Top 100 Contractors in NAICS 332919: Other Metal Valve and Pipe Fitting Manufacturing, FY2021

Name: Top 100 Contractors in NAICS 332919: Other Metal Valve and Pipe Fitting Manufacturing, FY2021
Creator: GovTribe

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

The top 10 won 38% of FY2021 NAICS 332919 contract dollars

Contract obligations: $121,167,196 Net of deobligations, by contracts coded NAICS 332919
Contractors: 828 Parent companies with an obligation
Largest contractor: Esco Technologies Inc. $13.8 million, 10.7% of obligations
Data as of: Oct 14, 2026

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

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Esco Technologies Inc. Through Vacco Industries Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$13,752,934	10.7%	Rank history: #1 in FY2022, #2 in FY2023, #2 in FY2024 and #42 in FY2025; up 3 since FY2020.
2	Sargent Aerospace & Defense LLC Top agencies Navy (Department of the Navy)	$9,070,600	7.0%	Rank history: #3 in FY2022, #1 in FY2023, #5 in FY2024 and not on the FY2025 list; up 12 since FY2020.
3	Bell Boeing Joint Project Office Top agencies DLA (Defense Logistics Agency)	$5,346,987	4.1%	Rank history: #4 in FY2022, #7 in FY2023, #16 in FY2024 and #3 in FY2025; down 1 since FY2020.
4	Fluidyne Corporation Top agencies Navy (Department of the Navy)	$3,955,356	3.1%	Rank history: #11 in FY2022, #9 in FY2023, #26 in FY2024 and #19 in FY2025; up 62 since FY2020.
5	Warren Pumps LLC 4 awardees, including Hale Hamilton (Valves) Limited, Leslie Controls, Inc. and Circor Naval Solutions LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$3,746,722	2.9%	Rank history: #9 in FY2022, #12 in FY2023, #19 in FY2024 and not on the FY2025 list; up 6 since FY2020.
6	Marotta Controls Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$2,951,847	2.3%	Rank history: #10 in FY2022, #5 in FY2023, #3 in FY2024 and #6 in FY2025; up 4 since FY2020.
7	RTX Corporation 6 awardees, including Hamilton Sundstrand Corporation, Raytheon Company and Hamilton Sunstrand Aviation Services Inc. Top agencies Navy (Department of the Navy)	$2,828,814	2.2%	Rank history: #70 in FY2022, #70 in FY2023 and not on the FY2024–FY2025 lists; up 49 since FY2020.
8	U.s.a. Spares Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$2,824,392	2.2%	Rank history: #6 in FY2022, #8 in FY2023, #11 in FY2024 and #16 in FY2025; up 1 since FY2020.
9	JA Moody LLC 2 awardees, including ESI Acquisition Corp Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$2,772,850	2.1%	Rank history: #16 in FY2022, #46 in FY2023, #32 in FY2024 and #30 in FY2025; down 4 since FY2020.
10	Natstar Defense Inc. Top agencies Navy (Department of the Navy)	$1,685,809	1.3%	Rank history: #36 in FY2022, #64 in FY2023, not on the FY2024 list and #67 in FY2025; up 36 since FY2020.
11	Nibco Inc. 2 awardees, including Milwaukee Valve Company, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,657,694	1.3%	Rank history: #28 in FY2022, #18 in FY2023 and not on the FY2024–FY2025 lists; up 98 since FY2020.
12	Oil States Industries Inc 2 awardees Top agencies Navy (Department of the Navy)	$1,637,697	1.3%	Rank history: #7 in FY2022, #28 in FY2023, #9 in FY2024 and not on the FY2025 list; up 57 since FY2020.
13	Emerson Electric Co Through Emerson Automation Solutions Final Control US LP Top agencies Navy (Department of the Navy)	$1,632,490	1.3%	Rank history: #8 in FY2022, #15 in FY2023 and not on the FY2024–FY2025 lists; down 7 since FY2020.
14	General Nuclear Corp Top agencies Navy (Department of the Navy)	$1,624,580	1.3%	Rank history: #52 in FY2022, #67 in FY2023 and not on the FY2024–FY2025 lists; up 22 since FY2020.
15	Painter Tool Incorporated Top agencies Navy (Department of the Navy)	$1,530,722	1.2%	Rank history: #99 in FY2022, #20 in FY2023, #27 in FY2024 and #13 in FY2025; up 1 since FY2020.
16	Curtiss-Wright Corporation 7 awardees, including Curtiss-Wright Flow Control Corporation and Curtiss-Wright Electro-Mechanical Corp Top agencies Navy (Department of the Navy)	$1,429,121	1.1%	Rank history: #25 in FY2022, #27 in FY2023 and not on the FY2024–FY2025 lists; up 22 since FY2020.
