Top 100 Contractors in PSC 4720: Hose and Flexible Tubing, FY2021

Name: Top 100 Contractors in PSC 4720: Hose and Flexible Tubing, FY2021
Creator: GovTribe

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

The top 10 won 29% of FY2021 PSC 4720 contract dollars

Contract obligations: $65,443,054 Net of deobligations, by contracts coded PSC 4720
Contractors: 621 Parent companies with an obligation
Largest contractor: Kampi Components Co Inc. $3.69 million, 5.3% 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	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$3,688,000	5.3%	Rank history: #1 in FY2022, #13 in FY2023, #5 in FY2024 and #3 in FY2025; unchanged since FY2020.
2	Echelon Supply and Service, Inc. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security) Navy (Department of the Navy)	$3,026,467	4.3%	Rank history: #3 in FY2022, #4 in FY2023, #20 in FY2024 and not on the FY2025 list; unchanged since FY2020.
3	Aarcorp Through AAR Supply Chain, Inc. Top agencies DLA (Defense Logistics Agency)	$2,877,140	4.1%	Rank history: #2 in FY2022, #11 in FY2023, #4 in FY2024 and not on the FY2025 list; unchanged since FY2020.
4	Eaton Corporation 2 awardees, including Danfoss Power Solutions II, LLC and Eaton Aeroquip LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,989,943	2.9%	Rank history: #4 in FY2022, #3 in FY2023, #10 in FY2024 and #9 in FY2025; unchanged since FY2020.
5	Military Petroleum and Water Systems Inc. Top agencies DLA (Defense Logistics Agency)	$1,619,422	2.3%	Rank history: #26 in FY2022, #37 in FY2023 and not on the FY2024–FY2025 lists; up 390 since FY2020.
6	Aero-Hose Corp Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) DHS (Department of Homeland Security)	$1,579,579	2.3%	Rank history: not on the FY2022–FY2025 lists; up 5 since FY2020.
7	Ferox Logistics LLC Top agencies DLA (Defense Logistics Agency)	$1,473,772	2.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
8	Mid-State Aerospace Inc. Top agencies DLA (Defense Logistics Agency) NASA (National Aeronautics and Space Administration)	$1,445,167	2.1%	Rank history: #20 in FY2022, #9 in FY2023, #18 in FY2024 and #8 in FY2025; down 3 since FY2020.
9	SAFRAN 4 awardees, including Safran Electrical Components Canada Inc., Safran Aerosystems Services Americas LLC and Air Cruisers Company, LLC Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security) Army (Department of the Army)	$1,316,686	1.9%	Rank history: #7 in FY2022, #7 in FY2023, #78 in FY2024 and not on the FY2025 list; up 20 since FY2020.
10	Eaton-Aeroquip Inc. Top agencies DLA (Defense Logistics Agency)	$1,090,925	1.6%	Rank history: not on the FY2022–FY2025 lists; up 71 since FY2020.
11	Hydraulics International, Inc. Top agencies DLA (Defense Logistics Agency)	$1,042,471	1.5%	Rank history: #8 in FY2022, #5 in FY2023, #16 in FY2024 and #13 in FY2025; down 5 since FY2020.
12	Darling Industries Inc. Through R.e. Darling Co., Inc. Top agencies DLA (Defense Logistics Agency)	$1,012,215	1.5%	Rank history: #16 in FY2022, #18 in FY2023 and not on the FY2024–FY2025 lists; up 5 since FY2020.
13	Hydraflow Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$923,749	1.3%	Rank history: #31 in FY2022, not on the FY2023 list, #65 in FY2024 and #44 in FY2025; up 42 since FY2020.
14	Cobham Advanced Electron 3 awardees, including Mission Systems Davenport Inc. and Mission Systems Orchard Park Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$876,624	1.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
15	Global Logistics Strategies Inc. Top agencies DLA (Defense Logistics Agency)	$838,675	1.2%	Rank history: #37 in FY2022, #26 in FY2023, #34 in FY2024 and #15 in FY2025; up 1 since FY2020.
