Top 100 Contractors in PSC 5855: Night Vision Equipment, Emitted and Reflected Radiation, FY2021

Name: Top 100 Contractors in PSC 5855: Night Vision Equipment, Emitted and Reflected Radiation, FY2021
Creator: GovTribe

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

The top 10 won 87% of FY2021 PSC 5855 contract dollars

Contract obligations: $419,285,670 Net of deobligations, by contracts coded PSC 5855
Contractors: 137 Parent companies with an obligation
Largest contractor: Leonardo S.p.A. $95.1 million, 21.6% 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	Leonardo S.p.A. 4 awardees, including DRS Network & Imaging Systems, LLC, Leonardo MW Ltd and DRS Advanced ISR LLC Top agencies Army (Department of the Army) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$95,059,831	21.6%	Rank history: #2 in FY2022, #2 in FY2023, #4 in FY2024 and #3 in FY2025; unchanged since FY2020.
2	Lockheed Martin Corporation 5 awardees Top agencies Navy (Department of the Navy)	$81,425,192	18.5%	Rank history: #17 in FY2022, #9 in FY2023, #14 in FY2024 and #22 in FY2025; up 5 since FY2020.
3	RTX Corporation 7 awardees, including Raytheon Company and Rockwell Collins, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$66,909,152	15.2%	Rank history: #1 in FY2022, #1 in FY2023, #2 in FY2024 and #4 in FY2025; up 1 since FY2020.
4	L3Harris Technologies, Inc. 7 awardees, including L3 Technologies, Inc., Wescam Usa, Inc. and Harris Corporation Top agencies Army (Department of the Army) USAF (Department of the Air Force) USSOCOM (United States Special Operations Command)	$65,169,375	14.8%	Rank history: #3 in FY2022, #3 in FY2023, #1 in FY2024 and #1 in FY2025; down 2 since FY2020.
5	Government of Canada Through Canadian Commercial Corporation Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$39,660,959	9.0%	Rank history: #4 in FY2022, #65 in FY2023 and not on the FY2024–FY2025 lists; up 14 since FY2020.
6	Elbit Systems Ltd 2 awardees, including Elbitamerica, Inc. and Elbit Systems of America - Night Vision LLC Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$12,563,232	2.9%	Rank history: #10 in FY2022, #8 in FY2023, #3 in FY2024 and not on the FY2025 list; up 2 since FY2020.
7	Flir Systems Inc. 3 awardees, including Teledyne Flir Defense, Inc. and Teledyne Flir, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$6,322,038	1.4%	Rank history: #5 in FY2022, #4 in FY2023, #7 in FY2024 and not on the FY2025 list; down 2 since FY2020.
8	SAFRAN Through Safran Defense & Space, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$5,079,976	1.2%	Rank history: #6 in FY2022, #31 in FY2023 and not on the FY2024–FY2025 lists; up 9 since FY2020.
9	Rafael Advanced Defense Systems Ltd. Top agencies Navy (Department of the Navy)	$4,815,993	1.1%	Rank history: not on the FY2022–FY2023 lists, #11 in FY2024 and #15 in FY2025; up 18 since FY2020.
10	Clear Align LLC Top agencies DOT (Department of Transportation)	$4,601,567	1.0%	Rank history: #14 in FY2022, not on the FY2023 list, #16 in FY2024 and #13 in FY2025; up 13 since FY2020.
11	L3Harris Cincinnati Electronics Corporation Top agencies Navy (Department of the Navy)	$3,980,544	0.9%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
12	Teledyne Technologies Incorporated 3 awardees, including Teledyne Flir Defense, Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) Army (Department of the Army)	$2,974,818	0.7%	Rank history: #7 in FY2022, #30 in FY2023, #38 in FY2024 and #18 in FY2025; new, not ranked in FY2020.
13	Northrop Grumman Corporation 2 awardees, including Northrop Grumman Systems Corporation Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$2,523,518	0.6%	Rank history: #51 in FY2022, not on the FY2023 list, #21 in FY2024 and #46 in FY2025; up 102 since FY2020.
