Top 100 Contractors in NAICS 481: Air Transportation, FY2021

Name: Top 100 Contractors in NAICS 481: 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 67% of FY2021 NAICS 481 contract dollars

Contract obligations: $4,072,654,916 Net of deobligations, by contracts coded NAICS 481 or a code under it
Contractors: 358 Parent companies with an obligation
Largest contractor: United Launch Alliance, L.L.C. $633 million, 14.5% 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	14.5%	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	13.3%	Rank history: #2 in FY2022, #2 in FY2023, #3 in FY2024 and not on the FY2025 list; unchanged since FY2020.
3	Fedex Corp 3 awardees, including Federal Express Corporation Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense) USTRANSCOM (Department of Defense United States Transportation Command)	$552,631,003	12.6%	Rank history: #4 in FY2022, #3 in FY2023, #4 in FY2024 and #60 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	11.9%	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) OSD (Office of the Secretary of Defense)	$156,761,181	3.6%	Rank history: #5 in FY2022, #5 in FY2023, #5 in FY2024 and not on the FY2025 list; up 12 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	2.6%	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	2.4%	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	2.2%	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	1.8%	Rank history: #39 in FY2022, #37 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	1.7%	Rank history: #87 in FY2022, not on the FY2023 list, #62 in FY2024 and #46 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 7 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	1.3%	Rank history: #14 in FY2022, #8 in FY2023 and not on the FY2024–FY2025 lists; up 246 since FY2020.
13	Delta Air Lines, Inc. Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense) DOJ (Department of Justice)	$55,111,606	1.3%	Rank history: #25 in FY2022, not on the FY2023 list, #49 in FY2024 and #32 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) OSD (Office of the Secretary of Defense)	$40,722,214	0.9%	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, #36 in FY2023, #19 in FY2024 and #89 in FY2025; up 1 since FY2020.
19	Columbia Helicopters, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$31,908,056	0.7%	Rank history: not on the FY2022 list, #34 in FY2023, #20 in FY2024 and #38 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	0.7%	Rank history: #26 in FY2022, #20 in FY2023 and not on the FY2024–FY2025 lists; up 2 since FY2020.
21	Minnesota Aviation, LLC Through Sun Country, Inc. Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$28,836,511	0.7%	Rank history: #54 in FY2022, #33 in FY2023 and not on the FY2024–FY2025 lists; up 7 since FY2020.
22	Strategic Airborne Operations JV, LLC Top agencies Navy (Department of the Navy)	$28,448,505	0.7%	Rank history: #33 in FY2022, #26 in FY2023, #66 in FY2024 and not on the FY2025 list; up 16 since FY2020.
23	Southwest Airlines Co. Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$25,856,635	0.6%	Rank history: #43 in FY2022, #61 in FY2023 and not on the FY2024–FY2025 lists; up 23 since FY2020.
24	AMR Corporation Through American Airlines, Inc. Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense) VA (Department of Veterans Affairs)	$25,000,703	0.6%	Rank history: not on the FY2022–FY2025 lists; up 23 since FY2020.
25	Erickson Incorporated 2 awardees, including Erickson Helicopters, Inc. Top agencies Navy (Department of the Navy) USSOCOM (United States Special Operations Command)	$23,664,772	0.5%	Rank history: #28 in FY2022, #18 in FY2023, #98 in FY2024 and not on the FY2025 list; down 4 since FY2020.
26	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.
27	Lynden Inc. Through Lynden Air Cargo, LLC Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense) Commerce (Department of Commerce)	$20,309,408	0.5%	Rank history: #16 in FY2022, #66 in FY2023, #61 in FY2024 and #67 in FY2025; up 99 since FY2020.
28	Western Global Airlines Inc. Top agencies OSD (Office of the Secretary of Defense) USAF (Department of the Air Force)	$20,000,361	0.5%	Rank history: #44 in FY2022, #92 in FY2023, not on the FY2024 list and #13 in FY2025; up 27 since FY2020.
29	Federal Express Corporation 2 awardees Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$17,272,876	0.4%	Rank history: not on the FY2022–FY2025 lists; down 26 since FY2020.
30	United Continental Holdings Inc. Through United Airlines, Inc. Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense) DHS (Department of Homeland Security)	$16,452,742	0.4%	Rank history: #85 in FY2022 and not on the FY2023–FY2025 lists; up 23 since FY2020.
