Top 100 Contractors in NAICS 48121: Nonscheduled Air Transportation, FY2021

Name: Top 100 Contractors in NAICS 48121: Nonscheduled Air Transportation, FY2021
Creator: GovTribe

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

The top 10 won 69% of FY2021 NAICS 48121 contract dollars

Contract obligations: $3,899,698,909 Net of deobligations, by contracts coded NAICS 48121 or a code under it
Contractors: 325 Parent companies with an obligation
Largest contractor: United Launch Alliance, L.L.C. $633 million, 15.1% 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	United Launch Alliance, L.L.C. Through United Launch Services, LLC Top agencies USAF (Department of the Air Force)	$632,893,090	15.1%	Rank history: #1 in FY2022, #1 in FY2023, #2 in FY2024 and #3 in FY2025; unchanged since FY2020.
2	Patriot Team Top agencies USAF (Department of the Air Force)	$582,436,106	13.9%	Rank history: #2 in FY2022, #2 in FY2023, #3 in FY2024 and not on the FY2025 list; unchanged since FY2020.
3	Fedex Corp 2 awardees, including Federal Express Corporation Top agencies USAF (Department of the Air Force)	$546,047,882	13.0%	Rank history: #4 in FY2022, #3 in FY2023, #4 in FY2024 and #58 in FY2025; up 5 since FY2020.
4	Space Exploration Technologies Corp. Top agencies USAF (Department of the Air Force) SDA (Space Development Agency) OSD (Office of the Secretary of Defense)	$518,817,372	12.4%	Rank history: #3 in FY2022, #4 in FY2023, #1 in FY2024 and #1 in FY2025; up 1 since FY2020.
5	National Air Cargo, Inc. Through National Air Cargo Group, Inc. Top agencies USAF (Department of the Air Force)	$127,595,283	3.0%	Rank history: #5 in FY2022, #5 in FY2023, #5 in FY2024 and not on the FY2025 list; up 14 since FY2020.
6	Phoenix Air Group, Inc. Top agencies DOS (Department of State) Navy (Department of the Navy) USAF (Department of the Air Force)	$112,167,408	2.7%	Rank history: #13 in FY2022, #10 in FY2023, #10 in FY2024 and #15 in FY2025; unchanged since FY2020.
7	Classic Air Charter Inc. Top agencies DHS (Department of Homeland Security)	$105,307,635	2.5%	Rank history: #6 in FY2022, #6 in FY2023 and not on the FY2024–FY2025 lists; up 2 since FY2020.
8	Astrobotic Technology Inc. Top agencies NASA (National Aeronautics and Space Administration)	$95,051,201	2.3%	Rank history: #8 in FY2022, #12 in FY2023 and not on the FY2024–FY2025 lists; up 4 since FY2020.
9	Berry Aviation Inc. 2 awardees Top agencies Army (Department of the Army) Navy (Department of the Navy)	$80,058,672	1.9%	Rank history: #36 in FY2022, #35 in FY2023 and not on the FY2024–FY2025 lists; up 5 since FY2020.
10	Construction Helicopters, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force) USSOCOM (United States Special Operations Command)	$73,944,089	1.8%	Rank history: #82 in FY2022, not on the FY2023 list, #54 in FY2024 and #45 in FY2025; up 1 since FY2020.
11	Intuitive Machines, LLC Top agencies NASA (National Aeronautics and Space Administration)	$64,833,250	1.5%	Rank history: #11 in FY2022, #14 in FY2023, #7 in FY2024 and not on the FY2025 list; up 6 since FY2020.
12	Noosphere Venture Partners LP 2 awardees, including Firefly Aerospace Inc. and Firefly Space Transport Services, LLC Top agencies NASA (National Aeronautics and Space Administration)	$58,719,251	1.4%	Rank history: #14 in FY2022, #8 in FY2023 and not on the FY2024–FY2025 lists; up 219 since FY2020.
13	Delta Air Lines, Inc. Top agencies USAF (Department of the Air Force)	$50,623,185	1.2%	Rank history: #30 in FY2022, not on the FY2023 list, #68 in FY2024 and #47 in FY2025; unchanged since FY2020.
