Top 100 Contractors in NAICS 611512: Flight Training, FY2024

Name: Top 100 Contractors in NAICS 611512: Flight Training, FY2024
Creator: GovTribe

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

The top 10 won 49% of FY2024 NAICS 611512 contract dollars

Contract obligations: $844,371,317 Net of deobligations, by contracts coded NAICS 611512
Contractors: 155 Parent companies with an obligation
Largest contractor: Amentum Services, Inc. $90.5 million, 10.0% 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	Amentum Services, Inc. Top agencies Army (Department of the Army)	$90,463,149	10.0%	Rank history: not on the FY2021–FY2022 lists, #3 in FY2023 and #3 in FY2025; up 2 since FY2023.
2	Textron Inc. 4 awardees, including Airborne Tactical Advantage Co LLC, Bell Textron Inc. and Textron Aviation Defense LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DOJ (Department of Justice)	$59,755,314	6.6%	Rank history: #65 in FY2021, #58 in FY2022, #7 in FY2023 and #4 in FY2025; up 5 since FY2023.
3	Tactical Air Support, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$51,482,001	5.7%	Rank history: #13 in FY2021, #16 in FY2022, #6 in FY2023 and #5 in FY2025; up 3 since FY2023.
4	CAE USA Inc. 5 awardees Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$50,263,101	5.5%	Rank history: #47 in FY2021, not on the FY2022–FY2023 lists and #1 in FY2025; returned.
5	Top Aces Corp. Top agencies USAF (Department of the Air Force)	$49,854,042	5.5%	Rank history: not on the FY2021 list, #6 in FY2022, #9 in FY2023 and not on the FY2025 list; up 4 since FY2023.
6	CAE Inc. 8 awardees, including CAE Usa, Inc. and CAE Simuflite, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$37,446,273	4.1%	Rank history: #1 in FY2021, #2 in FY2022, #1 in FY2023 and #29 in FY2025; down 5 since FY2023.
7	Berkshire Hathaway Inc. 4 awardees, including Flightsafety International Inc., Flightsafety Defense Corporation and Frasca International, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DOT (Department of Transportation)	$30,092,319	3.3%	Rank history: #7 in FY2021, #5 in FY2022, #2 in FY2023 and not on the FY2025 list; down 5 since FY2023.
8	PAL Aero Services Ltd Through Crew Training International, Inc. Top agencies USAF (Department of the Air Force)	$25,383,345	2.8%	Rank history: not on the FY2021 list, #4 in FY2022, #4 in FY2023 and not on the FY2025 list; down 4 since FY2023.
9	L3Harris Technologies, Inc. 3 awardees, including CAE USA Inc. and L3 Technologies, Inc. Top agencies USAF (Department of the Air Force)	$24,856,724	2.7%	Rank history: #6 in FY2021, #10 in FY2022, #5 in FY2023 and #82 in FY2025; down 4 since FY2023.
10	Resicum International LLC 2 awardees Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$22,093,322	2.4%	Rank history: #23 in FY2021, #21 in FY2022, #23 in FY2023 and #15 in FY2025; up 13 since FY2023.
11	Draken International, LLC Top agencies USAF (Department of the Air Force)	$18,548,456	2.0%	Rank history: #3 in FY2021, #7 in FY2022, #8 in FY2023 and #6 in FY2025; down 3 since FY2023.
12	Crew Training International, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$18,498,274	2.0%	Rank history: #5 in FY2021, #8 in FY2022, not on the FY2023 list and #18 in FY2025; returned.
13	Lockheed Martin Corporation 3 awardees Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$18,341,508	2.0%	Rank history: #14 in FY2021, #29 in FY2022, #26 in FY2023 and #2 in FY2025; up 13 since FY2023.
14	Aviation Systems Engineering Company Inc. Top agencies Navy (Department of the Navy)	$18,282,354	2.0%	Rank history: not on the FY2021 list, #30 in FY2022, #14 in FY2023 and #8 in FY2025; unchanged since FY2023.
