Top 100 Contractors in PSC 3120: Bearings, Plain, Unmounted, FY2021

Name: Top 100 Contractors in PSC 3120: Bearings, Plain, Unmounted, FY2021
Creator: GovTribe

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

The top 10 won 55% of FY2021 PSC 3120 contract dollars

Contract obligations: $85,968,242 Net of deobligations, by contracts coded PSC 3120
Contractors: 650 Parent companies with an obligation
Largest contractor: Parker-Hannifin Corporation $10.6 million, 11.6% 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	Parker-Hannifin Corporation 2 awardees, including Lord Corporation Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$10,612,762	11.6%	Rank history: #1 in FY2022, #1 in FY2023, #12 in FY2024 and not on the FY2025 list; up 7 since FY2020.
2	RTX Corporation 10 awardees, including Hamilton Sundstrand Corporation, Goodrich Corporation and Raytheon Company Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$8,550,985	9.3%	Rank history: #2 in FY2022, #4 in FY2023, #6 in FY2024 and #6 in FY2025; up 4 since FY2020.
3	Jamaica Bearings Co., Inc. 2 awardees Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$7,816,744	8.5%	Rank history: #3 in FY2022, #2 in FY2023, #5 in FY2024 and #1 in FY2025; down 1 since FY2020.
4	Northrop Grumman Corporation 8 awardees, including Northrop Grumman Systems Corporation and Alliant Techsystems Operations LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$5,090,396	5.6%	Rank history: #9 in FY2022, #30 in FY2023, #2 in FY2024 and #9 in FY2025; unchanged since FY2020.
5	Mechatronics, Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$4,434,835	4.8%	Rank history: #4 in FY2022, #3 in FY2023, #4 in FY2024 and #2 in FY2025; up 2 since FY2020.
6	Sargent Aerospace & Defense LLC 7 awardees, including RBC Transport Dynamics Corp, Roller Bearing Company of America, Inc. and RBC Southwest Products, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$4,128,235	4.5%	Rank history: #5 in FY2022, #5 in FY2023, #11 in FY2024 and not on the FY2025 list; down 3 since FY2020.
7	Metaltek International, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$3,256,533	3.6%	Rank history: #6 in FY2022, #48 in FY2023, #56 in FY2024 and #22 in FY2025; up 12 since FY2020.
8	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency)	$2,523,393	2.8%	Rank history: #48 in FY2022, #15 in FY2023, #57 in FY2024 and #23 in FY2025; up 1 since FY2020.
9	Wartsila Defense Inc. Through Defense Maritime Solutions, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$2,107,851	2.3%	Rank history: #8 in FY2022, #6 in FY2023 and not on the FY2024–FY2025 lists; up 22 since FY2020.
10	Minebea Co. Ltd. Through New Hampshire Ball Bearings Inc. Top agencies DLA (Defense Logistics Agency)	$1,823,389	2.0%	Rank history: #7 in FY2022, #83 in FY2023 and not on the FY2024–FY2025 lists; down 5 since FY2020.
11	The Boeing Company 8 awardees, including Boeing Distribution Services X, Inc., Boeing Distribution Services, Inc. and Boeing Distribution Services Defense LLC Top agencies DLA (Defense Logistics Agency)	$1,060,561	1.2%	Rank history: #25 in FY2022, #10 in FY2023, #9 in FY2024 and #17 in FY2025; down 1 since FY2020.
12	Lockheed Martin Corporation 4 awardees, including Sikorsky Aircraft Corporation and Derco Aerospace, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) DHS (Department of Homeland Security)	$918,756	1.0%	Rank history: #13 in FY2022, #24 in FY2023, #33 in FY2024 and #18 in FY2025; up 3 since FY2020.
13	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency)	$918,578	1.0%	Rank history: #27 in FY2022, #32 in FY2023, #52 in FY2024 and #33 in FY2025; down 1 since FY2020.
14	Dutch Valley Supply Co. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$905,830	1.0%	Rank history: #51 in FY2022, not on the FY2023 list, #35 in FY2024 and not on the FY2025 list; up 44 since FY2020.
