Top 100 Contractors in PSC 5855: Night Vision Equipment, Emitted and Reflected Radiation, FY2023

Name: Top 100 Contractors in PSC 5855: Night Vision Equipment, Emitted and Reflected Radiation, FY2023
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2022 – Sep 30, 2023 Code page on GovTribe

The top 10 won 90% of FY2023 PSC 5855 contract dollars

Contract obligations: $524,467,809 Net of deobligations, by contracts coded PSC 5855
Contractors: 134 Parent companies with an obligation
Largest contractor: RTX Corporation $189 million, 35.5% 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	RTX Corporation 8 awardees, including Raytheon Company, Rockwell Collins, Inc. and Sensors Unlimited Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$188,926,664	35.5%	Rank history: #3 in FY2021, #1 in FY2022, #2 in FY2024 and #4 in FY2025; unchanged since FY2022.
2	Leonardo S.p.A. 2 awardees, including DRS Network & Imaging Systems LLC Top agencies Army (Department of the Army) Navy (Department of the Navy) USSOCOM (United States Special Operations Command)	$138,816,228	26.1%	Rank history: #1 in FY2021, #2 in FY2022, #4 in FY2024 and #3 in FY2025; unchanged since FY2022.
3	L3Harris Technologies, Inc. 5 awardees, including Wescam Usa, Inc., L3 Technologies, Inc. and Harris Corporation Top agencies USSOCOM (United States Special Operations Command) Army (Department of the Army) Navy (Department of the Navy)	$55,813,164	10.5%	Rank history: #4 in FY2021, #3 in FY2022, #1 in FY2024 and #1 in FY2025; unchanged since FY2022.
4	Flir Systems Inc. 3 awardees, including Teledyne Flir Defense, Inc. and Teledyne Flir Commercial Systems Inc. Top agencies Army (Department of the Army) DHS (Department of Homeland Security) USAF (Department of the Air Force)	$34,043,897	6.4%	Rank history: #7 in FY2021, #5 in FY2022, #7 in FY2024 and not on the FY2025 list; up 1 since FY2022.
5	Msi-Defence Systems US, LLC Top agencies Navy (Department of the Navy)	$15,759,765	3.0%	Rank history: not on the FY2021–FY2022 lists, #48 in FY2024 and #16 in FY2025; new.
6	Regulus Global LLC Top agencies Army (Department of the Army)	$10,830,090	2.0%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
7	Rafael Advanced Defense Systems Ltd. Top agencies Navy (Department of the Navy)	$10,305,689	1.9%	Rank history: not on the FY2021 list, #8 in FY2022 and not on the FY2024–FY2025 lists; up 1 since FY2022.
8	Elbit Systems Ltd 2 awardees, including Elbit Systems of America - Night Vision LLC and Elbitamerica, Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) Navy (Department of the Navy)	$9,825,085	1.8%	Rank history: #6 in FY2021, #10 in FY2022, #3 in FY2024 and not on the FY2025 list; up 2 since FY2022.
9	Lockheed Martin Corporation 3 awardees, including Sikorsky Aircraft Corporation Top agencies Navy (Department of the Navy) Army (Department of the Army)	$8,218,635	1.5%	Rank history: #2 in FY2021, #17 in FY2022, #14 in FY2024 and #22 in FY2025; up 8 since FY2022.
10	CFM International Inc. Top agencies DLA (Defense Logistics Agency)	$7,027,740	1.3%	Rank history: not on the FY2021–FY2022 lists, #26 in FY2024 and #12 in FY2025; new.
11	Ball Corp Through BAE Systems Space & Mission Systems Inc. Top agencies Navy (Department of the Navy)	$5,377,413	1.0%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
12	Carson Industries, Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$4,994,047	0.9%	Rank history: #23 in FY2021, #12 in FY2022, #17 in FY2024 and #11 in FY2025; unchanged since FY2022.
13	Norotos, Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$4,692,994	0.9%	Rank history: not on the FY2021 list, #15 in FY2022, #8 in FY2024 and #9 in FY2025; up 2 since FY2022.
14	Theodor Wille Intertrade GMBH Through Atlantic Diving Supply, Inc. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security) DOJ (Department of Justice)	$3,811,829	0.7%	Rank history: #22 in FY2021, #16 in FY2022, #79 in FY2024 and not on the FY2025 list; up 2 since FY2022.
15	Optex Systems Inc. 2 awardees Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$3,746,242	0.7%	Rank history: not on the FY2021–FY2022 lists, #23 in FY2024 and not on the FY2025 list; up 88 since FY2022.
