Top 100 Contractors in PSC 2840: Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components, FY2021

Name: Top 100 Contractors in PSC 2840: Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components, FY2021
Creator: GovTribe

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

The top 10 won 86% of FY2021 PSC 2840 contract dollars

Contract obligations: $5,068,803,157 Net of deobligations, by contracts coded PSC 2840
Contractors: 249 Parent companies with an obligation
Largest contractor: RTX Corporation $2.45 billion, 42.1% 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 7 awardees, including Pratt & Whitney Military Aftermarket Services, Inc., Pratt & Whitney Component Solutions, Inc. and Rosemount Aerospace Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$2,448,031,972	42.1%	Rank history: #1 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; unchanged since FY2020.
2	General Electric Company 8 awardees, including GE Aviation Systems LLC and GE Engine Services Distribution, L.L.C. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$1,644,400,689	28.3%	Rank history: #2 in FY2022, #2 in FY2023, #2 in FY2024 and #2 in FY2025; unchanged since FY2020.
3	Rolls-Royce Military Aero Engines Ltd 2 awardees, including Rolls-Royce Corporation Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$298,869,393	5.1%	Rank history: #3 in FY2022, #4 in FY2023, #5 in FY2024 and not on the FY2025 list; up 1 since FY2020.
4	CFM International Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$286,959,453	4.9%	Rank history: #4 in FY2022, #3 in FY2023, #4 in FY2024 and #4 in FY2025; up 1 since FY2020.
5	Honeywell International Inc. 6 awardees Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$90,061,596	1.5%	Rank history: #5 in FY2022, #5 in FY2023, #3 in FY2024 and #6 in FY2025; up 6 since FY2020.
6	Rolls-Royce Corporation 2 awardees Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$79,153,118	1.4%	Rank history: #15 in FY2022, #55 in FY2023, #7 in FY2024 and not on the FY2025 list; up 4 since FY2020.
7	Standardaero Aviation Holdings, Inc. 4 awardees, including Standard Aero (San Antonio) Inc., Pas Technologies Inc. and Jet Aviation Specialists LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$60,039,770	1.0%	Rank history: #7 in FY2022, #8 in FY2023, #14 in FY2024 and not on the FY2025 list; up 5 since FY2020.
8	Thomas Scientific LLC 4 awardees, including Chromalloy Component Services Inc., Chromalloy San Diego Corp and Chromalloy, S.A. De C.V. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$47,255,908	0.8%	Rank history: #9 in FY2022, #59 in FY2023, #69 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
9	Government of Canada Through Canadian Commercial Corporation Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$25,599,103	0.4%	Rank history: #8 in FY2022, #11 in FY2023, #62 in FY2024 and not on the FY2025 list; up 5 since FY2020.
10	Vigor Works LLC 3 awardees, including Chromalloy Component Services Inc., Chromalloy San Diego Corp and Chromalloy Gas Turbine LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$10,476,502	0.2%	Rank history: not on the FY2022–FY2025 lists; up 3 since FY2020.
11	Chromalloy Gas Turbine LLC Top agencies USAF (Department of the Air Force)	$7,609,237	0.1%	Rank history: #13 in FY2022, #13 in FY2023, #12 in FY2024 and #12 in FY2025; up 6 since FY2020.
12	Aarcorp Through AAR Supply Chain, Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$7,534,749	0.1%	Rank history: #26 in FY2022, #26 in FY2023 and not on the FY2024–FY2025 lists; up 7 since FY2020.
13	Paradigm Manchester Inc. 3 awardees, including Turbocombustor Technology, Inc. Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$5,379,084	0.1%	Rank history: #12 in FY2022, #14 in FY2023, #15 in FY2024 and not on the FY2025 list; up 14 since FY2020.
14	Asia Pacific Aerospace Pty. Ltd. Top agencies Navy (Department of the Navy)	$4,924,455	0.1%	Rank history: #16 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
15	Standard Aero (San Antonio) Inc. Top agencies USAF (Department of the Air Force)	$4,459,022	0.1%	Rank history: not on the FY2022–FY2025 lists; unchanged since FY2020.
16	The Boeing Company 7 awardees, including Boeing Distribution, Inc., Boeing Distribution Services Defense LLC and Boeing Distribution Services X, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$3,970,166	0.1%	Rank history: #6 in FY2022, #6 in FY2023, #13 in FY2024 and #16 in FY2025; down 7 since FY2020.