15	Lord Corporation Top agencies DLA (Defense Logistics Agency)	$885,569	1.0%	Rank history: not on the FY2022–FY2023 lists, #1 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
16	The Timken Company 3 awardees, including MPB Corporation and Timken Gears & Services Inc. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security) Navy (Department of the Navy)	$876,005	1.0%	Rank history: #11 in FY2022, #29 in FY2023 and not on the FY2024–FY2025 lists; down 3 since FY2020.
17	Duramax Marine, LLC Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$833,713	0.9%	Rank history: #14 in FY2022, #7 in FY2023, #18 in FY2024 and #7 in FY2025; up 55 since FY2020.
18	Lynn Electronics LLC Top agencies DLA (Defense Logistics Agency)	$819,164	0.9%	Rank history: #31 in FY2022, #65 in FY2023 and not on the FY2024–FY2025 lists; up 14 since FY2020.
19	Transdigm Group Incorporated 6 awardees, including Aerocontrolex Group, Inc., Arkwin Industries, Inc. and Hartwell Corporation Top agencies DLA (Defense Logistics Agency)	$800,029	0.9%	Rank history: #49 in FY2022, #43 in FY2023 and not on the FY2024–FY2025 lists; up 95 since FY2020.
20	Bollinger Shipyards Inc Through Chand, L.L.C. Top agencies DLA (Defense Logistics Agency)	$760,532	0.8%	Rank history: #16 in FY2022, #8 in FY2023, #59 in FY2024 and not on the FY2025 list; up 17 since FY2020.
21	Triman Industries Inc. Top agencies DLA (Defense Logistics Agency)	$692,263	0.8%	Rank history: #42 in FY2022, #52 in FY2023, #40 in FY2024 and #11 in FY2025; up 22 since FY2020.
22	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$686,649	0.7%	Rank history: #26 in FY2022, #11 in FY2023, #47 in FY2024 and #28 in FY2025; down 4 since FY2020.
23	Midamerica Fab & Machine LLC Top agencies DLA (Defense Logistics Agency)	$651,111	0.7%	Rank history: not on the FY2022–FY2025 lists; up 321 since FY2020.
24	Airbus Americas Inc. Through Airbus Helicopters, Inc. Top agencies DHS (Department of Homeland Security)	$644,859	0.7%	Rank history: #12 in FY2022, #18 in FY2023, #25 in FY2024 and not on the FY2025 list; down 13 since FY2020.
25	Argo Turboserve Corporation 2 awardees Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$634,301	0.7%	Rank history: #18 in FY2022, #22 in FY2023, #21 in FY2024 and not on the FY2025 list; down 2 since FY2020.
26	Dover Corporation Through Waukesha Bearings Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$619,467	0.7%	Rank history: #19 in FY2022 and not on the FY2023–FY2025 lists; up 79 since FY2020.
27	Kaman Corp 2 awardees, including Kamatics Corporation and Kaman Aerospace Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) USAF (Department of the Air Force)	$570,662	0.6%	Rank history: #29 in FY2022, #98 in FY2023, not on the FY2024 list and #26 in FY2025; down 13 since FY2020.
28	Aeroforce Logistics LLC Top agencies DLA (Defense Logistics Agency)	$533,368	0.6%	Rank history: #96 in FY2022, not on the FY2023 list, #61 in FY2024 and not on the FY2025 list; up 47 since FY2020.
29	Bell Boeing Joint Project Office Top agencies DLA (Defense Logistics Agency)	$528,612	0.6%	Rank history: #38 in FY2022, #46 in FY2023, #13 in FY2024 and #14 in FY2025; new, not ranked in FY2020.
30	Statz Corp Top agencies DLA (Defense Logistics Agency)	$476,258	0.5%	Rank history: #44 in FY2022, #23 in FY2023, #26 in FY2024 and #20 in FY2025; up 26 since FY2020.
31	Aerospace Industries LLC Top agencies DLA (Defense Logistics Agency)	$454,283	0.5%	Rank history: not on the FY2022–FY2025 lists; up 4 since FY2020.