17	Griswold Industries Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$1,305,953	1.0%	Rank history: #5 in FY2022, #13 in FY2023, #10 in FY2024 and #9 in FY2025; down 9 since FY2020.
18	Allied Marine Services LLC Top agencies DLA (Defense Logistics Agency)	$1,283,480	1.0%	Rank history: #17 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
19	Treadwell Corporation (Delaware) Top agencies Navy (Department of the Navy)	$1,251,985	1.0%	Rank history: #2 in FY2022, #3 in FY2023, #7 in FY2024 and #2 in FY2025; up 133 since FY2020.
20	L3Harris Technologies, Inc. 7 awardees, including CAE USA Inc., L3Harris Maritime Power & Energy Solutions, Inc. and L3 Technologies, Inc. Top agencies Navy (Department of the Navy)	$1,236,600	1.0%	Rank history: #13 in FY2022, #30 in FY2023, #38 in FY2024 and #41 in FY2025; up 64 since FY2020.
21	Science Applications International Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,222,344	0.9%	Rank history: #60 in FY2022, #32 in FY2023 and not on the FY2024–FY2025 lists; down 9 since FY2020.
22	Megabite Electronics, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,215,823	0.9%	Rank history: not on the FY2022–FY2025 lists; up 134 since FY2020.
23	Derbyshire Machine & Tool Co Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,202,265	0.9%	Rank history: #33 in FY2022, #39 in FY2023, #36 in FY2024 and #23 in FY2025; up 98 since FY2020.
24	Kampi Components Co Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,163,339	0.9%	Rank history: #21 in FY2022, #29 in FY2023, #33 in FY2024 and #18 in FY2025; down 6 since FY2020.
25	S I T Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,038,434	0.8%	Rank history: #57 in FY2022, #45 in FY2023, not on the FY2024 list and #17 in FY2025; up 40 since FY2020.
26	Eaton Corporation 7 awardees, including Eaton Aerospace LLC and Danfoss Power Solutions II, LLC Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$988,679	0.8%	Rank history: #31 in FY2022, #14 in FY2023, #35 in FY2024 and #14 in FY2025; down 9 since FY2020.
27	Moog Inc. 3 awardees Top agencies Navy (Department of the Navy)	$939,011	0.7%	Rank history: #14 in FY2022, #16 in FY2023, #13 in FY2024 and #28 in FY2025; down 1 since FY2020.
28	Seahorse Defense Supply, LLC Top agencies Navy (Department of the Navy)	$866,673	0.7%	Rank history: not on the FY2022–FY2025 lists; up 216 since FY2020.
29	ECI Defense Group, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$840,944	0.7%	Rank history: not on the FY2022 list, #10 in FY2023, #21 in FY2024 and #15 in FY2025; up 258 since FY2020.
30	BAE Systems PLC 4 awardees, including BAE Systems (Operations) Limited, BAE Systems Information & Electronic Systems Integration Inc. and BAE Systems Land & Armaments L.P. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$839,190	0.7%	Rank history: not on the FY2022–FY2025 lists; up 267 since FY2020.
31	Adirondack Electronics Inc. Top agencies Navy (Department of the Navy)	$812,504	0.6%	Rank history: #32 in FY2022, #40 in FY2023, #47 in FY2024 and #73 in FY2025; up 6 since FY2020.
32	Gardner Denver Nash LLC Top agencies Navy (Department of the Navy)	$757,358	0.6%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
33	RIX Industries Top agencies Navy (Department of the Navy)	$739,226	0.6%	Rank history: not on the FY2022 list, #75 in FY2023, not on the FY2024 list and #57 in FY2025; up 189 since FY2020.
34	Federal Resources Supply Company 2 awardees, including Wright Tool Company, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$734,451	0.6%	Rank history: #42 in FY2022, #59 in FY2023 and not on the FY2024–FY2025 lists; up 36 since FY2020.
35	F C Industries Inc Through A F C Tool Co., Inc. Top agencies Navy (Department of the Navy)	$724,332	0.6%	Rank history: not on the FY2022–FY2025 lists; up 325 since FY2020.
36	Rolls-Royce Military Aero Engines Ltd Through Rolls-Royce Marine North America Inc. Top agencies Navy (Department of the Navy)	$719,702	0.6%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
37	Allied Defense Industries Inc. 2 awardees, including Allied Marine Services LLC Top agencies DLA (Defense Logistics Agency)	$719,132	0.6%	Rank history: #49 in FY2022, #22 in FY2023, #100 in FY2024 and not on the FY2025 list; down 24 since FY2020.
