Top 100 Contractors in PSC 29: Engine Accessories, FY2021

Name: Top 100 Contractors in PSC 29: Engine Accessories, FY2021
Creator: GovTribe

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

The top 10 won 52% of FY2021 PSC 29 contract dollars

Contract obligations: $472,188,031 Net of deobligations, by contracts coded PSC 29 or a code under it
Contractors: 850 Parent companies with an obligation
Largest contractor: General Electric Company $65.2 million, 13.1% 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	General Electric Company 7 awardees, including Unison Industries LLC, GE Aviation Systems LLC and GE Energy Power Conversion USA Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$65,161,513	13.1%	Rank history: #6 in FY2022, #4 in FY2023, not on the FY2024 list and #8 in FY2025; up 1 since FY2020.
2	Lockheed Martin Corporation 7 awardees, including Derco Aerospace, Inc. and Sikorsky Aircraft Corporation Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$46,612,612	9.3%	Rank history: #1 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; down 1 since FY2020.
3	Honeywell International Inc. 9 awardees Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$35,558,522	7.1%	Rank history: #2 in FY2022, #2 in FY2023, #2 in FY2024 and #3 in FY2025; unchanged since FY2020.
4	RTX Corporation 13 awardees, including Collins Engine Nozzles, Inc., Hamilton Sundstrand Corporation and Rockwell Collins, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$30,280,956	6.1%	Rank history: #5 in FY2022, #3 in FY2023, #4 in FY2024 and #4 in FY2025; up 4 since FY2020.
5	Parker-Hannifin Corporation 5 awardees, including Lord Corporation Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) Navy (Department of the Navy)	$19,219,958	3.9%	Rank history: #9 in FY2022, #6 in FY2023, #10 in FY2024 and not on the FY2025 list; up 2 since FY2020.
6	Woodward Governor Company 4 awardees, including Woodward, Inc., Woodward Fst, Inc. and Woodward HRT Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$18,672,259	3.7%	Rank history: #3 in FY2022, #7 in FY2023, #38 in FY2024 and not on the FY2025 list; down 2 since FY2020.
7	Transaero, Inc. Top agencies DLA (Defense Logistics Agency)	$14,558,428	2.9%	Rank history: #11 in FY2022, #19 in FY2023, #7 in FY2024 and #11 in FY2025; up 2 since FY2020.
8	Aarcorp 2 awardees, including AAR Supply Chain, Inc. and AAR Allen Services, Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$10,890,082	2.2%	Rank history: #14 in FY2022, #18 in FY2023, #25 in FY2024 and not on the FY2025 list; up 4 since FY2020.
9	Transdigm Group Incorporated 6 awardees, including Champion Aerospace LLC, Aerocontrolex Group, Inc. and Arkwin Industries, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$10,613,044	2.1%	Rank history: #13 in FY2022, #13 in FY2023, #85 in FY2024 and not on the FY2025 list; up 8 since FY2020.
10	Jamaica Bearings Co., Inc. 2 awardees Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$9,321,232	1.9%	Rank history: #8 in FY2022, #10 in FY2023, #8 in FY2024 and #5 in FY2025; up 4 since FY2020.
11	Esco Technologies Inc. Through PTI Technologies Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$8,939,356	1.8%	Rank history: not on the FY2022 list, #14 in FY2023, #50 in FY2024 and #23 in FY2025; up 70 since FY2020.
12	Elbit Systems Ltd Through Elbitamerica, Inc. Top agencies USAF (Department of the Air Force)	$7,192,158	1.4%	Rank history: #36 in FY2022, #65 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
13	Fairbanks Morse LLC 4 awardees, including Breco International, LLC Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$7,063,957	1.4%	Rank history: #7 in FY2022, #8 in FY2023, #82 in FY2024 and not on the FY2025 list; up 17 since FY2020.
14	Brighton Cromwell LLC Top agencies DLA (Defense Logistics Agency)	$6,507,343	1.3%	Rank history: not on the FY2022–FY2025 lists; up 2 since FY2020.