32	Echelon Supply and Service, Inc. Top agencies DLA (Defense Logistics Agency)	$414,314	0.5%	Rank history: #39 in FY2022, #37 in FY2023, #63 in FY2024 and not on the FY2025 list; down 11 since FY2020.
33	Galaxy Die and Engineering, Inc. Top agencies DLA (Defense Logistics Agency)	$404,691	0.4%	Rank history: #22 in FY2022, #44 in FY2023, #68 in FY2024 and #83 in FY2025; down 3 since FY2020.
34	Advanced CNC Manufacturing, Inc. Top agencies DLA (Defense Logistics Agency)	$388,902	0.4%	Rank history: #20 in FY2022, #28 in FY2023, #74 in FY2024 and #82 in FY2025; up 34 since FY2020.
35	Dupont De Nemours, Inc. 2 awardees, including Dupont Specialty Products Usa, LLC Top agencies DLA (Defense Logistics Agency)	$360,889	0.4%	Rank history: #10 in FY2022 and not on the FY2023–FY2025 lists; up 169 since FY2020.
36	VC Displays, Inc. Top agencies DLA (Defense Logistics Agency)	$336,578	0.4%	Rank history: #54 in FY2022 and not on the FY2023–FY2025 lists; up 5 since FY2020.
37	A.j. Associates Manufacturing & Engineering Co. Inc. Top agencies DLA (Defense Logistics Agency)	$331,024	0.4%	Rank history: #40 in FY2022, #97 in FY2023, not on the FY2024 list and #72 in FY2025; up 94 since FY2020.
38	Aviarms Support Corp Top agencies DLA (Defense Logistics Agency)	$330,720	0.4%	Rank history: #62 in FY2022, #64 in FY2023, #39 in FY2024 and #25 in FY2025; down 9 since FY2020.
39	Marisco, Ltd. Through American Metal Bearing Co Top agencies Navy (Department of the Navy)	$328,908	0.4%	Rank history: #28 in FY2022, #19 in FY2023, #24 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
40	Cummins Aerospace, LLC Top agencies DLA (Defense Logistics Agency)	$291,412	0.3%	Rank history: #15 in FY2022, not on the FY2023 list, #31 in FY2024 and #60 in FY2025; up 56 since FY2020.
41	Transaero, Inc. Top agencies DLA (Defense Logistics Agency)	$283,042	0.3%	Rank history: #32 in FY2022, #96 in FY2023, not on the FY2024 list and #21 in FY2025; down 15 since FY2020.
42	C & C Metals Engineering Inc. Top agencies DLA (Defense Logistics Agency)	$279,921	0.3%	Rank history: #23 in FY2022, #45 in FY2023, #29 in FY2024 and #37 in FY2025; up 4 since FY2020.
43	Berkshire Hathaway Inc. Through Fatigue Technology, Inc. Top agencies DLA (Defense Logistics Agency)	$278,361	0.3%	Rank history: not on the FY2022–FY2023 lists, #91 in FY2024 and #84 in FY2025; up 8 since FY2020.
44	Brown Helicopter, Inc. Top agencies DLA (Defense Logistics Agency)	$275,195	0.3%	Rank history: #35 in FY2022, #41 in FY2023, #30 in FY2024 and #27 in FY2025; down 17 since FY2020.
45	Warren Pumps LLC Through Circor Naval Solutions LLC Top agencies DLA (Defense Logistics Agency)	$270,705	0.3%	Rank history: #52 in FY2022 and not on the FY2023–FY2025 lists; unchanged since FY2020.
46	A Papish Incorporated Through Radial Bearing Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$261,425	0.3%	Rank history: #67 in FY2022, #82 in FY2023 and not on the FY2024–FY2025 lists; up 15 since FY2020.
47	Transupport Inc. Top agencies DLA (Defense Logistics Agency)	$257,355	0.3%	Rank history: #24 in FY2022, #12 in FY2023, #27 in FY2024 and not on the FY2025 list; down 9 since FY2020.
48	CM Manufacturing Inc. Top agencies DLA (Defense Logistics Agency)	$255,455	0.3%	Rank history: not on the FY2022–FY2024 lists and #100 in FY2025; up 287 since FY2020.
