Top 100 Contractors in PSC V221: Passenger Air Charter Service, FY2021

Name: Top 100 Contractors in PSC V221: Passenger Air Charter Service, FY2021
Creator: GovTribe

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

The top 10 won 74% of FY2021 PSC V221 contract dollars

Contract obligations: $1,255,093,274 Net of deobligations, by contracts coded PSC V221
Contractors: 205 Parent companies with an obligation
Largest contractor: Patriot Team $401 million, 29.7% 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	Patriot Team Top agencies USAF (Department of the Air Force)	$400,938,395	29.7%	Rank history: #1 in FY2022, #1 in FY2023, #1 in FY2024 and not on the FY2025 list; unchanged since FY2020.
2	Fedex Corp 2 awardees, including Federal Express Corporation Top agencies USAF (Department of the Air Force) USTRANSCOM (Department of Defense United States Transportation Command)	$343,295,595	25.5%	Rank history: #2 in FY2022, #2 in FY2023, #2 in FY2024 and not on the FY2025 list; up 2 since FY2020.
3	Construction Helicopters, LLC Top agencies Army (Department of the Army) USSOCOM (United States Special Operations Command)	$51,367,932	3.8%	Rank history: not on the FY2022–FY2023 lists, #42 in FY2024 and #42 in FY2025; up 2 since FY2020.
4	Delta Air Lines, Inc. Top agencies USAF (Department of the Air Force)	$50,623,185	3.8%	Rank history: #6 in FY2022, #27 in FY2023, #17 in FY2024 and #8 in FY2025; up 2 since FY2020.
5	ERA Helicopters LLC Through Bristow LLC Top agencies DOI (Department of the Interior) DOT (Department of Transportation)	$31,841,197	2.4%	Rank history: #5 in FY2022, #5 in FY2023, #91 in FY2024 and not on the FY2025 list; up 2 since FY2020.
6	Columbia Helicopters, Inc. Top agencies Army (Department of the Army)	$31,297,456	2.3%	Rank history: not on the FY2022 list, #80 in FY2023 and not on the FY2024–FY2025 lists; down 4 since FY2020.
7	National Air Cargo, Inc. Through National Air Cargo Group, Inc. Top agencies USAF (Department of the Air Force)	$28,280,935	2.1%	Rank history: #3 in FY2022, #3 in FY2023, #3 in FY2024 and not on the FY2025 list; up 8 since FY2020.
8	Minnesota Aviation, LLC Through Sun Country, Inc. Top agencies USAF (Department of the Air Force)	$23,723,119	1.8%	Rank history: #15 in FY2022, #9 in FY2023, #23 in FY2024 and not on the FY2025 list; unchanged since FY2020.
9	Southwest Airlines Co. Top agencies USAF (Department of the Air Force)	$21,740,857	1.6%	Rank history: #20 in FY2022, #14 in FY2023, #45 in FY2024 and #63 in FY2025; up 9 since FY2020.
10	Phoenix Air Group, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$19,399,464	1.4%	Rank history: #9 in FY2022, #6 in FY2023, #10 in FY2024 and #36 in FY2025; up 3 since FY2020.
11	United Continental Holdings Inc. Through United Airlines, Inc. Top agencies USAF (Department of the Air Force)	$15,800,039	1.2%	Rank history: #26 in FY2022, #33 in FY2023 and not on the FY2024–FY2025 lists; up 8 since FY2020.
12	Berry Aviation Inc. Top agencies Army (Department of the Army)	$14,958,980	1.1%	Rank history: not on the FY2022–FY2023 lists, #88 in FY2024 and not on the FY2025 list; down 1 since FY2020.
13	Federal Express Corporation Top agencies USAF (Department of the Air Force)	$13,379,094	1.0%	Rank history: not on the FY2022–FY2025 lists; down 10 since FY2020.