17	Union Machine Company of Lynn, Inc. Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$3,109,725	0.1%	Rank history: #17 in FY2022, #22 in FY2023, #28 in FY2024 and #11 in FY2025; up 4 since FY2020.
18	Numet Machining Techniques LLC Through Numet Acquisition Numet, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$2,603,372	<0.1%	Rank history: #10 in FY2022, #25 in FY2023, #16 in FY2024 and #57 in FY2025; up 46 since FY2020.
19	Royal Flight of Oman Top agencies NASA (National Aeronautics and Space Administration)	$2,500,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
20	Lockheed Martin Corporation 4 awardees, including Derco Aerospace, Inc. and Sikorsky Aircraft Corporation Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$2,409,792	<0.1%	Rank history: #11 in FY2022, #9 in FY2023, #10 in FY2024 and #20 in FY2025; down 12 since FY2020.
21	Heico Aerospace Corporat 5 awardees, including Jet Avion Corp, Seal Dynamics LLC and Jetseal Inc. Top agencies DLA (Defense Logistics Agency)	$2,341,119	<0.1%	Rank history: #19 in FY2022, #21 in FY2023, #23 in FY2024 and #34 in FY2025; up 30 since FY2020.
22	Barnes Group Inc. 5 awardees Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$2,179,965	<0.1%	Rank history: #22 in FY2022, #18 in FY2023, #86 in FY2024 and not on the FY2025 list; up 187 since FY2020.
23	Pacific Sky Supply, Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$1,981,027	<0.1%	Rank history: #35 in FY2022, #17 in FY2023, #33 in FY2024 and #22 in FY2025; up 5 since FY2020.
24	Demusz Mfg. Co., Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$1,715,912	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 6 since FY2020.
25	C.f. Roark Welding & Engineering Company, Incorporated Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$1,674,855	<0.1%	Rank history: #97 in FY2022, #87 in FY2023, #9 in FY2024 and #61 in FY2025; up 14 since FY2020.
26	Ferrotherm, LLC Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$1,287,218	<0.1%	Rank history: #29 in FY2022, #39 in FY2023, #30 in FY2024 and #43 in FY2025; new, not ranked in FY2020.
27	PTS Aviation, LLC Top agencies USAF (Department of the Air Force)	$1,161,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
28	Electron Beam Development Corp Top agencies USAF (Department of the Air Force)	$958,800	<0.1%	Rank history: #42 in FY2022 and not on the FY2023–FY2025 lists; up 19 since FY2020.
29	Flight Support, Inc. Top agencies USAF (Department of the Air Force)	$954,156	<0.1%	Rank history: #39 in FY2022, #20 in FY2023, #40 in FY2024 and #59 in FY2025; up 84 since FY2020.
30	Aerometals, Inc. Top agencies DLA (Defense Logistics Agency)	$847,077	<0.1%	Rank history: #91 in FY2022, #60 in FY2023, not on the FY2024 list and #72 in FY2025; new, not ranked in FY2020.
31	Parker-Hannifin Corporation 3 awardees, including Lord Corporation Top agencies DLA (Defense Logistics Agency)	$797,910	<0.1%	Rank history: #47 in FY2022, #46 in FY2023, #72 in FY2024 and not on the FY2025 list; down 2 since FY2020.
32	Acmt, Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$718,658	<0.1%	Rank history: #27 in FY2022, #27 in FY2023, #18 in FY2024 and #7 in FY2025; down 9 since FY2020.
33	Triumph Group, Inc. 2 awardees, including Triumph Gear Systems, LLC and Triumph Actuation Systems - Connecticut, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$665,315	<0.1%	Rank history: #32 in FY2022, #40 in FY2023, #31 in FY2024 and #29 in FY2025; up 12 since FY2020.
34	The Timken Company Through PCX Aerosystems-Manchester, LLC Top agencies USAF (Department of the Air Force)	$613,843	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
35	ETI Tech LLC Through Starwin Industries, LLC Top agencies USAF (Department of the Air Force)	$612,711	<0.1%	Rank history: #72 in FY2022, not on the FY2023 list, #76 in FY2024 and #88 in FY2025; up 26 since FY2020.
36	RTC Aerospace, LLC Through Logistical Support LLC Top agencies DLA (Defense Logistics Agency)	$605,005	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
37	IBP Consulting, Inc. Top agencies DLA (Defense Logistics Agency)	$586,487	<0.1%	Rank history: #67 in FY2022, #53 in FY2023, #56 in FY2024 and #83 in FY2025; up 35 since FY2020.
