Top 100 Contractors in NAICS 51741: Satellite Telecommunications, FY2025

Name: Top 100 Contractors in NAICS 51741: Satellite Telecommunications, FY2025
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2024 – Sep 30, 2025 Code page on GovTribe

The top 10 won 79% of FY2025 NAICS 51741 contract dollars

Contract obligations: $1,314,342,765 Net of deobligations, by contracts coded NAICS 51741 or a code under it
Contractors: 237 Parent companies with an obligation
Largest contractor: Space Exploration Technologies Corp. $296 million, 21.9% 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	Space Exploration Technologies Corp. 2 awardees Top agencies DISA (Defense Information Systems Agency) USAF (Department of the Air Force) Navy (Department of the Navy)	$296,174,934	21.9%	Rank history: #52 in FY2021, #30 in FY2022, #14 in FY2023 and #1 in FY2024; unchanged since FY2024.
2	SES Space & Defense Inc. 2 awardees, including Global Enterprise Solutions, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) USSOCOM (United States Special Operations Command)	$208,921,564	15.5%	Rank history: not on the FY2021–FY2023 lists and #11 in FY2024; up 9 since FY2024.
3	Inmarsat Government, Inc. 2 awardees Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$143,172,272	10.6%	Rank history: #51 in FY2021, not on the FY2022–FY2023 lists and #3 in FY2024; unchanged since FY2024.
4	Iridium Government Services LLC Top agencies DISA (Defense Information Systems Agency)	$105,959,509	7.8%	Rank history: not on the FY2021–FY2023 lists and #7 in FY2024; up 3 since FY2024.
5	Viasat Inc. 2 awardees Top agencies USAF (Department of the Air Force) Army (Department of the Army) DISA (Defense Information Systems Agency)	$90,405,788	6.7%	Rank history: #4 in FY2021, #2 in FY2022, #3 in FY2023 and #5 in FY2024; unchanged since FY2024.
6	Lite Coms LLC Top agencies Navy (Department of the Navy)	$84,992,328	6.3%	Rank history: not on the FY2021–FY2022 lists, #22 in FY2023 and #4 in FY2024; down 2 since FY2024.
7	L3Harris Technologies, Inc. 5 awardees, including L3Harris Technologies Integrated Systems L.P. and L3Harris Global Communications, Inc. Top agencies USAF (Department of the Air Force) DISA (Defense Information Systems Agency) Army (Department of the Army)	$47,017,421	3.5%	Rank history: #8 in FY2021, #6 in FY2022, #9 in FY2023 and #6 in FY2024; down 1 since FY2024.
8	Artel LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army) DOL (Department of Labor)	$35,839,552	2.7%	Rank history: #7 in FY2021, #9 in FY2022, #8 in FY2023 and #8 in FY2024; unchanged since FY2024.
9	Iridium Satellite LLC 2 awardees Top agencies DISA (Defense Information Systems Agency) USAF (Department of the Air Force)	$34,977,795	2.6%	Rank history: #1 in FY2021, #4 in FY2022, #2 in FY2023 and #13 in FY2024; up 4 since FY2024.
10	Intuitive Machines, LLC Top agencies NASA (National Aeronautics and Space Administration)	$22,690,000	1.7%	Rank history: not on the FY2021–FY2023 lists and #31 in FY2024; up 21 since FY2024.
11	Ritenet Corp. Top agencies DMA (Defense Media Activity) DISA (Defense Information Systems Agency) DHS (Department of Homeland Security)	$19,768,373	1.5%	Rank history: #12 in FY2021, #14 in FY2022, #10 in FY2023 and #15 in FY2024; up 4 since FY2024.
12	Cogitan LLC Top agencies USAF (Department of the Air Force)	$16,964,783	1.3%	Rank history: #10 in FY2021, #11 in FY2022, not on the FY2023 list and #16 in FY2024; up 4 since FY2024.
13	The Boeing Company 4 awardees, including Tapestry Solutions, Inc. Top agencies DISA (Defense Information Systems Agency) Army (Department of the Army)	$16,890,130	1.2%	Rank history: #9 in FY2021, #8 in FY2022, #6 in FY2023 and #10 in FY2024; down 3 since FY2024.
14	Satcom Direct Government, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DOJ (Department of Justice)	$16,484,871	1.2%	Rank history: not on the FY2021–FY2023 lists and #24 in FY2024; up 10 since FY2024.
15	Planet Labs Federal, Inc. Top agencies Navy (Department of the Navy)	$16,174,135	1.2%	Rank history: not on the FY2021–FY2024 lists; new.
16	Arctic Slope Regional Corporation Through Asrc Federal System Solutions LLC Top agencies USAF (Department of the Air Force)	$15,393,028	1.1%	Rank history: #13 in FY2021, #15 in FY2022, #18 in FY2023 and #18 in FY2024; up 2 since FY2024.
17	Lockheed Martin Corporation Top agencies USAF (Department of the Air Force)	$14,581,698	1.1%	Rank history: #16 in FY2021, #22 in FY2022, #13 in FY2023 and #20 in FY2024; up 3 since FY2024.
18	RTX Corporation Through Arinc Incorporated Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$9,912,746	0.7%	Rank history: #45 in FY2021, #19 in FY2022, #21 in FY2023 and #25 in FY2024; up 7 since FY2024.
19	Kratos Defense & Security Solutions Inc. Through Kratos S1, Inc. Top agencies USAF (Department of the Air Force) DISA (Defense Information Systems Agency)	$9,779,542	0.7%	Rank history: #18 in FY2021, #23 in FY2022, #19 in FY2023 and #22 in FY2024; up 3 since FY2024.