31	Aero Air, LLC Top agencies USDA (Department of Agriculture)	$16,132,159	0.4%	Rank history: #27 in FY2022, #25 in FY2023, #13 in FY2024 and #17 in FY2025; up 12 since FY2020.
32	Atlas Air Worldwide Holdings Inc. 2 awardees, including Atlas Air, Inc. and Polar Air Cargo Worldwide, Inc. Top agencies OSD (Office of the Secretary of Defense) USAF (Department of the Air Force)	$15,593,585	0.4%	Rank history: #98 in FY2022, #63 in FY2023 and not on the FY2024–FY2025 lists; up 27 since FY2020.
33	Aircraft Transport Services, Inc. Top agencies DHS (Department of Homeland Security) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$15,222,663	0.3%	Rank history: #62 in FY2022, #47 in FY2023, #83 in FY2024 and #45 in FY2025; up 6 since FY2020.
34	United Parcel Service Inc. 3 awardees Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense) USDA (Department of Agriculture)	$14,447,519	0.3%	Rank history: #70 in FY2022, not on the FY2023–FY2024 lists and #80 in FY2025; down 2 since FY2020.
35	Hawaiian Holdings Inc Through Hawaiian Airlines, Inc. Top agencies OSD (Office of the Secretary of Defense) USAF (Department of the Air Force)	$14,203,610	0.3%	Rank history: #31 in FY2022, #23 in FY2023, #45 in FY2024 and #85 in FY2025; up 69 since FY2020.
36	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 #35 in FY2025; up 29 since FY2020.
37	Erickson Helicopters, Inc. Top agencies Navy (Department of the Navy)	$12,738,583	0.3%	Rank history: not on the FY2022–FY2025 lists; up 7 since FY2020.
38	Tactical Air Support, Inc. Top agencies Navy (Department of the Navy)	$11,344,976	0.3%	Rank history: #35 in FY2022, #64 in FY2023 and not on the FY2024–FY2025 lists; up 16 since FY2020.
39	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.
40	Helicopter Express LLC Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$10,920,124	0.2%	Rank history: #24 in FY2022, #17 in FY2023, #9 in FY2024 and #11 in FY2025; down 5 since FY2020.
41	Vertical De Aviacion U.s.a., Inc. Top agencies DOS (Department of State)	$10,867,912	0.2%	Rank history: #48 in FY2022 and not on the FY2023–FY2025 lists; down 12 since FY2020.
42	Allegiant Travel Company Through Allegiant Air LLC Top agencies USAF (Department of the Air Force)	$10,734,702	0.2%	Rank history: #46 in FY2022, #45 in FY2023 and not on the FY2024–FY2025 lists; down 6 since FY2020.
43	General Atomic Technologies Corporation Through General Atomics Top agencies USAF (Department of the Air Force)	$10,676,592	0.2%	Rank history: not on the FY2022–FY2025 lists; down 12 since FY2020.
44	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 14 since FY2020.
45	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 12 since FY2020.
46	Bighorn Airways Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$9,950,804	0.2%	Rank history: #42 in FY2022, #46 in FY2023, #41 in FY2024 and #31 in FY2025; up 14 since FY2020.
47	Sierra Pacific Airlines, Inc. Top agencies USAF (Department of the Air Force) USDA (Department of Agriculture)	$9,896,601	0.2%	Rank history: #36 in FY2022, #44 in FY2023, #48 in FY2024 and #44 in FY2025; up 2 since FY2020.
48	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 32 since FY2020.
49	Eastern Airlines LLC Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$9,215,687	0.2%	Rank history: #22 in FY2022, #15 in FY2023, #23 in FY2024 and #19 in FY2025; up 50 since FY2020.
50	Air Transport Services Group Inc. 2 awardees, including Omni Air International, LLC and ABX Air, Inc. Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$8,934,839	0.2%	Rank history: #37 in FY2022 and not on the FY2023–FY2025 lists; down 5 since FY2020.
51	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 36 since FY2020.
52	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.
53	SAP America Inc Through Concur Technologies, Inc. Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services) USDA (Department of Agriculture)	$7,336,478	0.2%	Rank history: #55 in FY2022, #53 in FY2023 and not on the FY2024–FY2025 lists; up 4 since FY2020.
54	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: #47 in FY2022, #40 in FY2023, #42 in FY2024 and #41 in FY2025; up 10 since FY2020.
