY2024 and not on the FY2025 list; unchanged since FY2020.
6	BBA Aviation PLC 2 awardees, including Ontic Engineering & Manufacturing, Inc. Top agencies DLA (Defense Logistics Agency)	$12,984,477	2.2%	Rank history: #13 in FY2022, #16 in FY2023, #45 in FY2024 and not on the FY2025 list; up 5 since FY2020.
7	Wrigglesworth Enterprises Inc. Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force) Army (Department of the Army)	$10,626,466	1.8%	Rank history: #19 in FY2022, #15 in FY2023, #14 in FY2024 and #32 in FY2025; up 7 since FY2020.
8	United Rentals, Inc. Top agencies GSA (General Services Administration) USAF (Department of the Air Force) VA (Department of Veterans Affairs)	$8,445,242	1.5%	Rank history: #12 in FY2022, #12 in FY2023, #12 in FY2024 and #23 in FY2025; up 5 since FY2020.
9	SMR Acquisition LLC Top agencies DLA (Defense Logistics Agency)	$8,189,038	1.4%	Rank history: #28 in FY2022, #18 in FY2023, #30 in FY2024 and #28 in FY2025; up 9 since FY2020.
10	Avon Engineered Fabrications LLC Through Aef-Performance LLC Top agencies DLA (Defense Logistics Agency)	$7,099,345	1.2%	Rank history: #18 in FY2022, #25 in FY2023, #41 in FY2024 and not on the FY2025 list; up 10 since FY2020.
11	David Clark Company Incorporated 2 awardees, including Air-Lock, Incorporated Top agencies NASA (National Aeronautics and Space Administration) DLA (Defense Logistics Agency)	$5,971,428	1.0%	Rank history: not on the FY2022 list, #41 in FY2023, #92 in FY2024 and #67 in FY2025; up 6 since FY2020.
12	Oshkosh Corp 2 awardees, including Oshkosh Defense LLC and JLG Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$5,781,478	1.0%	Rank history: #4 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; down 5 since FY2020.
13	South Texas Lighthouse for the Blind Foundation Top agencies USAF (Department of the Air Force)	$5,762,506	1.0%	Rank history: #16 in FY2022, #33 in FY2023, #31 in FY2024 and #21 in FY2025; new, not ranked in FY2020.
14	Premier & Companies, Inc. Top agencies GSA (General Services Administration) DOJ (Department of Justice) USAF (Department of the Air Force)	$4,699,327	0.8%	Rank history: #9 in FY2022, #6 in FY2023, #4 in FY2024 and #26 in FY2025; up 10 since FY2020.
15	Triman Industries Inc. Top agencies DLA (Defense Logistics Agency)	$4,366,218	0.8%	Rank history: #44 in FY2022, #29 in FY2023, #6 in FY2024 and #15 in FY2025; down 3 since FY2020.
16	C C Distributors, Inc. Top agencies USAF (Department of the Air Force)	$4,352,439	0.8%	Rank history: #6 in FY2022, #5 in FY2023, #2 in FY2024 and #5 in FY2025; down 6 since FY2020.
17	Qinetiq Group PLC 2 awardees, including Qinetiq Inc. and Foster-Miller, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$4,252,571	0.7%	Rank history: #20 in FY2022 and not on the FY2023–FY2025 lists; up 4 since FY2020.
18	Hart Technologies, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$4,018,492	0.7%	Rank history: #27 in FY2022, #11 in FY2023, #20 in FY2024 and #7 in FY2025; up 7 since FY2020.
19	Kipper Tool Company Top agencies GSA (General Services Administration) USAF (Department of the Air Force) Army (Department of the Army)	$3,762,569	0.6%	Rank history: #25 in FY2022, #47 in FY2023 and not on the FY2024–FY2025 lists; unchanged since FY2020.
20	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$3,673,768	0.6%	Rank history: #22 in FY2022, #24 in FY2023, #19 in FY2024 and #11 in FY2025; up 8 since FY2020.
21	Oceaneering International Inc. Top agencies Navy (Department of the Navy)	$3,625,728	0.6%	Rank history: not on the FY2022–FY2025 lists; up 118 since FY2020.
22	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$3,282,850	0.6%	Rank history: #21 in FY2022, #27 in FY2023, #5 in FY2024 and #3 in FY2025; unchanged since FY2020.
23	Stanley Black & Decker, Inc. 3 awardees, including Sargent & Greenleaf Inc. and QRP Inc. Top agencies DLA (Defense Logistics Agency)	$3,054,583	0.5%	Rank history: #23 in FY2022, #19 in FY2023 and not on the FY2024–FY2025 lists; up 20 since FY2020.