38	Norcatec LLC Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$564,613	<0.1%	Rank history: #54 in FY2022, not on the FY2023–FY2024 lists and #21 in FY2025; up 40 since FY2020.
39	Parts Life Inc. Top agencies DLA (Defense Logistics Agency)	$543,945	<0.1%	Rank history: #64 in FY2022, not on the FY2023 list, #65 in FY2024 and not on the FY2025 list; up 83 since FY2020.
40	Stein Seal Company Top agencies DLA (Defense Logistics Agency)	$537,362	<0.1%	Rank history: #37 in FY2022, #31 in FY2023, #41 in FY2024 and #32 in FY2025; down 7 since FY2020.
41	Lobo Ventures Ltd Top agencies DLA (Defense Logistics Agency)	$525,280	<0.1%	Rank history: not on the FY2022–FY2023 lists, #91 in FY2024 and #87 in FY2025; up 26 since FY2020.
42	Columbia Basin Helicopter, Inc. Top agencies Navy (Department of the Navy)	$495,627	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
43	Paramount Machine Company, Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$487,493	<0.1%	Rank history: #44 in FY2022, #63 in FY2023, #26 in FY2024 and #28 in FY2025; down 2 since FY2020.
44	L'anse Manufacturing & Technology, Inc. Top agencies DLA (Defense Logistics Agency)	$473,533	<0.1%	Rank history: #43 in FY2022, #42 in FY2023, #47 in FY2024 and #47 in FY2025; new, not ranked in FY2020.
45	Columbia Helicopters, Inc. Top agencies Navy (Department of the Navy)	$436,227	<0.1%	Rank history: #58 in FY2022, not on the FY2023–FY2024 lists and #84 in FY2025; new, not ranked in FY2020.
46	Woodward Governor Company 2 awardees, including Woodward, Inc. and Woodward Fst, Inc. Top agencies DLA (Defense Logistics Agency)	$422,705	<0.1%	Rank history: #33 in FY2022, #32 in FY2023 and not on the FY2024–FY2025 lists; up 38 since FY2020.
47	Warfighter Focused Logistics Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$390,395	<0.1%	Rank history: not on the FY2022 list, #45 in FY2023, not on the FY2024 list and #54 in FY2025; new, not ranked in FY2020.
48	Air New Zealand Engineering Services Top agencies Navy (Department of the Navy)	$372,791	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
49	Chromalloy Component Services Inc. Top agencies USAF (Department of the Air Force)	$371,609	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
50	Science Applications International Corporation Top agencies DLA (Defense Logistics Agency)	$348,028	<0.1%	Rank history: not on the FY2022 list, #62 in FY2023, #81 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
51	Moeller MFG. Company Inc. Top agencies DLA (Defense Logistics Agency)	$338,400	<0.1%	Rank history: #31 in FY2022, #61 in FY2023 and not on the FY2024–FY2025 lists; down 17 since FY2020.
52	Jamaica Bearings Co., Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$329,800	<0.1%	Rank history: #53 in FY2022, not on the FY2023–FY2024 lists and #70 in FY2025; up 10 since FY2020.
53	Liburdi Turbine Services, LLC Top agencies USAF (Department of the Air Force)	$315,529	<0.1%	Rank history: not on the FY2022 list, #37 in FY2023, #89 in FY2024 and #53 in FY2025; new, not ranked in FY2020.
54	Dakota Air Parts Intl., Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$293,922	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
55	WGI Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$293,870	<0.1%	Rank history: #50 in FY2022, #89 in FY2023, #45 in FY2024 and not on the FY2025 list; up 27 since FY2020.
56	Derco Aerospace, Inc. Top agencies DLA (Defense Logistics Agency)	$288,907	<0.1%	Rank history: not on the FY2022–FY2023 lists, #78 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
57	AB SKF Through Kaydon Ring & Seal Inc. Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$281,377	<0.1%	Rank history: #56 in FY2022, #54 in FY2023 and not on the FY2024–FY2025 lists; up 29 since FY2020.
58	Weldmac Manufacturing Company Top agencies DLA (Defense Logistics Agency)	$276,724	<0.1%	Rank history: #45 in FY2022, not on the FY2023 list, #39 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
59	Electro-Methods, L.P. Top agencies DLA (Defense Logistics Agency)	$274,551	<0.1%	Rank history: #57 in FY2022 and not on the FY2023–FY2025 lists; up 22 since FY2020.