15	The Boeing Company 9 awardees, including Boeing Distribution, Inc., Boeing Distribution Services X, Inc. and Boeing Distribution Services, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$5,605,242	1.1%	Rank history: #56 in FY2022, #53 in FY2023, #22 in FY2024 and #42 in FY2025; down 9 since FY2020.
16	Caterpillar Inc. 3 awardees, including Nippon Caterpillar Llc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$5,588,274	1.1%	Rank history: #16 in FY2022 and not on the FY2023–FY2025 lists; up 9 since FY2020.
17	Rolls-Royce Military Aero Engines Ltd 4 awardees, including Rolls-Royce Corporation, Rolls-Royce Solutions America Inc. and Rolls-Royce Marine North America Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$5,566,160	1.1%	Rank history: #12 in FY2022, #9 in FY2023, #49 in FY2024 and not on the FY2025 list; down 2 since FY2020.
18	General Atomic Technologies Corporation Through General Atomics Aeronautical Systems, Inc. Top agencies USAF (Department of the Air Force)	$4,865,488	1.0%	Rank history: #61 in FY2022 and not on the FY2023–FY2025 lists; up 5 since FY2020.
19	Optimum Vehicle Logistics LLC Top agencies Army (Department of the Army)	$4,745,426	1.0%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
20	C E Niehoff & Co Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$4,364,460	0.9%	Rank history: #10 in FY2022, #12 in FY2023, #11 in FY2024 and #17 in FY2025; up 1 since FY2020.
21	Danaher Corporation Through Pall Aeropower Corporation Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force) Navy (Department of the Navy)	$4,330,263	0.9%	Rank history: #41 in FY2022, #38 in FY2023, #59 in FY2024 and not on the FY2025 list; up 24 since FY2020.
22	Bollinger Shipyards Inc Through Chand, L.L.C. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) DHS (Department of Homeland Security)	$3,630,770	0.7%	Rank history: #32 in FY2022, #33 in FY2023 and not on the FY2024–FY2025 lists; up 12 since FY2020.
23	Cummins Inc. 2 awardees Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$3,569,236	0.7%	Rank history: #18 in FY2022, #25 in FY2023, #29 in FY2024 and #14 in FY2025; up 1 since FY2020.
24	Cavanaugh Government Group, LLC Top agencies DLA (Defense Logistics Agency)	$3,409,315	0.7%	Rank history: #31 in FY2022, #24 in FY2023, #45 in FY2024 and #72 in FY2025; down 2 since FY2020.
25	Gravois Aluminum Boats LLC Through Shark Tech, LLC Top agencies USAF (Department of the Air Force)	$3,361,877	0.7%	Rank history: #45 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
26	S3 International LLC Through S3 Aerodefense LLC Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$3,327,983	0.7%	Rank history: not on the FY2022 list, #50 in FY2023, #75 in FY2024 and not on the FY2025 list; up 97 since FY2020.
27	Oshkosh Corp 2 awardees, including Oshkosh Defense LLC and JLG Industries, Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$3,137,795	0.6%	Rank history: #21 in FY2022, #31 in FY2023, #39 in FY2024 and #33 in FY2025; down 1 since FY2020.
28	Prestolite Electric Incorporated Top agencies DLA (Defense Logistics Agency)	$2,994,574	0.6%	Rank history: #35 in FY2022 and not on the FY2023–FY2025 lists; up 7 since FY2020.
29	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$2,678,888	0.5%	Rank history: #90 in FY2022, #27 in FY2023, #37 in FY2024 and #21 in FY2025; up 24 since FY2020.
30	Triman Industries Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$2,673,589	0.5%	Rank history: #26 in FY2022, #30 in FY2023, #27 in FY2024 and #16 in FY2025; up 14 since FY2020.
31	Allied Defense Industries Inc. 2 awardees, including Aero International, LLC Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$2,473,133	0.5%	Rank history: #60 in FY2022, #26 in FY2023, #90 in FY2024 and not on the FY2025 list; up 76 since FY2020.
32	W. W. Williams Company LLC the 7 awardees, including The W.w. Williams Company, LLC Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$2,380,280	0.5%	Rank history: #29 in FY2022 and not on the FY2023–FY2025 lists; up 5 since FY2020.