16	Integrated Procurement Technologies Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$836,244	1.2%	Rank history: #97 in FY2022 and not on the FY2023–FY2025 lists; up 3 since FY2020.
17	Mcgill Hose & Coupling, Inc. Top agencies Navy (Department of the Navy)	$831,682	1.2%	Rank history: #15 in FY2022, #21 in FY2023, #37 in FY2024 and #42 in FY2025; up 6 since FY2020.
18	Berkshire Hathaway Inc. 3 awardees, including Orkal Industries LLC, Designed Metal Connections Inc. and Tti, Inc. Top agencies DLA (Defense Logistics Agency)	$815,655	1.2%	Rank history: #6 in FY2022, #1 in FY2023, #67 in FY2024 and #22 in FY2025; up 17 since FY2020.
19	Northrop Grumman Corporation 6 awardees, including Northrop Grumman Systems Corporation Top agencies DLA (Defense Logistics Agency)	$793,901	1.1%	Rank history: #30 in FY2022, #76 in FY2023, #66 in FY2024 and #50 in FY2025; up 9 since FY2020.
20	Oshkosh Corp 3 awardees, including Oshkosh Defense LLC and JLG Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$736,768	1.1%	Rank history: #17 in FY2022, #15 in FY2023, #25 in FY2024 and #11 in FY2025; up 10 since FY2020.
21	Hyspan Precision Products, Inc. Top agencies DLA (Defense Logistics Agency)	$725,121	1.0%	Rank history: #21 in FY2022, #12 in FY2023, #58 in FY2024 and #38 in FY2025; up 87 since FY2020.
22	Ruta Supplies Inc. Top agencies DLA (Defense Logistics Agency)	$709,640	1.0%	Rank history: #35 in FY2022, #17 in FY2023, #49 in FY2024 and #24 in FY2025; down 9 since FY2020.
23	Science Applications International Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$693,916	1.0%	Rank history: #18 in FY2022, #42 in FY2023 and not on the FY2024–FY2025 lists; up 11 since FY2020.
24	Earley Shawn Top agencies Army (Department of the Army)	$657,664	0.9%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
25	Cobham Advanced Electronic Solutions Inc. 2 awardees, including Mission Systems Orchard Park Inc. and Mission Systems Davenport Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$631,821	0.9%	Rank history: not on the FY2022–FY2025 lists; unchanged since FY2020.
26	STS Distribution Solutions, LLC Top agencies DLA (Defense Logistics Agency)	$611,256	0.9%	Rank history: #24 in FY2022, #20 in FY2023, #13 in FY2024 and #18 in FY2025; down 18 since FY2020.
27	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$599,790	0.9%	Rank history: #63 in FY2022, #67 in FY2023, #56 in FY2024 and #28 in FY2025; up 25 since FY2020.
28	Aero-Dyne Supply Co., Inc. Top agencies DLA (Defense Logistics Agency)	$598,497	0.9%	Rank history: #49 in FY2022, #53 in FY2023, #76 in FY2024 and not on the FY2025 list; up 25 since FY2020.
29	Lockheed Martin Corporation 4 awardees, including Sikorsky Aircraft Corporation and Derco Aerospace, Inc. Top agencies DLA (Defense Logistics Agency)	$584,227	0.8%	Rank history: #22 in FY2022, #40 in FY2023, #40 in FY2024 and #20 in FY2025; down 5 since FY2020.
30	D.w. Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$575,926	0.8%	Rank history: #50 in FY2022, #54 in FY2023 and not on the FY2024–FY2025 lists; down 4 since FY2020.
31	Hampton Rubber Company 3 awardees, including Hanna Acquisition Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$575,632	0.8%	Rank history: #42 in FY2022, #60 in FY2023 and not on the FY2024–FY2025 lists; up 87 since FY2020.