14	Aero-Flite, Inc. Top agencies USDA (Department of Agriculture)	$42,813,088	1.0%	Rank history: #9 in FY2022, #11 in FY2023, #8 in FY2024 and #9 in FY2025; up 13 since FY2020.
15	Air Transport International Inc. Top agencies USAF (Department of the Air Force)	$40,531,415	1.0%	Rank history: not on the FY2022–FY2025 lists; unchanged since FY2020.
16	Masten Space Systems Inc. Top agencies NASA (National Aeronautics and Space Administration)	$37,584,301	0.9%	Rank history: not on the FY2022–FY2025 lists; up 9 since FY2020.
17	Air Center Helicopters, Inc. Top agencies Navy (Department of the Navy) NSF (National Science Foundation) DOT (Department of Transportation)	$35,097,432	0.8%	Rank history: #10 in FY2022, #9 in FY2023, #11 in FY2024 and #25 in FY2025; up 7 since FY2020.
18	Northrop Grumman Corporation Through Orbital Sciences LLC Top agencies USAF (Department of the Air Force)	$35,011,998	0.8%	Rank history: #20 in FY2022, #33 in FY2023, #19 in FY2024 and #85 in FY2025; unchanged since FY2020.
19	Columbia Helicopters, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$31,908,056	0.8%	Rank history: not on the FY2022 list, #31 in FY2023, #20 in FY2024 and #36 in FY2025; down 15 since FY2020.
20	ERA Helicopters LLC Through Bristow LLC Top agencies DOI (Department of the Interior) DOT (Department of Transportation)	$31,841,197	0.8%	Rank history: #25 in FY2022, #20 in FY2023 and not on the FY2024–FY2025 lists; up 2 since FY2020.
21	Strategic Airborne Operations JV, LLC Top agencies Navy (Department of the Navy)	$28,448,505	0.7%	Rank history: #32 in FY2022, #25 in FY2023, #58 in FY2024 and not on the FY2025 list; up 16 since FY2020.
22	Minnesota Aviation, LLC Through Sun Country, Inc. Top agencies USAF (Department of the Air Force)	$23,723,119	0.6%	Rank history: #50 in FY2022, #34 in FY2023, #95 in FY2024 and not on the FY2025 list; up 6 since FY2020.
23	Erickson Incorporated 2 awardees, including Erickson Helicopters, Inc. Top agencies Navy (Department of the Navy) USSOCOM (United States Special Operations Command)	$23,664,772	0.6%	Rank history: #27 in FY2022, #18 in FY2023, #91 in FY2024 and not on the FY2025 list; down 2 since FY2020.
24	Southwest Airlines Co. Top agencies USAF (Department of the Air Force)	$21,740,857	0.5%	Rank history: #66 in FY2022, #59 in FY2023 and not on the FY2024–FY2025 lists; up 25 since FY2020.
25	Bridger Air Tanker LLC Top agencies USDA (Department of Agriculture)	$21,306,840	0.5%	Rank history: #18 in FY2022, #16 in FY2023, #12 in FY2024 and #14 in FY2025; new, not ranked in FY2020.
26	Lynden Inc. Through Lynden Air Cargo, LLC Top agencies USAF (Department of the Air Force) Commerce (Department of Commerce)	$20,289,606	0.5%	Rank history: #16 in FY2022, #58 in FY2023, #61 in FY2024 and #67 in FY2025; up 83 since FY2020.
27	Aero Air, LLC Top agencies USDA (Department of Agriculture)	$16,132,159	0.4%	Rank history: #26 in FY2022, #24 in FY2023, #13 in FY2024 and #17 in FY2025; up 14 since FY2020.
28	United Continental Holdings Inc. Through United Airlines, Inc. Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security)	$15,804,539	0.4%	Rank history: #81 in FY2022 and not on the FY2023–FY2025 lists; up 22 since FY2020.
29	Federal Express Corporation Top agencies USAF (Department of the Air Force)	$14,721,746	0.4%	Rank history: not on the FY2022–FY2025 lists; down 26 since FY2020.
30	Aircraft Transport Services, Inc. Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice)	$14,125,453	0.3%	Rank history: #57 in FY2022, #45 in FY2023, #77 in FY2024 and #44 in FY2025; up 8 since FY2020.