14	BAE Systems PLC 2 awardees, including BAE Systems Land & Armaments L.P. Top agencies Navy (Department of the Navy)	$2,228,519	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
15	3M Company Through Scott Technologies, Inc. Top agencies Navy (Department of the Navy)	$2,150,779	0.5%	Rank history: not on the FY2022–FY2025 lists; up 7 since FY2020.
16	Aish Technologies Ltd Through Hoffman Engineering, LLC Top agencies USSOCOM (United States Special Operations Command) Army (Department of the Army) Navy (Department of the Navy)	$2,072,049	0.5%	Rank history: #70 in FY2022, #100 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
17	Cejay Engineering, LLC Top agencies DLA (Defense Logistics Agency)	$1,659,000	0.4%	Rank history: #24 in FY2022, #80 in FY2023, not on the FY2024 list and #94 in FY2025; up 7 since FY2020.
18	Rrds Inc. Top agencies Army (Department of the Army)	$1,296,412	0.3%	Rank history: #31 in FY2022, #37 in FY2023, #25 in FY2024 and #21 in FY2025; up 47 since FY2020.
19	Knight's Armament Company Top agencies DOE (Department of Energy) Navy (Department of the Navy)	$1,252,144	0.3%	Rank history: #45 in FY2022 and not on the FY2023–FY2025 lists; up 30 since FY2020.
20	Atlantic Diving Supply, Inc. Top agencies Army (Department of the Army)	$1,188,827	0.3%	Rank history: not on the FY2022–FY2023 lists, #19 in FY2024 and #14 in FY2025; new, not ranked in FY2020.
21	Nightline Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$1,099,904	0.2%	Rank history: #26 in FY2022 and not on the FY2023–FY2025 lists; up 9 since FY2020.
22	Theodor Wille Intertrade GMBH Through Atlantic Diving Supply, Inc. Top agencies DOJ (Department of Justice) DHS (Department of Homeland Security) USAF (Department of the Air Force)	$1,055,447	0.2%	Rank history: #16 in FY2022, #14 in FY2023, #79 in FY2024 and not on the FY2025 list; down 7 since FY2020.
23	Carson Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$1,045,319	0.2%	Rank history: #12 in FY2022, #12 in FY2023, #17 in FY2024 and #11 in FY2025; down 10 since FY2020.
24	Aviation Specialties Unlimited, Inc. Top agencies DOS (Department of State) DLA (Defense Logistics Agency)	$1,004,746	0.2%	Rank history: #9 in FY2022, #58 in FY2023, not on the FY2024 list and #58 in FY2025; up 13 since FY2020.
25	Rockwell Collins-ESA Vision Systems Limited Liability Compan Through Collins Elbit Vision Systems, LLC Top agencies Navy (Department of the Navy)	$981,547	0.2%	Rank history: #11 in FY2022, #26 in FY2023 and not on the FY2024–FY2025 lists; down 16 since FY2020.
26	Cobham Advanced Electronic Solutions Inc. Through Mission Systems Davenport Inc. Top agencies DLA (Defense Logistics Agency)	$972,770	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
27	Mnemonics Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$782,192	0.2%	Rank history: not on the FY2022–FY2025 lists; down 11 since FY2020.
28	Triman Industries Inc. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$763,882	0.2%	Rank history: #39 in FY2022, #35 in FY2023, #32 in FY2024 and #76 in FY2025; up 7 since FY2020.
29	Richardson Electronics, Ltd. Top agencies DLA (Defense Logistics Agency)	$735,300	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
30	Airtronics, LLC Top agencies DLA (Defense Logistics Agency)	$699,965	0.2%	Rank history: #33 in FY2022, #23 in FY2023, #24 in FY2024 and not on the FY2025 list; down 2 since FY2020.
31	Tnvc, Inc. Top agencies DOI (Department of the Interior) DOD (Department of Defense)	$526,714	0.1%	Rank history: #89 in FY2022, not on the FY2023 list, #70 in FY2024 and #26 in FY2025; up 88 since FY2020.
32	Wilcox Industries Corp. Top agencies Army (Department of the Army)	$517,114	0.1%	Rank history: #18 in FY2022, #32 in FY2023, #39 in FY2024 and #25 in FY2025; new, not ranked in FY2020.