60	Eaton Corporation 2 awardees, including Eaton Aerospace, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$265,611	<0.1%	Rank history: #86 in FY2022, #41 in FY2023, #43 in FY2024 and #67 in FY2025; up 52 since FY2020.
61	Columbia Manufacturing, Inc. Top agencies DLA (Defense Logistics Agency)	$255,188	<0.1%	Rank history: #40 in FY2022, #79 in FY2023, #87 in FY2024 and #39 in FY2025; new, not ranked in FY2020.
62	Kerns Manufacturing Corp. Top agencies DLA (Defense Logistics Agency)	$254,496	<0.1%	Rank history: #83 in FY2022, #35 in FY2023, #54 in FY2024 and #30 in FY2025; down 42 since FY2020.
63	MTU Aero Engines Holding AG 2 awardees, including Vericor Power Systems LLC Top agencies DLA (Defense Logistics Agency)	$249,850	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
64	FBC Enterprises LLC Top agencies DLA (Defense Logistics Agency)	$246,635	<0.1%	Rank history: not on the FY2022 list, #43 in FY2023, #59 in FY2024 and #55 in FY2025; up 67 since FY2020.
65	Rapp & Sons Inc 2 awardees, including Twigg Corp Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$244,609	<0.1%	Rank history: #23 in FY2022, #12 in FY2023 and not on the FY2024–FY2025 lists; up 9 since FY2020.
66	Millennium Aerospace and Defense Top agencies DLA (Defense Logistics Agency)	$244,003	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
67	Danaher Corporation Through Pall Aeropower Corporation Top agencies DLA (Defense Logistics Agency)	$240,814	<0.1%	Rank history: not on the FY2022 list, #78 in FY2023, #97 in FY2024 and not on the FY2025 list; up 54 since FY2020.
68	Aero Precision Industries LLC Through Allclear Aerospace & Defense, Inc. Top agencies DLA (Defense Logistics Agency)	$184,799	<0.1%	Rank history: #74 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
69	Aerobase Group Inc. Top agencies DHS (Department of Homeland Security)	$180,347	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
70	E.c. Styberg Engineering Company Top agencies DLA (Defense Logistics Agency)	$178,268	<0.1%	Rank history: #98 in FY2022, #73 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
71	G.s.e. Dynamics, Inc. Top agencies DLA (Defense Logistics Agency)	$172,835	<0.1%	Rank history: #49 in FY2022, #50 in FY2023, not on the FY2024 list and #48 in FY2025; new, not ranked in FY2020.
72	HBD Industries, Inc. Through Precision Metal Products, Inc. Top agencies DLA (Defense Logistics Agency)	$168,894	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 26 since FY2020.
73	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency)	$157,025	<0.1%	Rank history: #28 in FY2022 and not on the FY2023–FY2025 lists; up 118 since FY2020.
74	Boeing Distribution, Inc. Top agencies DLA (Defense Logistics Agency)	$154,119	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 1 since FY2020.
75	Aero Turbine, Inc. Top agencies USAF (Department of the Air Force)	$146,838	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 53 since FY2020.
76	Valcor Engineering Corporation Top agencies Navy (Department of the Navy)	$146,032	<0.1%	Rank history: not on the FY2022 list, #29 in FY2023, not on the FY2024 list and #38 in FY2025; down 50 since FY2020.
77	ECI Defense Group, Inc. Top agencies DLA (Defense Logistics Agency)	$145,592	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 17 since FY2020.
78	Northrop Grumman Corporation 5 awardees, including Northrop Grumman Systems Corporation Top agencies DLA (Defense Logistics Agency)	$140,892	<0.1%	Rank history: #81 in FY2022 and not on the FY2023–FY2025 lists; down 10 since FY2020.
79	White Engineering Surfaces Corporation Top agencies DLA (Defense Logistics Agency)	$137,250	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 29 since FY2020.
80	Bell Boeing Joint Project Office Top agencies DLA (Defense Logistics Agency)	$129,707	<0.1%	Rank history: not on the FY2022 list, #93 in FY2023 and not on the FY2024–FY2025 lists; up 167 since FY2020.
81	Brown Helicopter, Inc. Top agencies DLA (Defense Logistics Agency)	$128,781	<0.1%	Rank history: #87 in FY2022, #65 in FY2023, #44 in FY2024 and #69 in FY2025; down 15 since FY2020.