16	Clear Align LLC Top agencies DOT (Department of Transportation)	$2,900,000	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
17	Mission Analytics LLC Top agencies DHS (Department of Homeland Security)	$1,793,687	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
18	Aurora Tactical Group, LLC Top agencies DLA (Defense Logistics Agency)	$1,598,082	0.3%	Rank history: #35 in FY2021, #25 in FY2022, #41 in FY2024 and #17 in FY2025; up 7 since FY2022.
19	W S Darley & Co Top agencies USAF (Department of the Air Force)	$1,496,174	0.3%	Rank history: not on the FY2021 list, #21 in FY2022, #27 in FY2024 and #29 in FY2025; up 2 since FY2022.
20	Allied Defense Industries Inc. Top agencies DLA (Defense Logistics Agency)	$1,358,719	0.3%	Rank history: not on the FY2021 list, #20 in FY2022, #35 in FY2024 and not on the FY2025 list; unchanged since FY2022.
21	DRS Global Enterprise Solutions Inc Through Leonardo UK Ltd Top agencies Navy (Department of the Navy)	$1,077,933	0.2%	Rank history: not on the FY2021–FY2022 lists, #40 in FY2024 and not on the FY2025 list; new.
22	CNC Technologies LLC Top agencies USDA (Department of Agriculture)	$1,021,350	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #31 in FY2025; new.
23	Airtronics, LLC Top agencies DLA (Defense Logistics Agency)	$982,919	0.2%	Rank history: #30 in FY2021, #33 in FY2022, #24 in FY2024 and not on the FY2025 list; up 10 since FY2022.
24	Interlog Corporation Top agencies DLA (Defense Logistics Agency)	$788,101	0.1%	Rank history: #33 in FY2021, #27 in FY2022, #30 in FY2024 and #34 in FY2025; up 3 since FY2022.
25	B.e. Meyers & Co., Inc. Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$744,450	0.1%	Rank history: not on the FY2021–FY2022 lists, #9 in FY2024 and #20 in FY2025; new.
26	Rockwell Collins-ESA Vision Systems Limited Liability Compan Through Collins Elbit Vision Systems, LLC Top agencies Navy (Department of the Navy)	$687,754	0.1%	Rank history: #25 in FY2021, #11 in FY2022 and not on the FY2024–FY2025 lists; down 15 since FY2022.
27	Nightline Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$683,978	0.1%	Rank history: not on the FY2021–FY2022 lists, #28 in FY2024 and #33 in FY2025; new.
28	Rev-Cap Company, Inc. Top agencies DLA (Defense Logistics Agency)	$539,964	0.1%	Rank history: not on the FY2021 list, #63 in FY2022, #51 in FY2024 and not on the FY2025 list; up 35 since FY2022.
29	Integrated Procurement Technologies Top agencies DLA (Defense Logistics Agency)	$536,831	0.1%	Rank history: not on the FY2021–FY2022 lists, #45 in FY2024 and #32 in FY2025; new.
30	Teledyne Technologies Incorporated 2 awardees, including Teledyne Flir Defense, Inc. Top agencies Navy (Department of the Navy)	$525,904	0.1%	Rank history: #12 in FY2021, #7 in FY2022, #38 in FY2024 and #18 in FY2025; down 23 since FY2022.
31	SAFRAN Through Safran Defense & Space, Inc. Top agencies Navy (Department of the Navy) USSOCOM (United States Special Operations Command) DLA (Defense Logistics Agency)	$490,396	0.1%	Rank history: #8 in FY2021, #6 in FY2022 and not on the FY2024–FY2025 lists; down 25 since FY2022.
32	Wilcox Industries Corp. Top agencies Navy (Department of the Navy)	$468,651	0.1%	Rank history: #32 in FY2021, #18 in FY2022, #39 in FY2024 and #25 in FY2025; down 14 since FY2022.
33	Telops Inc. Top agencies USAF (Department of the Air Force)	$446,187	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
34	Heico Aerospace Corporat Through Santa Barbara Infrared, Inc. Top agencies Navy (Department of the Navy)	$397,092	0.1%	Rank history: not on the FY2021 list, #32 in FY2022 and not on the FY2024–FY2025 lists; down 2 since FY2022.
35	Triman Industries Inc. Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$393,169	0.1%	Rank history: #28 in FY2021, #39 in FY2022, #32 in FY2024 and #76 in FY2025; up 4 since FY2022.
