Top 100 Contractors in PSC 2835: Gas Turbines and Jet Engines, Non-Aircraft; and Components, FY2021

Name: Top 100 Contractors in PSC 2835: Gas Turbines and Jet Engines, Non-Aircraft; and Components, FY2021
Creator: GovTribe

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

The top 10 won 95% of FY2021 PSC 2835 contract dollars

Contract obligations: $434,351,532 Net of deobligations, by contracts coded PSC 2835
Contractors: 154 Parent companies with an obligation
Largest contractor: Honeywell International Inc. $337 million, 76.8% 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	Honeywell International Inc. 7 awardees Top agencies Army (Department of the Army) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$336,827,793	76.8%	Rank history: #1 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; unchanged since FY2020.
2	General Electric Company 5 awardees Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$33,348,421	7.6%	Rank history: #3 in FY2022, #2 in FY2023, #2 in FY2024 and #3 in FY2025; unchanged since FY2020.
3	Aarcorp 2 awardees, including AAR Supply Chain, Inc. and AAR Allen Services, Inc. Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force) Army (Department of the Army)	$14,624,522	3.3%	Rank history: #2 in FY2022, #4 in FY2023, #3 in FY2024 and not on the FY2025 list; unchanged since FY2020.
4	Rolls-Royce Military Aero Engines Ltd 3 awardees, including Rolls-Royce Marine North America Inc. and Rolls-Royce PLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$8,102,996	1.8%	Rank history: #4 in FY2022, #5 in FY2023 and not on the FY2024–FY2025 lists; up 1 since FY2020.
5	Transdigm Group Incorporated 4 awardees, including Aerocontrolex Group, Inc., Transdigm Inc. and Arkwin Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$5,822,751	1.3%	Rank history: #9 in FY2022, #8 in FY2023, #84 in FY2024 and not on the FY2025 list; up 1 since FY2020.
6	Transaero, Inc. Top agencies DLA (Defense Logistics Agency)	$5,585,326	1.3%	Rank history: #100 in FY2022, #20 in FY2023, #59 in FY2024 and not on the FY2025 list; up 2 since FY2020.
7	MTU Aero Engines Holding AG Through Vericor Power Systems LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$5,403,058	1.2%	Rank history: #17 in FY2022 and not on the FY2023–FY2025 lists; up 129 since FY2020.
8	RTX Corporation 5 awardees, including Goodrich Corporation, Hamilton Sundstrand Corporation and Collins Engine Nozzles, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$3,424,915	0.8%	Rank history: #6 in FY2022, #3 in FY2023, #6 in FY2024 and #4 in FY2025; down 1 since FY2020.
9	S & K Aerospace, LLC Top agencies Navy (Department of the Navy)	$2,768,402	0.6%	Rank history: #26 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
10	Northrop Grumman Corporation 2 awardees, including Northrop Grumman Systems Corporation Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$2,666,212	0.6%	Rank history: #42 in FY2022, #42 in FY2023, #45 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
11	Goodrich Corporation Top agencies USAF (Department of the Air Force)	$2,548,751	0.6%	Rank history: #38 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
12	Fiber Dynamics, Inc. Top agencies USAF (Department of the Air Force)	$1,743,703	0.4%	Rank history: #7 in FY2022, #13 in FY2023, #4 in FY2024 and #7 in FY2025; up 9 since FY2020.
13	Graham Corp Through Barber-Nichols, LLC Top agencies Navy (Department of the Navy)	$1,365,292	0.3%	Rank history: #27 in FY2022, #23 in FY2023, #25 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
14	Shapes Group Ltd Co. Top agencies DLA (Defense Logistics Agency)	$824,727	0.2%	Rank history: #23 in FY2022, #12 in FY2023, #17 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
15	American Turbo Systems Inc. Top agencies Army (Department of the Army)	$605,798	0.1%	Rank history: #57 in FY2022, not on the FY2023–FY2024 lists and #54 in FY2025; up 1 since FY2020.
16	Thomas Instrument, Incorporated Top agencies DLA (Defense Logistics Agency)	$555,809	0.1%	Rank history: #15 in FY2022, #21 in FY2023, #29 in FY2024 and #39 in FY2025; up 12 since FY2020.