24	Kongsberg Gruppen ASA Through Kongsberg Defence & Aerospace AS Top agencies DLA (Defense Logistics Agency)	$2,696,415	0.5%	Rank history: #99 in FY2022 and not on the FY2023–FY2025 lists; up 26 since FY2020.
25	Aarcorp 2 awardees, including AAR Supply Chain, Inc. and AAR Manufacturing, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$2,519,127	0.4%	Rank history: #51 in FY2022 and not on the FY2023–FY2025 lists; up 5 since FY2020.
26	Industries for the Blind and Visually Impaired, Inc. Top agencies USAF (Department of the Air Force)	$2,500,000	0.4%	Rank history: #36 in FY2022, #50 in FY2023, #43 in FY2024 and #34 in FY2025; up 10 since FY2020.
27	Archer Technologies International, Incorporated Top agencies Navy (Department of the Navy)	$2,357,472	0.4%	Rank history: not on the FY2022 list, #40 in FY2023 and not on the FY2024–FY2025 lists; up 54 since FY2020.
28	Transdigm Group Incorporated 15 awardees, including Hartwell Corporation, Transdigm Inc. and Aerocontrolex Group, Inc. Top agencies DLA (Defense Logistics Agency)	$2,306,476	0.4%	Rank history: #17 in FY2022, #14 in FY2023, #98 in FY2024 and not on the FY2025 list; up 1 since FY2020.
29	Sesolinc Grp, Inc. Top agencies DLA (Defense Logistics Agency)	$2,194,336	0.4%	Rank history: #87 in FY2022 and not on the FY2023–FY2025 lists; up 139 since FY2020.
30	Statz Corp Top agencies DLA (Defense Logistics Agency)	$2,094,702	0.4%	Rank history: #24 in FY2022, #56 in FY2023 and not on the FY2024–FY2025 lists; up 15 since FY2020.
31	BAE Systems PLC 4 awardees, including BAE Systems Land & Armaments L.P. and BAE Systems Information & Electronic Systems Integration Inc. Top agencies DLA (Defense Logistics Agency)	$1,975,846	0.3%	Rank history: not on the FY2022 list, #82 in FY2023 and not on the FY2024–FY2025 lists; up 42 since FY2020.
32	Hupp & Associates Inc. Top agencies DLA (Defense Logistics Agency)	$1,927,672	0.3%	Rank history: not on the FY2022–FY2025 lists; up 58 since FY2020.
33	Snap-On Incorporated 2 awardees, including Idsc Holdings LLC and Snap-On Tools International, LLC Top agencies GSA (General Services Administration) Army (Department of the Army) USAF (Department of the Air Force)	$1,900,765	0.3%	Rank history: #37 in FY2022, #31 in FY2023 and not on the FY2024–FY2025 lists; up 237 since FY2020.
34	Spendsmart Group LLC Top agencies USAF (Department of the Air Force)	$1,892,991	0.3%	Rank history: #29 in FY2022, #20 in FY2023, #24 in FY2024 and #24 in FY2025; new, not ranked in FY2020.
35	Maney Aircraft, Inc. Top agencies DLA (Defense Logistics Agency)	$1,870,675	0.3%	Rank history: not on the FY2022–FY2025 lists; up 346 since FY2020.
36	Independent Hardware Inc. Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs) Navy (Department of the Navy)	$1,865,501	0.3%	Rank history: #31 in FY2022, #39 in FY2023, #34 in FY2024 and #31 in FY2025; down 3 since FY2020.
37	Winzer Corporation Top agencies DLA (Defense Logistics Agency)	$1,747,500	0.3%	Rank history: not on the FY2022 list, #88 in FY2023, #59 in FY2024 and not on the FY2025 list; down 3 since FY2020.
38	Brighton Cromwell LLC Top agencies DLA (Defense Logistics Agency)	$1,721,384	0.3%	Rank history: not on the FY2022–FY2025 lists; up 164 since FY2020.
39	Transaero, Inc. Top agencies DLA (Defense Logistics Agency)	$1,720,692	0.3%	Rank history: #50 in FY2022, #49 in FY2023, #69 in FY2024 and #36 in FY2025; up 27 since FY2020.
40	PCI Aviation LLC Top agencies Navy (Department of the Navy)	$1,716,935	0.3%	Rank history: #33 in FY2022, #75 in FY2023, #21 in FY2024 and not on the FY2025 list; up 8 since FY2020.