33	Penn Detroit Diesel Allison LLC Through Penn Power Group LLC Top agencies DLA (Defense Logistics Agency)	$2,267,678	0.5%	Rank history: #22 in FY2022, #36 in FY2023 and not on the FY2024–FY2025 lists; up 47 since FY2020.
34	SAFRAN 5 awardees, including Safran Power USA LLC, Curtiss-Wright Flow Control Service, LLC and Safran Landing Systems Wheel & Brake Services LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) USAF (Department of the Air Force)	$2,138,618	0.4%	Rank history: not on the FY2022–FY2025 lists; up 459 since FY2020.
35	Integrated Procurement Technologies Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security) USAF (Department of the Air Force)	$1,799,495	0.4%	Rank history: #15 in FY2022, #20 in FY2023, #19 in FY2024 and #19 in FY2025; up 6 since FY2020.
36	Eaton Corporation 6 awardees, including Eaton Aerospace, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) USAF (Department of the Air Force)	$1,796,604	0.4%	Rank history: #55 in FY2022, #32 in FY2023, #67 in FY2024 and not on the FY2025 list; down 17 since FY2020.
37	Government of Canada Through Canadian Commercial Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,599,554	0.3%	Rank history: #25 in FY2022, #15 in FY2023, #12 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
38	Oceaneering International Inc. Top agencies Navy (Department of the Navy)	$1,574,364	0.3%	Rank history: not on the FY2022–FY2025 lists; up 79 since FY2020.
39	Transupport Inc. Top agencies DLA (Defense Logistics Agency)	$1,560,836	0.3%	Rank history: not on the FY2022–FY2023 lists, #78 in FY2024 and not on the FY2025 list; up 86 since FY2020.
40	Fincantieri Marine Systems North America Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) DHS (Department of Homeland Security)	$1,532,913	0.3%	Rank history: #33 in FY2022, #42 in FY2023, #93 in FY2024 and not on the FY2025 list; up 12 since FY2020.
41	Acquisition Integration LLC Top agencies Army (Department of the Army)	$1,501,643	0.3%	Rank history: not on the FY2022 list, #16 in FY2023, #44 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
42	Advanced Core Concepts LLC Through Arctos Mission Solutions, LLC Top agencies Army (Department of the Army)	$1,496,347	0.3%	Rank history: not on the FY2022 list, #54 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
43	RDO Holdings Co. Through RDO Agriculture Equipment Co Top agencies DLA (Defense Logistics Agency)	$1,436,508	0.3%	Rank history: #63 in FY2022, #70 in FY2023, #94 in FY2024 and not on the FY2025 list; up 26 since FY2020.
44	Ohio Machinery Co Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$1,432,087	0.3%	Rank history: #37 in FY2022, #41 in FY2023, #58 in FY2024 and not on the FY2025 list; up 20 since FY2020.
45	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency)	$1,418,378	0.3%	Rank history: #81 in FY2022, #91 in FY2023, not on the FY2024 list and #60 in FY2025; down 3 since FY2020.
46	BBA Aviation PLC 2 awardees, including Ontic Engineering & Manufacturing, Inc. and Ontic Engineering & Manufacturing UK Limited Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,415,784	0.3%	Rank history: not on the FY2022 list, #11 in FY2023 and not on the FY2024–FY2025 lists; down 7 since FY2020.
47	Am General LLC Top agencies DLA (Defense Logistics Agency)	$1,387,790	0.3%	Rank history: #39 in FY2022, #37 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
48	Clarke Power Services, Inc. 2 awardees Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency) Army (Department of the Army)	$1,360,638	0.3%	Rank history: not on the FY2022–FY2025 lists; up 41 since FY2020.
49	Howe Machine & Tool Corp. Top agencies DLA (Defense Logistics Agency)	$1,348,996	0.3%	Rank history: #83 in FY2022, #99 in FY2023 and not on the FY2024–FY2025 lists; up 12 since FY2020.
50	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) Army (Department of the Army)	$1,301,390	0.3%	Rank history: #30 in FY2022, #40 in FY2023, #35 in FY2024 and #31 in FY2025; down 21 since FY2020.