17	Turbine Technics Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$531,348	0.1%	Rank history: #33 in FY2022, #32 in FY2023, #28 in FY2024 and #25 in FY2025; new, not ranked in FY2020.
18	Sunpower Corporation Through Hutchinson Aerospace & Industry, Inc. Top agencies DLA (Defense Logistics Agency)	$494,173	0.1%	Rank history: not on the FY2022 list, #9 in FY2023 and not on the FY2024–FY2025 lists; down 3 since FY2020.
19	Sherwood Avionics and Accessories, Inc. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$492,666	0.1%	Rank history: #8 in FY2022, #7 in FY2023, not on the FY2024 list and #9 in FY2025; down 9 since FY2020.
20	Rolls-Royce Marine North America Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$365,177	0.1%	Rank history: #21 in FY2022, not on the FY2023 list, #16 in FY2024 and #17 in FY2025; up 70 since FY2020.
21	Norcatec LLC Top agencies DLA (Defense Logistics Agency)	$363,264	0.1%	Rank history: #14 in FY2022, #18 in FY2023, #86 in FY2024 and #29 in FY2025; up 9 since FY2020.
22	Libby Power Systems, LLC Top agencies DLA (Defense Logistics Agency)	$346,650	0.1%	Rank history: #30 in FY2022, #27 in FY2023, #55 in FY2024 and #34 in FY2025; down 2 since FY2020.
23	Aeroderivative Gas Turbine Support Inc. Top agencies DLA (Defense Logistics Agency)	$337,097	0.1%	Rank history: not on the FY2022 list, #87 in FY2023, #79 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
24	Rhinestahl Corporation Top agencies DLA (Defense Logistics Agency)	$324,195	0.1%	Rank history: #35 in FY2022, #19 in FY2023 and not on the FY2024–FY2025 lists; up 1 since FY2020.
25	AAR Supply Chain, Inc. Top agencies DLA (Defense Logistics Agency)	$312,235	0.1%	Rank history: #78 in FY2022 and not on the FY2023–FY2025 lists; down 13 since FY2020.
26	Dutch Valley Supply Co. Top agencies DLA (Defense Logistics Agency)	$290,258	0.1%	Rank history: #31 in FY2022, not on the FY2023–FY2024 lists and #15 in FY2025; up 5 since FY2020.
27	Brown Helicopter, Inc. Top agencies DLA (Defense Logistics Agency)	$276,574	0.1%	Rank history: #25 in FY2022, #37 in FY2023, #23 in FY2024 and #35 in FY2025; up 6 since FY2020.
28	Howden North America Inc. Top agencies Navy (Department of the Navy)	$235,212	0.1%	Rank history: not on the FY2022–FY2025 lists; up 19 since FY2020.
29	Lockheed Martin Corporation 2 awardees, including Sikorsky Aircraft Corporation Top agencies DLA (Defense Logistics Agency)	$231,372	0.1%	Rank history: #37 in FY2022, #15 in FY2023, #39 in FY2024 and #16 in FY2025; up 12 since FY2020.
30	FBC Enterprises LLC Top agencies DLA (Defense Logistics Agency)	$211,415	<0.1%	Rank history: #41 in FY2022, #14 in FY2023, #15 in FY2024 and #24 in FY2025; up 32 since FY2020.
31	GMS International Corporation Top agencies DLA (Defense Logistics Agency)	$209,780	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
32	Advanced Turbine Services, L.L.C. Top agencies Navy (Department of the Navy)	$205,940	<0.1%	Rank history: #16 in FY2022, #25 in FY2023, #48 in FY2024 and #30 in FY2025; down 14 since FY2020.
33	Lanzen, Incorporated Top agencies DLA (Defense Logistics Agency)	$203,013	<0.1%	Rank history: #50 in FY2022 and not on the FY2023–FY2025 lists; up 4 since FY2020.
34	Government of Canada Through Canadian Commercial Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$202,648	<0.1%	Rank history: #19 in FY2022, #11 in FY2023, #32 in FY2024 and not on the FY2025 list; up 36 since FY2020.