15	KBR Wyle Services LLC 4 awardees Top agencies Army (Department of the Army) Navy (Department of the Navy)	$18,056,324	2.0%	Rank history: not on the FY2021–FY2023 lists and #9 in FY2025; new.
16	Pinnacle Solutions LLC Top agencies Army (Department of the Army)	$17,941,551	2.0%	Rank history: #9 in FY2021, #14 in FY2022, #15 in FY2023 and not on the FY2025 list; down 1 since FY2023.
17	Avix-Bgi JV LLC Top agencies USAF (Department of the Air Force)	$17,214,103	1.9%	Rank history: #16 in FY2021, #20 in FY2022, #18 in FY2023 and #33 in FY2025; up 1 since FY2023.
18	Flightsafety Defense Corporation Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$17,092,024	1.9%	Rank history: not on the FY2021–FY2023 lists and #11 in FY2025; new.
19	The Rockhill Group. Inc. Top agencies USAF (Department of the Air Force)	$16,668,567	1.8%	Rank history: #12 in FY2021, #15 in FY2022, #12 in FY2023 and #19 in FY2025; down 7 since FY2023.
20	Aviation Training Consulting, LLC Top agencies Navy (Department of the Navy)	$14,623,330	1.6%	Rank history: not on the FY2021 list, #19 in FY2022, #19 in FY2023 and #23 in FY2025; down 1 since FY2023.
21	Ravn Group, Inc. Top agencies USAF (Department of the Air Force)	$13,848,431	1.5%	Rank history: #67 in FY2021, not on the FY2022 list, #34 in FY2023 and #22 in FY2025; up 13 since FY2023.
22	Milsup LLC Top agencies USAF (Department of the Air Force)	$13,314,438	1.5%	Rank history: #28 in FY2021, #18 in FY2022, #21 in FY2023 and #28 in FY2025; down 1 since FY2023.
23	Avix-Bgi JV II, LLC Top agencies USAF (Department of the Air Force)	$13,312,900	1.5%	Rank history: not on the FY2021 list, #26 in FY2022, #20 in FY2023 and #20 in FY2025; down 3 since FY2023.
24	Allen Corporation of America, Inc. Top agencies DOT (Department of Transportation)	$12,753,150	1.4%	Rank history: #15 in FY2021, #22 in FY2022, #16 in FY2023 and #21 in FY2025; down 8 since FY2023.
25	L3HARRIS Aviation Products Inc 3 awardees, including CAE USA Inc. and L3 Technologies, Inc. Top agencies USAF (Department of the Air Force)	$12,132,172	1.3%	Rank history: not on the FY2021–FY2022 lists, #27 in FY2023 and not on the FY2025 list; up 2 since FY2023.
26	Valiant Global Defense Services Inc. Top agencies USAF (Department of the Air Force)	$12,111,541	1.3%	Rank history: not on the FY2021–FY2023 lists and #24 in FY2025; new.
27	Fox3 International LLC Top agencies USAF (Department of the Air Force)	$9,813,084	1.1%	Rank history: not on the FY2021–FY2022 lists, #35 in FY2023 and not on the FY2025 list; up 8 since FY2023.
28	Advanced Concepts Enterprises, Inc. Top agencies USAF (Department of the Air Force)	$9,485,745	1.0%	Rank history: #24 in FY2021, #27 in FY2022, #25 in FY2023 and #26 in FY2025; down 3 since FY2023.
29	Blue Air Training Corp Top agencies USAF (Department of the Air Force)	$9,448,217	1.0%	Rank history: #20 in FY2021, #13 in FY2022, #13 in FY2023 and #13 in FY2025; down 16 since FY2023.
30	Creek Technologies Company Top agencies USAF (Department of the Air Force)	$8,904,999	1.0%	Rank history: not on the FY2021–FY2022 lists, #24 in FY2023 and #31 in FY2025; down 6 since FY2023.
31	Air Center Helicopters, Inc. Top agencies USAF (Department of the Air Force)	$8,820,231	1.0%	Rank history: #32 in FY2021, #32 in FY2022, #29 in FY2023 and not on the FY2025 list; down 2 since FY2023.
