Top 100 Contractors in PSC 1670: Parachutes; Aerial Pick Up, Delivery, Recovery Systems; Cargo Tie Down Equipment, FY2021

Name: Top 100 Contractors in PSC 1670: Parachutes; Aerial Pick Up, Delivery, Recovery Systems; Cargo Tie Down Equipment, FY2021
Creator: GovTribe

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

The top 10 won 78% of FY2021 PSC 1670 contract dollars

Contract obligations: $153,104,484 Net of deobligations, by contracts coded PSC 1670
Contractors: 139 Parent companies with an obligation
Largest contractor: Transdigm Group Incorporated $51.5 million, 31.8% 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	Transdigm Group Incorporated 5 awardees, including Airborne Systems North America of CA Inc., Airborne Systems North America of NJ Inc. and Telair US LLC Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$51,481,534	31.8%	Rank history: #1 in FY2022, #1 in FY2023, #19 in FY2024 and not on the FY2025 list; unchanged since FY2020.
2	TAC Industries Inc. Top agencies USAF (Department of the Air Force)	$22,773,720	14.1%	Rank history: #6 in FY2022, #8 in FY2023, #8 in FY2024 and #10 in FY2025; up 2 since FY2020.
3	Mills Manufacturing Corporation Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$18,485,484	11.4%	Rank history: #12 in FY2022, #4 in FY2023, #5 in FY2024 and #1 in FY2025; unchanged since FY2020.
4	Butler Parachute Systems, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) DLA (Defense Logistics Agency)	$8,515,294	5.3%	Rank history: #10 in FY2022, #25 in FY2023, #4 in FY2024 and #2 in FY2025; up 5 since FY2020.
5	Aarcorp 2 awardees, including AAR Manufacturing, Inc. Top agencies USAF (Department of the Air Force)	$7,817,654	4.8%	Rank history: #2 in FY2022, #3 in FY2023 and not on the FY2024–FY2025 lists; down 3 since FY2020.
6	Cottonwood Inc. Top agencies DLA (Defense Logistics Agency)	$4,364,739	2.7%	Rank history: #18 in FY2022, #14 in FY2023, #9 in FY2024 and #14 in FY2025; up 5 since FY2020.
7	Complete Parachute Solutions, Inc. Top agencies Army (Department of the Army) USDA (Department of Agriculture) USAF (Department of the Air Force)	$3,498,374	2.2%	Rank history: #4 in FY2022, #5 in FY2023, #3 in FY2024 and #5 in FY2025; down 2 since FY2020.
8	Airborne Systems North America of NJ Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) DLA (Defense Logistics Agency)	$3,066,627	1.9%	Rank history: #26 in FY2022 and not on the FY2023–FY2025 lists; up 90 since FY2020.
9	SSK Military Industries Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) USSOCOM (United States Special Operations Command)	$3,026,015	1.9%	Rank history: #16 in FY2022, #40 in FY2023, #25 in FY2024 and #27 in FY2025; up 5 since FY2020.
10	Martin-Baker (ENGINEERING) Ltd 2 awardees, including Martin-Baker America Inc. and Martin-Baker Aircraft Company Limited Top agencies DLA (Defense Logistics Agency)	$2,896,228	1.8%	Rank history: #9 in FY2022, #13 in FY2023, #27 in FY2024 and not on the FY2025 list; up 2 since FY2020.
11	BAE Systems PLC 2 awardees, including BAE Systems Protection Systems Inc. and BAE Systems Land & Armaments L.P. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$2,279,087	1.4%	Rank history: #11 in FY2022, #6 in FY2023, #15 in FY2024 and not on the FY2025 list; down 5 since FY2020.
12	Capewell Aerial Systems LLC 2 awardees Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) USAF (Department of the Air Force)	$2,266,504	1.4%	Rank history: #17 in FY2022, #10 in FY2023, #16 in FY2024 and #15 in FY2025; down 4 since FY2020.
13	Tarrant County Association for the Blind Top agencies DLA (Defense Logistics Agency)	$2,192,338	1.4%	Rank history: #25 in FY2022, #11 in FY2023, #24 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
14	Falcon Engineering Corporation Top agencies DLA (Defense Logistics Agency)	$1,850,101	1.1%	Rank history: not on the FY2022–FY2025 lists; up 38 since FY2020.