14	Erickson Helicopters, Inc. Top agencies Navy (Department of the Navy)	$12,738,583	0.9%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
15	Erickson Incorporated 2 awardees, including Erickson Helicopters, Inc. Top agencies Navy (Department of the Navy) USSOCOM (United States Special Operations Command)	$11,290,130	0.8%	Rank history: #7 in FY2022, #8 in FY2023 and not on the FY2024–FY2025 lists; down 6 since FY2020.
16	Allegiant Travel Company Through Allegiant Air LLC Top agencies USAF (Department of the Air Force)	$10,734,702	0.8%	Rank history: #10 in FY2022, #12 in FY2023, #8 in FY2024 and #10 in FY2025; down 4 since FY2020.
17	Bighorn Airways Inc. Top agencies DOI (Department of the Interior)	$9,651,026	0.7%	Rank history: #18 in FY2022, #16 in FY2023, #13 in FY2024 and #15 in FY2025; up 4 since FY2020.
18	Eastern Airlines LLC 2 awardees Top agencies USAF (Department of the Air Force)	$8,715,757	0.6%	Rank history: #4 in FY2022, #4 in FY2023, #5 in FY2024 and #4 in FY2025; up 18 since FY2020.
19	Sierra Pacific Airlines, Inc. Top agencies USAF (Department of the Air Force)	$8,287,501	0.6%	Rank history: #8 in FY2022, #11 in FY2023, #9 in FY2024 and #7 in FY2025; up 1 since FY2020.
20	Air Center Helicopters, Inc. Top agencies NSF (National Science Foundation)	$7,877,978	0.6%	Rank history: #23 in FY2022, #13 in FY2023, #46 in FY2024 and not on the FY2025 list; down 3 since FY2020.
21	Vertical De Aviacion U.s.a., Inc. Top agencies DOS (Department of State)	$7,333,735	0.5%	Rank history: #11 in FY2022, #43 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
22	Helistar SAS Top agencies DOS (Department of State)	$6,433,489	0.5%	Rank history: #35 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
23	Air Greenland A/S Top agencies USAF (Department of the Air Force)	$6,264,163	0.5%	Rank history: #21 in FY2022, #19 in FY2023, #16 in FY2024 and not on the FY2025 list; up 2 since FY2020.
24	Wheels Up Partners LLC 2 awardees Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$6,058,622	0.4%	Rank history: #22 in FY2022, #20 in FY2023, #29 in FY2024 and not on the FY2025 list; up 5 since FY2020.
25	Southeast Stevedoring Corp 2 awardees, including Temsco Helicopters Inc. and Coastal Helicopters, Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$5,805,781	0.4%	Rank history: #19 in FY2022, #17 in FY2023 and not on the FY2024–FY2025 lists; up 5 since FY2020.
26	Air Transport Services Group Inc. Through Omni Air International, LLC Top agencies USAF (Department of the Air Force)	$5,584,650	0.4%	Rank history: #12 in FY2022 and not on the FY2023–FY2025 lists; down 10 since FY2020.
27	Rampart Aviation, Llc. Top agencies Navy (Department of the Navy) USSOCOM (United States Special Operations Command)	$5,253,241	0.4%	Rank history: #13 in FY2022, #10 in FY2023, #15 in FY2024 and #14 in FY2025; down 5 since FY2020.
28	Spur Aviation Services, LC Top agencies DOI (Department of the Interior)	$4,966,957	0.4%	Rank history: #31 in FY2022, #25 in FY2023, not on the FY2024 list and #37 in FY2025; unchanged since FY2020.
29	Northern Vietnam Helicopter Co. Ltd. Top agencies WHS (DOD Washington Headquarters Service) Navy (Department of the Navy)	$4,305,537	0.3%	Rank history: not on the FY2022–FY2023 lists, #54 in FY2024 and not on the FY2025 list; up 6 since FY2020.
30	Rocky Mountain Holdings L.L.C Through Air Methods, LLC Top agencies Army (Department of the Army)	$4,150,190	0.3%	Rank history: #25 in FY2022, #24 in FY2023 and not on the FY2024–FY2025 lists; up 1 since FY2020.