32	HBD Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$566,513	0.8%	Rank history: #67 in FY2022, #48 in FY2023, not on the FY2024 list and #75 in FY2025; down 20 since FY2020.
33	Veyance Technologies Inc. Through Contitech Usa, Inc. Top agencies DLA (Defense Logistics Agency)	$557,529	0.8%	Rank history: #13 in FY2022, #71 in FY2023 and not on the FY2024–FY2025 lists; up 15 since FY2020.
34	Fournier Rubber & Supply Co Top agencies DLA (Defense Logistics Agency)	$515,556	0.7%	Rank history: #45 in FY2022, #23 in FY2023, #28 in FY2024 and #37 in FY2025; up 39 since FY2020.
35	Hose & Rubber Supply, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$511,743	0.7%	Rank history: #9 in FY2022, #91 in FY2023, #52 in FY2024 and #72 in FY2025; up 30 since FY2020.
36	Airbus Americas Inc. Through Airbus Helicopters, Inc. Top agencies DHS (Department of Homeland Security)	$502,297	0.7%	Rank history: #40 in FY2022, #27 in FY2023, #24 in FY2024 and not on the FY2025 list; up 27 since FY2020.
37	Faxon Engineering Co Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$501,533	0.7%	Rank history: #28 in FY2022, #22 in FY2023, #14 in FY2024 and #6 in FY2025; down 27 since FY2020.
38	Melton Sales & Service Top agencies DLA (Defense Logistics Agency)	$441,091	0.6%	Rank history: #25 in FY2022, #35 in FY2023, #53 in FY2024 and #25 in FY2025; up 3 since FY2020.
39	Parker-Hannifin Corporation 3 awardees Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$438,619	0.6%	Rank history: #36 in FY2022 and not on the FY2023–FY2025 lists; up 62 since FY2020.
40	Statz Corp Top agencies DLA (Defense Logistics Agency)	$438,604	0.6%	Rank history: #48 in FY2022 and not on the FY2023–FY2025 lists; up 39 since FY2020.
41	S3 International LLC Through S3 Aerodefense LLC Top agencies DLA (Defense Logistics Agency)	$435,718	0.6%	Rank history: #27 in FY2022, #41 in FY2023, #68 in FY2024 and not on the FY2025 list; up 42 since FY2020.
42	Theodor Wille Intertrade GMBH Through Atlantic Diving Supply, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$433,182	0.6%	Rank history: #71 in FY2022 and not on the FY2023–FY2025 lists; up 330 since FY2020.
43	Reliable Industrial Products, Inc. Top agencies DLA (Defense Logistics Agency)	$394,576	0.6%	Rank history: not on the FY2022–FY2025 lists; up 84 since FY2020.
44	Windward Enterprises, LLC Top agencies DLA (Defense Logistics Agency)	$389,013	0.6%	Rank history: #29 in FY2022, #28 in FY2023, #21 in FY2024 and #10 in FY2025; up 13 since FY2020.
45	Opatik Defense Manufacturing, LLC Top agencies DLA (Defense Logistics Agency)	$377,043	0.5%	Rank history: not on the FY2022 list, #88 in FY2023, #60 in FY2024 and not on the FY2025 list; up 25 since FY2020.
46	Adirondack Electronics Inc. Top agencies Navy (Department of the Navy)	$369,826	0.5%	Rank history: #51 in FY2022, #50 in FY2023, #69 in FY2024 and #90 in FY2025; up 61 since FY2020.
47	ITL LLC Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$362,001	0.5%	Rank history: #5 in FY2022, #2 in FY2023, #1 in FY2024 and #2 in FY2025; up 76 since FY2020.
48	B & H International LLC Top agencies Navy (Department of the Navy)	$356,018	0.5%	Rank history: #53 in FY2022 and not on the FY2023–FY2025 lists; down 15 since FY2020.
