Top 100 Contractors in PSC J028: Maintenance, Repair and Rebuilding of Equipment: Engines, Turbines, and Components, FY2024

Name: Top 100 Contractors in PSC J028: Maintenance, Repair and Rebuilding of Equipment: Engines, Turbines, and Components, FY2024
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2023 – Sep 30, 2024 Code page on GovTribe

The top 10 won 91% of FY2024 PSC J028 contract dollars

Contract obligations: $2,326,881,321 Net of deobligations, by contracts coded PSC J028
Contractors: 164 Parent companies with an obligation
Largest contractor: RTX Corporation $1.61 billion, 66.4% 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 Rockwell Collins, Inc. and Goodrich Control Systems Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security) Navy (Department of the Navy)	$1,610,843,087	66.4%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2023 and #1 in FY2025; unchanged since FY2023.
2	Rolls-Royce Solutions America Inc. 2 awardees, including Rolls-Royce Corporation Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$164,381,070	6.8%	Rank history: not on the FY2021–FY2023 lists and #2 in FY2025; new.
3	Rolls-Royce Military Aero Engines Ltd 2 awardees, including Rolls-Royce Corporation and Rolls-Royce North American Technologies Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$120,100,578	4.9%	Rank history: #2 in FY2021, #2 in FY2022, #2 in FY2023 and not on the FY2025 list; down 1 since FY2023.
4	Aero Turbine, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$113,563,617	4.7%	Rank history: #10 in FY2021, #5 in FY2022, #3 in FY2023 and #18 in FY2025; down 1 since FY2023.
5	ManTech International Corporation 3 awardees, including Standard Aero (San Antonio) Inc., Standardaero Component Services, Inc. and Standard Aero (Alliance) Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$76,425,857	3.1%	Rank history: not on the FY2021–FY2023 lists and #3 in FY2025; new.
6	General Electric Company 8 awardees, including GE Renewables US LLC and Paradigm Manchester Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DOI (Department of the Interior)	$34,779,504	1.4%	Rank history: #5 in FY2021, #6 in FY2022, #5 in FY2023 and #4 in FY2025; down 1 since FY2023.
7	Rolls-Royce Corporation Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DHS (Department of Homeland Security)	$34,466,613	1.4%	Rank history: #7 in FY2021, #8 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
8	Canadian Commercial Corporation Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$30,326,723	1.2%	Rank history: #35 in FY2021, #15 in FY2022, not on the FY2023 list and #5 in FY2025; returned.
9	Standardaero Aviation Holdings, Inc. 3 awardees, including Standard Aero (San Antonio) Inc., Standard Aero Limited and Standard Aero (Alliance) Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DOS (Department of State)	$17,830,189	0.7%	Rank history: #4 in FY2021, #4 in FY2022, #4 in FY2023 and #17 in FY2025; down 5 since FY2023.
10	General Atomics Aerotec Systems GMBH Through Ruag AG Top agencies Navy (Department of the Navy)	$13,338,420	0.5%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 107 since FY2023.
11	Welin Lambie Limited Through Fairbanks Morse, LLC Top agencies Navy (Department of the Navy)	$11,524,958	0.5%	Rank history: not on the FY2021–FY2023 lists and #8 in FY2025; new.
12	Fairbanks Morse, LLC 2 awardees Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$9,663,405	0.4%	Rank history: #9 in FY2021, #17 in FY2022, #8 in FY2023 and not on the FY2025 list; down 4 since FY2023.
13	Tusas Motor Sanayii A.S. Top agencies Navy (Department of the Navy)	$6,685,868	0.3%	Rank history: not on the FY2021–FY2023 lists and #7 in FY2025; new.
14	RWG Repair & Overhauls USA Inc. Top agencies Navy (Department of the Navy)	$5,814,041	0.2%	Rank history: not on the FY2021–FY2023 lists and #9 in FY2025; new.
15	Unico Mechanical Corp. Top agencies DOI (Department of the Interior)	$5,485,341	0.2%	Rank history: not on the FY2021 list, #19 in FY2022, #22 in FY2023 and #22 in FY2025; up 7 since FY2023.
16	MTU Maintenance Berlin- Brandenburg GMBH Top agencies Navy (Department of the Navy)	$5,235,634	0.2%	Rank history: not on the FY2021–FY2023 lists and #15 in FY2025; new.