31	Canadian Commercial Corporation Top agencies USAF (Department of the Air Force)	$12,934,256	0.3%	Rank history: not on the FY2022–FY2024 lists and #33 in FY2025; up 28 since FY2020.
32	Erickson Helicopters, Inc. Top agencies Navy (Department of the Navy)	$12,738,583	0.3%	Rank history: not on the FY2022–FY2025 lists; up 10 since FY2020.
33	Tactical Air Support, Inc. Top agencies Navy (Department of the Navy)	$11,344,976	0.3%	Rank history: #33 in FY2022, #57 in FY2023 and not on the FY2024–FY2025 lists; up 18 since FY2020.
34	Astra Space Operations, LLC Top agencies NASA (National Aeronautics and Space Administration) USAF (Department of the Air Force)	$11,211,000	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
35	Helicopter Express LLC Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$10,920,124	0.3%	Rank history: #24 in FY2022, #17 in FY2023, #9 in FY2024 and #11 in FY2025; down 1 since FY2020.
36	Vertical De Aviacion U.s.a., Inc. Top agencies DOS (Department of State)	$10,867,912	0.3%	Rank history: #43 in FY2022 and not on the FY2023–FY2025 lists; down 7 since FY2020.
37	Allegiant Travel Company Through Allegiant Air LLC Top agencies USAF (Department of the Air Force)	$10,734,702	0.3%	Rank history: #41 in FY2022, #43 in FY2023, #42 in FY2024 and #51 in FY2025; down 2 since FY2020.
38	General Atomic Technologies Corporation Through General Atomics Top agencies USAF (Department of the Air Force)	$10,676,592	0.3%	Rank history: not on the FY2022–FY2025 lists; down 7 since FY2020.
39	Neptune Aviation Services, Inc. Top agencies USDA (Department of Agriculture)	$10,443,732	0.2%	Rank history: #17 in FY2022, #13 in FY2023, #14 in FY2024 and #16 in FY2025; down 9 since FY2020.
40	Vertex Aerospace LLC Through V2X Aerospace LLC Top agencies Navy (Department of the Navy)	$9,957,026	0.2%	Rank history: not on the FY2022–FY2025 lists; down 8 since FY2020.
41	Bighorn Airways Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$9,950,804	0.2%	Rank history: #39 in FY2022, #44 in FY2023, #37 in FY2024 and #31 in FY2025; up 13 since FY2020.
42	Sierra Pacific Airlines, Inc. Top agencies USAF (Department of the Air Force) USDA (Department of Agriculture)	$9,896,601	0.2%	Rank history: #34 in FY2022, #42 in FY2023, #45 in FY2024 and #43 in FY2025; up 3 since FY2020.
43	Airborne Tactical Advantage Co LLC Top agencies Navy (Department of the Navy)	$9,852,380	0.2%	Rank history: not on the FY2022–FY2025 lists; down 27 since FY2020.
44	Eastern Airlines LLC Top agencies USAF (Department of the Air Force)	$8,460,807	0.2%	Rank history: #22 in FY2022, #15 in FY2023, #26 in FY2024 and #20 in FY2025; up 44 since FY2020.
45	Tenax Aerospace LLC Top agencies DOJ (Department of Justice) USDA (Department of Agriculture)	$8,295,526	0.2%	Rank history: not on the FY2022–FY2025 lists; up 34 since FY2020.
46	The GEO Group, Inc. Through GEO Transport, Inc. Top agencies DHS (Department of Homeland Security)	$7,879,480	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
47	Rampart Aviation, Llc. Top agencies Navy (Department of the Navy) USSOCOM (United States Special Operations Command) Army (Department of the Army)	$7,262,658	0.2%	Rank history: #42 in FY2022, #38 in FY2023, #38 in FY2024 and #40 in FY2025; up 11 since FY2020.
48	Dynamic Aviation Group, Inc. Top agencies USDA (Department of Agriculture)	$6,836,789	0.2%	Rank history: #49 in FY2022, #61 in FY2023, #60 in FY2024 and #46 in FY2025; up 8 since FY2020.