32	Skywarrior Flight Training LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$8,166,601	0.9%	Rank history: not on the FY2021 list, #36 in FY2022, #28 in FY2023 and #17 in FY2025; down 4 since FY2023.
33	Saguaro Business Solutions LLC Top agencies USAF (Department of the Air Force)	$7,767,937	0.9%	Rank history: not on the FY2021–FY2023 lists and #14 in FY2025; new.
34	Miltrain JV LLC Top agencies USAF (Department of the Air Force)	$7,446,693	0.8%	Rank history: not on the FY2021–FY2023 lists and #37 in FY2025; up 99 since FY2023.
35	Brunner Aerospace LLC Top agencies USAF (Department of the Air Force)	$7,416,580	0.8%	Rank history: #71 in FY2021, #73 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
36	STS Systems Support, LLC Top agencies USAF (Department of the Air Force)	$6,706,906	0.7%	Rank history: not on the FY2021–FY2022 lists, #50 in FY2023 and #27 in FY2025; up 14 since FY2023.
37	Calspan, LLC 2 awardees Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$6,144,340	0.7%	Rank history: #26 in FY2021, #33 in FY2022, #31 in FY2023 and #30 in FY2025; down 6 since FY2023.
38	Airborne Tactical Advantage Co LLC Top agencies Navy (Department of the Navy)	$5,992,028	0.7%	Rank history: not on the FY2021–FY2022 lists, #10 in FY2023 and not on the FY2025 list; down 28 since FY2023.
39	The Boeing Company 7 awardees, including Insitu, Inc., Aurora Flight Sciences Corporation and Boeing US Training and Flight Services L.L.C. Top agencies Navy (Department of the Navy) DOT (Department of Transportation)	$5,988,541	0.7%	Rank history: #34 in FY2021, #38 in FY2022, #30 in FY2023 and #38 in FY2025; down 9 since FY2023.
40	National Test Pilot School Inc. Top agencies USAF (Department of the Air Force) DOT (Department of Transportation) Navy (Department of the Navy)	$4,417,273	0.5%	Rank history: #35 in FY2021, #37 in FY2022, #33 in FY2023 and #35 in FY2025; down 7 since FY2023.
41	Delaware Resource Group of Oklahoma LLC Top agencies USAF (Department of the Air Force)	$4,369,168	0.5%	Rank history: not on the FY2021–FY2022 lists, #32 in FY2023 and not on the FY2025 list; down 9 since FY2023.
42	Actualized Business Solutions Inc Top agencies Navy (Department of the Navy)	$4,090,859	0.5%	Rank history: not on the FY2021 list, #46 in FY2022, #36 in FY2023 and #57 in FY2025; down 6 since FY2023.
43	SJ Innovations LLC Top agencies DOT (Department of Transportation)	$3,173,154	0.3%	Rank history: #37 in FY2021, #39 in FY2022, #39 in FY2023 and #58 in FY2025; down 4 since FY2023.
44	Clearsky Joint Ventures, LLC Top agencies DOT (Department of Transportation)	$2,936,684	0.3%	Rank history: not on the FY2021–FY2023 lists and #36 in FY2025; new.
45	Specular Theory Inc. Top agencies USAF (Department of the Air Force)	$2,700,000	0.3%	Rank history: #42 in FY2021, #43 in FY2022, #42 in FY2023 and not on the FY2025 list; down 3 since FY2023.
46	CAE Simuflite, Inc. Top agencies DOT (Department of Transportation) DOJ (Department of Justice)	$2,241,451	0.2%	Rank history: not on the FY2021–FY2023 lists and #51 in FY2025; new.
47	Delmar Aerospace Corporation Top agencies USAF (Department of the Air Force)	$2,159,941	0.2%	Rank history: not on the FY2021–FY2022 lists, #53 in FY2023 and #47 in FY2025; up 6 since FY2023.
48	Helistream Inc. Top agencies DHS (Department of Homeland Security)	$1,966,406	0.2%	Rank history: #38 in FY2021, #47 in FY2022, #40 in FY2023 and #50 in FY2025; down 8 since FY2023.