15	Theodor Wille Intertrade GMBH Through Atlantic Diving Supply, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,715,900	1.1%	Rank history: #7 in FY2022 and not on the FY2023–FY2025 lists; up 2 since FY2020.
16	Peerless Industrial Group Inc. Through Peerless Chain Company Top agencies DLA (Defense Logistics Agency)	$1,471,167	0.9%	Rank history: not on the FY2022 list, #23 in FY2023, #26 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
17	Weckworth Manufacturing, Inc. Top agencies DLA (Defense Logistics Agency)	$1,436,836	0.9%	Rank history: #13 in FY2022, #24 in FY2023, #44 in FY2024 and #23 in FY2025; down 1 since FY2020.
18	ECI Defense Group, Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$1,276,857	0.8%	Rank history: #51 in FY2022, #19 in FY2023, #13 in FY2024 and #12 in FY2025; up 8 since FY2020.
19	Para-Gear Equipment Co Top agencies USAF (Department of the Air Force) Army (Department of the Army) USSOCOM (United States Special Operations Command)	$1,265,481	0.8%	Rank history: #19 in FY2022, #20 in FY2023, #28 in FY2024 and #22 in FY2025; up 3 since FY2020.
20	Davis Aircraft Products Co., Inc. Top agencies DLA (Defense Logistics Agency)	$1,162,775	0.7%	Rank history: #21 in FY2022, #29 in FY2023, #20 in FY2024 and #16 in FY2025; up 44 since FY2020.
21	Machintek Co Top agencies DLA (Defense Logistics Agency)	$1,111,424	0.7%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
22	Omni Medical Systems, Inc. Top agencies Army (Department of the Army)	$1,090,540	0.7%	Rank history: not on the FY2022–FY2025 lists; up 111 since FY2020.
23	Morsecorp, Inc. Top agencies Army (Department of the Army)	$1,022,700	0.6%	Rank history: #60 in FY2022, #58 in FY2023, #6 in FY2024 and #35 in FY2025; new, not ranked in FY2020.
24	FXC Corporation 2 awardees Top agencies DLA (Defense Logistics Agency)	$977,291	0.6%	Rank history: #14 in FY2022, #21 in FY2023, #7 in FY2024 and #9 in FY2025; down 17 since FY2020.
25	Cobham Advanced Electronic Solutions Inc. 2 awardees, including Mission Systems Davenport Inc. and Mission Systems Orchard Park Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$786,183	0.5%	Rank history: not on the FY2022–FY2025 lists; down 15 since FY2020.
26	Bourdon Forge Co Inc. Top agencies DLA (Defense Logistics Agency)	$684,133	0.4%	Rank history: #27 in FY2022, #22 in FY2023, #40 in FY2024 and #25 in FY2025; up 13 since FY2020.
27	Aquila International LLC Top agencies Army (Department of the Army)	$623,862	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
28	Mock, Inc. Top agencies DLA (Defense Logistics Agency)	$486,466	0.3%	Rank history: not on the FY2022–FY2025 lists; up 13 since FY2020.
29	Bridport Erie Aviation, Inc. Top agencies DLA (Defense Logistics Agency)	$374,145	0.2%	Rank history: not on the FY2022 list, #33 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
30	Jag Components, LLC Top agencies DLA (Defense Logistics Agency)	$366,824	0.2%	Rank history: #29 in FY2022, #30 in FY2023, #42 in FY2024 and #46 in FY2025; down 2 since FY2020.
31	Cobham Advanced Electron Through Mission Systems Davenport Inc. Top agencies DLA (Defense Logistics Agency)	$340,657	0.2%	Rank history: #34 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
32	Mission Systems Davenport Inc. Top agencies DLA (Defense Logistics Agency)	$336,261	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
33	Square One Parachutes Inc. Top agencies USAF (Department of the Air Force)	$324,300	0.2%	Rank history: #42 in FY2022 and not on the FY2023–FY2025 lists; down 1 since FY2020.
34	Hoffmann Fabricating LLC Top agencies DLA (Defense Logistics Agency)	$251,239	0.2%	Rank history: not on the FY2022 list, #78 in FY2023 and not on the FY2024–FY2025 lists; up 26 since FY2020.