31	Aero Spray Inc. Top agencies DOI (Department of the Interior)	$4,082,453	0.3%	Rank history: not on the FY2022–FY2025 lists; up 6 since FY2020.
32	P.j. Helicopters, Inc. Top agencies DOI (Department of the Interior)	$3,910,673	0.3%	Rank history: not on the FY2022–FY2025 lists; down 5 since FY2020.
33	Kenn Borek Air Ltd Top agencies NSF (National Science Foundation)	$3,781,740	0.3%	Rank history: #24 in FY2022, #40 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2020.
34	Brainerd Helicopters, Inc. Top agencies DOI (Department of the Interior)	$3,622,435	0.3%	Rank history: #27 in FY2022, #18 in FY2023, #21 in FY2024 and #16 in FY2025; down 11 since FY2020.
35	Hawaiian Holdings Inc Through Hawaiian Airlines, Inc. Top agencies USAF (Department of the Air Force)	$3,254,500	0.2%	Rank history: #17 in FY2022, #29 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
36	Swift Air L.L.C. 2 awardees Top agencies USAF (Department of the Air Force)	$3,149,152	0.2%	Rank history: #14 in FY2022, #21 in FY2023, #36 in FY2024 and not on the FY2025 list; up 150 since FY2020.
37	Suburban Air Express, Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$3,098,830	0.2%	Rank history: #29 in FY2022, #31 in FY2023 and not on the FY2024–FY2025 lists; up 7 since FY2020.
38	Marana Tactical Flight LLC Top agencies USSOCOM (United States Special Operations Command)	$2,764,090	0.2%	Rank history: #62 in FY2022 and not on the FY2023–FY2025 lists; up 21 since FY2020.
39	Papillon Airways, Inc. 2 awardees Top agencies DOI (Department of the Interior)	$2,647,511	0.2%	Rank history: #28 in FY2022, #36 in FY2023, #24 in FY2024 and #22 in FY2025; down 15 since FY2020.
40	Eagle Helicopters, Inc. Top agencies DOI (Department of the Interior)	$2,640,350	0.2%	Rank history: #37 in FY2022, #34 in FY2023 and not on the FY2024–FY2025 lists; down 2 since FY2020.
41	Helicopter Express LLC Top agencies DOI (Department of the Interior)	$2,599,316	0.2%	Rank history: #32 in FY2022, #26 in FY2023, #49 in FY2024 and #21 in FY2025; up 1 since FY2020.
42	Arrowhead Realty, LLC Top agencies VA (Department of Veterans Affairs)	$2,540,640	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
43	Aspen Helicopters Inc. Top agencies Navy (Department of the Navy) DOI (Department of the Interior) Commerce (Department of Commerce)	$2,462,122	0.2%	Rank history: #34 in FY2022, #28 in FY2023, #34 in FY2024 and #25 in FY2025; down 3 since FY2020.
44	Capitol Helicopters, Inc. Top agencies DOI (Department of the Interior)	$2,258,213	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
45	Maritime Helicopters, Inc. Top agencies DOI (Department of the Interior) USAF (Department of the Air Force) Navy (Department of the Navy)	$1,808,162	0.1%	Rank history: #50 in FY2022, #53 in FY2023, #40 in FY2024 and #57 in FY2025; up 13 since FY2020.
46	Air Resources Helicopters, Inc. Top agencies DOI (Department of the Interior)	$1,795,800	0.1%	Rank history: #56 in FY2022, #61 in FY2023, #53 in FY2024 and #52 in FY2025; up 26 since FY2020.
47	Heliqwest International Inc. Top agencies DOI (Department of the Interior)	$1,758,253	0.1%	Rank history: #39 in FY2022, #39 in FY2023, #37 in FY2024 and #38 in FY2025; unchanged since FY2020.