33	Interlog Corporation Top agencies DLA (Defense Logistics Agency)	$463,113	0.1%	Rank history: #27 in FY2022, #24 in FY2023, #30 in FY2024 and #34 in FY2025; up 3 since FY2020.
34	Aim Infrarot-Module GMBH Top agencies DLA (Defense Logistics Agency)	$451,650	0.1%	Rank history: not on the FY2022–FY2025 lists; down 16 since FY2020.
35	Aurora Tactical Group, LLC Top agencies DLA (Defense Logistics Agency)	$340,600	0.1%	Rank history: #25 in FY2022, #18 in FY2023, #41 in FY2024 and #17 in FY2025; up 5 since FY2020.
36	Teledyne Flir Defense, Inc. Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$334,482	0.1%	Rank history: #29 in FY2022, not on the FY2023 list, #12 in FY2024 and #7 in FY2025; new, not ranked in FY2020.
37	Stephen Paul Mangum Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$332,110	0.1%	Rank history: #47 in FY2022, #66 in FY2023, #36 in FY2024 and not on the FY2025 list; up 11 since FY2020.
38	Federal Resources Supply Company Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$310,430	0.1%	Rank history: #37 in FY2022 and not on the FY2023–FY2025 lists; up 15 since FY2020.
39	Rockwell Tactical Group LLC Top agencies Commerce (Department of Commerce)	$265,996	0.1%	Rank history: not on the FY2022 list, #63 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
40	Control Products Corporation Top agencies DLA (Defense Logistics Agency)	$249,611	0.1%	Rank history: #35 in FY2022, #38 in FY2023, #49 in FY2024 and #69 in FY2025; down 2 since FY2020.
41	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$245,654	0.1%	Rank history: not on the FY2022–FY2025 lists; up 80 since FY2020.
42	Senspex Incorporated Top agencies USAF (Department of the Air Force)	$226,833	0.1%	Rank history: not on the FY2022–FY2025 lists; up 19 since FY2020.
43	Karl Storz GMBH & Co. KG Through Karl Storz Endoscopy-America Inc. Top agencies VA (Department of Veterans Affairs)	$195,343	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
44	Tac2 Global LLC Top agencies DOS (Department of State)	$194,983	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
45	S I T Corporation Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$191,440	<0.1%	Rank history: #58 in FY2022, #89 in FY2023, #87 in FY2024 and #52 in FY2025; new, not ranked in FY2020.
46	Corning Incorporated Through Corning Netoptix Top agencies USSOCOM (United States Special Operations Command)	$179,310	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
47	Dan Enterprises Team LLC Top agencies DLA (Defense Logistics Agency)	$166,493	<0.1%	Rank history: #34 in FY2022, not on the FY2023 list, #22 in FY2024 and #43 in FY2025; down 15 since FY2020.
48	Telops Usa, Inc. Top agencies Army (Department of the Army)	$160,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
49	Loughmiller Machine, Tool & Design Top agencies DLA (Defense Logistics Agency)	$155,112	<0.1%	Rank history: not on the FY2022 list, #44 in FY2023, #46 in FY2024 and #28 in FY2025; up 31 since FY2020.
50	CFM International Inc. Top agencies DLA (Defense Logistics Agency)	$146,224	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
51	RSL Fiber Systems LLC Top agencies Navy (Department of the Navy)	$142,903	<0.1%	Rank history: #69 in FY2022, not on the FY2023–FY2024 lists and #64 in FY2025; up 18 since FY2020.
52	Tactical & Survival Specialties, LLC Top agencies DLA (Defense Logistics Agency)	$137,791	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 4 since FY2020.
53	ACG Systems, Inc. Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security)	$123,673	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
54	Interworld Highway, LLC Top agencies USAF (Department of the Air Force)	$112,531	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 3 since FY2020.
55	JMR Electronics, Inc. Top agencies USAF (Department of the Air Force)	$97,701	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
56	B.W.I. of KS. Inc. Top agencies DLA (Defense Logistics Agency)	$94,756	<0.1%	Rank history: #82 in FY2022 and not on the FY2023–FY2025 lists; up 10 since FY2020.