35	Integrated Procurement Technologies Top agencies DLA (Defense Logistics Agency)	$201,057	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
36	Northwest Pump & Equipment Co. Top agencies Commerce (Department of Commerce)	$192,493	<0.1%	Rank history: not on the FY2022 list, #29 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
37	Air New Zealand Engineering Services Top agencies Navy (Department of the Navy)	$181,618	<0.1%	Rank history: not on the FY2022 list, #92 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2020.
38	Jamaica Bearings Co., Inc. Top agencies Navy (Department of the Navy)	$159,434	<0.1%	Rank history: #18 in FY2022, #24 in FY2023, #36 in FY2024 and not on the FY2025 list; down 11 since FY2020.
39	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$149,843	<0.1%	Rank history: #24 in FY2022, #60 in FY2023, not on the FY2024 list and #33 in FY2025; up 26 since FY2020.
40	Meggitt PLC Through Meggitt (Orange County), Inc. Top agencies Navy (Department of the Navy)	$141,923	<0.1%	Rank history: not on the FY2022 list, #31 in FY2023, #66 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
41	Aerocontrolex Group, Inc. Top agencies DLA (Defense Logistics Agency)	$139,102	<0.1%	Rank history: not on the FY2022–FY2023 lists, #9 in FY2024 and #11 in FY2025; up 17 since FY2020.
42	Standardaero Aviation Holdings, Inc. 3 awardees, including Jet Aviation Specialists LLC and Standard Aero Limited Top agencies Navy (Department of the Navy)	$134,352	<0.1%	Rank history: #72 in FY2022, #26 in FY2023 and not on the FY2024–FY2025 lists; unchanged since FY2020.
43	The Boeing Company 2 awardees, including Boeing Distribution Services X, Inc. Top agencies DLA (Defense Logistics Agency)	$118,659	<0.1%	Rank history: #29 in FY2022, #49 in FY2023, #12 in FY2024 and #12 in FY2025; up 54 since FY2020.
44	Donaldson Company, Inc. Top agencies DLA (Defense Logistics Agency)	$117,052	<0.1%	Rank history: #12 in FY2022, #22 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
45	Atap Inc. Top agencies DLA (Defense Logistics Agency)	$113,904	<0.1%	Rank history: #43 in FY2022, #59 in FY2023, #71 in FY2024 and not on the FY2025 list; down 7 since FY2020.
46	SGL Carbon SE Through SGL Composites Inc. Top agencies DLA (Defense Logistics Agency)	$107,157	<0.1%	Rank history: #40 in FY2022, #39 in FY2023 and not on the FY2024–FY2025 lists; up 25 since FY2020.
47	Mac Aerospace Corp Top agencies Navy (Department of the Navy)	$103,176	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
48	Brighton Cromwell LLC Top agencies DLA (Defense Logistics Agency)	$101,049	<0.1%	Rank history: #53 in FY2022 and not on the FY2023–FY2025 lists; down 26 since FY2020.
49	Service & Sales Inc. Top agencies DLA (Defense Logistics Agency)	$93,399	<0.1%	Rank history: #45 in FY2022, #44 in FY2023, #67 in FY2024 and #41 in FY2025; up 3 since FY2020.
50	T & T Fabrication LLC Top agencies DLA (Defense Logistics Agency)	$85,952	<0.1%	Rank history: #46 in FY2022 and not on the FY2023–FY2025 lists; up 29 since FY2020.
51	Ordnance Technology Service, Inc. Top agencies DLA (Defense Logistics Agency)	$84,270	<0.1%	Rank history: not on the FY2022 list, #82 in FY2023, #35 in FY2024 and #69 in FY2025; up 36 since FY2020.
52	Linmarr Associates, Inc. Top agencies DLA (Defense Logistics Agency)	$77,939	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 11 since FY2020.
53	Statz Corp Top agencies DLA (Defense Logistics Agency)	$77,786	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
54	Triman Industries Inc. Top agencies DLA (Defense Logistics Agency)	$77,745	<0.1%	Rank history: #22 in FY2022, #30 in FY2023, #24 in FY2024 and not on the FY2025 list; up 6 since FY2020.
55	Aviatrix Inc. Top agencies DLA (Defense Logistics Agency)	$74,277	<0.1%	Rank history: not on the FY2022–FY2024 lists and #96 in FY2025; up 33 since FY2020.