48	Ponderosa Aviation Inc. Top agencies DOI (Department of the Interior)	$1,725,675	0.1%	Rank history: #44 in FY2022, #46 in FY2023 and not on the FY2024–FY2025 lists; down 5 since FY2020.
49	Reeder Flying Service, Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$1,541,974	0.1%	Rank history: #40 in FY2022, #45 in FY2023, #25 in FY2024 and #32 in FY2025; down 10 since FY2020.
50	CSI Aviation, Inc. Top agencies Navy (Department of the Navy) DOJ (Department of Justice)	$1,491,654	0.1%	Rank history: #36 in FY2022, #35 in FY2023, #75 in FY2024 and not on the FY2025 list; down 9 since FY2020.
51	Pathfinder Aviation LLC Top agencies DOI (Department of the Interior) Commerce (Department of Commerce)	$1,411,812	0.1%	Rank history: #38 in FY2022, #47 in FY2023, #12 in FY2024 and #11 in FY2025; up 17 since FY2020.
52	Swanson Group Inc. Through Swanson Group Aviation, LLC Top agencies DOI (Department of the Interior)	$1,404,018	0.1%	Rank history: not on the FY2022–FY2025 lists; up 64 since FY2020.
53	Clearwater Airco, LLC Top agencies DOI (Department of the Interior) Commerce (Department of Commerce)	$1,402,995	0.1%	Rank history: #64 in FY2022, #58 in FY2023, not on the FY2024 list and #58 in FY2025; up 9 since FY2020.
54	HMC Helicopter Service LLC Top agencies DOI (Department of the Interior)	$1,284,063	0.1%	Rank history: #42 in FY2022, #41 in FY2023, #84 in FY2024 and #45 in FY2025; down 5 since FY2020.
55	Inflight Medical Services International, Inc. Top agencies DOJ (Department of Justice)	$1,280,062	0.1%	Rank history: #41 in FY2022, #38 in FY2023, #38 in FY2024 and #43 in FY2025; down 4 since FY2020.
56	Soloy Helicopters LLC Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$1,276,084	0.1%	Rank history: #43 in FY2022, #51 in FY2023, #44 in FY2024 and #46 in FY2025; down 3 since FY2020.
57	Jet Logistics Inc. Top agencies USAF (Department of the Air Force)	$1,246,141	0.1%	Rank history: #48 in FY2022, #52 in FY2023 and not on the FY2024–FY2025 lists; up 8 since FY2020.
58	LAO Skyway Top agencies WHS (DOD Washington Headquarters Service)	$1,213,995	0.1%	Rank history: #58 in FY2022, #54 in FY2023, #69 in FY2024 and #35 in FY2025; up 23 since FY2020.
59	Sycan Corp Top agencies DOI (Department of the Interior)	$1,101,160	0.1%	Rank history: #68 in FY2022, not on the FY2023 list, #51 in FY2024 and not on the FY2025 list; down 3 since FY2020.
60	Monarch Air Group, LLC Top agencies USAF (Department of the Air Force)	$1,048,000	0.1%	Rank history: not on the FY2022–FY2025 lists; up 34 since FY2020.
61	EAL Leasing, Inc. Top agencies DOI (Department of the Interior)	$1,045,128	0.1%	Rank history: #47 in FY2022 and not on the FY2023–FY2025 lists; unchanged since FY2020.
62	Leading Edge Aviation, Inc. Top agencies DOI (Department of the Interior)	$934,069	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
63	Mountain Blade Runner LLC Top agencies DOI (Department of the Interior)	$924,418	0.1%	Rank history: #51 in FY2022, #42 in FY2023, #26 in FY2024 and #29 in FY2025; down 13 since FY2020.
64	Mountain Air Helicopters Inc. Top agencies DOI (Department of the Interior)	$782,259	0.1%	Rank history: #55 in FY2022, #76 in FY2023, not on the FY2024 list and #69 in FY2025; down 9 since FY2020.
