Top 100 Contractors in PSC 5865: Electronic Countermeasures, Counter-Countermeasures and Quick Reaction Capability Equipment, FY2022

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Northrop Grumman Corporation 12 awardees, including Northrop Grumman Systems Corporation and Alliant Techsystems Operations LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$825,113,948	31.9%	Rank history: #1 in FY2021, #1 in FY2023, #1 in FY2024 and #1 in FY2025; unchanged since FY2021.
2	L3Harris Technologies, Inc. 16 awardees, including L3Harris Technologies Integrated Systems L.P., L3 Technologies, Inc. and L3Harris Nexgen Communications LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) USSOCOM (United States Special Operations Command)	$500,549,155	19.3%	Rank history: #2 in FY2021, #3 in FY2023, #4 in FY2024 and #3 in FY2025; unchanged since FY2021.
3	Lockheed Martin Corporation 4 awardees, including Sikorsky Aircraft Corporation Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$404,877,526	15.7%	Rank history: #3 in FY2021, #2 in FY2023, #2 in FY2024 and #2 in FY2025; unchanged since FY2021.
4	The Boeing Company 4 awardees, including Argon ST, Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$264,744,220	10.2%	Rank history: #4 in FY2021, #4 in FY2023, #5 in FY2024 and #8 in FY2025; unchanged since FY2021.
5	BAE Systems PLC 3 awardees, including BAE Systems Information and Electronic Systems Integration Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$175,456,284	6.8%	Rank history: #5 in FY2021, #5 in FY2023, #3 in FY2024 and #5 in FY2025; unchanged since FY2021.
6	RTX Corporation 11 awardees, including Raytheon Company, Rockwell Collins, Inc. and Simmonds Precision Products Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) DLA (Defense Logistics Agency)	$40,244,637	1.6%	Rank history: #6 in FY2021, #11 in FY2023, #6 in FY2024 and #4 in FY2025; unchanged since FY2021.
7	Leonardo S.p.A. 3 awardees, including DRS Systems, Inc., DRS Network & Imaging Systems LLC and Laurel Technologies Partnership Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$39,093,727	1.5%	Rank history: #9 in FY2021, #7 in FY2023, #15 in FY2024 and #9 in FY2025; up 2 since FY2021.
8	Ultra Electronics Forensic Technology Inc Through Ultra Electronics Ocean Systems Inc. Top agencies Navy (Department of the Navy) DFAS (Defense Finance and Accounting Service)	$33,858,505	1.3%	Rank history: #10 in FY2021, #10 in FY2023, #20 in FY2024 and not on the FY2025 list; up 2 since FY2021.
9	Leidos Holdings, Inc. 2 awardees, including Leidos, Inc. and Dynetics, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$32,737,117	1.3%	Rank history: #12 in FY2021, #8 in FY2023, #18 in FY2024 and #13 in FY2025; up 3 since FY2021.
10	General Dynamics Corporation 6 awardees, including General Dynamics Mission Systems, Inc. and General Dynamics-Ots, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$32,578,471	1.3%	Rank history: #7 in FY2021, #9 in FY2023, #16 in FY2024 and #10 in FY2025; down 3 since FY2021.
11	SRC Inc. 2 awardees, including Srctec, LLC Top agencies Army (Department of the Army)	$26,780,850	1.0%	Rank history: #20 in FY2021, #14 in FY2023, #42 in FY2024 and #49 in FY2025; up 9 since FY2021.
12	Sierra Nevada Company, LLC Top agencies USAF (Department of the Air Force) USSOCOM (United States Special Operations Command)	$20,164,453	0.8%	Rank history: #8 in FY2021, #6 in FY2023, #7 in FY2024 and #7 in FY2025; down 4 since FY2021.
13	Government of Canada Through Canadian Commercial Corporation Top agencies Navy (Department of the Navy)	$19,909,239	0.8%	Rank history: #11 in FY2021, #24 in FY2023 and not on the FY2024–FY2025 lists; down 2 since FY2021.