35	Coating Specialties, Inc. Top agencies DLA (Defense Logistics Agency)	$239,568	0.1%	Rank history: not on the FY2022 list, #34 in FY2023, #37 in FY2024 and #37 in FY2025; down 15 since FY2020.
36	B.W.I. of KS. Inc. Top agencies DLA (Defense Logistics Agency)	$232,285	0.1%	Rank history: not on the FY2022–FY2025 lists; down 12 since FY2020.
37	Sourceamerica Top agencies Army (Department of the Army)	$222,624	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
38	A.g.h. Industries, LLC Top agencies DLA (Defense Logistics Agency)	$215,482	0.1%	Rank history: not on the FY2022 list, #84 in FY2023, #71 in FY2024 and #59 in FY2025; new, not ranked in FY2020.
39	Creative Logistics Ltd Top agencies DLA (Defense Logistics Agency)	$195,876	0.1%	Rank history: #64 in FY2022, #76 in FY2023 and not on the FY2024–FY2025 lists; up 33 since FY2020.
40	Sky Dive Outlet Deland, Inc. Top agencies Army (Department of the Army)	$187,190	0.1%	Rank history: #30 in FY2022, #75 in FY2023, #39 in FY2024 and #48 in FY2025; down 10 since FY2020.
41	Vigil America Inc. Top agencies USAF (Department of the Air Force) USDA (Department of Agriculture) Army (Department of the Army)	$178,791	0.1%	Rank history: not on the FY2022 list, #39 in FY2023, #23 in FY2024 and #13 in FY2025; new, not ranked in FY2020.
42	J & B LLC Top agencies DLA (Defense Logistics Agency)	$175,928	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
43	Red Orange International Limited Top agencies USAF (Department of the Air Force)	$175,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
44	Paradigm Parachute and Defense Inc. 2 awardees Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$144,185	0.1%	Rank history: #49 in FY2022, not on the FY2023 list, #12 in FY2024 and #4 in FY2025; new, not ranked in FY2020.
45	Northrop Grumman Corporation Through Northrop Grumman Systems Corporation Top agencies DLA (Defense Logistics Agency)	$142,260	0.1%	Rank history: #22 in FY2022, #54 in FY2023 and not on the FY2024–FY2025 lists; up 14 since FY2020.
46	Linmarr Associates, Inc. Top agencies Army (Department of the Army)	$141,693	0.1%	Rank history: not on the FY2022–FY2025 lists; up 11 since FY2020.
47	Connectec Company, Inc. Top agencies DLA (Defense Logistics Agency)	$137,627	0.1%	Rank history: #20 in FY2022, #31 in FY2023, #70 in FY2024 and #20 in FY2025; down 22 since FY2020.
48	RTX Corporation 2 awardees, including Ami Industries, Inc. and Goodrich Corporation Top agencies DLA (Defense Logistics Agency)	$137,541	0.1%	Rank history: #23 in FY2022, #67 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
49	Electro Parts Inc. Top agencies DLA (Defense Logistics Agency)	$124,800	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
50	Lockheed Martin Corporation 3 awardees, including Sikorsky Aircraft Corporation and Derco Aerospace, Inc. Top agencies DLA (Defense Logistics Agency)	$120,226	0.1%	Rank history: #40 in FY2022, #7 in FY2023, #14 in FY2024 and #76 in FY2025; up 6 since FY2020.
51	Triman Industries Inc. Top agencies DLA (Defense Logistics Agency)	$115,785	0.1%	Rank history: not on the FY2022 list, #51 in FY2023, #21 in FY2024 and #31 in FY2025; new, not ranked in FY2020.
52	Lobo Ventures Ltd Top agencies DLA (Defense Logistics Agency)	$115,097	0.1%	Rank history: #73 in FY2022, #43 in FY2023, #53 in FY2024 and #45 in FY2025; new, not ranked in FY2020.
53	BC Machine Inc. Top agencies DLA (Defense Logistics Agency)	$114,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
54	West Coast Netting Inc. Top agencies Navy (Department of the Navy)	$111,265	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
55	De Technologies Inc. Top agencies DLA (Defense Logistics Agency)	$110,775	0.1%	Rank history: #61 in FY2022, not on the FY2023 list, #85 in FY2024 and #63 in FY2025; new, not ranked in FY2020.