55	Dynamic Aviation Group, Inc. Top agencies USDA (Department of Agriculture)	$6,836,789	0.2%	Rank history: #53 in FY2022, #68 in FY2023, #68 in FY2024 and #47 in FY2025; up 7 since FY2020.
56	Coulson Aviation (Usa), Inc. Top agencies USDA (Department of Agriculture)	$6,741,720	0.2%	Rank history: #29 in FY2022, #30 in FY2023, #16 in FY2024 and #21 in FY2025; up 13 since FY2020.
57	Amerijet Holdings Inc. Through Amerijet International Inc. Top agencies OSD (Office of the Secretary of Defense)	$6,479,528	0.1%	Rank history: #34 in FY2022, #29 in FY2023 and not on the FY2024–FY2025 lists; up 66 since FY2020.
58	Helistar SAS Top agencies DOS (Department of State)	$6,433,489	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
59	Air Greenland A/S Top agencies USAF (Department of the Air Force)	$6,264,163	0.1%	Rank history: #72 in FY2022, #71 in FY2023, #70 in FY2024 and not on the FY2025 list; up 11 since FY2020.
60	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: #64 in FY2022, #62 in FY2023 and not on the FY2024–FY2025 lists; up 20 since FY2020.
61	Heliqwest International Inc. Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$5,939,007	0.1%	Rank history: #41 in FY2022, #83 in FY2023, #60 in FY2024 and #55 in FY2025; down 19 since FY2020.
62	Space Systems/Loral LLC Through Lanteris Space LLC Top agencies USAF (Department of the Air Force)	$5,885,887	0.1%	Rank history: #45 in FY2022 and not on the FY2023–FY2025 lists; down 39 since FY2020.
63	CW Government Travel Inc. Top agencies DHS (Department of Homeland Security) DOS (Department of State) DOJ (Department of Justice)	$5,340,004	0.1%	Rank history: #99 in FY2022, #76 in FY2023, #86 in FY2024 and not on the FY2025 list; up 11 since FY2020.
64	Spur Aviation Services, LC Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$5,313,966	0.1%	Rank history: #52 in FY2022, #49 in FY2023, #63 in FY2024 and #48 in FY2025; down 8 since FY2020.
65	Croman Corp Top agencies Navy (Department of the Navy) DOI (Department of the Interior)	$5,074,828	0.1%	Rank history: #30 in FY2022, #27 in FY2023, #25 in FY2024 and #27 in FY2025; up 11 since FY2020.
66	10 Tanker Air Carrier, LLC Top agencies USDA (Department of Agriculture)	$5,065,621	0.1%	Rank history: #21 in FY2022, #24 in FY2023 and not on the FY2024–FY2025 lists; down 26 since FY2020.
67	Wheels Up Partners LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$4,756,532	0.1%	Rank history: not on the FY2022 list, #78 in FY2023, #78 in FY2024 and #79 in FY2025; up 12 since FY2020.
68	Brainerd Helicopters, Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$4,730,850	0.1%	Rank history: #40 in FY2022, #35 in FY2023, #39 in FY2024 and #39 in FY2025; down 17 since FY2020.
69	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: #76 in FY2022, #74 in FY2023, #91 in FY2024 and #93 in FY2025; up 14 since FY2020.
70	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, #41 in FY2023, #24 in FY2024 and #12 in FY2025; up 31 since FY2020.
71	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.
72	Papillon Airways, Inc. Top agencies DOI (Department of the Interior)	$4,287,334	0.1%	Rank history: #74 in FY2022, #85 in FY2023 and not on the FY2024–FY2025 lists; down 6 since FY2020.
73	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, #44 in FY2024 and #64 in FY2025; down 15 since FY2020.
74	Alaska Air Group Inc Through Alaska Airlines, Inc. Top agencies OSD (Office of the Secretary of Defense) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$4,089,622	0.1%	Rank history: #68 in FY2022 and not on the FY2023–FY2025 lists; up 73 since FY2020.
75	Aero Spray Inc. Top agencies DOI (Department of the Interior)	$4,082,453	0.1%	Rank history: not on the FY2022–FY2025 lists; up 27 since FY2020.
76	Kenn Borek Air Ltd Top agencies NSF (National Science Foundation)	$3,781,740	0.1%	Rank history: #79 in FY2022, #86 in FY2023 and not on the FY2024–FY2025 lists; up 6 since FY2020.