82	HD Aero Support, Inc. Top agencies DLA (Defense Logistics Agency)	$126,907	<0.1%	Rank history: #73 in FY2022 and not on the FY2023–FY2025 lists; up 8 since FY2020.
83	Sargent Aerospace & Defense LLC Through RBC Transport Dynamics Corp Top agencies DLA (Defense Logistics Agency)	$123,602	<0.1%	Rank history: #71 in FY2022, #84 in FY2023, #79 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
84	Atec Inc. Top agencies Navy (Department of the Navy)	$123,155	<0.1%	Rank history: #59 in FY2022, #72 in FY2023 and not on the FY2024–FY2025 lists; up 21 since FY2020.
85	Beta Engineering, Inc. Top agencies DLA (Defense Logistics Agency)	$119,974	<0.1%	Rank history: #52 in FY2022, #99 in FY2023, #46 in FY2024 and #91 in FY2025; down 47 since FY2020.
86	Rexnord Industries LLC Top agencies DLA (Defense Logistics Agency)	$117,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 20 since FY2020.
87	Transaero, Inc. Top agencies DLA (Defense Logistics Agency)	$116,667	<0.1%	Rank history: #18 in FY2022, not on the FY2023 list, #21 in FY2024 and #8 in FY2025; down 45 since FY2020.
88	Alamo Aircraft Supply Inc. Through Alamo Aircraft, Ltd. Top agencies DLA (Defense Logistics Agency)	$108,289	<0.1%	Rank history: #79 in FY2022, #44 in FY2023 and not on the FY2024–FY2025 lists; down 29 since FY2020.
89	Crestwood Technology Group, LLC Top agencies DLA (Defense Logistics Agency)	$106,968	<0.1%	Rank history: not on the FY2022 list, #70 in FY2023 and not on the FY2024–FY2025 lists; up 112 since FY2020.
90	Kent Associates, Inc. Top agencies DLA (Defense Logistics Agency)	$106,643	<0.1%	Rank history: not on the FY2022–FY2024 lists and #100 in FY2025; up 36 since FY2020.
91	Aerokool Aviation Corp Top agencies DHS (Department of Homeland Security)	$105,096	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
92	VSE Corporation Top agencies DLA (Defense Logistics Agency)	$103,650	<0.1%	Rank history: not on the FY2022–FY2023 lists, #83 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
93	Adom Engineering, Inc. Top agencies DLA (Defense Logistics Agency)	$102,627	<0.1%	Rank history: #85 in FY2022, #90 in FY2023, not on the FY2024 list and #74 in FY2025; up 71 since FY2020.
94	Aviarms Support Corp Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$102,246	<0.1%	Rank history: #99 in FY2022, not on the FY2023 list, #100 in FY2024 and #78 in FY2025; up 31 since FY2020.
95	S3 International LLC Through S3 Aerodefense LLC Top agencies DLA (Defense Logistics Agency)	$100,908	<0.1%	Rank history: #70 in FY2022, #64 in FY2023, #57 in FY2024 and not on the FY2025 list; down 16 since FY2020.
96	Abstract Electronics, Inc. Top agencies DLA (Defense Logistics Agency)	$100,517	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 110 since FY2020.
97	Whitcraft LLC Top agencies DLA (Defense Logistics Agency)	$96,090	<0.1%	Rank history: #82 in FY2022, #51 in FY2023, #71 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
98	Pratt and Whitney Services Inc. Top agencies DLA (Defense Logistics Agency)	$89,871	<0.1%	Rank history: #60 in FY2022 and not on the FY2023–FY2025 lists; down 43 since FY2020.
99	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$89,520	<0.1%	Rank history: #55 in FY2022, #58 in FY2023, #82 in FY2024 and #31 in FY2025; new, not ranked in FY2020.
100	Transdigm Group Incorporated Through Arkwin Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$87,741	<0.1%	Rank history: #90 in FY2022, #85 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.

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100 of 249 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 $5.81 billion 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 2840 contractors in FY2021?

1. RTX Corporation ($2.45B), 2. General Electric Company ($1.64B), 3. Rolls-Royce Military Aero Engines Ltd ($299M), 4. CFM International Inc. ($287M), 5. Honeywell International Inc. ($90.1M), 6. Rolls-Royce Corporation ($79.2M), 7. Standardaero Aviation Holdings, Inc. ($60M), 8. Thomas Scientific LLC ($47.3M), 9. Government of Canada ($25.6M), 10. Vigor Works LLC ($10.5M).

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