38	Mellinger Engineering, Incorporated Top agencies Navy (Department of the Navy)	$712,752	0.6%	Rank history: #12 in FY2022, #33 in FY2023, #48 in FY2024 and #37 in FY2025; down 4 since FY2020.
39	Dibert Valve and Fitting Company, Incorporated 2 awardees Top agencies Navy (Department of the Navy) Commerce (Department of Commerce)	$706,642	0.5%	Rank history: #53 in FY2022, #63 in FY2023, #61 in FY2024 and #99 in FY2025; up 11 since FY2020.
40	Northrop Grumman Corporation 5 awardees, including Northrop Grumman Systems Corporation Top agencies Navy (Department of the Navy)	$693,934	0.5%	Rank history: #24 in FY2022, not on the FY2023 list, #39 in FY2024 and #40 in FY2025; down 10 since FY2020.
41	Honeywell International Inc. Top agencies Navy (Department of the Navy)	$665,931	0.5%	Rank history: #43 in FY2022, #26 in FY2023, not on the FY2024 list and #33 in FY2025; down 38 since FY2020.
42	Fluid Handling Resources LLC Top agencies Navy (Department of the Navy)	$658,000	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
43	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$649,932	0.5%	Rank history: #59 in FY2022, #95 in FY2023, not on the FY2024 list and #69 in FY2025; down 21 since FY2020.
44	Integrated Procurement Technologies Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$645,981	0.5%	Rank history: #23 in FY2022, #17 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2020.
45	III Williams LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$637,479	0.5%	Rank history: #81 in FY2022 and not on the FY2023–FY2025 lists; up 28 since FY2020.
46	Detroit Switch Inc. Top agencies DLA (Defense Logistics Agency)	$595,733	0.5%	Rank history: #55 in FY2022, #47 in FY2023, #52 in FY2024 and #50 in FY2025; up 8 since FY2020.
47	General Dynamics Corporation 6 awardees, including Electric Boat Corporation, General Dynamics Mission Systems, Inc. and General Dynamics-Ots, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$581,735	0.5%	Rank history: #41 in FY2022, not on the FY2023–FY2024 lists and #11 in FY2025; up 114 since FY2020.
48	Transdigm Group Incorporated 7 awardees, including Duke's Aerospace, Inc., Transdigm Inc. and Tactair Fluid Controls Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$557,127	0.4%	Rank history: not on the FY2022 list, #80 in FY2023 and not on the FY2024–FY2025 lists; up 198 since FY2020.
49	Technical Communities, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$549,108	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
50	SFC Valve Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$545,299	0.4%	Rank history: #37 in FY2022, #19 in FY2023, #22 in FY2024 and #39 in FY2025; up 221 since FY2020.
51	New England Specialty Components, LLC Top agencies DLA (Defense Logistics Agency)	$544,253	0.4%	Rank history: #84 in FY2022, not on the FY2023 list, #97 in FY2024 and not on the FY2025 list; up 53 since FY2020.
52	Keystone Fire Protection Co Top agencies DLA (Defense Logistics Agency)	$506,775	0.4%	Rank history: not on the FY2022–FY2025 lists; up 12 since FY2020.
53	Advanced Computer Concepts, Inc. Top agencies Navy (Department of the Navy)	$503,821	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
54	R P M Supply Corporation Top agencies Navy (Department of the Navy)	$490,664	0.4%	Rank history: #44 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
55	Metrex Valve Corp. Top agencies Navy (Department of the Navy)	$467,858	0.4%	Rank history: not on the FY2022–FY2025 lists; up 37 since FY2020.
56	Aarcorp 2 awardees, including AAR Supply Chain, Inc. Top agencies DLA (Defense Logistics Agency)	$458,685	0.4%	Rank history: #47 in FY2022, not on the FY2023 list, #69 in FY2024 and not on the FY2025 list; down 33 since FY2020.
57	United States Technologies Inc. Top agencies Navy (Department of the Navy)	$437,800	0.3%	Rank history: not on the FY2022–FY2025 lists; up 169 since FY2020.
58	Tri-State Technical Sales Corp Top agencies Navy (Department of the Navy)	$435,388	0.3%	Rank history: not on the FY2022–FY2025 lists; up 104 since FY2020.