49	Flight Training International, Inc. Top agencies USAF (Department of the Air Force)	$1,939,395	0.2%	Rank history: #45 in FY2021, #41 in FY2022, #44 in FY2023 and #48 in FY2025; down 5 since FY2023.
50	Valkyrie Aero, LLC Top agencies USAF (Department of the Air Force)	$1,847,533	0.2%	Rank history: not on the FY2021–FY2023 lists and #44 in FY2025; new.
51	All In Aviation LLC Top agencies USAF (Department of the Air Force)	$1,586,138	0.2%	Rank history: #63 in FY2021, not on the FY2022 list, #51 in FY2023 and #41 in FY2025; unchanged since FY2023.
52	VTS Aviation LLC Top agencies Navy (Department of the Navy)	$1,469,691	0.2%	Rank history: #46 in FY2021, #49 in FY2022, #49 in FY2023 and #53 in FY2025; down 3 since FY2023.
53	Bell Murray Aerospace, Inc. Top agencies Navy (Department of the Navy) DOT (Department of Transportation)	$1,454,725	0.2%	Rank history: not on the FY2021 list, #52 in FY2022, #43 in FY2023 and #49 in FY2025; down 10 since FY2023.
54	Chenega Defense & Aerospace Solutions, LLC Top agencies USAF (Department of the Air Force)	$1,327,826	0.1%	Rank history: #56 in FY2021, #50 in FY2022, #47 in FY2023 and #54 in FY2025; down 7 since FY2023.
55	Rampart Aviation, Llc. Top agencies USAF (Department of the Air Force)	$1,255,229	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
56	Skyline Aviation B.V. Top agencies USAF (Department of the Air Force)	$1,167,140	0.1%	Rank history: #40 in FY2021, #44 in FY2022, #41 in FY2023 and not on the FY2025 list; down 15 since FY2023.
57	Viavi Solutionsllc Through FR Aviation Limited Top agencies USAF (Department of the Air Force)	$1,033,399	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
58	Turbine Training Center, Inc. Top agencies USAF (Department of the Air Force)	$947,700	0.1%	Rank history: not on the FY2021–FY2022 lists, #72 in FY2023 and #91 in FY2025; up 14 since FY2023.
59	Pray Aviation, Inc. Top agencies Navy (Department of the Navy)	$643,583	0.1%	Rank history: not on the FY2021–FY2022 lists, #56 in FY2023 and #60 in FY2025; down 3 since FY2023.
60	T3I Solutions LLC Top agencies USAF (Department of the Air Force)	$630,664	0.1%	Rank history: #58 in FY2021, #61 in FY2022, #58 in FY2023 and not on the FY2025 list; down 2 since FY2023.
61	Topflight Elite Training and Charter Services Inc. Top agencies USAF (Department of the Air Force) DOJ (Department of Justice) Navy (Department of the Navy)	$574,847	0.1%	Rank history: not on the FY2021–FY2023 lists and #62 in FY2025; new.
62	Delta Air Lines Inc. 2 awardees Top agencies Navy (Department of the Navy) NASA (National Aeronautics and Space Administration)	$533,269	0.1%	Rank history: #61 in FY2021, #57 in FY2022, #57 in FY2023 and #61 in FY2025; down 5 since FY2023.
63	Val-Kor, LLC Top agencies USAF (Department of the Air Force)	$459,649	0.1%	Rank history: not on the FY2021–FY2022 lists, #87 in FY2023 and #63 in FY2025; up 24 since FY2023.
64	Priority 1 Air Rescue Services Inc. Through Priority 1 Air Rescue Operations (Arizona), LP Top agencies DHS (Department of Homeland Security)	$417,000	<0.1%	Rank history: #54 in FY2021, #54 in FY2022, #54 in FY2023 and not on the FY2025 list; down 10 since FY2023.
65	Air Zermatt AG Top agencies USAF (Department of the Air Force) DOJ (Department of Justice)	$390,385	<0.1%	Rank history: not on the FY2021 list, #81 in FY2022, #92 in FY2023 and not on the FY2025 list; up 27 since FY2023.