41	Ontic Engineering & Manufacturing, Inc. 2 awardees, including Firstmark Aerospace Corp Top agencies DLA (Defense Logistics Agency)	$1,689,407	0.3%	Rank history: not on the FY2022–FY2025 lists; up 44 since FY2020.
42	Juniper Elbow Co. Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,620,581	0.3%	Rank history: #26 in FY2022, #71 in FY2023, #23 in FY2024 and #30 in FY2025; up 2 since FY2020.
43	Peerless Aerospace, LLC Top agencies DLA (Defense Logistics Agency)	$1,578,699	0.3%	Rank history: #67 in FY2022, #52 in FY2023, #77 in FY2024 and #88 in FY2025; up 4 since FY2020.
44	Supplycore LLC Top agencies GSA (General Services Administration) DLA (Defense Logistics Agency)	$1,528,062	0.3%	Rank history: not on the FY2022–FY2025 lists; down 2 since FY2020.
45	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$1,474,174	0.3%	Rank history: #86 in FY2022, #42 in FY2023, #60 in FY2024 and not on the FY2025 list; up 14 since FY2020.
46	Basic Rubber and Plastics Co. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,468,750	0.3%	Rank history: #49 in FY2022, #53 in FY2023, #66 in FY2024 and #74 in FY2025; up 6 since FY2020.
47	Fortune Brands Home & Security Inc. Through Master Lock Company LLC Top agencies GSA (General Services Administration) DLA (Defense Logistics Agency)	$1,449,960	0.3%	Rank history: not on the FY2022–FY2025 lists; down 16 since FY2020.
48	Fcn, Inc. Top agencies Treasury (Department of the Treasury)	$1,437,435	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
49	Alcoa Inc. Through Howmet Global Fastening Systems Inc. Top agencies DLA (Defense Logistics Agency)	$1,325,239	0.2%	Rank history: #42 in FY2022, #73 in FY2023 and not on the FY2024–FY2025 lists; up 188 since FY2020.
50	Red Flag Cargo Security Systems LLC Top agencies DHS (Department of Homeland Security)	$1,320,264	0.2%	Rank history: not on the FY2022 list, #60 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
51	Eaton Corporation 2 awardees, including Eaton Aerospace LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,198,074	0.2%	Rank history: #35 in FY2022, #38 in FY2023 and not on the FY2024–FY2025 lists; down 19 since FY2020.
52	Apollo Aerospace Components LLC 2 awardees, including Apollo Aerospace Top agencies DLA (Defense Logistics Agency)	$1,129,535	0.2%	Rank history: #59 in FY2022 and not on the FY2023–FY2025 lists; up 4 since FY2020.
53	Government of Canada Through Canadian Commercial Corporation Top agencies DLA (Defense Logistics Agency)	$1,109,417	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
54	S I T Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,092,853	0.2%	Rank history: not on the FY2022 list, #85 in FY2023, #91 in FY2024 and #81 in FY2025; up 79 since FY2020.
55	Adept Fasteners Inc. Top agencies DLA (Defense Logistics Agency)	$1,060,315	0.2%	Rank history: #69 in FY2022, not on the FY2023 list, #88 in FY2024 and #17 in FY2025; up 33 since FY2020.
56	Don Industrial Group LLC Top agencies DLA (Defense Logistics Agency)	$1,049,970	0.2%	Rank history: #38 in FY2022, #77 in FY2023, #63 in FY2024 and #42 in FY2025; up 179 since FY2020.
57	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency)	$1,042,872	0.2%	Rank history: not on the FY2022–FY2025 lists; up 11 since FY2020.
58	Lynn Electronics LLC Top agencies DLA (Defense Logistics Agency)	$1,021,694	0.2%	Rank history: #71 in FY2022 and not on the FY2023–FY2025 lists; up 26 since FY2020.
59	OSC Solutions Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DOS (Department of State)	$1,004,064	0.2%	Rank history: #7 in FY2022, #4 in FY2023, #3 in FY2024 and #12 in FY2025; up 69 since FY2020.
60	Kpaul Properties LLC Top agencies VA (Department of Veterans Affairs) DOI (Department of the Interior) DHS (Department of Homeland Security)	$999,406	0.2%	Rank history: #53 in FY2022 and not on the FY2023–FY2025 lists; up 26 since FY2020.
61	Jamaica Bearings Co., Inc. 2 awardees Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$991,547	0.2%	Rank history: #83 in FY2022, not on the FY2023 list, #70 in FY2024 and #60 in FY2025; down 6 since FY2020.
62	Ruta Supplies Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$988,813	0.2%	Rank history: #55 in FY2022, #54 in FY2023, #46 in FY2024 and #46 in FY2025; down 11 since FY2020.