59	Bollinger Shipyards Inc Through Chand, L.L.C. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$413,115	0.3%	Rank history: not on the FY2022 list, #93 in FY2023 and not on the FY2024–FY2025 lists; up 35 since FY2020.
60	American Industrial Acquisition Corp Through Titanium Fabrication Corp Top agencies Navy (Department of the Navy)	$400,150	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
61	Marvin Engineering Co, Inc. 2 awardees, including Marvin Land Systems, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$385,289	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
62	Triman Industries Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$368,897	0.3%	Rank history: #27 in FY2022, #23 in FY2023, #28 in FY2024 and #22 in FY2025; down 55 since FY2020.
63	DK Machine Inc. Top agencies Navy (Department of the Navy)	$362,435	0.3%	Rank history: not on the FY2022 list, #41 in FY2023, #30 in FY2024 and #5 in FY2025; up 101 since FY2020.
64	Talan Industries LLC Top agencies DLA (Defense Logistics Agency)	$362,376	0.3%	Rank history: not on the FY2022–FY2025 lists; down 9 since FY2020.
65	Pawling Engineered Products LLC Top agencies Navy (Department of the Navy)	$360,000	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
66	Hunt Valve Company, Inc. 2 awardees, including Pima Valve, LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$358,456	0.3%	Rank history: not on the FY2022–FY2023 lists, #31 in FY2024 and not on the FY2025 list; down 37 since FY2020.
67	Vacuum Technology Associates, Inc. Top agencies Navy (Department of the Navy)	$335,703	0.3%	Rank history: not on the FY2022–FY2025 lists; up 79 since FY2020.
68	Leidos Holdings, Inc. 2 awardees, including Leidos, Inc. Top agencies Navy (Department of the Navy)	$333,466	0.3%	Rank history: not on the FY2022–FY2024 lists and #81 in FY2025; new, not ranked in FY2020.
69	Argo Turboserve Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$333,178	0.3%	Rank history: #18 in FY2022, #31 in FY2023, #25 in FY2024 and not on the FY2025 list; up 137 since FY2020.
70	The Union Iron Works Top agencies Army (Department of the Army)	$333,044	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
71	EOS Inc. Top agencies DLA (Defense Logistics Agency)	$324,344	0.3%	Rank history: not on the FY2022–FY2025 lists; up 40 since FY2020.
72	Custom Hydraulic & Machine, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$314,200	0.2%	Rank history: not on the FY2022–FY2024 lists and #80 in FY2025; up 99 since FY2020.
73	Johnson Controls Security Solutions LLC Through Johnson Controls Navy Systems, LLC Top agencies DLA (Defense Logistics Agency)	$299,045	0.2%	Rank history: #68 in FY2022, #96 in FY2023 and not on the FY2024–FY2025 lists; up 7 since FY2020.
74	W. & O. Supply Inc. 3 awardees, including The Hiller Companies LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$296,160	0.2%	Rank history: not on the FY2022–FY2025 lists; up 38 since FY2020.
75	Aerocontrolex Group, Inc. Top agencies DLA (Defense Logistics Agency)	$292,468	0.2%	Rank history: not on the FY2022 list, #57 in FY2023, not on the FY2024 list and #32 in FY2025; new, not ranked in FY2020.
76	Echelon Supply and Service, Inc. Top agencies DLA (Defense Logistics Agency)	$291,951	0.2%	Rank history: #48 in FY2022, #82 in FY2023 and not on the FY2024–FY2025 lists; down 45 since FY2020.
77	MTU Aero Engines Holding AG Through Vericor Power Systems LLC Top agencies Navy (Department of the Navy)	$287,080	0.2%	Rank history: #38 in FY2022, not on the FY2023 list, #72 in FY2024 and not on the FY2025 list; down 28 since FY2020.
78	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$278,060	0.2%	Rank history: #85 in FY2022, #99 in FY2023, not on the FY2024 list and #85 in FY2025; down 33 since FY2020.
79	Gaffel Equipment Top agencies Navy (Department of the Navy)	$277,280	0.2%	Rank history: #98 in FY2022, not on the FY2023 list, #57 in FY2024 and not on the FY2025 list; up 10 since FY2020.
80	Derbyshire Marine Products, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$274,524	0.2%	Rank history: not on the FY2022–FY2025 lists; up 189 since FY2020.