56	Aero-Dyne Supply Co., Inc. Top agencies DLA (Defense Logistics Agency)	$69,743	<0.1%	Rank history: #55 in FY2022, not on the FY2023 list, #88 in FY2024 and #73 in FY2025; new, not ranked in FY2020.
57	Sauer Compressors USA Inc. Top agencies Navy (Department of the Navy)	$67,712	<0.1%	Rank history: #47 in FY2022, #54 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
58	Woodward Governor Company 2 awardees, including Woodward, Inc. Top agencies DLA (Defense Logistics Agency)	$66,298	<0.1%	Rank history: #32 in FY2022, #17 in FY2023, #92 in FY2024 and not on the FY2025 list; down 32 since FY2020.
59	Pride Electronics Inc. Top agencies DLA (Defense Logistics Agency)	$65,388	<0.1%	Rank history: #84 in FY2022, #58 in FY2023, #91 in FY2024 and not on the FY2025 list; down 24 since FY2020.
60	Aiw-Alton Inc. Top agencies DLA (Defense Logistics Agency)	$64,900	<0.1%	Rank history: #52 in FY2022, not on the FY2023 list, #49 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
61	Greenwich AeroGroup Inc. Through Aero Precision Industries LLC Top agencies DLA (Defense Logistics Agency)	$50,409	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
62	Hamilton Sundstrand Corporation Top agencies DLA (Defense Logistics Agency)	$45,735	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
63	Maximum Turbine Support Inc. Top agencies DLA (Defense Logistics Agency)	$44,175	<0.1%	Rank history: not on the FY2022 list, #61 in FY2023, #93 in FY2024 and not on the FY2025 list; up 3 since FY2020.
64	ISO Group Inc. Top agencies Navy (Department of the Navy)	$40,909	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
65	Aero Components, LLC Top agencies DLA (Defense Logistics Agency)	$39,204	<0.1%	Rank history: #49 in FY2022, #35 in FY2023, not on the FY2024 list and #59 in FY2025; new, not ranked in FY2020.
66	Thomas Scientific LLC 3 awardees, including Chromalloy Component Services Inc. and Chromalloy San Diego Corp Top agencies Navy (Department of the Navy)	$38,850	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
67	Rolls-Royce Corporation Top agencies DLA (Defense Logistics Agency)	$32,936	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
68	Martin Military Inc. Top agencies DLA (Defense Logistics Agency)	$32,612	<0.1%	Rank history: not on the FY2022 list, #89 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
69	Blue Ash Tool & Die Co Inc. Top agencies DLA (Defense Logistics Agency)	$31,277	<0.1%	Rank history: #85 in FY2022, #71 in FY2023, #94 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
70	Planestocks LLC Top agencies DLA (Defense Logistics Agency)	$30,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
71	Nada Scientific Limited Top agencies DOJ (Department of Justice)	$29,111	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
72	Gardner Denver Nash LLC Top agencies DOI (Department of the Interior)	$27,400	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
73	Penn Detroit Diesel Allison LLC Through Penn Power Group LLC Top agencies DLA (Defense Logistics Agency)	$26,776	<0.1%	Rank history: not on the FY2022 list, #90 in FY2023 and not on the FY2024–FY2025 lists; up 30 since FY2020.
74	S I T Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$26,450	<0.1%	Rank history: not on the FY2022 list, #66 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
75	Advanced Internet Marketing, Inc. Top agencies Navy (Department of the Navy)	$24,407	<0.1%	Rank history: #80 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
76	Rural Route 2, LLC Top agencies DLA (Defense Logistics Agency)	$24,360	<0.1%	Rank history: #54 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
77	EOS Inc. Top agencies DLA (Defense Logistics Agency)	$23,843	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
78	S3 Aerodefense LLC Top agencies DLA (Defense Logistics Agency)	$20,790	<0.1%	Rank history: not on the FY2022–FY2024 lists and #90 in FY2025; new, not ranked in FY2020.
79	Lynn Electronics LLC Top agencies DLA (Defense Logistics Agency)	$18,647	<0.1%	Rank history: #68 in FY2022 and not on the FY2023–FY2025 lists; down 39 since FY2020.