63	Wesco Aircraft Hardware Corp. Top agencies DLA (Defense Logistics Agency)	$982,430	0.2%	Rank history: not on the FY2022–FY2025 lists; up 69 since FY2020.
64	United Commercial Supply LLC Top agencies USAF (Department of the Air Force) VA (Department of Veterans Affairs) Treasury (Department of the Treasury)	$965,250	0.2%	Rank history: #47 in FY2022, #62 in FY2023 and not on the FY2024–FY2025 lists; up 13 since FY2020.
65	Nexair LLC Top agencies Navy (Department of the Navy)	$932,564	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
66	Jag Components, LLC Top agencies DLA (Defense Logistics Agency)	$921,579	0.2%	Rank history: not on the FY2022 list, #89 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
67	General Dynamics Corporation 10 awardees, including Electric Boat Corporation, General Dynamics European Land Systems-Bridge Systems GMBH and Bath Iron Works Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$911,034	0.2%	Rank history: #66 in FY2022, not on the FY2023 list, #83 in FY2024 and #75 in FY2025; new, not ranked in FY2020.
68	Integrated Procurement Technologies Top agencies DLA (Defense Logistics Agency)	$910,902	0.2%	Rank history: #62 in FY2022 and not on the FY2023–FY2025 lists; down 3 since FY2020.
69	Defense Support Services, Inc. Top agencies DLA (Defense Logistics Agency)	$893,814	0.2%	Rank history: #65 in FY2022, not on the FY2023 list, #95 in FY2024 and #82 in FY2025; up 14 since FY2020.
70	JML Logistics LLC Top agencies DLA (Defense Logistics Agency)	$890,974	0.2%	Rank history: #41 in FY2022, #86 in FY2023 and not on the FY2024–FY2025 lists; up 2 since FY2020.
71	Zemarc Corporation Top agencies DLA (Defense Logistics Agency)	$866,801	0.1%	Rank history: #60 in FY2022, not on the FY2023 list, #50 in FY2024 and not on the FY2025 list; up 311 since FY2020.
72	L3Harris Technologies, Inc. 13 awardees, including L3 Technologies, Inc., L3Harris Maritime Power & Energy Solutions, Inc. and CAE USA Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$833,398	0.1%	Rank history: not on the FY2022–FY2023 lists, #94 in FY2024 and not on the FY2025 list; up 21 since FY2020.
73	Andritz AG 2 awardees, including Andritz Schuler Incorporated and Graebener Press Systems, Inc. Top agencies Treasury (Department of the Treasury)	$828,249	0.1%	Rank history: not on the FY2022–FY2025 lists; up 163 since FY2020.
74	Bollinger Shipyards Inc Through Chand, L.L.C. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$811,653	0.1%	Rank history: not on the FY2022–FY2025 lists; up 89 since FY2020.
75	Military Petroleum and Water Systems Inc. Top agencies DLA (Defense Logistics Agency)	$802,756	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
76	Shield Technologies Corp Top agencies DLA (Defense Logistics Agency)	$780,494	0.1%	Rank history: not on the FY2022–FY2023 lists, #52 in FY2024 and not on the FY2025 list; up 162 since FY2020.
77	Spec TECH USA Inc. Top agencies DLA (Defense Logistics Agency)	$769,371	0.1%	Rank history: #64 in FY2022, #70 in FY2023, #75 in FY2024 and #59 in FY2025; up 47 since FY2020.
78	Theodor Wille Intertrade GMBH Through Atlantic Diving Supply, Inc. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security) USAF (Department of the Air Force)	$761,930	0.1%	Rank history: #79 in FY2022 and not on the FY2023–FY2025 lists; down 20 since FY2020.
79	TNL Sales LLC Top agencies DLA (Defense Logistics Agency)	$750,504	0.1%	Rank history: not on the FY2022–FY2024 lists and #78 in FY2025; up 68 since FY2020.
80	American Systems Corporation Top agencies Navy (Department of the Navy)	$706,266	0.1%	Rank history: not on the FY2022–FY2023 lists, #28 in FY2024 and #27 in FY2025; new, not ranked in FY2020.
81	GK Mechanical Systems LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$700,471	0.1%	Rank history: not on the FY2022–FY2025 lists; up 93 since FY2020.
82	Janels Industries Inc. Top agencies DLA (Defense Logistics Agency)	$698,923	0.1%	Rank history: #39 in FY2022, not on the FY2023–FY2024 lists and #69 in FY2025; down 4 since FY2020.