49	Coulson Aviation (Usa), Inc. Top agencies USDA (Department of Agriculture)	$6,741,720	0.2%	Rank history: #28 in FY2022, #28 in FY2023, #17 in FY2024 and #21 in FY2025; up 13 since FY2020.
50	Helistar SAS Top agencies DOS (Department of State)	$6,433,489	0.2%	Rank history: #98 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
51	Air Greenland A/S Top agencies USAF (Department of the Air Force)	$6,264,163	0.1%	Rank history: #67 in FY2022, #64 in FY2023, #62 in FY2024 and not on the FY2025 list; up 12 since FY2020.
52	Wheels Up Partners LLC 2 awardees Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$6,058,622	0.1%	Rank history: #78 in FY2022, #69 in FY2023, #69 in FY2024 and #75 in FY2025; up 19 since FY2020.
53	Southeast Stevedoring Corp 2 awardees, including Temsco Helicopters Inc. and Coastal Helicopters, Inc. Top agencies DOI (Department of the Interior) DOT (Department of Transportation) USDA (Department of Agriculture)	$5,982,425	0.1%	Rank history: #60 in FY2022, #56 in FY2023 and not on the FY2024–FY2025 lists; up 19 since FY2020.
54	Heliqwest International Inc. Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$5,939,007	0.1%	Rank history: #38 in FY2022, #75 in FY2023, #53 in FY2024 and #53 in FY2025; down 14 since FY2020.
55	Space Systems/Loral LLC Through Lanteris Space LLC Top agencies USAF (Department of the Air Force)	$5,885,887	0.1%	Rank history: #40 in FY2022 and not on the FY2023–FY2025 lists; down 32 since FY2020.
56	Air Transport Services Group Inc. Through Omni Air International, LLC Top agencies USAF (Department of the Air Force)	$5,584,650	0.1%	Rank history: #45 in FY2022 and not on the FY2023–FY2025 lists; down 13 since FY2020.
57	Spur Aviation Services, LC Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$5,313,966	0.1%	Rank history: #48 in FY2022, #47 in FY2023, #55 in FY2024 and #48 in FY2025; down 5 since FY2020.
58	Croman Corp Top agencies Navy (Department of the Navy) DOI (Department of the Interior)	$5,074,828	0.1%	Rank history: #29 in FY2022, #26 in FY2023, #24 in FY2024 and #27 in FY2025; up 10 since FY2020.
59	10 Tanker Air Carrier, LLC Top agencies USDA (Department of Agriculture)	$5,065,621	0.1%	Rank history: #21 in FY2022, #23 in FY2023, #15 in FY2024 and #19 in FY2025; down 20 since FY2020.
60	Brainerd Helicopters, Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$4,730,850	0.1%	Rank history: #37 in FY2022, #32 in FY2023, #36 in FY2024 and #37 in FY2025; down 13 since FY2020.
61	Aspen Helicopters Inc. Top agencies Navy (Department of the Navy) DOI (Department of the Interior) Commerce (Department of Commerce)	$4,621,218	0.1%	Rank history: #71 in FY2022, #66 in FY2023, #84 in FY2024 and #89 in FY2025; up 14 since FY2020.
62	Blue Origin LLC Through Blue Origin Texas, LLC Top agencies NASA (National Aeronautics and Space Administration)	$4,580,002	0.1%	Rank history: not on the FY2022 list, #39 in FY2023, #23 in FY2024 and #12 in FY2025; up 28 since FY2020.
63	Northern Vietnam Helicopter Co. Ltd. Top agencies WHS (DOD Washington Headquarters Service) Navy (Department of the Navy)	$4,305,537	0.1%	Rank history: not on the FY2022–FY2025 lists; up 15 since FY2020.
64	Papillon Airways, Inc. Top agencies DOI (Department of the Interior)	$4,287,334	0.1%	Rank history: #69 in FY2022, #77 in FY2023 and not on the FY2024–FY2025 lists; down 4 since FY2020.
65	P.j. Helicopters, Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$4,273,630	0.1%	Rank history: not on the FY2022–FY2023 lists, #40 in FY2024 and #62 in FY2025; down 12 since FY2020.