56	Switlik Parachute Company, Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$106,055	0.1%	Rank history: #96 in FY2022, #71 in FY2023, #81 in FY2024 and not on the FY2025 list; up 14 since FY2020.
57	Tuscany Inc Through Esmet Inc. Top agencies DLA (Defense Logistics Agency)	$103,802	0.1%	Rank history: not on the FY2022 list, #45 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
58	G7T L.L.C. Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$98,773	0.1%	Rank history: #43 in FY2022 and not on the FY2023–FY2025 lists; down 11 since FY2020.
59	General Aviation Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$87,323	0.1%	Rank history: #37 in FY2022, #28 in FY2023, #49 in FY2024 and #24 in FY2025; down 44 since FY2020.
60	Kennon Products Inc. Top agencies USAF (Department of the Air Force)	$83,510	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
61	Skydive Store Inc. Top agencies Army (Department of the Army)	$81,499	0.1%	Rank history: not on the FY2022–FY2024 lists and #53 in FY2025; new, not ranked in FY2020.
62	Mazzella Holding Company, Inc. Through Mazzella Lifting Technologies, Inc. Top agencies Navy (Department of the Navy)	$80,997	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
63	Era Industrial Sales Corp Top agencies DLA (Defense Logistics Agency)	$78,420	<0.1%	Rank history: not on the FY2022 list, #83 in FY2023, #89 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
64	Hoosier Industrial Supply, Inc. Top agencies DLA (Defense Logistics Agency)	$76,598	<0.1%	Rank history: #77 in FY2022, not on the FY2023 list, #62 in FY2024 and #81 in FY2025; new, not ranked in FY2020.
65	Heico Aerospace Corporat Through Robertson Fuel Systems, L.L.C. Top agencies Navy (Department of the Navy)	$69,528	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 10 since FY2020.
66	The Conrad Company Top agencies DLA (Defense Logistics Agency)	$65,978	<0.1%	Rank history: #32 in FY2022, #90 in FY2023, not on the FY2024 list and #44 in FY2025; down 29 since FY2020.
67	Sun Path Products Inc. Top agencies USSOCOM (United States Special Operations Command)	$61,516	<0.1%	Rank history: #45 in FY2022, #60 in FY2023, #88 in FY2024 and #88 in FY2025; down 25 since FY2020.
68	Icarus World LLC Top agencies USSOCOM (United States Special Operations Command)	$59,180	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 10 since FY2020.
69	Georgia State of Through Georgia Department of Human Services Top agencies DLA (Defense Logistics Agency)	$57,363	<0.1%	Rank history: #89 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
70	The Boeing Company Top agencies DLA (Defense Logistics Agency)	$57,301	<0.1%	Rank history: not on the FY2022 list, #94 in FY2023, not on the FY2024 list and #62 in FY2025; down 16 since FY2020.
71	Spencer Industries Inc. Top agencies DLA (Defense Logistics Agency)	$55,550	<0.1%	Rank history: not on the FY2022 list, #96 in FY2023, #99 in FY2024 and not on the FY2025 list; down 40 since FY2020.
72	Aero Components, LLC Top agencies DLA (Defense Logistics Agency)	$54,708	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 3 since FY2020.
73	Ripa Engineering Corp Top agencies DLA (Defense Logistics Agency)	$47,700	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
74	Statz Corp Top agencies DLA (Defense Logistics Agency)	$47,274	<0.1%	Rank history: #71 in FY2022 and not on the FY2023–FY2025 lists; down 7 since FY2020.
75	Lifesaving Systems LLC Top agencies DLA (Defense Logistics Agency)	$45,191	<0.1%	Rank history: #75 in FY2022, #37 in FY2023, #86 in FY2024 and #47 in FY2025; down 24 since FY2020.
76	Skyhook Rescue Systems Inc. Top agencies DHS (Department of Homeland Security)	$40,800	<0.1%	Rank history: #84 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
77	QPI Pro, Inc. Top agencies DLA (Defense Logistics Agency)	$38,179	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
78	Systems Technology, Inc. Top agencies USAF (Department of the Air Force)	$38,115	<0.1%	Rank history: not on the FY2022 list, #65 in FY2023 and not on the FY2024–FY2025 lists; down 28 since FY2020.