36	Maxa Beam Searchlights, Inc. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$371,122	0.1%	Rank history: #59 in FY2021, #38 in FY2022, #20 in FY2024 and #23 in FY2025; up 2 since FY2022.
37	Rrds Inc. Top agencies Army (Department of the Army)	$355,469	0.1%	Rank history: #18 in FY2021, #31 in FY2022, #25 in FY2024 and #21 in FY2025; down 6 since FY2022.
38	Control Products Corporation Top agencies DLA (Defense Logistics Agency)	$341,342	0.1%	Rank history: #40 in FY2021, #35 in FY2022, #49 in FY2024 and #69 in FY2025; down 3 since FY2022.
39	Contour Metrological & Manufacturing, Inc. Top agencies USDA (Department of Agriculture)	$299,570	0.1%	Rank history: not on the FY2021–FY2022 lists, #55 in FY2024 and not on the FY2025 list; new.
40	N-Vision Optics, LLC Top agencies Army (Department of the Army) GSA (General Services Administration) USDA (Department of Agriculture)	$288,857	0.1%	Rank history: not on the FY2021 list, #19 in FY2022, #43 in FY2024 and not on the FY2025 list; down 21 since FY2022.
41	Madison Electric Co Top agencies DLA (Defense Logistics Agency)	$288,850	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 77 since FY2022.
42	Pioneer Industries, LLC Top agencies Navy (Department of the Navy)	$277,201	0.1%	Rank history: not on the FY2021 list, #54 in FY2022 and not on the FY2024–FY2025 lists; up 12 since FY2022.
43	DAN Enterprises Team LLC Top agencies DLA (Defense Logistics Agency)	$211,522	<0.1%	Rank history: not on the FY2021–FY2022 lists, #22 in FY2024 and #43 in FY2025; new.
44	Loughmiller Machine, Tool & Design Top agencies DLA (Defense Logistics Agency)	$198,832	<0.1%	Rank history: #49 in FY2021, not on the FY2022 list, #46 in FY2024 and #28 in FY2025; up 57 since FY2022.
45	Govaged Inc. Top agencies USAF (Department of the Air Force)	$195,720	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
46	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$185,466	<0.1%	Rank history: #89 in FY2021, #50 in FY2022, not on the FY2024 list and #62 in FY2025; up 4 since FY2022.
47	Renaissance Sciences Corp Through Night Readiness LLC Top agencies USAF (Department of the Air Force)	$173,998	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
48	Semiconductor Devices - An Elbit Systems-Rafael Partnership Through Quantum Imaging Inc. Top agencies Navy (Department of the Navy)	$145,109	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
49	General Starlight Co. Inc. Top agencies USAF (Department of the Air Force)	$137,182	<0.1%	Rank history: not on the FY2021 list, #100 in FY2022, not on the FY2024 list and #93 in FY2025; up 51 since FY2022.
50	Lceo LLC Top agencies Army (Department of the Army) DHS (Department of Homeland Security)	$130,447	<0.1%	Rank history: #63 in FY2021, #43 in FY2022, #54 in FY2024 and not on the FY2025 list; down 7 since FY2022.
51	Integrity Defense Services Inc. Top agencies USAF (Department of the Air Force)	$120,365	<0.1%	Rank history: not on the FY2021–FY2022 lists, #58 in FY2024 and not on the FY2025 list; new.
52	Centrak Inc. Through Labsphere, Inc. Top agencies Navy (Department of the Navy)	$114,024	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
53	Dick Medical Supply, Inc. Top agencies DLA (Defense Logistics Agency)	$104,278	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
54	Noble Supply & Logistics LLC 2 awardees Top agencies DOI (Department of the Interior)	$102,840	<0.1%	Rank history: not on the FY2021 list, #56 in FY2022 and not on the FY2024–FY2025 lists; up 2 since FY2022.
55	Hydrocore Concepts LLC Top agencies DOI (Department of the Interior)	$98,700	<0.1%	Rank history: not on the FY2021 list, #94 in FY2022 and not on the FY2024–FY2025 lists; up 39 since FY2022.
56	Boneal, Incorporated Top agencies USAF (Department of the Air Force)	$95,592	<0.1%	Rank history: not on the FY2021 list, #44 in FY2022 and not on the FY2024–FY2025 lists; down 12 since FY2022.