66	Aero Spray Inc. Top agencies DOI (Department of the Interior)	$4,082,453	0.1%	Rank history: not on the FY2022–FY2025 lists; up 25 since FY2020.
67	Kenn Borek Air Ltd Top agencies NSF (National Science Foundation)	$3,781,740	0.1%	Rank history: #74 in FY2022, #78 in FY2023 and not on the FY2024–FY2025 lists; up 7 since FY2020.
68	Reeder Flying Service, Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$3,516,995	0.1%	Rank history: #59 in FY2022 and not on the FY2023–FY2025 lists; up 13 since FY2020.
69	Kalitta Air LLC Through Kalitta Charters, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DOJ (Department of Justice)	$3,464,996	0.1%	Rank history: #97 in FY2022, #99 in FY2023, #72 in FY2024 and #5 in FY2025; up 121 since FY2020.
70	UEI YJL4YS8YMWV7 Top agencies NASA (National Aeronautics and Space Administration)	$3,413,945	0.1%	Rank history: not on the FY2022 list, #65 in FY2023, not on the FY2024 list and #65 in FY2025; down 60 since FY2020.
71	Inflight Medical Services International, Inc. Top agencies DOJ (Department of Justice)	$3,329,147	0.1%	Rank history: #92 in FY2022, #89 in FY2023, #96 in FY2024 and not on the FY2025 list; up 14 since FY2020.
72	Hillsboro Aviation, Inc. Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$3,289,250	0.1%	Rank history: #44 in FY2022, #41 in FY2023 and not on the FY2024–FY2025 lists; down 26 since FY2020.
73	Hawaiian Holdings Inc Through Hawaiian Airlines, Inc. Top agencies USAF (Department of the Air Force)	$3,254,500	0.1%	Rank history: #58 in FY2022 and not on the FY2023–FY2025 lists; up 229 since FY2020.
74	Tatonduk Outfitters Limited Top agencies USAF (Department of the Air Force)	$3,191,991	0.1%	Rank history: #73 in FY2022, #83 in FY2023, #76 in FY2024 and #76 in FY2025; down 8 since FY2020.
75	Suburban Air Express, Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$3,098,830	0.1%	Rank history: #91 in FY2022 and not on the FY2023–FY2025 lists; up 26 since FY2020.
76	Hillcrest Aircraft Company Top agencies USDA (Department of Agriculture) DOI (Department of the Interior) Army (Department of the Army)	$2,944,976	0.1%	Rank history: #52 in FY2022, #53 in FY2023, #82 in FY2024 and #78 in FY2025; down 21 since FY2020.
77	South Coast Helicopters, LLC Top agencies DOI (Department of the Interior)	$2,926,063	0.1%	Rank history: not on the FY2022–FY2025 lists; up 34 since FY2020.
78	Pathfinder Aviation LLC Top agencies DOI (Department of the Interior) Commerce (Department of Commerce)	$2,853,295	0.1%	Rank history: #84 in FY2022, #93 in FY2023 and not on the FY2024–FY2025 lists; up 62 since FY2020.
79	Swift Air L.L.C. Top agencies USAF (Department of the Air Force)	$2,806,170	0.1%	Rank history: #47 in FY2022, #72 in FY2023 and not on the FY2024–FY2025 lists; up 222 since FY2020.
80	Ponderosa Aviation Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture) DOJ (Department of Justice)	$2,764,836	0.1%	Rank history: #46 in FY2022, #50 in FY2023, #52 in FY2024 and #77 in FY2025; down 16 since FY2020.
81	Marana Tactical Flight LLC Top agencies USSOCOM (United States Special Operations Command)	$2,764,090	0.1%	Rank history: not on the FY2022–FY2025 lists; up 46 since FY2020.
82	Mountain Blade Runner LLC Top agencies DOI (Department of the Interior)	$2,684,067	0.1%	Rank history: #77 in FY2022, #63 in FY2023, #56 in FY2024 and #63 in FY2025; up 2 since FY2020.
83	Flightworks Inc. Top agencies DOJ (Department of Justice)	$2,676,181	0.1%	Rank history: #89 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
84	Eagle Helicopters, Inc. Top agencies DOI (Department of the Interior)	$2,640,350	0.1%	Rank history: not on the FY2022–FY2025 lists; up 12 since FY2020.