83	Huntington Ingalls Industries, Inc. Through Huntington Ingalls Inc. Top agencies Navy (Department of the Navy)	$691,017	0.1%	Rank history: #72 in FY2022, #58 in FY2023, #38 in FY2024 and #16 in FY2025; new, not ranked in FY2020.
84	ASC International, Inc. Top agencies DLA (Defense Logistics Agency)	$689,426	0.1%	Rank history: #85 in FY2022 and not on the FY2023–FY2025 lists; up 47 since FY2020.
85	The Office Group Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DOJ (Department of Justice)	$684,027	0.1%	Rank history: #40 in FY2022, #67 in FY2023, #86 in FY2024 and not on the FY2025 list; down 18 since FY2020.
86	Rapid Rivet and Fastener Corporation Top agencies DLA (Defense Logistics Agency)	$676,797	0.1%	Rank history: not on the FY2022–FY2025 lists; down 32 since FY2020.
87	Tampa Brass and Aluminum Corporation. Top agencies DLA (Defense Logistics Agency)	$670,800	0.1%	Rank history: not on the FY2022 list, #68 in FY2023 and not on the FY2024–FY2025 lists; up 124 since FY2020.
88	Roselm Industries, Inc. Top agencies Navy (Department of the Navy)	$661,810	0.1%	Rank history: not on the FY2022–FY2025 lists; up 57 since FY2020.
89	Greene Metal Products, Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$658,731	0.1%	Rank history: #88 in FY2022 and not on the FY2023–FY2025 lists; up 8 since FY2020.
90	Thomas Instrument, Incorporated Top agencies DLA (Defense Logistics Agency)	$651,392	0.1%	Rank history: not on the FY2022–FY2025 lists; up 8 since FY2020.
91	LC Industries Inc. Top agencies DLA (Defense Logistics Agency)	$642,742	0.1%	Rank history: #61 in FY2022, #21 in FY2023, #22 in FY2024 and #49 in FY2025; down 34 since FY2020.
92	Phoenix Trading Inc. Top agencies DLA (Defense Logistics Agency)	$600,626	0.1%	Rank history: #75 in FY2022, #46 in FY2023, #56 in FY2024 and not on the FY2025 list; up 88 since FY2020.
93	State Industrial Products Corp Top agencies GSA (General Services Administration)	$579,563	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
94	J G Edelen Co Inc. Top agencies DOJ (Department of Justice)	$570,878	0.1%	Rank history: not on the FY2022 list, #80 in FY2023, #96 in FY2024 and not on the FY2025 list; up 29 since FY2020.
95	U.s.a. Spares Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$570,615	0.1%	Rank history: #82 in FY2022 and not on the FY2023–FY2025 lists; up 201 since FY2020.
96	Capewell Aerial Systems LLC 2 awardees, including Aerial Machine & Tool Corporation Top agencies DLA (Defense Logistics Agency) USSOCOM (United States Special Operations Command) Army (Department of the Army)	$570,470	0.1%	Rank history: not on the FY2022 list, #66 in FY2023 and not on the FY2024–FY2025 lists; down 58 since FY2020.
97	Argo Turboserve Corporation 2 awardees Top agencies DLA (Defense Logistics Agency)	$565,537	0.1%	Rank history: #63 in FY2022, #45 in FY2023 and not on the FY2024–FY2025 lists; up 55 since FY2020.
98	Weckworth Manufacturing, Inc. Top agencies DLA (Defense Logistics Agency)	$550,183	0.1%	Rank history: not on the FY2022 list, #99 in FY2023, not on the FY2024 list and #80 in FY2025; down 3 since FY2020.
99	Alegna Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) EOP (Executive Office of the President)	$549,696	0.1%	Rank history: #73 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
100	Doyle Lock Supply, Inc. Top agencies DOJ (Department of Justice)	$544,065	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.

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100 of 1,946 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 33251

Code	Net obligations	Largest contractor
332510 Hardware Manufacturing	$488,006,559	RTX Corporation

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 $579 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 2021 ran Oct 1, 2020 – Sep 30, 2021. 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 FY2020. "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 FY2020 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 33251 contractors in FY2021?

1. RTX Corporation ($116M), 2. Noble Supply & Logistics, LLC ($45.6M), 3. The Boeing Company ($34.5M), 4. Honeywell International Inc. ($14.4M), 5. Science Applications International Corporation ($14.3M), 6. BBA Aviation PLC ($13M), 7. Wrigglesworth Enterprises Inc. ($10.6M), 8. United Rentals, Inc. ($8.45M), 9. SMR Acquisition LLC ($8.19M), 10. Avon Engineered Fabrications LLC ($7.1M).

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