49	Penn Detroit Diesel Allison LLC Through Penn Power Group LLC Top agencies DLA (Defense Logistics Agency)	$247,233	0.3%	Rank history: #64 in FY2022, #47 in FY2023 and not on the FY2024–FY2025 lists; down 7 since FY2020.
50	Moog Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$246,378	0.3%	Rank history: #68 in FY2022, #38 in FY2023 and not on the FY2024–FY2025 lists; up 74 since FY2020.
51	BBA Aviation PLC Through Ontic Engineering & Manufacturing, Inc. Top agencies DLA (Defense Logistics Agency)	$245,484	0.3%	Rank history: not on the FY2022 list, #68 in FY2023, #96 in FY2024 and not on the FY2025 list; up 22 since FY2020.
52	D.w. Clark, Inc. Top agencies DLA (Defense Logistics Agency)	$217,800	0.2%	Rank history: not on the FY2022–FY2025 lists; up 30 since FY2020.
53	Hoosier Industrial Supply, Inc. Top agencies DLA (Defense Logistics Agency)	$213,930	0.2%	Rank history: not on the FY2022 list, #84 in FY2023, #70 in FY2024 and #35 in FY2025; down 9 since FY2020.
54	Blue Cord Logistic Strategies Inc. Top agencies DLA (Defense Logistics Agency)	$208,541	0.2%	Rank history: not on the FY2022–FY2025 lists; up 136 since FY2020.
55	Airtronics, LLC Top agencies DLA (Defense Logistics Agency)	$206,533	0.2%	Rank history: not on the FY2022 list, #60 in FY2023, not on the FY2024 list and #76 in FY2025; up 37 since FY2020.
56	CFM International Inc. Top agencies DLA (Defense Logistics Agency)	$199,335	0.2%	Rank history: #30 in FY2022 and not on the FY2023–FY2025 lists; down 20 since FY2020.
57	American Bearing and Components LLC Top agencies DLA (Defense Logistics Agency)	$197,189	0.2%	Rank history: #36 in FY2022, #13 in FY2023, #37 in FY2024 and #38 in FY2025; down 29 since FY2020.
58	A.m.s. Network, LLC 2 awardees Top agencies DLA (Defense Logistics Agency)	$189,528	0.2%	Rank history: not on the FY2022–FY2025 lists; up 420 since FY2020.
59	Woodward Governor Company 2 awardees, including Woodward HRT Inc. and Woodward, Inc. Top agencies DLA (Defense Logistics Agency)	$185,836	0.2%	Rank history: #37 in FY2022, #9 in FY2023 and not on the FY2024–FY2025 lists; down 5 since FY2020.
60	Honeywell International Inc. 6 awardees Top agencies DLA (Defense Logistics Agency)	$183,010	0.2%	Rank history: not on the FY2022–FY2023 lists, #23 in FY2024 and not on the FY2025 list; up 7 since FY2020.
61	Lake Shore Systems, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$169,558	0.2%	Rank history: #100 in FY2022 and not on the FY2023–FY2025 lists; down 22 since FY2020.
62	Larkos Packing and Distribution Inc. Top agencies DLA (Defense Logistics Agency)	$164,025	0.2%	Rank history: #85 in FY2022, #73 in FY2023, #36 in FY2024 and #64 in FY2025; up 56 since FY2020.
63	Timken Aurora Bearing Company Top agencies DLA (Defense Logistics Agency)	$163,621	0.2%	Rank history: not on the FY2022–FY2025 lists; up 21 since FY2020.
64	Wesco Aircraft Hardware Corp. Top agencies DLA (Defense Logistics Agency)	$159,505	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
65	Barber-Nichols, LLC Top agencies Navy (Department of the Navy)	$154,690	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
66	Southern Automotive Wholesalers, Inc. Top agencies DLA (Defense Logistics Agency)	$153,666	0.2%	Rank history: not on the FY2022–FY2025 lists; up 425 since FY2020.
67	Tronson Manufacturing, Inc. Top agencies DLA (Defense Logistics Agency)	$153,103	0.2%	Rank history: not on the FY2022–FY2025 lists; up 130 since FY2020.