17	Rolls Wood Group (Repair & Overhauls) Ltd Through RWG Repair & Overhauls USA Inc. Top agencies Navy (Department of the Navy)	$4,675,574	0.2%	Rank history: #12 in FY2021, #10 in FY2022, #9 in FY2023 and not on the FY2025 list; down 8 since FY2023.
18	Aml-American Made Logistics Top agencies VA (Department of Veterans Affairs)	$4,250,000	0.2%	Rank history: not on the FY2021–FY2023 lists and #74 in FY2025; new.
19	Government of Canada Through Canadian Commercial Corporation Top agencies USAF (Department of the Air Force)	$3,824,153	0.2%	Rank history: #6 in FY2021, #7 in FY2022, #7 in FY2023 and not on the FY2025 list; down 12 since FY2023.
20	Chromalloy SAN Diego Corp Through Chromalloy Component Services Inc. Top agencies USAF (Department of the Air Force)	$3,803,579	0.2%	Rank history: not on the FY2021 list, #25 in FY2022, #26 in FY2023 and #12 in FY2025; up 6 since FY2023.
21	Environmental Alternatives Inc Top agencies Navy (Department of the Navy)	$3,588,498	0.1%	Rank history: not on the FY2021–FY2023 lists and #25 in FY2025; new.
22	Siemens Energy Inc. Top agencies HHS (Department of Health and Human Services)	$3,167,221	0.1%	Rank history: not on the FY2021–FY2023 lists and #19 in FY2025; new.
23	GM Defense LLC Top agencies Army (Department of the Army)	$3,165,424	0.1%	Rank history: not on the FY2021–FY2023 lists and #6 in FY2025; new.
24	AAR Government Services Inc. Through AAR Allen Services, Inc. Top agencies USAF (Department of the Air Force)	$3,141,132	0.1%	Rank history: not on the FY2021–FY2023 lists and #13 in FY2025; new.
25	US Turbine & Accessory LLC Top agencies Navy (Department of the Navy)	$3,098,419	0.1%	Rank history: not on the FY2021–FY2022 lists, #16 in FY2023 and not on the FY2025 list; down 9 since FY2023.
26	Mint Turbines LLC Top agencies USAF (Department of the Air Force)	$3,014,834	0.1%	Rank history: not on the FY2021–FY2023 lists and #10 in FY2025; new.
27	MTU Aero Engines Holding AG Through Vericor Power Systems LLC Top agencies Navy (Department of the Navy)	$2,886,381	0.1%	Rank history: #15 in FY2021, #11 in FY2022, #18 in FY2023 and not on the FY2025 list; down 9 since FY2023.
28	Kratos Defense & Security Solutions Inc. Through Florida Turbine Technologies, Inc. Top agencies USAF (Department of the Air Force)	$2,259,096	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
29	Woodward Governor Company 2 awardees, including Woodward Fst, Inc. and Woodward, Inc. Top agencies USAF (Department of the Air Force)	$2,149,043	0.1%	Rank history: #23 in FY2021, #24 in FY2022, #15 in FY2023 and not on the FY2025 list; down 14 since FY2023.
30	M International Inc. 2 awardees, including Keystone Turbine Services, LLC and Mint Turbines LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DOS (Department of State)	$2,037,792	0.1%	Rank history: #41 in FY2021, #14 in FY2022, #12 in FY2023 and not on the FY2025 list; down 18 since FY2023.
31	Miquin, L.L.C. Top agencies Navy (Department of the Navy)	$2,008,135	0.1%	Rank history: not on the FY2021–FY2023 lists and #59 in FY2025; new.
32	Andritz (USA) Inc. Through Andritz Hydro Corp Top agencies DOI (Department of the Interior)	$1,763,925	0.1%	Rank history: not on the FY2021–FY2023 lists and #20 in FY2025; new.
33	Segers Aero Corp Top agencies USAF (Department of the Air Force)	$1,749,995	0.1%	Rank history: #20 in FY2021, #13 in FY2022, #17 in FY2023 and not on the FY2025 list; down 16 since FY2023.
34	Component Repair Technologies, Inc. Top agencies Navy (Department of the Navy)	$1,651,361	0.1%	Rank history: not on the FY2021 list, #26 in FY2022, #24 in FY2023 and #29 in FY2025; down 10 since FY2023.