81	Dutch Valley Supply Co. Top agencies Navy (Department of the Navy)	$260,340	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
82	Woodward Governor Company 2 awardees, including Woodward HRT Inc. and Woodward, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$256,345	0.2%	Rank history: #29 in FY2022, #81 in FY2023 and not on the FY2024–FY2025 lists; down 63 since FY2020.
83	Statz Corp Top agencies DLA (Defense Logistics Agency)	$255,808	0.2%	Rank history: not on the FY2022–FY2025 lists; down 7 since FY2020.
84	Jamaica Bearings Co., Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$251,244	0.2%	Rank history: not on the FY2022–FY2023 lists, #62 in FY2024 and not on the FY2025 list; down 21 since FY2020.
85	Morpac Industries, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$250,615	0.2%	Rank history: #19 in FY2022, #51 in FY2023, not on the FY2024 list and #94 in FY2025; up 88 since FY2020.
86	SAFRAN 3 awardees, including Safran Landing Systems Wheel & Brake Services LLC and Safran Electrical Components Canada Inc. Top agencies DLA (Defense Logistics Agency)	$248,133	0.2%	Rank history: not on the FY2022–FY2025 lists; up 260 since FY2020.
87	Martin-Baker (ENGINEERING) Ltd Through Martin-Baker America Inc. Top agencies Navy (Department of the Navy)	$245,692	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
88	Hydra-Electric Company Top agencies DLA (Defense Logistics Agency)	$245,258	0.2%	Rank history: #77 in FY2022, #100 in FY2023 and not on the FY2024–FY2025 lists; down 9 since FY2020.
89	Tork Systems Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$234,739	0.2%	Rank history: #67 in FY2022, not on the FY2023–FY2024 lists and #45 in FY2025; down 38 since FY2020.
90	Intific Inc Through Cubic Defense Applications, Inc. Top agencies Navy (Department of the Navy)	$229,636	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
91	Flowserve Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$223,593	0.2%	Rank history: not on the FY2022–FY2025 lists; down 56 since FY2020.
92	B N L Industries Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$221,649	0.2%	Rank history: not on the FY2022–FY2023 lists, #41 in FY2024 and #91 in FY2025; down 45 since FY2020.
93	Dante Valve Company Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$216,855	0.2%	Rank history: #56 in FY2022, #44 in FY2023, #34 in FY2024 and #63 in FY2025; up 127 since FY2020.
94	Ballco Manufacturing Company, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$211,569	0.2%	Rank history: not on the FY2022–FY2023 lists, #75 in FY2024 and #90 in FY2025; up 3 since FY2020.
95	B & H International LLC Top agencies Navy (Department of the Navy)	$207,405	0.2%	Rank history: not on the FY2022–FY2025 lists; up 167 since FY2020.
96	Griffon Corporation Through Telephonics Corp Top agencies Navy (Department of the Navy)	$207,112	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
97	Corestar International Corporation Top agencies Navy (Department of the Navy)	$201,322	0.2%	Rank history: not on the FY2022–FY2025 lists; up 194 since FY2020.
98	Aero Precision Industries LLC Through Allclear Aerospace & Defense, Inc. Top agencies DLA (Defense Logistics Agency)	$199,902	0.2%	Rank history: #78 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
99	United Electric Controls Company Top agencies DLA (Defense Logistics Agency)	$199,208	0.2%	Rank history: not on the FY2022–FY2025 lists; up 102 since FY2020.
100	Aantilia LLC Top agencies Navy (Department of the Navy)	$197,956	0.2%	Rank history: not on the FY2022 list, #97 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.

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100 of 828 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 $129 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 332919 contractors in FY2021?

1. Esco Technologies Inc. ($13.8M), 2. Sargent Aerospace & Defense LLC ($9.07M), 3. Bell Boeing Joint Project Office ($5.35M), 4. Fluidyne Corporation ($3.96M), 5. Warren Pumps LLC ($3.75M), 6. Marotta Controls Inc. ($2.95M), 7. RTX Corporation ($2.83M), 8. U.s.a. Spares Inc. ($2.82M), 9. JA Moody LLC ($2.77M), 10. Natstar Defense Inc. ($1.69M).

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