79	BAE Systems Land & Armaments L.P. Top agencies DLA (Defense Logistics Agency)	$34,760	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
80	Petit Tool Company Top agencies DLA (Defense Logistics Agency)	$34,631	<0.1%	Rank history: not on the FY2022 list, #85 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
81	Uninsured Glider Services, LLC Top agencies Navy (Department of the Navy)	$32,847	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
82	Bell Boeing Joint Project Office Top agencies DLA (Defense Logistics Agency)	$30,132	<0.1%	Rank history: #90 in FY2022, not on the FY2023 list, #52 in FY2024 and #55 in FY2025; unchanged since FY2020.
83	Rock Sky Market Inc. Top agencies Army (Department of the Army)	$28,124	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
84	Special Projects Operations, Inc. Top agencies Army (Department of the Army)	$27,164	<0.1%	Rank history: not on the FY2022–FY2025 lists; unchanged since FY2020.
85	A Wiley & Associates Inc. Top agencies DLA (Defense Logistics Agency)	$23,604	<0.1%	Rank history: #95 in FY2022, #32 in FY2023 and not on the FY2024–FY2025 lists; down 50 since FY2020.
86	Crest Precast, Inc. Top agencies Army (Department of the Army)	$23,278	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
87	TNL Sales LLC Top agencies DLA (Defense Logistics Agency)	$23,108	<0.1%	Rank history: #85 in FY2022, #52 in FY2023, not on the FY2024 list and #92 in FY2025; up 28 since FY2020.
88	Ganar Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$22,681	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 65 since FY2020.
89	Global Logistics Strategies Inc. Top agencies DLA (Defense Logistics Agency)	$21,713	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
90	Hydraulics International, Inc. Top agencies DLA (Defense Logistics Agency)	$20,419	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 33 since FY2020.
91	Maven Engineering Corporation Top agencies DLA (Defense Logistics Agency)	$20,233	<0.1%	Rank history: #98 in FY2022, #55 in FY2023, #59 in FY2024 and #91 in FY2025; new, not ranked in FY2020.
92	L.r.g. Corporation Top agencies DLA (Defense Logistics Agency)	$20,005	<0.1%	Rank history: #87 in FY2022, not on the FY2023–FY2024 lists and #84 in FY2025; down 43 since FY2020.
93	Tropa Logistics LLC Top agencies USSOCOM (United States Special Operations Command)	$17,897	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
94	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$16,797	<0.1%	Rank history: #55 in FY2022, #57 in FY2023, #87 in FY2024 and #80 in FY2025; down 48 since FY2020.
95	Aviarms Support Corp Top agencies DLA (Defense Logistics Agency)	$16,766	<0.1%	Rank history: #88 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
96	Lift-It Manufacturing Co., Inc. Top agencies DHS (Department of Homeland Security)	$14,620	<0.1%	Rank history: not on the FY2022–FY2023 lists, #38 in FY2024 and #28 in FY2025; up 5 since FY2020.
97	Coordinated Defense Supply Systems, Inc. Top agencies DLA (Defense Logistics Agency)	$14,394	<0.1%	Rank history: #56 in FY2022, #50 in FY2023, not on the FY2024 list and #36 in FY2025; down 52 since FY2020.
98	Jacobs Engineering Group Inc. Through Amentum Technology, Inc. Top agencies DOJ (Department of Justice)	$14,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
99	A.j. Associates Manufacturing & Engineering Co. Inc. Top agencies DLA (Defense Logistics Agency)	$13,532	<0.1%	Rank history: #99 in FY2022, not on the FY2023 list, #48 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
100	Alliance Rubber Co Top agencies DLA (Defense Logistics Agency)	$12,790	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.

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100 of 139 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 $162 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 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 1670 contractors in FY2021?

1. Transdigm Group Incorporated ($51.5M), 2. TAC Industries Inc. ($22.8M), 3. Mills Manufacturing Corporation ($18.5M), 4. Butler Parachute Systems, Inc. ($8.52M), 5. Aarcorp ($7.82M), 6. Cottonwood Inc. ($4.36M), 7. Complete Parachute Solutions, Inc. ($3.5M), 8. Airborne Systems North America of NJ Inc. ($3.07M), 9. SSK Military Industries Inc. ($3.03M), 10. Martin-Baker (ENGINEERING) Ltd ($2.9M).

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