65	Heli-1 Corp Top agencies DOI (Department of the Interior)	$737,600	0.1%	Rank history: #52 in FY2022, not on the FY2023 list, #47 in FY2024 and #24 in FY2025; new, not ranked in FY2020.
66	Air Spray USA Inc. Top agencies DOI (Department of the Interior)	$726,050	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
67	Temsco Helicopters Inc. Top agencies DOI (Department of the Interior)	$705,873	0.1%	Rank history: not on the FY2022–FY2023 lists, #14 in FY2024 and #17 in FY2025; new, not ranked in FY2020.
68	Black Construction / Mace International Joint Venture Top agencies Navy (Department of the Navy)	$697,313	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
69	National Air Cargo Group, Inc. Top agencies USAF (Department of the Air Force)	$591,699	<0.1%	Rank history: #79 in FY2022, not on the FY2023 list, #6 in FY2024 and #3 in FY2025; down 36 since FY2020.
70	Pollux Aviation, Ltd. Top agencies DOI (Department of the Interior)	$587,989	<0.1%	Rank history: not on the FY2022 list, #84 in FY2023, #78 in FY2024 and not on the FY2025 list; up 73 since FY2020.
71	United Airlines, Inc. Top agencies USAF (Department of the Air Force)	$587,700	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 23 since FY2020.
72	Prime Jet LLC Top agencies DOJ (Department of Justice)	$569,943	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
73	Kalitta Air LLC Through Kalitta Charters, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DOJ (Department of Justice)	$521,770	<0.1%	Rank history: not on the FY2022–FY2023 lists, #80 in FY2024 and #61 in FY2025; up 33 since FY2020.
74	Fly 4 You, Inc. Top agencies DOT (Department of Transportation) Commerce (Department of Commerce) DHS (Department of Homeland Security)	$514,943	<0.1%	Rank history: #59 in FY2022, #59 in FY2023, #94 in FY2024 and #89 in FY2025; up 1 since FY2020.
75	Corporate Flight Management, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$481,479	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 49 since FY2020.
76	Croman Corp Top agencies DOI (Department of the Interior)	$468,264	<0.1%	Rank history: not on the FY2022 list, #55 in FY2023 and not on the FY2024–FY2025 lists; down 9 since FY2020.
77	The Boeing Company Through Jeppesen Foreflight, Inc. Top agencies Army (Department of the Army)	$400,880	<0.1%	Rank history: #69 in FY2022, #60 in FY2023, #65 in FY2024 and #86 in FY2025; down 6 since FY2020.
78	Golden Eagle Outfitters, Inc. Top agencies DOI (Department of the Interior)	$393,450	<0.1%	Rank history: #73 in FY2022, #67 in FY2023, #62 in FY2024 and #54 in FY2025; up 29 since FY2020.
79	Windward Aviation Inc. Top agencies DOI (Department of the Interior) Navy (Department of the Navy)	$366,562	<0.1%	Rank history: #80 in FY2022, #73 in FY2023, #66 in FY2024 and #70 in FY2025; up 16 since FY2020.
80	Sunset Aviation LLC Top agencies DOJ (Department of Justice)	$355,932	<0.1%	Rank history: #84 in FY2022, not on the FY2023–FY2024 lists and #80 in FY2025; new, not ranked in FY2020.
81	T. Scott Dunn Construction, Inc. Top agencies DOI (Department of the Interior)	$342,186	<0.1%	Rank history: not on the FY2022–FY2023 lists, #68 in FY2024 and #51 in FY2025; down 3 since FY2020.
82	Manuiwa Airways, Incorporated Top agencies DOI (Department of the Interior)	$255,919	<0.1%	Rank history: #95 in FY2022, #66 in FY2023 and not on the FY2024–FY2025 lists; up 30 since FY2020.
83	PAK West Airlines, Inc. Top agencies DOJ (Department of Justice)	$253,109	<0.1%	Rank history: #82 in FY2022 and not on the FY2023–FY2025 lists; up 3 since FY2020.