14	Chemring Group PLC 2 awardees, including Chemring Australia PTY Ltd Top agencies Navy (Department of the Navy)	$18,842,172	0.7%	Rank history: #13 in FY2021, #12 in FY2023, #11 in FY2024 and not on the FY2025 list; down 1 since FY2021.
15	BAE Systems Information and Electronic Systems Integration Inc. Top agencies USAF (Department of the Air Force)	$14,137,286	0.5%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
16	Meggitt Defense Systems Inc. Top agencies Navy (Department of the Navy)	$10,213,318	0.4%	Rank history: not on the FY2021 list, #21 in FY2023 and not on the FY2024–FY2025 lists; new.
17	Transdigm Group Incorporated Through Armtec Countermeasures Co Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$8,943,503	0.3%	Rank history: #16 in FY2021, #13 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2021.
18	Canadian Commercial Corporation Top agencies Navy (Department of the Navy)	$8,234,814	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
19	Thomas B. Thriges Fond Through Terma Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DOT (Department of Transportation)	$7,490,796	0.3%	Rank history: #27 in FY2021, #20 in FY2023, #27 in FY2024 and not on the FY2025 list; up 8 since FY2021.
20	Viasat Inc. Top agencies Army (Department of the Army)	$6,724,550	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
21	Kranze Technology Solutions Inc. Top agencies Navy (Department of the Navy)	$6,551,518	0.3%	Rank history: #14 in FY2021, #15 in FY2023, #25 in FY2024 and #28 in FY2025; down 7 since FY2021.
22	Mercury Computer Systems Inc. 2 awardees, including Mercury Defense Systems, Inc. and Mercury Systems Inc. Top agencies Navy (Department of the Navy)	$6,262,531	0.2%	Rank history: #25 in FY2021, #28 in FY2023, #12 in FY2024 and #38 in FY2025; up 3 since FY2021.
23	Virtra, Inc. Top agencies Treasury (Department of the Treasury)	$4,743,075	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
24	Caci Photonics, LLC Top agencies USAF (Department of the Air Force)	$4,409,289	0.2%	Rank history: #19 in FY2021 and not on the FY2023–FY2025 lists; down 5 since FY2021.
25	Thyssenkrupp Elevator Corporation Through Tkms Atlas North America LLC Top agencies Navy (Department of the Navy)	$4,280,749	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
26	Sechan Electronics Inc. Top agencies Navy (Department of the Navy)	$3,756,092	0.1%	Rank history: #24 in FY2021, #17 in FY2023, #22 in FY2024 and #15 in FY2025; down 2 since FY2021.
27	Ball Corp Through BAE Systems Space & Mission Systems Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$3,721,043	0.1%	Rank history: #15 in FY2021, #16 in FY2023, #30 in FY2024 and not on the FY2025 list; down 12 since FY2021.
28	Management Services Group, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$3,689,309	0.1%	Rank history: #77 in FY2021, #18 in FY2023, #23 in FY2024 and #37 in FY2025; up 49 since FY2021.
29	Tyonek Native Corporatio Through Tfab Defense Systems LLC Top agencies Army (Department of the Army)	$3,015,492	0.1%	Rank history: #23 in FY2021, #19 in FY2023, #44 in FY2024 and not on the FY2025 list; down 6 since FY2021.
30	United States Technologies Inc. Top agencies Navy (Department of the Navy)	$2,738,567	0.1%	Rank history: #32 in FY2021 and not on the FY2023–FY2025 lists; up 2 since FY2021.
31	Talktelio LLC Top agencies Army (Department of the Army)	$2,663,503	0.1%	Rank history: not on the FY2021 list, #34 in FY2023 and not on the FY2024–FY2025 lists; new.
32	Heico Aerospace Corporat 4 awardees, including Research Electronics International, L.L.C., Ttt-Cubed Inc. and RH Laboratories, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) DOE (Department of Energy)	$2,262,047	0.1%	Rank history: #28 in FY2021, #35 in FY2023, #34 in FY2024 and #31 in FY2025; down 4 since FY2021.