57	Weckworth Manufacturing, Inc. Top agencies DLA (Defense Logistics Agency)	$87,255	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 94 since FY2020.
58	Harris Corporation Top agencies DLA (Defense Logistics Agency)	$85,626	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 17 since FY2020.
59	Maxa Beam Searchlights, Inc. Top agencies DLA (Defense Logistics Agency) DOS (Department of State)	$82,306	<0.1%	Rank history: #38 in FY2022, #36 in FY2023, #20 in FY2024 and #23 in FY2025; up 15 since FY2020.
60	Global Access Supply Inc. Top agencies Army (Department of the Army)	$75,037	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
61	Cargotec OYJ Through Independent Rough Terrain Center LLC Top agencies DLA (Defense Logistics Agency)	$74,413	<0.1%	Rank history: #72 in FY2022, #76 in FY2023 and not on the FY2024–FY2025 lists; up 26 since FY2020.
62	Eurooptic, Limited Top agencies USDA (Department of Agriculture)	$73,200	<0.1%	Rank history: #79 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
63	Lceo LLC Top agencies USAF (Department of the Air Force) DOJ (Department of Justice)	$66,053	<0.1%	Rank history: #43 in FY2022, #50 in FY2023, #54 in FY2024 and not on the FY2025 list; up 9 since FY2020.
64	L3 Technologies, Inc. Top agencies DLA (Defense Logistics Agency)	$63,975	<0.1%	Rank history: #53 in FY2022 and not on the FY2023–FY2025 lists; down 33 since FY2020.
65	Divine Imaging Inc. Top agencies Army (Department of the Army)	$60,857	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 10 since FY2020.
66	Quantico Tactical Incorporated Top agencies DOT (Department of Transportation)	$60,438	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 6 since FY2020.
67	North End Group LLC Top agencies DLA (Defense Logistics Agency)	$60,214	<0.1%	Rank history: #61 in FY2022, #62 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
68	Aegis Electronic Group, Incorporated Top agencies Navy (Department of the Navy)	$59,500	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
69	Phoenix Trading Inc. Top agencies DLA (Defense Logistics Agency)	$57,369	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 29 since FY2020.
70	Night Vision Devices Inc. Top agencies DOS (Department of State) DOJ (Department of Justice) DOI (Department of the Interior)	$55,223	<0.1%	Rank history: #28 in FY2022, #82 in FY2023, #57 in FY2024 and not on the FY2025 list; down 36 since FY2020.
71	C and S Machine Inc. Top agencies USAF (Department of the Air Force)	$53,100	<0.1%	Rank history: not on the FY2022–FY2024 lists and #77 in FY2025; new, not ranked in FY2020.
72	Victor Forward LLC Top agencies USAF (Department of the Air Force)	$48,782	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
73	Olympus America Inc Top agencies HHS (Department of Health and Human Services)	$47,400	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
74	Echelon Supply and Service, Inc. Top agencies DLA (Defense Logistics Agency)	$45,576	<0.1%	Rank history: #68 in FY2022, #81 in FY2023 and not on the FY2024–FY2025 lists; up 9 since FY2020.
75	Tactical Support Equipment, Inc. Top agencies Navy (Department of the Navy)	$45,038	<0.1%	Rank history: not on the FY2022–FY2024 lists and #78 in FY2025; up 63 since FY2020.
76	Precision Metals Corp. Top agencies DLA (Defense Logistics Agency)	$44,895	<0.1%	Rank history: not on the FY2022–FY2024 lists and #55 in FY2025; up 6 since FY2020.
77	Noble Sales Co. Inc. Through Tactical & Survival Specialties, LLC Top agencies DHS (Department of Homeland Security)	$42,555	<0.1%	Rank history: not on the FY2022–FY2023 lists, #85 in FY2024 and #41 in FY2025; new, not ranked in FY2020.
78	B & H International LLC Top agencies USAF (Department of the Air Force)	$39,782	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
79	Par Defense Industries, LLC Top agencies DLA (Defense Logistics Agency)	$37,736	<0.1%	Rank history: not on the FY2022–FY2024 lists and #67 in FY2025; up 43 since FY2020.