35	Pacific Power Group, LLC Top agencies DHS (Department of Homeland Security)	$1,578,487	0.1%	Rank history: not on the FY2021–FY2023 lists and #16 in FY2025; new.
36	R.s.l. Electronics Limited Top agencies USAF (Department of the Air Force)	$1,524,600	0.1%	Rank history: #29 in FY2021, #33 in FY2022, not on the FY2023 list and #32 in FY2025; returned.
37	Penobscot Support Services, LLC Top agencies Army (Department of the Army)	$1,428,956	0.1%	Rank history: #43 in FY2021, #29 in FY2022, #19 in FY2023 and #23 in FY2025; down 18 since FY2023.
38	Pas Technologies Inc. Top agencies USAF (Department of the Air Force)	$1,415,876	0.1%	Rank history: not on the FY2021–FY2023 lists and #35 in FY2025; new.
39	Lockheed Martin Corporation 2 awardees Top agencies USAF (Department of the Air Force)	$1,365,915	0.1%	Rank history: #3 in FY2021, #3 in FY2022, #6 in FY2023 and not on the FY2025 list; down 33 since FY2023.
40	Puckett Machinery Company Top agencies Army (Department of the Army)	$1,276,064	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
41	Bedek Aviation Group Israel Aerospace Industries Ltd Top agencies USAF (Department of the Air Force)	$676,500	<0.1%	Rank history: not on the FY2021–FY2023 lists and #27 in FY2025; new.
42	Gryphon Investors Inc. Through Shermco Industries Inc. Top agencies DOI (Department of the Interior)	$644,632	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
43	Flight Support, Inc. Top agencies USAF (Department of the Air Force)	$576,273	<0.1%	Rank history: #13 in FY2021, not on the FY2022 list, #10 in FY2023 and not on the FY2025 list; down 33 since FY2023.
44	Marinette Marine Corporation Through Fincantieri Marine Systems North America, Inc. Top agencies Navy (Department of the Navy)	$519,581	<0.1%	Rank history: not on the FY2021–FY2023 lists and #55 in FY2025; new.
45	Voith Hydro Inc Top agencies Army (Department of the Army)	$494,902	<0.1%	Rank history: not on the FY2021–FY2023 lists and #71 in FY2025; new.
46	Sytronics Inc. Top agencies DHS (Department of Homeland Security)	$463,941	<0.1%	Rank history: not on the FY2021 list, #12 in FY2022, #47 in FY2023 and #53 in FY2025; up 1 since FY2023.
47	Woodward Inc. 2 awardees, including Woodward Fst, Inc. Top agencies USAF (Department of the Air Force)	$445,766	<0.1%	Rank history: not on the FY2021–FY2023 lists and #21 in FY2025; new.
48	Raider Outboards Inc Top agencies Navy (Department of the Navy)	$412,172	<0.1%	Rank history: not on the FY2021–FY2022 lists, #30 in FY2023 and not on the FY2025 list; down 18 since FY2023.
49	Nippon Caterpillar Limited Liability Company Top agencies Navy (Department of the Navy)	$360,777	<0.1%	Rank history: not on the FY2021–FY2023 lists and #62 in FY2025; new.
50	Veterans Elite Inc Top agencies VA (Department of Veterans Affairs)	$314,650	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
51	Turbine Marine Inc. Top agencies Navy (Department of the Navy)	$277,500	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
52	Andritz AG Through Andritz Hydro Corp Top agencies DOI (Department of the Interior)	$271,748	<0.1%	Rank history: #27 in FY2021, #18 in FY2022, #21 in FY2023 and not on the FY2025 list; down 31 since FY2023.
53	Melton Sales & Service Top agencies Army (Department of the Army)	$265,680	<0.1%	Rank history: #39 in FY2021, #42 in FY2022, not on the FY2023 list and #46 in FY2025; up 55 since FY2023.
54	MTP Drivetrain Services, L.L.C. Top agencies Army (Department of the Army)	$256,525	<0.1%	Rank history: not on the FY2021–FY2023 lists and #30 in FY2025; new.
55	Vergent Power Solutions LLC Top agencies VA (Department of Veterans Affairs)	$252,540	<0.1%	Rank history: #51 in FY2021, #45 in FY2022, #37 in FY2023 and #69 in FY2025; down 18 since FY2023.