33	Dell Federal Systems L.P. Top agencies USAF (Department of the Air Force)	$1,998,995	0.1%	Rank history: not on the FY2021 list, #26 in FY2023 and not on the FY2024–FY2025 lists; new.
34	Microwave Engineering Corporation Top agencies DLA (Defense Logistics Agency)	$1,588,712	0.1%	Rank history: not on the FY2021 list, #76 in FY2023, #38 in FY2024 and #27 in FY2025; new.
35	Meggitt PLC 2 awardees, including Meggitt Defense Systems, Inc. Top agencies DLA (Defense Logistics Agency)	$1,529,738	0.1%	Rank history: #33 in FY2021, #39 in FY2023 and not on the FY2024–FY2025 lists; down 2 since FY2021.
36	Roselm Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$1,444,851	0.1%	Rank history: not on the FY2021 list, #48 in FY2023, #50 in FY2024 and #56 in FY2025; new.
37	Cherokee Nation Aerospace & Defense LLC Top agencies DLA (Defense Logistics Agency)	$1,308,774	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
38	Jopana Technologies, Inc. Top agencies Navy (Department of the Navy)	$1,244,932	<0.1%	Rank history: #41 in FY2021, #32 in FY2023, not on the FY2024 list and #72 in FY2025; up 3 since FY2021.
39	CACI International Inc. 3 awardees, including Mastodon Design LLC and Caci Photonics, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$1,211,624	<0.1%	Rank history: #65 in FY2021, #33 in FY2023, #9 in FY2024 and #6 in FY2025; up 26 since FY2021.
40	Rodelco Electronics Corp Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$1,112,290	<0.1%	Rank history: #86 in FY2021, #46 in FY2023, #48 in FY2024 and not on the FY2025 list; up 46 since FY2021.
41	Sanmina-SCI Corporation Through SCI Technology, Inc. Top agencies Army (Department of the Army)	$622,845	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
42	Northrop Grumman Systems Corporation Top agencies Navy (Department of the Navy)	$600,000	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
43	Integrated Procurement Technologies 2 awardees Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$547,916	<0.1%	Rank history: #49 in FY2021, #49 in FY2023 and not on the FY2024–FY2025 lists; up 6 since FY2021.
44	Vectrus Systems Corporation Through Advantor Systems II LLC Top agencies USAF (Department of the Air Force)	$524,792	<0.1%	Rank history: #62 in FY2021, #83 in FY2023 and not on the FY2024–FY2025 lists; up 18 since FY2021.
45	RA Wood Associates LLC Top agencies Navy (Department of the Navy)	$519,701	<0.1%	Rank history: not on the FY2021 list, #52 in FY2023, not on the FY2024 list and #35 in FY2025; new.
46	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency)	$512,811	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 89 since FY2021.
47	Avtron Aerospace Inc. Top agencies DLA (Defense Logistics Agency)	$403,500	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
48	Hopewell Designs, Inc. Top agencies Army (Department of the Army)	$390,804	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
49	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$386,600	<0.1%	Rank history: #51 in FY2021, #72 in FY2023 and not on the FY2024–FY2025 lists; up 2 since FY2021.
50	Flowserve Corporation Top agencies DLA (Defense Logistics Agency)	$328,713	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
51	Aeronix, Inc. Top agencies DLA (Defense Logistics Agency)	$327,072	<0.1%	Rank history: #53 in FY2021 and not on the FY2023–FY2025 lists; up 2 since FY2021.
52	US21 Inc Top agencies USAF (Department of the Air Force)	$279,943	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
53	Aquila, Inc. Top agencies Army (Department of the Army)	$250,000	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
54	Owl Cyber Defense Solutions LLC Through Trident Systems LLC Top agencies Army (Department of the Army)	$248,339	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
55	Elma Electronic Inc. Top agencies Navy (Department of the Navy)	$232,260	<0.1%	Rank history: #76 in FY2021, #71 in FY2023 and not on the FY2024–FY2025 lists; up 21 since FY2021.