80	Linsun Industrial Group LLC Top agencies Navy (Department of the Navy)	$37,120	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
81	Defense Venture Holdings, LLC Top agencies DLA (Defense Logistics Agency)	$36,927	<0.1%	Rank history: #60 in FY2022 and not on the FY2023–FY2025 lists; down 38 since FY2020.
82	FJW Optical Systems, Inc. Top agencies USAF (Department of the Air Force)	$36,546	<0.1%	Rank history: not on the FY2022 list, #95 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
83	Matbock LLC Top agencies USAF (Department of the Air Force)	$36,175	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
84	Horiba Ltd. Through Horiba Instruments Incorporated Top agencies Army (Department of the Army)	$36,036	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
85	Groupgets LLC Top agencies DOJ (Department of Justice)	$35,583	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
86	TNL Sales LLC Top agencies DLA (Defense Logistics Agency)	$34,601	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 57 since FY2020.
87	Vehicle Maintenance Program Inc. Top agencies DLA (Defense Logistics Agency)	$33,690	<0.1%	Rank history: #91 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
88	Sun Display Systems LLC Top agencies DLA (Defense Logistics Agency)	$33,350	<0.1%	Rank history: #67 in FY2022, #99 in FY2023, #99 in FY2024 and not on the FY2025 list; up 4 since FY2020.
89	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$32,057	<0.1%	Rank history: #50 in FY2022, #46 in FY2023, not on the FY2024 list and #62 in FY2025; down 45 since FY2020.
90	Dcx-Chol Enterprises, Inc. Top agencies DLA (Defense Logistics Agency)	$31,800	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 7 since FY2020.
91	Kongsberg Gruppen ASA Through Kongsberg Defence & Aerospace AS Top agencies Navy (Department of the Navy)	$30,628	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 13 since FY2020.
92	Moog Inc. Through Quickset Defense Technologies LLC Top agencies DHS (Department of Homeland Security)	$30,410	<0.1%	Rank history: #73 in FY2022, #85 in FY2023, #89 in FY2024 and not on the FY2025 list; up 40 since FY2020.
93	Goldbelt, Incorporated Through Goldbelt Security LLC Top agencies DOJ (Department of Justice)	$29,876	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
94	Advanced Electro Dynamics Inc. Top agencies DLA (Defense Logistics Agency)	$29,240	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
95	Red Orange North America Inc. Top agencies DOS (Department of State)	$28,545	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
96	Donatini, Inc. Top agencies DLA (Defense Logistics Agency)	$27,163	<0.1%	Rank history: #95 in FY2022, not on the FY2023 list, #33 in FY2024 and #100 in FY2025; new, not ranked in FY2020.
97	D&E Tool & Machine Inc. Top agencies DLA (Defense Logistics Agency)	$24,990	<0.1%	Rank history: not on the FY2022–FY2023 lists, #75 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
98	Scott Technologies, Inc. Top agencies Navy (Department of the Navy)	$24,982	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 28 since FY2020.
99	Pronto Tool & Die Co., Inc. Top agencies DLA (Defense Logistics Agency)	$22,636	<0.1%	Rank history: #59 in FY2022, #79 in FY2023, #77 in FY2024 and #70 in FY2025; down 13 since FY2020.
100	Raven Industries, Inc. Through Aerostar International, LLC Top agencies USAF (Department of the Air Force)	$22,216	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.

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100 of 137 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 $440 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 5855 contractors in FY2021?

1. Leonardo S.p.A. ($95.1M), 2. Lockheed Martin Corporation ($81.4M), 3. RTX Corporation ($66.9M), 4. L3Harris Technologies, Inc. ($65.2M), 5. Government of Canada ($39.7M), 6. Elbit Systems Ltd ($12.6M), 7. Flir Systems Inc. ($6.32M), 8. SAFRAN ($5.08M), 9. Rafael Advanced Defense Systems Ltd. ($4.82M), 10. Clear Align LLC ($4.6M).

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