56	Cincinnati Control Dynamics Inc. Top agencies Army (Department of the Army)	$217,600	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
57	Reivax North America Inc. Top agencies Army (Department of the Army)	$217,120	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
58	Genserve LLC Top agencies VA (Department of Veterans Affairs)	$209,988	<0.1%	Rank history: not on the FY2021–FY2023 lists and #40 in FY2025; new.
59	Aarcorp Through AAR Allen Services, Inc. Top agencies USAF (Department of the Air Force)	$190,754	<0.1%	Rank history: #18 in FY2021, #20 in FY2022, #14 in FY2023 and not on the FY2025 list; down 45 since FY2023.
60	Grey Snow Professional Services LLC Top agencies DOJ (Department of Justice)	$181,967	<0.1%	Rank history: not on the FY2021–FY2023 lists and #33 in FY2025; new.
61	Atec Inc. Top agencies USAF (Department of the Air Force)	$180,140	<0.1%	Rank history: not on the FY2021–FY2022 lists, #27 in FY2023 and not on the FY2025 list; down 34 since FY2023.
62	Standardaero Component Services Inc. Top agencies USAF (Department of the Air Force)	$161,142	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
63	Stratasys, Inc. Top agencies Navy (Department of the Navy)	$160,345	<0.1%	Rank history: not on the FY2021–FY2023 lists and #51 in FY2025; new.
64	Liburdi Turbine Services, LLC Top agencies Navy (Department of the Navy)	$157,927	<0.1%	Rank history: not on the FY2021–FY2023 lists and #50 in FY2025; new.
65	Stowers Machinery Corp Top agencies VA (Department of Veterans Affairs)	$154,950	<0.1%	Rank history: not on the FY2021–FY2022 lists, #62 in FY2023 and #54 in FY2025; down 3 since FY2023.
66	Etolin Strait Development Group LLC Through Etolin Strait Partners, LLC Top agencies Navy (Department of the Navy)	$137,329	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
67	R O B E R T B O S C H S T I F T U N G Gesellschaft MIT Beschrankter Haftung Through Bosch Rexroth Corporation Top agencies Army (Department of the Army) Navy (Department of the Navy)	$132,942	<0.1%	Rank history: not on the FY2021–FY2023 lists and #36 in FY2025; new.
68	VSS Logistics LLC Top agencies VA (Department of Veterans Affairs)	$96,545	<0.1%	Rank history: #87 in FY2021, #79 in FY2022, #59 in FY2023 and not on the FY2025 list; down 9 since FY2023.
69	Curtiss-Wright Corporation Through Curtiss-Wright Electro-Mechanical Corp Top agencies Navy (Department of the Navy)	$95,175	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
70	Allison Service Korea Co.,Ltd Top agencies Army (Department of the Army)	$93,837	<0.1%	Rank history: #91 in FY2021, #55 in FY2022, #53 in FY2023 and #57 in FY2025; down 17 since FY2023.
71	Sterileco LLC Top agencies Army (Department of the Army)	$92,200	<0.1%	Rank history: not on the FY2021–FY2023 lists and #80 in FY2025; new.
72	Mizuno Marine Co.,Ltd. Top agencies Navy (Department of the Navy)	$84,913	<0.1%	Rank history: #42 in FY2021, #43 in FY2022, #40 in FY2023 and not on the FY2025 list; down 32 since FY2023.
73	Emergency Vehicle Specialist, Inc. Top agencies WHS (DOD Washington Headquarters Service)	$82,786	<0.1%	Rank history: not on the FY2021–FY2022 lists, #61 in FY2023 and #64 in FY2025; down 12 since FY2023.
74	Airbus DS Military Aircraft Inc. Top agencies DHS (Department of Homeland Security)	$82,386	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
75	Paradigm Manchester Inc. 2 awardees, including Turbocombustor Technology, Inc. Top agencies USAF (Department of the Air Force)	$75,845	<0.1%	Rank history: #26 in FY2021, #40 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
76	Kalvio LLC Top agencies Army (Department of the Army)	$73,337	<0.1%	Rank history: #80 in FY2021, #73 in FY2022, #68 in FY2023 and #70 in FY2025; down 8 since FY2023.
77	Caterpillar Inc. Through Solar Turbines Incorporated Top agencies USDA (Department of Agriculture)	$66,108	<0.1%	Rank history: #34 in FY2021, #37 in FY2022, #31 in FY2023 and not on the FY2025 list; down 46 since FY2023.