66	The University of Iowa Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$376,145	<0.1%	Rank history: #69 in FY2021, #76 in FY2022, #73 in FY2023 and #67 in FY2025; up 7 since FY2023.
67	International Development & Resources, Inc. Top agencies USSOCOM (United States Special Operations Command)	$373,220	<0.1%	Rank history: #11 in FY2021, #9 in FY2022, #46 in FY2023 and #12 in FY2025; down 21 since FY2023.
68	Flightsafety Textron Aviation Training LLC Top agencies USAF (Department of the Air Force)	$344,770	<0.1%	Rank history: not on the FY2021–FY2022 lists, #60 in FY2023 and #74 in FY2025; down 8 since FY2023.
69	Priority 1 Air Rescue Operations (Arizona), LP Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security) Army (Department of the Army)	$330,878	<0.1%	Rank history: not on the FY2021–FY2023 lists and #55 in FY2025; new.
70	Gauntlet Aerospace LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$325,681	<0.1%	Rank history: #59 in FY2021, #55 in FY2022, #55 in FY2023 and #64 in FY2025; down 15 since FY2023.
71	Avenger Flight Training, LLC Top agencies USAF (Department of the Air Force)	$292,500	<0.1%	Rank history: #55 in FY2021, #71 in FY2022, #59 in FY2023 and #59 in FY2025; down 12 since FY2023.
72	XP Services, Inc. Top agencies Navy (Department of the Navy)	$245,060	<0.1%	Rank history: #41 in FY2021, not on the FY2022 list, #62 in FY2023 and not on the FY2025 list; down 10 since FY2023.
73	Survival Systems USA Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$240,356	<0.1%	Rank history: #91 in FY2021, #59 in FY2022, #71 in FY2023 and #52 in FY2025; down 2 since FY2023.
74	Miltrain JV II LLC Top agencies USAF (Department of the Air Force)	$240,016	<0.1%	Rank history: not on the FY2021–FY2023 lists and #34 in FY2025; new.
75	Bugeye Technologies, Inc. Top agencies USAF (Department of the Air Force)	$225,489	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
76	Cobalt Air, LLC Top agencies DOJ (Department of Justice)	$204,754	<0.1%	Rank history: not on the FY2021–FY2023 lists and #56 in FY2025; new.
77	Army Aviation Heritage Foundation and Flying Museum, Inc. Top agencies Navy (Department of the Navy)	$195,312	<0.1%	Rank history: #66 in FY2021, #75 in FY2022, #78 in FY2023 and #66 in FY2025; up 1 since FY2023.
78	ACE Maker Aviation LLC Top agencies Navy (Department of the Navy)	$190,542	<0.1%	Rank history: #73 in FY2021, #68 in FY2022, #68 in FY2023 and #75 in FY2025; down 10 since FY2023.
79	Airbus Americas Customer Services, Inc. Top agencies DOT (Department of Transportation)	$190,538	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
80	Pioneer Technologies Corporation Through Valkyrie Aero, LLC Top agencies USAF (Department of the Air Force)	$175,588	<0.1%	Rank history: not on the FY2021–FY2022 lists, #45 in FY2023 and not on the FY2025 list; down 35 since FY2023.
81	Commemorative Air Force Top agencies USAF (Department of the Air Force)	$173,060	<0.1%	Rank history: #70 in FY2021, not on the FY2022 list, #90 in FY2023 and not on the FY2025 list; up 9 since FY2023.
82	RAG Wings & Radials Aircraft Leasing LLC Top agencies Navy (Department of the Navy)	$150,217	<0.1%	Rank history: not on the FY2021–FY2022 lists, #82 in FY2023 and #77 in FY2025; unchanged since FY2023.
83	Atlas Air Worldwide Holdings Inc. Through Atlas Air, Inc. Top agencies USAF (Department of the Air Force)	$150,084	<0.1%	Rank history: #53 in FY2021, #53 in FY2022, #94 in FY2023 and not on the FY2025 list; up 11 since FY2023.