49	Titan Fittings Top agencies DHS (Department of Homeland Security)	$350,134	0.5%	Rank history: not on the FY2022–FY2025 lists; up 362 since FY2020.
50	Omni Services Inc. Top agencies Navy (Department of the Navy)	$341,606	0.5%	Rank history: #56 in FY2022 and not on the FY2023–FY2025 lists; up 432 since FY2020.
51	Lynn Electronics LLC Top agencies DLA (Defense Logistics Agency)	$340,079	0.5%	Rank history: #86 in FY2022 and not on the FY2023–FY2025 lists; down 15 since FY2020.
52	RTX Corporation 7 awardees, including Hamilton Sundstrand Corporation, Goodrich Corporation and Raytheon Company Top agencies DLA (Defense Logistics Agency)	$333,799	0.5%	Rank history: not on the FY2022 list, #36 in FY2023 and not on the FY2024–FY2025 lists; up 2 since FY2020.
53	TNL Sales LLC Top agencies DLA (Defense Logistics Agency)	$328,943	0.5%	Rank history: #94 in FY2022, #81 in FY2023, #41 in FY2024 and #16 in FY2025; down 44 since FY2020.
54	General Dynamics Corporation 6 awardees, including General Dynamics Information Technology, Inc., Electric Boat Corporation and Bath Iron Works Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$319,181	0.5%	Rank history: #99 in FY2022, not on the FY2023 list, #98 in FY2024 and #91 in FY2025; up 13 since FY2020.
55	B & B Hose & Rubber Co., Inc. Top agencies Navy (Department of the Navy)	$318,753	0.5%	Rank history: #39 in FY2022, #33 in FY2023, #57 in FY2024 and #74 in FY2025; down 13 since FY2020.
56	Desco Manufacturing Company Top agencies DLA (Defense Logistics Agency)	$316,312	0.5%	Rank history: not on the FY2022–FY2025 lists; up 134 since FY2020.
57	Amazon Hose & Rubber Co of Miami Inc Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$309,051	0.4%	Rank history: not on the FY2022–FY2025 lists; up 37 since FY2020.
58	King Nutronics Corporation Top agencies DLA (Defense Logistics Agency)	$300,702	0.4%	Rank history: #64 in FY2022, not on the FY2023 list, #93 in FY2024 and not on the FY2025 list; up 59 since FY2020.
59	Ross Development Inc. Top agencies DLA (Defense Logistics Agency)	$283,282	0.4%	Rank history: #54 in FY2022 and not on the FY2023–FY2025 lists; down 12 since FY2020.
60	Panther Machining and Hardware LLC Top agencies DLA (Defense Logistics Agency)	$282,824	0.4%	Rank history: not on the FY2022–FY2023 lists, #89 in FY2024 and not on the FY2025 list; up 61 since FY2020.
61	Baltimore Hydraulics, Inc. Top agencies Army (Department of the Army)	$277,176	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
62	Jag Components, LLC Top agencies DLA (Defense Logistics Agency)	$275,110	0.4%	Rank history: #57 in FY2022, #100 in FY2023, #79 in FY2024 and #43 in FY2025; up 28 since FY2020.
63	CFM International Inc. Top agencies DLA (Defense Logistics Agency)	$248,509	0.4%	Rank history: not on the FY2022–FY2025 lists; up 109 since FY2020.
64	Supplycore LLC Top agencies DLA (Defense Logistics Agency)	$243,814	0.3%	Rank history: #66 in FY2022, #49 in FY2023, #64 in FY2024 and not on the FY2025 list; down 20 since FY2020.
65	Magna James Ltd. Top agencies DLA (Defense Logistics Agency)	$240,827	0.3%	Rank history: #59 in FY2022 and not on the FY2023–FY2025 lists; up 3 since FY2020.
66	Triman Industries Inc. Top agencies DLA (Defense Logistics Agency)	$236,818	0.3%	Rank history: not on the FY2022 list, #69 in FY2023, #30 in FY2024 and #62 in FY2025; down 5 since FY2020.