51	Black Bay Aerospace LLC Top agencies DLA (Defense Logistics Agency)	$1,278,235	0.3%	Rank history: not on the FY2022–FY2025 lists; up 90 since FY2020.
52	Pacific Power Group LLC Top agencies DHS (Department of Homeland Security)	$1,199,124	0.2%	Rank history: #49 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
53	CME Arma, Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$1,192,039	0.2%	Rank history: not on the FY2022–FY2024 lists and #47 in FY2025; up 52 since FY2020.
54	Johnson & Towers Inc. 2 awardees, including Western Branch Diesel, LLC Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security) Navy (Department of the Navy)	$1,150,946	0.2%	Rank history: #70 in FY2022, #96 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
55	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency)	$1,088,715	0.2%	Rank history: not on the FY2022 list, #77 in FY2023, not on the FY2024 list and #48 in FY2025; up 5 since FY2020.
56	Volkswagen AG 2 awardees, including Everllence Japan Ltd. and Everllence USA Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,084,946	0.2%	Rank history: not on the FY2022–FY2025 lists; up 32 since FY2020.
57	Heico Aerospace Corporat 4 awardees, including Seal Dynamics LLC, Thermal Structures, Inc. and Jet Avion Corp Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,054,663	0.2%	Rank history: #62 in FY2022, #43 in FY2023, #14 in FY2024 and #15 in FY2025; down 1 since FY2020.
58	L3Harris Technologies, Inc. 5 awardees, including L3Harris Technologies Integrated Systems L.P., CAE USA Inc. and L3Harris Maritime Power & Energy Solutions, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,049,367	0.2%	Rank history: not on the FY2022–FY2025 lists; down 48 since FY2020.
59	Meggitt PLC 4 awardees, including Meggitt Defense Systems, Inc., Meggitt (Uk) Limited and Oeco, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,016,104	0.2%	Rank history: #53 in FY2022 and not on the FY2023–FY2025 lists; up 8 since FY2020.
60	Melton Sales & Service Top agencies DLA (Defense Logistics Agency)	$1,014,103	0.2%	Rank history: #100 in FY2022 and not on the FY2023–FY2025 lists; down 9 since FY2020.
61	Southern Automotive Wholesalers, Inc. Top agencies DLA (Defense Logistics Agency)	$993,243	0.2%	Rank history: #19 in FY2022, #48 in FY2023, #60 in FY2024 and #26 in FY2025; down 15 since FY2020.
62	Donovan Marine, Inc. Top agencies DOS (Department of State)	$980,982	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
63	Lynn Electronics LLC Top agencies DLA (Defense Logistics Agency)	$916,625	0.2%	Rank history: #74 in FY2022 and not on the FY2023–FY2025 lists; down 9 since FY2020.
64	Ruta Supplies Inc. Top agencies DLA (Defense Logistics Agency)	$905,391	0.2%	Rank history: #59 in FY2022, #61 in FY2023, #76 in FY2024 and #61 in FY2025; up 35 since FY2020.
65	Leonardo S.p.A. 3 awardees, including DRS Network & Imaging Systems LLC Top agencies Army (Department of the Army)	$890,245	0.2%	Rank history: #47 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
66	Lord Corporation Top agencies DLA (Defense Logistics Agency)	$878,338	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
67	Direct Line, Inc. Top agencies DLA (Defense Logistics Agency)	$865,645	0.2%	Rank history: #43 in FY2022, #44 in FY2023, #73 in FY2024 and #88 in FY2025; up 44 since FY2020.
68	Textron Inc. 2 awardees, including Bell Textron Inc. and Textron Ground Support Equipment Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$852,817	0.2%	Rank history: not on the FY2022–FY2025 lists; down 11 since FY2020.
69	Wood Environment & Infrastructure Solutions Inc. 2 awardees, including Ethosenergy Accessories and Components, LLC and Ethosenergy Light Turbines LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$829,912	0.2%	Rank history: #94 in FY2022, #57 in FY2023, #61 in FY2024 and not on the FY2025 list; up 297 since FY2020.