84	D2 Government Solutions, Inc. Top agencies USAF (Department of the Air Force) USSOCOM (United States Special Operations Command)	$139,596	<0.1%	Rank history: #83 in FY2021, #87 in FY2022, #80 in FY2023 and not on the FY2025 list; down 4 since FY2023.
85	Metro Accounting & Professional Services, LLC Through Saguaro Business Solutions LLC Top agencies USAF (Department of the Air Force)	$139,525	<0.1%	Rank history: #29 in FY2021, #12 in FY2022, #17 in FY2023 and not on the FY2025 list; down 68 since FY2023.
86	TRU Simulation + Training Inc. Top agencies DOJ (Department of Justice)	$126,316	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
87	ITA Services LLC Top agencies Navy (Department of the Navy)	$125,284	<0.1%	Rank history: not on the FY2021–FY2022 lists, #83 in FY2023 and #81 in FY2025; down 4 since FY2023.
88	Erickson Incorporated 2 awardees Top agencies DOT (Department of Transportation)	$124,894	<0.1%	Rank history: not on the FY2021 list, #67 in FY2022, #99 in FY2023 and #76 in FY2025; up 11 since FY2023.
89	Uhi, Inc. Top agencies USAF (Department of the Air Force)	$95,144	<0.1%	Rank history: not on the FY2021 list, #72 in FY2022, #79 in FY2023 and not on the FY2025 list; down 10 since FY2023.
90	Intrinsic Enterprises Inc. Top agencies USAF (Department of the Air Force)	$92,390	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
91	Corporacion De La Industria Aeronautica Colombiana S.A. Top agencies DOS (Department of State)	$92,194	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
92	Skylark North Top agencies USAF (Department of the Air Force)	$91,253	<0.1%	Rank history: #87 in FY2021, #98 in FY2022, #86 in FY2023 and not on the FY2025 list; down 6 since FY2023.
93	Kratos Defense & Security Solutions, Inc. Through Kratos Technology & Training Solutions, Inc. Top agencies USAF (Department of the Air Force)	$90,000	<0.1%	Rank history: not on the FY2021–FY2022 lists, #65 in FY2023 and not on the FY2025 list; down 28 since FY2023.
94	UAT LLC Top agencies DOT (Department of Transportation)	$84,848	<0.1%	Rank history: not on the FY2021 list, #89 in FY2022, #85 in FY2023 and #100 in FY2025; down 9 since FY2023.
95	Leonardo S.p.A. Through Leonardo Helicopters US Corporation Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$84,620	<0.1%	Rank history: not on the FY2021–FY2022 lists, #74 in FY2023 and not on the FY2025 list; down 21 since FY2023.
96	Airbus Canada Limited Partnership Top agencies DOT (Department of Transportation)	$78,413	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
97	Pan Am International Flight Academy Inc. Through Pan Am Flight Academy, LLC Top agencies DOJ (Department of Justice) DOT (Department of Transportation)	$77,510	<0.1%	Rank history: #96 in FY2021, #79 in FY2022, #91 in FY2023 and not on the FY2025 list; down 6 since FY2023.
98	Dillon Aero Inc. Top agencies Navy (Department of the Navy)	$75,300	<0.1%	Rank history: not on the FY2021–FY2023 lists and #94 in FY2025; up 4 since FY2023.
99	Aircare International Ltd. Top agencies DOJ (Department of Justice)	$72,500	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
100	Sofis-Trg LLC Top agencies USAF (Department of the Air Force)	$70,308	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.

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100 of 155 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 $908 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 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 NAICS 611512 contractors in FY2024?

1. Amentum Services, Inc. ($90.5M), 2. Textron Inc. ($59.8M), 3. Tactical Air Support, Inc. ($51.5M), 4. CAE USA Inc. ($50.3M), 5. Top Aces Corp. ($49.9M), 6. CAE Inc. ($37.4M), 7. Berkshire Hathaway Inc. ($30.1M), 8. PAL Aero Services Ltd ($25.4M), 9. L3Harris Technologies, Inc. ($24.9M), 10. Resicum International LLC ($22.1M).

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