77	Kalitta Air LLC 2 awardees, including Kalitta Charters, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) OSD (Office of the Secretary of Defense)	$3,612,010	0.1%	Rank history: #93 in FY2022, #65 in FY2023, #56 in FY2024 and #6 in FY2025; up 138 since FY2020.
78	Reeder Flying Service, Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$3,516,995	0.1%	Rank history: #63 in FY2022 and not on the FY2023–FY2025 lists; up 12 since FY2020.
79	Inflight Medical Services International, Inc. Top agencies DOJ (Department of Justice)	$3,425,115	0.1%	Rank history: #90 in FY2022, #96 in FY2023, #99 in FY2024 and not on the FY2025 list; up 15 since FY2020.
80	UEI YJL4YS8YMWV7 Top agencies NASA (National Aeronautics and Space Administration)	$3,413,945	0.1%	Rank history: not on the FY2022 list, #73 in FY2023, not on the FY2024 list and #68 in FY2025; down 70 since FY2020.
81	Tatonduk Outfitters Limited Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$3,337,550	0.1%	Rank history: #77 in FY2022, #72 in FY2023, #71 in FY2024 and #72 in FY2025; down 8 since FY2020.
82	Hillsboro Aviation, Inc. Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$3,289,250	0.1%	Rank history: #49 in FY2022, #43 in FY2023 and not on the FY2024–FY2025 lists; down 32 since FY2020.
83	Suburban Air Express, Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$3,098,830	0.1%	Rank history: #100 in FY2022 and not on the FY2023–FY2025 lists; up 31 since FY2020.
84	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: #57 in FY2022, #56 in FY2023, #89 in FY2024 and #82 in FY2025; down 23 since FY2020.
85	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 44 since FY2020.
86	Pathfinder Aviation LLC Top agencies DOI (Department of the Interior) Commerce (Department of Commerce)	$2,853,295	0.1%	Rank history: #89 in FY2022, #100 in FY2023 and not on the FY2024–FY2025 lists; up 74 since FY2020.
87	Swift Air L.L.C. Top agencies USAF (Department of the Air Force)	$2,806,170	0.1%	Rank history: #51 in FY2022, #77 in FY2023, not on the FY2024 list and #70 in FY2025; up 249 since FY2020.
88	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: #50 in FY2022, #52 in FY2023, #59 in FY2024 and #81 in FY2025; down 17 since FY2020.
89	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 57 since FY2020.
90	Mountain Blade Runner LLC Top agencies DOI (Department of the Interior)	$2,684,067	0.1%	Rank history: #82 in FY2022, #70 in FY2023, #64 in FY2024 and #65 in FY2025; up 5 since FY2020.
91	Flightworks Inc. Top agencies DOJ (Department of Justice)	$2,676,181	0.1%	Rank history: #96 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
92	Eagle Helicopters, Inc. Top agencies DOI (Department of the Interior)	$2,640,350	0.1%	Rank history: not on the FY2022–FY2025 lists; up 16 since FY2020.
93	Government of Canada Through Canadian Commercial Corporation Top agencies USAF (Department of the Air Force)	$2,448,938	0.1%	Rank history: #38 in FY2022, #50 in FY2023, #38 in FY2024 and not on the FY2025 list; down 21 since FY2020.
94	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.
95	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.
96	Capitol Helicopters, Inc. Top agencies DOI (Department of the Interior)	$2,258,213	0.1%	Rank history: #65 in FY2022, #55 in FY2023, #46 in FY2024 and #28 in FY2025; new, not ranked in FY2020.
97	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 77 since FY2020.
98	Air Resources Helicopters, Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$2,242,433	0.1%	Rank history: #92 in FY2022, #98 in FY2023, #52 in FY2024 and #49 in FY2025; up 39 since FY2020.
99	National Air Cargo Group, Inc. Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$2,215,332	0.1%	Rank history: not on the FY2022–FY2023 lists, #6 in FY2024 and #5 in FY2025; down 73 since FY2020.
100	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 16 since FY2020.

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100 of 358 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 481

Code	Net obligations	Largest contractor
4812 Nonscheduled Air Transportation	$3,899,698,909	United Launch Alliance, L.L.C.
4811 Scheduled Air Transportation	$172,956,006	National Air Cargo, 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 $4.37 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 481 contractors in FY2021?

1. United Launch Alliance, L.L.C. ($633M), 2. Patriot Team ($582M), 3. Fedex Corp ($553M), 4. Space Exploration Technologies Corp. ($519M), 5. National Air Cargo, Inc. ($157M), 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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