56	Jo-Kell Inc. Top agencies DLA (Defense Logistics Agency)	$201,143	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
57	Esco Technologies Inc. Through Globe Composite Solutions, LLC Top agencies Navy (Department of the Navy)	$197,404	<0.1%	Rank history: #93 in FY2021, #57 in FY2023 and not on the FY2024–FY2025 lists; up 36 since FY2021.
58	Eon Instrumentation, Inc. Top agencies Navy (Department of the Navy)	$186,000	<0.1%	Rank history: #35 in FY2021, #54 in FY2023 and not on the FY2024–FY2025 lists; down 23 since FY2021.
59	RLC Electronics, Inc. Top agencies DLA (Defense Logistics Agency)	$183,486	<0.1%	Rank history: not on the FY2021 list, #84 in FY2023 and not on the FY2024–FY2025 lists; up 92 since FY2021.
60	Teradyne Inc. Top agencies Navy (Department of the Navy)	$175,000	<0.1%	Rank history: not on the FY2021 list, #56 in FY2023 and not on the FY2024–FY2025 lists; new.
61	Lynn Electronics LLC Top agencies DLA (Defense Logistics Agency)	$170,664	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 136 since FY2021.
62	RH Laboratories, Inc. Top agencies DLA (Defense Logistics Agency)	$166,145	<0.1%	Rank history: #54 in FY2021 and not on the FY2023–FY2025 lists; down 8 since FY2021.
63	Dcx-Chol Enterprises, Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$160,000	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
64	U.s. Dynamics Corporation Top agencies DLA (Defense Logistics Agency)	$156,695	<0.1%	Rank history: not on the FY2021 list, #40 in FY2023, #66 in FY2024 and not on the FY2025 list; new.
65	Anania & Associates Investment Company LLC Through Microwave Techniques LLC Top agencies DLA (Defense Logistics Agency)	$150,000	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
66	Science Applications International Corporation 2 awardees, including Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$141,627	<0.1%	Rank history: #46 in FY2021 and not on the FY2023–FY2025 lists; down 20 since FY2021.
67	G.s.e. Dynamics, Inc. Top agencies DLA (Defense Logistics Agency)	$130,900	<0.1%	Rank history: not on the FY2021 list, not on the FY2023–FY2024 lists and #58 in FY2025; new.
68	Thales Through Thales Defense & Security Inc. Top agencies DLA (Defense Logistics Agency)	$123,862	<0.1%	Rank history: #84 in FY2021 and not on the FY2023–FY2025 lists; up 16 since FY2021.
69	Aarcorp Through AAR Supply Chain, Inc. Top agencies DLA (Defense Logistics Agency)	$107,391	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
70	Triman Industries Inc. Top agencies DLA (Defense Logistics Agency)	$104,811	<0.1%	Rank history: #61 in FY2021 and not on the FY2023–FY2025 lists; down 9 since FY2021.
71	Keysight Technologies, Inc. Top agencies Army (Department of the Army)	$98,043	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
72	Jacobs Engineering Group Inc. Through Amentum Technology, Inc. Top agencies Army (Department of the Army)	$98,000	<0.1%	Rank history: #34 in FY2021, #47 in FY2023 and not on the FY2024–FY2025 lists; down 38 since FY2021.
73	Ontic Engineering & Manufacturing, Inc. Through Centroid, Inc. Top agencies DLA (Defense Logistics Agency)	$97,863	<0.1%	Rank history: not on the FY2021 list, #45 in FY2023, #85 in FY2024 and not on the FY2025 list; up 39 since FY2021.
74	VSE Corporation Top agencies DLA (Defense Logistics Agency)	$91,663	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
75	Diltex, Inc. Top agencies Navy (Department of the Navy)	$89,203	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
76	B3 Communications Inc. Top agencies DOS (Department of State)	$84,757	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
77	Disan Engineering Corp Top agencies DLA (Defense Logistics Agency)	$83,360	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 83 since FY2021.