57	L3HARRIS Aviation Products Inc Through L3 Technologies, Inc. Top agencies DHS (Department of Homeland Security)	$94,290	<0.1%	Rank history: not on the FY2021–FY2022 lists, #15 in FY2024 and not on the FY2025 list; new.
58	Aviation Specialties Unlimited, Inc. Top agencies DHS (Department of Homeland Security) USDA (Department of Agriculture)	$90,611	<0.1%	Rank history: #24 in FY2021, #9 in FY2022, not on the FY2024 list and #58 in FY2025; down 49 since FY2022.
59	Burhani Enterprises Inc. Top agencies DHS (Department of Homeland Security)	$87,608	<0.1%	Rank history: not on the FY2021 list, #49 in FY2022 and not on the FY2024–FY2025 lists; down 10 since FY2022.
60	Nord / Atlantic Trading, Inc. Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice) USDA (Department of Agriculture)	$78,186	<0.1%	Rank history: not on the FY2021–FY2022 lists, #52 in FY2024 and not on the FY2025 list; new.
61	BTI Communications Group Limited Top agencies USAF (Department of the Air Force)	$74,620	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
62	North End Group LLC Top agencies DLA (Defense Logistics Agency)	$73,630	<0.1%	Rank history: #67 in FY2021, #61 in FY2022 and not on the FY2024–FY2025 lists; down 1 since FY2022.
63	Rockwell Tactical Group LLC Top agencies Commerce (Department of Commerce)	$70,656	<0.1%	Rank history: #39 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
64	General Electric Company Through GE Aviation Systems LLC Top agencies DHS (Department of Homeland Security)	$70,574	<0.1%	Rank history: not on the FY2021 list, #78 in FY2022 and not on the FY2024–FY2025 lists; up 14 since FY2022.
65	Government of Canada Through Canadian Commercial Corporation Top agencies Navy (Department of the Navy)	$63,432	<0.1%	Rank history: #5 in FY2021, #4 in FY2022 and not on the FY2024–FY2025 lists; down 61 since FY2022.
66	Stephen Paul Mangum Top agencies USAF (Department of the Air Force)	$63,400	<0.1%	Rank history: #37 in FY2021, #47 in FY2022, #36 in FY2024 and not on the FY2025 list; down 19 since FY2022.
67	Z Bar Supply Company LLC Top agencies DHS (Department of Homeland Security)	$50,512	<0.1%	Rank history: not on the FY2021 list, #57 in FY2022 and not on the FY2024–FY2025 lists; down 10 since FY2022.
68	Princeton Infrared Technologies Inc. Top agencies National Gallery of Art	$50,000	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
69	Mig Gov, LLC Top agencies USAF (Department of the Air Force)	$49,509	<0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #80 in FY2025; new.
70	Alek Industries Inc. Top agencies DLA (Defense Logistics Agency)	$48,457	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 61 since FY2022.
71	US21 Inc Top agencies USDA (Department of Agriculture)	$46,330	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
72	H.l. Dalis, Inc. Top agencies USDA (Department of Agriculture)	$45,436	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
73	PPD Development LP Through Thermo Eberline LLC Top agencies EPA (Environmental Protection Agency)	$45,190	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
74	Airbus DS Military Aircraft Inc. Top agencies DHS (Department of Homeland Security)	$44,025	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
75	Viken Detection Corporation Top agencies DOJ (Department of Justice)	$42,931	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
76	Cargotec OYJ Through Independent Rough Terrain Center LLC Top agencies DLA (Defense Logistics Agency)	$40,142	<0.1%	Rank history: #61 in FY2021, #72 in FY2022 and not on the FY2024–FY2025 lists; down 4 since FY2022.
77	Chemring Group PLC Through Chemring Energetic Devices Inc. Top agencies USAF (Department of the Air Force)	$36,400	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
78	Industrial Strength Industries LLC Top agencies USAF (Department of the Air Force)	$34,485	<0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #92 in FY2025; new.
79	Pronto Tool & Die Co., Inc. Top agencies DLA (Defense Logistics Agency)	$31,061	<0.1%	Rank history: #99 in FY2021, #59 in FY2022, #77 in FY2024 and #70 in FY2025; down 20 since FY2022.
80	Cejay Engineering, LLC Top agencies DLA (Defense Logistics Agency)	$30,416	<0.1%	Rank history: #17 in FY2021, #24 in FY2022, not on the FY2024 list and #94 in FY2025; down 56 since FY2022.