84	Kalitta Charters, LLC Top agencies USAF (Department of the Air Force)	$241,650	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 7 since FY2020.
85	Bluesky Helicopters Inc. Top agencies DOI (Department of the Interior)	$240,647	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
86	Guardian Helicopters Inc. Top agencies USDA (Department of Agriculture) Navy (Department of the Navy)	$231,115	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 3 since FY2020.
87	Skydive Chicago Inc. Top agencies Navy (Department of the Navy)	$231,000	<0.1%	Rank history: #70 in FY2022, #65 in FY2023, #71 in FY2024 and #67 in FY2025; new, not ranked in FY2020.
88	Wright Air Service Inc. Top agencies DOI (Department of the Interior)	$215,035	<0.1%	Rank history: #75 in FY2022, #72 in FY2023, #57 in FY2024 and not on the FY2025 list; up 10 since FY2020.
89	Owyhee Air Research LLC Top agencies DOI (Department of the Interior)	$213,838	<0.1%	Rank history: #66 in FY2022, #96 in FY2023, #59 in FY2024 and #73 in FY2025; down 6 since FY2020.
90	Northwest Helicopters LLC Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$210,363	<0.1%	Rank history: #93 in FY2022, #74 in FY2023, #72 in FY2024 and #82 in FY2025; up 46 since FY2020.
91	Turbo Air Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$209,923	<0.1%	Rank history: not on the FY2022 list, #85 in FY2023 and not on the FY2024–FY2025 lists; up 55 since FY2020.
92	Alpine Air Alaska, LLC Top agencies DOI (Department of the Interior) Commerce (Department of Commerce)	$206,572	<0.1%	Rank history: #71 in FY2022, #79 in FY2023, #85 in FY2024 and #64 in FY2025; up 37 since FY2020.
93	JL Aviation, Inc. Top agencies DOI (Department of the Interior)	$202,735	<0.1%	Rank history: #90 in FY2022, not on the FY2023 list, #89 in FY2024 and not on the FY2025 list; up 18 since FY2020.
94	M & N Aviation, Inc. Top agencies DOJ (Department of Justice)	$186,470	<0.1%	Rank history: #78 in FY2022, #71 in FY2023, #74 in FY2024 and #74 in FY2025; up 3 since FY2020.
95	East Coast Flight Services Inc. Top agencies Navy (Department of the Navy)	$169,253	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 22 since FY2020.
96	Quicksilver Air, Inc. Top agencies DOI (Department of the Interior)	$165,421	<0.1%	Rank history: #65 in FY2022 and not on the FY2023–FY2025 lists; up 62 since FY2020.
97	Bering Air, Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$157,040	<0.1%	Rank history: #61 in FY2022, #70 in FY2023, #70 in FY2024 and #65 in FY2025; down 4 since FY2020.
98	Hawaiian Airlines, Inc. Top agencies USAF (Department of the Air Force)	$156,250	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
99	EL Aero Services Inc. Top agencies DOI (Department of the Interior)	$153,544	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 25 since FY2020.
100	Timberland Helicopters Inc. Top agencies DOI (Department of the Interior)	$149,571	<0.1%	Rank history: #87 in FY2022, not on the FY2023 list, #100 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.

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100 of 205 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 $1.35 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 PSC V221 contractors in FY2021?

1. Patriot Team ($401M), 2. Fedex Corp ($343M), 3. Construction Helicopters, LLC ($51.4M), 4. Delta Air Lines, Inc. ($50.6M), 5. ERA Helicopters LLC ($31.8M), 6. Columbia Helicopters, Inc. ($31.3M), 7. National Air Cargo, Inc. ($28.3M), 8. Minnesota Aviation, LLC ($23.7M), 9. Southwest Airlines Co. ($21.7M), 10. Phoenix Air Group, Inc. ($19.4M).

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