85	Government of Canada Through Canadian Commercial Corporation Top agencies USAF (Department of the Air Force)	$2,448,938	0.1%	Rank history: #35 in FY2022, #48 in FY2023, #35 in FY2024 and not on the FY2025 list; down 20 since FY2020.
86	Relativity Space, Inc. Top agencies NASA (National Aeronautics and Space Administration) USAF (Department of the Air Force)	$2,355,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
87	Up Aerospace Inc. Top agencies NASA (National Aeronautics and Space Administration)	$2,270,414	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
88	Capitol Helicopters, Inc. Top agencies DOI (Department of the Interior)	$2,258,213	0.1%	Rank history: #61 in FY2022, #52 in FY2023, #43 in FY2024 and #28 in FY2025; new, not ranked in FY2020.
89	Virgin Orbit National Systems, LLC Top agencies USAF (Department of the Air Force)	$2,249,791	0.1%	Rank history: not on the FY2022–FY2025 lists; down 69 since FY2020.
90	Air Resources Helicopters, Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$2,242,433	0.1%	Rank history: #86 in FY2022, #91 in FY2023, #48 in FY2024 and #49 in FY2025; up 29 since FY2020.
91	Maritime Helicopters, Inc. Top agencies DOI (Department of the Interior) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$2,159,859	0.1%	Rank history: not on the FY2022–FY2025 lists; up 11 since FY2020.
92	Oscar Deuce LLC Top agencies Navy (Department of the Navy)	$2,070,847	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 13 since FY2020.
93	Sycan Corp Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$2,026,285	<0.1%	Rank history: not on the FY2022–FY2023 lists, #93 in FY2024 and not on the FY2025 list; unchanged since FY2020.
94	National Air Cargo Group, Inc. Top agencies USAF (Department of the Air Force)	$2,017,742	<0.1%	Rank history: not on the FY2022–FY2023 lists, #6 in FY2024 and #6 in FY2025; down 68 since FY2020.
95	Guardian Helicopters Inc. Top agencies USDA (Department of Agriculture) DOI (Department of the Interior) Navy (Department of the Navy)	$1,710,193	<0.1%	Rank history: #87 in FY2022 and not on the FY2023–FY2025 lists; down 12 since FY2020.
96	Trans Aero LLC Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$1,696,981	<0.1%	Rank history: #65 in FY2022, #55 in FY2023, #47 in FY2024 and #55 in FY2025; up 2 since FY2020.
97	The Bionetics Corp Top agencies Army (Department of the Army)	$1,530,059	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 10 since FY2020.
98	Aevum Inc. Top agencies USAF (Department of the Air Force)	$1,518,581	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 134 since FY2020.
99	V2X, Inc. Through V2X Aerospace LLC Top agencies Navy (Department of the Navy)	$1,438,188	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 13 since FY2020.
100	Swanson Group Inc. Through Swanson Group Aviation, LLC Top agencies DOI (Department of the Interior)	$1,404,018	<0.1%	Rank history: #76 in FY2022 and not on the FY2023–FY2025 lists; up 110 since FY2020.

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100 of 325 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 48121

Code	Net obligations	Largest contractor
481211 Nonscheduled Chartered Passenger Air Transportation	$2,010,947,687	Patriot Team
481212 Nonscheduled Chartered Freight Air Transportation	$1,694,515,890	United Launch Alliance, L.L.C.
481219 Other Nonscheduled Air Transportation	$194,235,333	Classic Air Charter Inc.

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 $4.19 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 NAICS 48121 contractors in FY2021?

1. United Launch Alliance, L.L.C. ($633M), 2. Patriot Team ($582M), 3. Fedex Corp ($546M), 4. Space Exploration Technologies Corp. ($519M), 5. National Air Cargo, Inc. ($128M), 6. Phoenix Air Group, Inc. ($112M), 7. Classic Air Charter Inc. ($105M), 8. Astrobotic Technology Inc. ($95.1M), 9. Berry Aviation Inc. ($80.1M), 10. Construction Helicopters, LLC ($73.9M).

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