70	Dreison International Inc. Through Maradyne Corporation Top agencies DLA (Defense Logistics Agency)	$827,065	0.2%	Rank history: #50 in FY2022, #55 in FY2023, #71 in FY2024 and not on the FY2025 list; up 13 since FY2020.
71	General Motors Company Top agencies DLA (Defense Logistics Agency)	$775,182	0.2%	Rank history: #92 in FY2022 and not on the FY2023–FY2025 lists; up 97 since FY2020.
72	S I T Corporation Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) DHS (Department of Homeland Security)	$758,317	0.2%	Rank history: #75 in FY2022, #63 in FY2023, #64 in FY2024 and #53 in FY2025; down 41 since FY2020.
73	Technology Fabricators, Inc. Top agencies DLA (Defense Logistics Agency)	$741,029	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
74	Ametek Inc. 2 awardees, including Ametek Thermal Systems Inc. and Ametek Aircraft Parts & Accessories Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$718,476	0.1%	Rank history: not on the FY2022–FY2023 lists, #65 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
75	Southeast Power Systems of Orlando Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$707,475	0.1%	Rank history: not on the FY2022–FY2025 lists; up 278 since FY2020.
76	ABB Inc. 2 awardees Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$704,449	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
77	Central Power Systems & Services, LLC Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) DHS (Department of Homeland Security)	$658,713	0.1%	Rank history: #64 in FY2022, #71 in FY2023, #57 in FY2024 and #38 in FY2025; down 15 since FY2020.
78	Sherwood Avionics and Accessories, Inc. Top agencies DHS (Department of Homeland Security) Army (Department of the Army) DLA (Defense Logistics Agency)	$658,355	0.1%	Rank history: #52 in FY2022, #47 in FY2023, #15 in FY2024 and not on the FY2025 list; up 49 since FY2020.
79	Science Applications International Corporation 2 awardees, including Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$656,571	0.1%	Rank history: not on the FY2022 list, #81 in FY2023 and not on the FY2024–FY2025 lists; up 5 since FY2020.
80	VSE Corporation 3 awardees, including Wheeler Fleet Solutions, Co. and VSE Aviation, Inc. Top agencies DLA (Defense Logistics Agency)	$643,731	0.1%	Rank history: not on the FY2022 list, #21 in FY2023 and not on the FY2024–FY2025 lists; down 17 since FY2020.
81	Motor Services Hugo Stamp Inc. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security) Navy (Department of the Navy)	$618,476	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
82	North American Fuel Tanks, Inc. Top agencies DLA (Defense Logistics Agency)	$615,870	0.1%	Rank history: not on the FY2022–FY2023 lists, #97 in FY2024 and #57 in FY2025; down 54 since FY2020.
83	Ross Equipment Inc. Top agencies DLA (Defense Logistics Agency)	$611,442	0.1%	Rank history: not on the FY2022–FY2025 lists; up 49 since FY2020.
84	SSI Technology Inc. Top agencies DLA (Defense Logistics Agency)	$601,040	0.1%	Rank history: not on the FY2022–FY2025 lists; up 60 since FY2020.
85	Stewart & Stevenson Fdda LLC 4 awardees, including Stewart & Stevenson Power Products LLC and Engine Systems, Inc. Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$559,369	0.1%	Rank history: #54 in FY2022 and not on the FY2023–FY2025 lists; down 42 since FY2020.
86	FBC Enterprises LLC Top agencies DLA (Defense Logistics Agency)	$557,109	0.1%	Rank history: #67 in FY2022, #51 in FY2023, #26 in FY2024 and #27 in FY2025; up 146 since FY2020.
87	WK Engineering International, Inc. Top agencies DLA (Defense Logistics Agency)	$554,944	0.1%	Rank history: #78 in FY2022, #60 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
88	Adams Thermal Systems Inc. Top agencies DLA (Defense Logistics Agency)	$544,267	0.1%	Rank history: not on the FY2022–FY2023 lists, #79 in FY2024 and not on the FY2025 list; up 76 since FY2020.
89	Lanzen, Incorporated Top agencies DLA (Defense Logistics Agency)	$521,852	0.1%	Rank history: not on the FY2022–FY2025 lists; down 10 since FY2020.