81	Echelon Supply and Service, Inc. Top agencies DLA (Defense Logistics Agency)	$30,312	<0.1%	Rank history: #74 in FY2021, #68 in FY2022 and not on the FY2024–FY2025 lists; down 13 since FY2022.
82	Night Vision Devices Inc. Top agencies DOI (Department of the Interior)	$30,296	<0.1%	Rank history: #70 in FY2021, #28 in FY2022, #57 in FY2024 and not on the FY2025 list; down 54 since FY2022.
83	Security Marketing Consultants International, LLC Top agencies Army (Department of the Army)	$28,799	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
84	AGI UK Acquisition Limited Through Hoffman Engineering, LLC Top agencies Navy (Department of the Navy)	$28,173	<0.1%	Rank history: not on the FY2021–FY2022 lists, #66 in FY2024 and #59 in FY2025; new.
85	Moog Inc. Through Quickset Defense Technologies LLC Top agencies DHS (Department of Homeland Security)	$26,867	<0.1%	Rank history: #92 in FY2021, #73 in FY2022, #89 in FY2024 and not on the FY2025 list; down 12 since FY2022.
86	Sellmark Corporation Top agencies USDA (Department of Agriculture)	$25,500	<0.1%	Rank history: not on the FY2021 list, #99 in FY2022, #81 in FY2024 and not on the FY2025 list; up 13 since FY2022.
87	H C Merchandisers, Inc. Top agencies DLA (Defense Logistics Agency)	$24,504	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 48 since FY2022.
88	International Television Corp Top agencies DOI (Department of the Interior)	$23,806	<0.1%	Rank history: not on the FY2021–FY2022 lists, #34 in FY2024 and #50 in FY2025; new.
89	S I T Corporation Top agencies DLA (Defense Logistics Agency)	$23,443	<0.1%	Rank history: #45 in FY2021, #58 in FY2022, #87 in FY2024 and #52 in FY2025; down 31 since FY2022.
90	Valipharm Inc. Top agencies DLA (Defense Logistics Agency)	$22,950	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 37 since FY2022.
91	North America Fire Equipment Co Inc. Top agencies DOJ (Department of Justice)	$22,603	<0.1%	Rank history: not on the FY2021 list, #96 in FY2022 and not on the FY2024–FY2025 lists; up 5 since FY2022.
92	Caprice Electronics, Inc. Top agencies USAF (Department of the Air Force)	$21,821	<0.1%	Rank history: not on the FY2021–FY2022 lists, #29 in FY2024 and #53 in FY2025; up 16 since FY2022.
93	Nivisys, LLC Top agencies DLA (Defense Logistics Agency)	$21,450	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 24 since FY2022.
94	Reconyx, Inc. Top agencies USDA (Department of Agriculture)	$20,948	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
95	FJW Optical Systems, Inc. Top agencies USAF (Department of the Air Force)	$20,177	<0.1%	Rank history: #82 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 27 since FY2022.
96	AGM Global Vision LLC Top agencies USDA (Department of Agriculture)	$19,735	<0.1%	Rank history: not on the FY2021–FY2022 lists, #96 in FY2024 and not on the FY2025 list; new.
97	Aardvark Top agencies DHS (Department of Homeland Security)	$16,313	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
98	P & R Technologies Inc. Top agencies USDA (Department of Agriculture)	$16,200	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
99	Sun Display Systems LLC Top agencies DHS (Department of Homeland Security)	$15,824	<0.1%	Rank history: #88 in FY2021, #67 in FY2022, #99 in FY2024 and not on the FY2025 list; down 32 since FY2022.
100	Aish Technologies Ltd Through Hoffman Engineering, LLC Top agencies USAF (Department of the Air Force)	$14,716	<0.1%	Rank history: #16 in FY2021, #70 in FY2022 and not on the FY2024–FY2025 lists; down 30 since FY2022.

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100 of 134 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 $532 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 2023 ran Oct 1, 2022 – Sep 30, 2023. 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 FY2022. "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 FY2022 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 FY2023?

1. RTX Corporation ($189M), 2. Leonardo S.p.A. ($139M), 3. L3Harris Technologies, Inc. ($55.8M), 4. Flir Systems Inc. ($34M), 5. Msi-Defence Systems US, LLC ($15.8M), 6. Regulus Global LLC ($10.8M), 7. Rafael Advanced Defense Systems Ltd. ($10.3M), 8. Elbit Systems Ltd ($9.83M), 9. Lockheed Martin Corporation ($8.22M), 10. CFM International Inc. ($7.03M).

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