78	Transaero, Inc. Top agencies DLA (Defense Logistics Agency)	$80,488	<0.1%	Rank history: #70 in FY2021 and not on the FY2023–FY2025 lists; down 8 since FY2021.
79	Crosstek Solutions LLC Top agencies DHS (Department of Homeland Security)	$77,772	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
80	Noresco LLC Through Kidde Technologies, Inc. Top agencies DLA (Defense Logistics Agency)	$75,772	<0.1%	Rank history: #72 in FY2021 and not on the FY2023–FY2025 lists; down 8 since FY2021.
81	Ateez Corp Top agencies DLA (Defense Logistics Agency)	$72,186	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
82	Ensil Technical Services Inc. Top agencies DLA (Defense Logistics Agency)	$69,900	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
83	General Atomic Technologies Corporation Through General Atomics Top agencies DLA (Defense Logistics Agency)	$69,028	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
84	BBA Aviation PLC Through Ontic Engineering & Manufacturing, Inc. Top agencies DLA (Defense Logistics Agency)	$68,426	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
85	Oshkosh Corp 2 awardees, including Oshkosh Defense LLC and JLG Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$67,368	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 164 since FY2021.
86	Lokos Electronics, LLC Top agencies DLA (Defense Logistics Agency)	$64,968	<0.1%	Rank history: #95 in FY2021 and not on the FY2023–FY2025 lists; up 9 since FY2021.
87	United Dynamics, Inc. Top agencies DLA (Defense Logistics Agency)	$62,880	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
88	Cloud11 LLC Top agencies DLA (Defense Logistics Agency)	$62,036	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
89	Fuel Systems Inc. Top agencies DLA (Defense Logistics Agency)	$61,579	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
90	Janos Oras Top agencies DLA (Defense Logistics Agency)	$61,317	<0.1%	Rank history: not on the FY2021 list, #82 in FY2023 and not on the FY2024–FY2025 lists; up 27 since FY2021.
91	ECI Defense Group, Inc. Top agencies DLA (Defense Logistics Agency)	$60,032	<0.1%	Rank history: not on the FY2021 list, #61 in FY2023, #93 in FY2024 and not on the FY2025 list; new.
92	Burke Products Inc. Top agencies DLA (Defense Logistics Agency)	$56,000	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 53 since FY2021.
93	Cobham Mission Systems Orchard Park Inc. 2 awardees, including Caes Systems LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$49,652	<0.1%	Rank history: not on the FY2021 list, #22 in FY2023, #10 in FY2024 and not on the FY2025 list; new.
94	KBR Wyle Services, LLC Top agencies Navy (Department of the Navy)	$48,815	<0.1%	Rank history: #63 in FY2021 and not on the FY2023–FY2025 lists; down 31 since FY2021.
95	Hawkeye Innovation LLC Top agencies DLA (Defense Logistics Agency)	$48,648	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 45 since FY2021.
96	Edel Engineering Development Co. Top agencies DLA (Defense Logistics Agency)	$46,240	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
97	Admartec, Inc. Top agencies Navy (Department of the Navy)	$44,996	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
98	Marotta Controls Inc. Top agencies DLA (Defense Logistics Agency)	$44,500	<0.1%	Rank history: not on the FY2021 list, #66 in FY2023, #80 in FY2024 and not on the FY2025 list; new.
99	CBT Corporation Top agencies DLA (Defense Logistics Agency)	$43,310	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 21 since FY2021.
100	Mas Components & Coatings, LLC Top agencies DLA (Defense Logistics Agency)	$43,118	<0.1%	Rank history: #43 in FY2021, not on the FY2023 list, #45 in FY2024 and #68 in FY2025; down 57 since FY2021.

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 $2.59 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 2022 ran Oct 1, 2021 – Sep 30, 2022. 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 FY2021. "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 FY2021 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