90	United Dynamics, Inc. Top agencies DLA (Defense Logistics Agency)	$514,534	0.1%	Rank history: #84 in FY2022, #94 in FY2023 and not on the FY2024–FY2025 lists; up 16 since FY2020.
91	Blue Cord Logistic Strategies Inc. Top agencies DLA (Defense Logistics Agency)	$514,269	0.1%	Rank history: not on the FY2022 list, #68 in FY2023, #86 in FY2024 and not on the FY2025 list; up 220 since FY2020.
92	Northrop Grumman Corporation 5 awardees, including Northrop Grumman Systems Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$510,044	0.1%	Rank history: not on the FY2022–FY2025 lists; down 24 since FY2020.
93	Maven Engineering Corporation 2 awardees Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$509,066	0.1%	Rank history: not on the FY2022 list, #83 in FY2023 and not on the FY2024–FY2025 lists; up 248 since FY2020.
94	Donaldson Company, Inc. 2 awardees Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$504,808	0.1%	Rank history: not on the FY2022 list, #73 in FY2023, #83 in FY2024 and not on the FY2025 list; up 59 since FY2020.
95	Electrofilm Manufacturing Company LLC 2 awardees, including ITT Aerospace Controls LLC Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$502,939	0.1%	Rank history: #66 in FY2022, #52 in FY2023 and not on the FY2024–FY2025 lists; up 63 since FY2020.
96	Axxeum Inc. Top agencies Army (Department of the Army)	$493,664	0.1%	Rank history: not on the FY2022–FY2023 lists, #9 in FY2024 and #58 in FY2025; new, not ranked in FY2020.
97	Brown Helicopter, Inc. Top agencies DLA (Defense Logistics Agency)	$490,313	0.1%	Rank history: #82 in FY2022, #84 in FY2023, not on the FY2024 list and #92 in FY2025; up 39 since FY2020.
98	Statz Corp Top agencies DLA (Defense Logistics Agency)	$472,624	0.1%	Rank history: not on the FY2022–FY2025 lists; down 1 since FY2020.
99	Seaserve LOS Angeles LLC Top agencies DHS (Department of Homeland Security)	$471,940	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
100	Rocker Solenoid Co Top agencies DLA (Defense Logistics Agency)	$448,623	0.1%	Rank history: not on the FY2022–FY2025 lists; up 106 since FY2020.

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100 of 850 contractors listed here. See the rest on GovTribe.

Rankings for the codes under PSC 29

Code	Net obligations	Largest contractor
2995 Miscellaneous Engine Accessories, Aircraft	$122,312,552	Lockheed Martin Corporation
2915 Engine Fuel System Components, Aircraft and Missile Prime Movers	$106,890,535	RTX Corporation
2910 Engine Fuel System Components, Nonaircraft	$44,016,893	Fairbanks Morse LLC
2925 Engine Electrical System Components, Aircraft Prime Moving	$43,713,950	General Electric Company
2935 Engine System Cooling Components, Aircraft Prime Moving	$42,755,592	General Electric Company
2990 Miscellaneous Engine Accessories, Nonaircraft	$33,113,696	Optimum Vehicle Logistics LLC
2920 Engine Electrical System Components, Nonaircraft	$27,874,209	C E Niehoff & Co
2940 Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft	$23,665,362	General Electric Company
2930 Engine Cooling System Components, Nonaircraft	$15,472,438	W. W. Williams Company LLC the
2945 Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving	$6,579,901	Danaher Corporation
2950 Turbosuperchargers and components	$5,792,903	Volkswagen AG

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 $499 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 29 contractors in FY2021?

1. General Electric Company ($65.2M), 2. Lockheed Martin Corporation ($46.6M), 3. Honeywell International Inc. ($35.6M), 4. RTX Corporation ($30.3M), 5. Parker-Hannifin Corporation ($19.2M), 6. Woodward Governor Company ($18.7M), 7. Transaero, Inc. ($14.6M), 8. Aarcorp ($10.9M), 9. Transdigm Group Incorporated ($10.6M), 10. Jamaica Bearings Co., Inc. ($9.32M).

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