67	Custom Hydraulic & Machine, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$233,384	0.3%	Rank history: not on the FY2022 list, #63 in FY2023, #90 in FY2024 and not on the FY2025 list; up 42 since FY2020.
68	Northwest Fluid Solutions, Inc. Top agencies Navy (Department of the Navy)	$233,197	0.3%	Rank history: not on the FY2022–FY2025 lists; up 121 since FY2020.
69	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$231,347	0.3%	Rank history: #34 in FY2022, #32 in FY2023, #35 in FY2024 and #19 in FY2025; down 42 since FY2020.
70	Brighton Cromwell LLC Top agencies DLA (Defense Logistics Agency)	$227,752	0.3%	Rank history: not on the FY2022–FY2025 lists; up 71 since FY2020.
71	MR Sandman Inc. Top agencies Navy (Department of the Navy)	$220,608	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
72	MDF Technologies Inc. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$216,816	0.3%	Rank history: #89 in FY2022 and not on the FY2023–FY2025 lists; up 41 since FY2020.
73	S I T Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$215,867	0.3%	Rank history: not on the FY2022 list, #44 in FY2023, #59 in FY2024 and #40 in FY2025; up 42 since FY2020.
74	Robeck Fluid Power Co. Top agencies DLA (Defense Logistics Agency)	$214,420	0.3%	Rank history: #82 in FY2022, #59 in FY2023, #70 in FY2024 and #60 in FY2025; unchanged since FY2020.
75	AMG Services Inc. Top agencies DLA (Defense Logistics Agency)	$207,760	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
76	L.m. Gill Welding & Manufacturing, L.L.C. Top agencies DLA (Defense Logistics Agency)	$203,088	0.3%	Rank history: not on the FY2022–FY2025 lists; down 16 since FY2020.
77	Chase Supply, Inc. Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$192,530	0.3%	Rank history: #19 in FY2022, #19 in FY2023, #29 in FY2024 and #57 in FY2025; down 32 since FY2020.
78	Cargotec OYJ Through Independent Rough Terrain Center LLC Top agencies DLA (Defense Logistics Agency)	$185,526	0.3%	Rank history: not on the FY2022 list, #95 in FY2023 and not on the FY2024–FY2025 lists; up 25 since FY2020.
79	Production Components, Inc. Top agencies DLA (Defense Logistics Agency)	$185,069	0.3%	Rank history: not on the FY2022–FY2024 lists and #67 in FY2025; up 31 since FY2020.
80	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency)	$184,015	0.3%	Rank history: not on the FY2022–FY2025 lists; down 5 since FY2020.
81	Outdoor Venture Corp 2 awardees, including Ovc-Engineered Solutions LLC Top agencies DLA (Defense Logistics Agency)	$175,743	0.3%	Rank history: #96 in FY2022, not on the FY2023 list, #85 in FY2024 and not on the FY2025 list; up 45 since FY2020.
82	Charter Industrial Supply, Inc. Top agencies Navy (Department of the Navy)	$174,877	0.3%	Rank history: #47 in FY2022, #34 in FY2023 and not on the FY2024–FY2025 lists; up 153 since FY2020.
83	Transdigm Group Incorporated 2 awardees, including Transdigm Inc. and Airborne Systems North America of NJ Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$171,076	0.2%	Rank history: #58 in FY2022 and not on the FY2023–FY2025 lists; up 253 since FY2020.
84	Midway Industrial Supply Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$170,385	0.2%	Rank history: #61 in FY2022, #80 in FY2023, #23 in FY2024 and #27 in FY2025; up 92 since FY2020.
85	Apex Pinnacle Corp Top agencies DLA (Defense Logistics Agency)	$169,701	0.2%	Rank history: not on the FY2022–FY2025 lists; up 67 since FY2020.