68	Brighton Cromwell LLC Top agencies DLA (Defense Logistics Agency)	$153,079	0.2%	Rank history: not on the FY2022–FY2025 lists; down 28 since FY2020.
69	Stag Enterprise, Inc. Top agencies DLA (Defense Logistics Agency)	$152,532	0.2%	Rank history: #58 in FY2022 and not on the FY2023–FY2025 lists; up 26 since FY2020.
70	Heico Aerospace Corporat 3 awardees, including Seal Dynamics LLC, Mcclain International Inc. and Jet Avion Corp Top agencies DLA (Defense Logistics Agency)	$151,300	0.2%	Rank history: #45 in FY2022, #34 in FY2023 and not on the FY2024–FY2025 lists; up 34 since FY2020.
71	Pines Quality Inc. Top agencies DLA (Defense Logistics Agency)	$149,128	0.2%	Rank history: #69 in FY2022, not on the FY2023 list, #62 in FY2024 and not on the FY2025 list; up 5 since FY2020.
72	MPB Corp Top agencies DLA (Defense Logistics Agency)	$140,400	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
73	Vertex LLC Top agencies Navy (Department of the Navy)	$136,613	0.1%	Rank history: not on the FY2022–FY2025 lists; up 149 since FY2020.
74	Wencor Group LLC 2 awardees, including Wencor, LLC and Kitco LLC Top agencies DLA (Defense Logistics Agency)	$136,112	0.1%	Rank history: #65 in FY2022 and not on the FY2023–FY2025 lists; up 137 since FY2020.
75	Apex Pinnacle Corp Top agencies DLA (Defense Logistics Agency)	$134,971	0.1%	Rank history: #86 in FY2022, #88 in FY2023, not on the FY2024 list and #96 in FY2025; up 15 since FY2020.
76	Melton Sales & Service Top agencies DLA (Defense Logistics Agency)	$132,828	0.1%	Rank history: not on the FY2022–FY2025 lists; up 138 since FY2020.
77	Science Applications International Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$130,588	0.1%	Rank history: #41 in FY2022, #20 in FY2023 and not on the FY2024–FY2025 lists; down 20 since FY2020.
78	Houston Drive Train Vehicle Component Sales, Inc. Top agencies DLA (Defense Logistics Agency)	$127,669	0.1%	Rank history: #79 in FY2022, #62 in FY2023, #98 in FY2024 and not on the FY2025 list; up 8 since FY2020.
79	Ordnance Technology Service, Inc. Top agencies DLA (Defense Logistics Agency)	$127,442	0.1%	Rank history: not on the FY2022–FY2024 lists and #61 in FY2025; up 175 since FY2020.
80	Norfolk Bearings & Supply Co Inc. Top agencies DHS (Department of Homeland Security)	$126,546	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
81	Hatch & Kirk, Inc. Top agencies DLA (Defense Logistics Agency)	$123,080	0.1%	Rank history: not on the FY2022–FY2025 lists; up 184 since FY2020.
82	Tri-Mack Plastics Manufacturing Corp Top agencies DLA (Defense Logistics Agency)	$122,234	0.1%	Rank history: not on the FY2022 list, #92 in FY2023 and not on the FY2024–FY2025 lists; down 11 since FY2020.
83	Rolls-Royce Military Aero Engines Ltd 2 awardees, including Rolls-Royce Solutions America Inc. Top agencies DLA (Defense Logistics Agency)	$119,844	0.1%	Rank history: #80 in FY2022 and not on the FY2023–FY2025 lists; down 66 since FY2020.
84	Freehold Manufacturing Assembly Company, Inc. Top agencies DLA (Defense Logistics Agency)	$119,700	0.1%	Rank history: #94 in FY2022, not on the FY2023–FY2024 lists and #89 in FY2025; up 1 since FY2020.
85	BAE Systems PLC 6 awardees, including BAE Systems (Operations) Limited, BAE Systems Protection Systems Inc. and BAE Systems Land & Armaments L.P. Top agencies DLA (Defense Logistics Agency)	$117,434	0.1%	Rank history: not on the FY2022 list, #75 in FY2023 and not on the FY2024–FY2025 lists; up 70 since FY2020.