78	Aurora Energy Services Inc. Top agencies USAF (Department of the Air Force)	$61,500	<0.1%	Rank history: not on the FY2021–FY2023 lists and #75 in FY2025; new.
79	Ohio Machinery Co Top agencies VA (Department of Veterans Affairs)	$60,829	<0.1%	Rank history: not on the FY2021–FY2022 lists, #71 in FY2023 and #72 in FY2025; down 8 since FY2023.
80	Palmer Johnson Power Systems LLC Top agencies Army (Department of the Army)	$60,510	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
81	Guidehouse Inc. Through Chromalloy Gas Turbine LLC Top agencies Navy (Department of the Navy)	$58,320	<0.1%	Rank history: not on the FY2021–FY2023 lists and #37 in FY2025; new.
82	E-Finity Distributed Generation LLC Top agencies USAF (Department of the Air Force)	$56,737	<0.1%	Rank history: #85 in FY2021, #60 in FY2022, #75 in FY2023 and #68 in FY2025; down 7 since FY2023.
83	J.a. Riggs Tractor Company Top agencies Army (Department of the Army)	$52,939	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
84	Turbine Controls, LLC Top agencies USAF (Department of the Air Force)	$50,040	<0.1%	Rank history: #47 in FY2021, #44 in FY2022, #49 in FY2023 and not on the FY2025 list; down 35 since FY2023.
85	Bay Cities Diesel Machining, Inc. Top agencies DHS (Department of Homeland Security)	$49,218	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
86	Thompson Machinery Commerce Corporation Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$49,010	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
87	Turbocombustor Technology, Inc. Top agencies USAF (Department of the Air Force)	$43,653	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
88	Sunset Marine Inc. Top agencies Navy (Department of the Navy)	$43,023	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
89	Altorfer Industries Inc. Top agencies VA (Department of Veterans Affairs)	$38,523	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
90	Ozark Aeroworks LLC Top agencies USAF (Department of the Air Force)	$36,579	<0.1%	Rank history: not on the FY2021–FY2022 lists, #87 in FY2023 and not on the FY2025 list; down 3 since FY2023.
91	Gora Dagenhart Diesel LLC Top agencies DOI (Department of the Interior)	$34,009	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
92	Dadet LLC Top agencies DOS (Department of State)	$33,000	<0.1%	Rank history: not on the FY2021–FY2022 lists, #89 in FY2023 and #83 in FY2025; down 3 since FY2023.
93	Dynamic Ratings, Inc. Top agencies Army (Department of the Army)	$32,634	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
94	GE Vernova International LLC Top agencies USAF (Department of the Air Force)	$30,998	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
95	Southworth-Milton, Inc. Top agencies Army (Department of the Army)	$30,872	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
96	Cummins Inc. 4 awardees Top agencies Navy (Department of the Navy) VA (Department of Veterans Affairs) FCC (Federal Communications Commission)	$30,322	<0.1%	Rank history: #89 in FY2021, #30 in FY2022, #86 in FY2023 and not on the FY2025 list; down 10 since FY2023.
97	Veteran Electrical Power Systems, Inc. Top agencies VA (Department of Veterans Affairs)	$29,245	<0.1%	Rank history: #96 in FY2021, #85 in FY2022, #95 in FY2023 and #98 in FY2025; down 2 since FY2023.
98	Guardian Systems LLC Top agencies Army (Department of the Army)	$27,988	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
99	Basler Electric Company, LLC Top agencies Army (Department of the Army)	$27,184	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
100	Tominaga & Co, Ltd. Top agencies Navy (Department of the Navy)	$26,351	<0.1%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2025; new.

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100 of 164 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 $2.43 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 2024 ran Oct 1, 2023 – Sep 30, 2024. 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 FY2023. "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 FY2023 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 J028 contractors in FY2024?

1. RTX Corporation ($1.61B), 2. Rolls-Royce Solutions America Inc. ($164M), 3. Rolls-Royce Military Aero Engines Ltd ($120M), 4. Aero Turbine, Inc. ($114M), 5. ManTech International Corporation ($76.4M), 6. General Electric Company ($34.8M), 7. Rolls-Royce Corporation ($34.5M), 8. Canadian Commercial Corporation ($30.3M), 9. Standardaero Aviation Holdings, Inc. ($17.8M), 10. General Atomics Aerotec Systems GMBH ($13.3M).

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