86	Honeywell International Inc. Top agencies DLA (Defense Logistics Agency)	$169,238	0.2%	Rank history: #60 in FY2022, not on the FY2023 list, #87 in FY2024 and not on the FY2025 list; up 96 since FY2020.
87	Flow International Corporation Through APS Pressure Systems LLC Top agencies Navy (Department of the Navy)	$163,219	0.2%	Rank history: not on the FY2022–FY2025 lists; up 138 since FY2020.
88	J.t. Systems, Inc. Top agencies Navy (Department of the Navy)	$161,000	0.2%	Rank history: not on the FY2022–FY2024 lists and #93 in FY2025; up 40 since FY2020.
89	NGH Retail LLC Top agencies DLA (Defense Logistics Agency)	$158,561	0.2%	Rank history: #90 in FY2022 and not on the FY2023–FY2025 lists; up 47 since FY2020.
90	Staver Hydraulics Co., Inc. Top agencies DLA (Defense Logistics Agency)	$157,409	0.2%	Rank history: #69 in FY2022, #52 in FY2023 and not on the FY2024–FY2025 lists; down 19 since FY2020.
91	Phoenix Trading Inc. Top agencies DLA (Defense Logistics Agency)	$151,266	0.2%	Rank history: #62 in FY2022 and not on the FY2023–FY2025 lists; unchanged since FY2020.
92	VC Displays, Inc. Top agencies DLA (Defense Logistics Agency)	$145,421	0.2%	Rank history: not on the FY2022–FY2025 lists; up 69 since FY2020.
93	Husky Corporation Top agencies DLA (Defense Logistics Agency)	$142,958	0.2%	Rank history: not on the FY2022–FY2025 lists; up 70 since FY2020.
94	Westflex, Inc. Top agencies Navy (Department of the Navy)	$142,824	0.2%	Rank history: not on the FY2022 list, #58 in FY2023, #88 in FY2024 and not on the FY2025 list; down 45 since FY2020.
95	V. Lopez JR. & Sons General Engineering Contractors, Inc. Top agencies DLA (Defense Logistics Agency)	$142,318	0.2%	Rank history: not on the FY2022–FY2025 lists; down 64 since FY2020.
96	Caterpillar Inc. Top agencies DLA (Defense Logistics Agency)	$141,364	0.2%	Rank history: not on the FY2022–FY2025 lists; up 43 since FY2020.
97	QPI Pro, Inc. Top agencies DLA (Defense Logistics Agency)	$141,087	0.2%	Rank history: #78 in FY2022 and not on the FY2023–FY2025 lists; up 108 since FY2020.
98	R & M Government Services Inc. Top agencies DLA (Defense Logistics Agency)	$132,224	0.2%	Rank history: #81 in FY2022, #86 in FY2023 and not on the FY2024–FY2025 lists; down 29 since FY2020.
99	Aktio Corporation Top agencies Navy (Department of the Navy)	$128,161	0.2%	Rank history: not on the FY2022–FY2025 lists; up 39 since FY2020.
100	Herbert Cooper Company Inc. Top agencies DLA (Defense Logistics Agency)	$126,549	0.2%	Rank history: #77 in FY2022, #38 in FY2023, #31 in FY2024 and #23 in FY2025; down 18 since FY2020.

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100 of 621 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 $69.8 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 PSC 4720 contractors in FY2021?

1. Kampi Components Co Inc. ($3.69M), 2. Echelon Supply and Service, Inc. ($3.03M), 3. Aarcorp ($2.88M), 4. Eaton Corporation ($1.99M), 5. Military Petroleum and Water Systems Inc. ($1.62M), 6. Aero-Hose Corp ($1.58M), 7. Ferox Logistics LLC ($1.47M), 8. Mid-State Aerospace Inc. ($1.45M), 9. SAFRAN ($1.32M), 10. Eaton-Aeroquip Inc. ($1.09M).

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