86	Bertot Industries Inc. Top agencies DLA (Defense Logistics Agency)	$116,819	0.1%	Rank history: not on the FY2022–FY2025 lists; up 55 since FY2020.
87	Rexnord Industries LLC 2 awardees Top agencies DLA (Defense Logistics Agency)	$113,513	0.1%	Rank history: not on the FY2022–FY2025 lists; up 14 since FY2020.
88	TNL Sales LLC Top agencies DLA (Defense Logistics Agency)	$112,965	0.1%	Rank history: #56 in FY2022, not on the FY2023 list, #60 in FY2024 and #58 in FY2025; up 41 since FY2020.
89	S I T Corporation Top agencies DLA (Defense Logistics Agency)	$110,639	0.1%	Rank history: not on the FY2022–FY2024 lists and #87 in FY2025; down 15 since FY2020.
90	W. W. Williams Company LLC the 3 awardees, including The W.w. Williams Company, LLC Top agencies DLA (Defense Logistics Agency)	$109,066	0.1%	Rank history: not on the FY2022–FY2025 lists; up 295 since FY2020.
91	WKF (Friedman) Enterprises, Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$108,606	0.1%	Rank history: not on the FY2022–FY2024 lists and #54 in FY2025; down 29 since FY2020.
92	Hiiesalu Alan J Top agencies DLA (Defense Logistics Agency)	$108,267	0.1%	Rank history: not on the FY2022–FY2025 lists; up 71 since FY2020.
93	Fastenair Corp Top agencies DLA (Defense Logistics Agency)	$108,093	0.1%	Rank history: #97 in FY2022 and not on the FY2023–FY2025 lists; up 20 since FY2020.
94	General Electric Company 5 awardees, including GE Aviation Systems LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) DHS (Department of Homeland Security)	$106,562	0.1%	Rank history: #46 in FY2022, #80 in FY2023, #49 in FY2024 and #42 in FY2025; down 78 since FY2020.
95	Central Power Systems & Services, LLC Top agencies DLA (Defense Logistics Agency)	$106,129	0.1%	Rank history: not on the FY2022–FY2025 lists; up 3 since FY2020.
96	Simfer Precision Machine Co Top agencies DLA (Defense Logistics Agency)	$104,608	0.1%	Rank history: not on the FY2022–FY2025 lists; up 116 since FY2020.
97	L3Harris Technologies, Inc. 2 awardees, including L3Harris Technologies Integrated Systems L.P. and Acron Aviation, Inc. Top agencies DLA (Defense Logistics Agency)	$103,779	0.1%	Rank history: #33 in FY2022, not on the FY2023 list, #15 in FY2024 and not on the FY2025 list; up 25 since FY2020.
98	Legacy Mfx, Inc. Top agencies DLA (Defense Logistics Agency)	$103,600	0.1%	Rank history: not on the FY2022–FY2025 lists; up 1 since FY2020.
99	C & D Equipment Company, Inc. Top agencies DLA (Defense Logistics Agency)	$102,549	0.1%	Rank history: not on the FY2022–FY2025 lists; up 97 since FY2020.
100	CRD Machining, Inc. Top agencies DLA (Defense Logistics Agency)	$102,237	0.1%	Rank history: #89 in FY2022, not on the FY2023 list, #79 in FY2024 and #48 in FY2025; up 147 since FY2020.

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100 of 650 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 $91.6 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 3120 contractors in FY2021?

1. Parker-Hannifin Corporation ($10.6M), 2. RTX Corporation ($8.55M), 3. Jamaica Bearings Co., Inc. ($7.82M), 4. Northrop Grumman Corporation ($5.09M), 5. Mechatronics, Inc. ($4.43M), 6. Sargent Aerospace & Defense LLC ($4.13M), 7. Metaltek International, Inc. ($3.26M), 8. Dela Technology Corporation ($2.52M), 9. Wartsila Defense Inc. ($2.11M), 10. Minebea Co. Ltd. ($1.82M).

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