80	PCX Inc. Top agencies DLA (Defense Logistics Agency)	$16,809	<0.1%	Rank history: not on the FY2022–FY2024 lists and #62 in FY2025; new, not ranked in FY2020.
81	Johnson & Towers Inc. Top agencies DLA (Defense Logistics Agency)	$15,978	<0.1%	Rank history: not on the FY2022 list, #97 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
82	Heico Aerospace Corporat Through Thermal Structures, Inc. Top agencies DLA (Defense Logistics Agency)	$15,788	<0.1%	Rank history: #10 in FY2022, not on the FY2023 list, #64 in FY2024 and #78 in FY2025; down 4 since FY2020.
83	CU Enterprises Ltd Through C U Enterprises Ltd Top agencies DLA (Defense Logistics Agency)	$15,744	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
84	Stag Enterprise, Inc. Top agencies Navy (Department of the Navy)	$15,069	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
85	Aviarms Support Corp Top agencies DLA (Defense Logistics Agency)	$13,558	<0.1%	Rank history: #65 in FY2022, #77 in FY2023, #62 in FY2024 and #60 in FY2025; down 11 since FY2020.
86	International Logistics Inc. Top agencies DLA (Defense Logistics Agency)	$13,287	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
87	Alturdyne International Top agencies DLA (Defense Logistics Agency)	$13,185	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
88	Caterpillar Inc. Through Solar Turbines Incorporated Top agencies USDA (Department of Agriculture)	$12,957	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 29 since FY2020.
89	Wood Environment & Infrastructure Solutions Inc. 2 awardees, including Ethosenergy Accessories and Components, LLC Top agencies Navy (Department of the Navy)	$12,611	<0.1%	Rank history: #48 in FY2022, #38 in FY2023 and not on the FY2024–FY2025 lists; down 72 since FY2020.
90	Shockform Aeronautique Inc. Top agencies DHS (Department of Homeland Security)	$12,120	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
91	Science Applications International Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$12,070	<0.1%	Rank history: not on the FY2022 list, #98 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
92	Colbert Manufacturing Company, Inc. Top agencies DLA (Defense Logistics Agency)	$11,584	<0.1%	Rank history: #56 in FY2022, #76 in FY2023 and not on the FY2024–FY2025 lists; down 6 since FY2020.
93	Equipment Parts Sales Top agencies DLA (Defense Logistics Agency)	$10,756	<0.1%	Rank history: #90 in FY2022, #63 in FY2023, #99 in FY2024 and not on the FY2025 list; down 25 since FY2020.
94	Numet Machining Techniques LLC Through Numet Acquisition Numet, Inc. Top agencies DLA (Defense Logistics Agency)	$10,491	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
95	Sam's Airpack Plus, Inc. Top agencies DLA (Defense Logistics Agency)	$10,254	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
96	Mid-State Aerospace Inc. Top agencies DLA (Defense Logistics Agency)	$10,130	<0.1%	Rank history: #66 in FY2022, not on the FY2023 list, #56 in FY2024 and #97 in FY2025; new, not ranked in FY2020.
97	Kell-Strom Tool International Inc. Top agencies DLA (Defense Logistics Agency)	$9,950	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
98	WKF (Friedman) Enterprises, Inc. Top agencies DLA (Defense Logistics Agency)	$9,800	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 45 since FY2020.
99	DBR Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$9,259	<0.1%	Rank history: not on the FY2022 list, #40 in FY2023, not on the FY2024 list and #80 in FY2025; new, not ranked in FY2020.
100	Intermetra Corporation Through Pinnacle Research and Aviation, LLC Top agencies DLA (Defense Logistics Agency)	$9,178	<0.1%	Rank history: not on the FY2022 list, #70 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.

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100 of 154 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 $439 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 2835 contractors in FY2021?

1. Honeywell International Inc. ($337M), 2. General Electric Company ($33.3M), 3. Aarcorp ($14.6M), 4. Rolls-Royce Military Aero Engines Ltd ($8.1M), 5. Transdigm Group Incorporated ($5.82M), 6. Transaero, Inc. ($5.59M), 7. MTU Aero Engines Holding AG ($5.4M), 8. RTX Corporation ($3.42M), 9. S & K Aerospace, LLC ($2.77M), 10. Northrop Grumman Corporation ($2.67M).

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