20	Nic4 Inc. Top agencies Army (Department of the Army) DOJ (Department of Justice) Navy (Department of the Navy)	$7,500,987	0.6%	Rank history: not on the FY2021–FY2024 lists; new.
21	Aleut Information Technology, LLC Top agencies USAF (Department of the Air Force)	$6,602,311	0.5%	Rank history: not on the FY2021–FY2022 lists, #27 in FY2023 and #29 in FY2024; up 8 since FY2024.
22	Northrop Grumman Corporation 2 awardees, including Northrop Grumman Systems Corporation Top agencies USAF (Department of the Air Force)	$5,702,859	0.4%	Rank history: #11 in FY2021, #12 in FY2022, #15 in FY2023 and #21 in FY2024; down 1 since FY2024.
23	Intelsat General Communications LLC Top agencies DMA (Defense Media Activity) USAGM (US Agency for Global Media) DISA (Defense Information Systems Agency)	$5,329,478	0.4%	Rank history: not on the FY2021–FY2022 lists, #23 in FY2023 and #28 in FY2024; up 5 since FY2024.
24	Trace Systems Inc. 2 awardees Top agencies DISA (Defense Information Systems Agency) USAF (Department of the Air Force) Navy (Department of the Navy)	$5,233,142	0.4%	Rank history: #44 in FY2021, #78 in FY2022, not on the FY2023 list and #54 in FY2024; up 30 since FY2024.
25	Peraton Government Communications Inc. Top agencies DOT (Department of Transportation) Army (Department of the Army)	$5,014,447	0.4%	Rank history: not on the FY2021–FY2023 lists and #35 in FY2024; up 10 since FY2024.
26	At&T Inc. 5 awardees, including At&T Enterprises, LLC, Directv, LLC and Att Mobility LLC Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice) Navy (Department of the Navy)	$4,647,700	0.3%	Rank history: not on the FY2021–FY2024 lists; up 99 since FY2024.
27	Ultisat Inc Top agencies Commerce (Department of Commerce) Army (Department of the Army) DOJ (Department of Justice)	$4,298,000	0.3%	Rank history: not on the FY2021–FY2023 lists and #34 in FY2024; up 7 since FY2024.
28	Amentum Holdings, Inc. 2 awardees, including Delta Bridge, Inc. and Amentum Services, Inc. Top agencies DOS (Department of State) VA (Department of Veterans Affairs) DOI (Department of the Interior)	$4,292,568	0.3%	Rank history: not on the FY2021–FY2023 lists and #83 in FY2024; up 55 since FY2024.
29	Telecom International LLC Top agencies DISA (Defense Information Systems Agency) Navy (Department of the Navy) Army (Department of the Army)	$3,938,552	0.3%	Rank history: #40 in FY2021, #41 in FY2022, #34 in FY2023 and #33 in FY2024; up 4 since FY2024.
30	Hawkeye 360, Inc. Top agencies Navy (Department of the Navy)	$3,401,992	0.3%	Rank history: not on the FY2021–FY2023 lists and #26 in FY2024; down 4 since FY2024.
31	Caci Nss, LLC Top agencies USAF (Department of the Air Force)	$2,965,600	0.2%	Rank history: #47 in FY2021, #13 in FY2022, #11 in FY2023 and not on the FY2024 list; returned.
32	Aperture Earth, Inc. Top agencies USAF (Department of the Air Force)	$2,932,907	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
33	Oneweb Technologies Inc. Top agencies USAF (Department of the Air Force) DISA (Defense Information Systems Agency) DOS (Department of State)	$2,921,520	0.2%	Rank history: not on the FY2021–FY2023 lists and #52 in FY2024; up 19 since FY2024.
34	Techno-Sciences Inc. Top agencies Commerce (Department of Commerce)	$2,917,329	0.2%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2024; up 9 since FY2024.
35	Comprehensive Approach LLC Top agencies VA (Department of Veterans Affairs)	$2,534,619	0.2%	Rank history: not on the FY2021–FY2023 lists and #42 in FY2024; up 7 since FY2024.
36	Rivertech LLC Top agencies Army (Department of the Army)	$2,110,478	0.2%	Rank history: #39 in FY2021, not on the FY2022–FY2023 lists and #37 in FY2024; up 1 since FY2024.
37	Goldbelt Frontier, LLC Top agencies OSD (Office of the Secretary of Defense)	$2,067,121	0.2%	Rank history: #28 in FY2021, #38 in FY2022, #37 in FY2023 and #47 in FY2024; up 10 since FY2024.
38	Genus Research Group, LLC Top agencies USAF (Department of the Air Force)	$1,775,892	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
39	Twoday Danmark A/S Top agencies Commerce (Department of Commerce)	$1,742,800	0.1%	Rank history: not on the FY2021–FY2022 lists, #71 in FY2023 and #45 in FY2024; up 6 since FY2024.
40	University of Hawaii Top agencies NASA (National Aeronautics and Space Administration)	$1,715,771	0.1%	Rank history: #61 in FY2021, not on the FY2022–FY2023 lists and #61 in FY2024; up 21 since FY2024.
41	Orbcomm, Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$1,564,554	0.1%	Rank history: #58 in FY2021, #54 in FY2022, #45 in FY2023 and #66 in FY2024; up 25 since FY2024.
42	Bushtex Inc. Top agencies DOS (Department of State) DHS (Department of Homeland Security) DOI (Department of the Interior)	$1,427,440	0.1%	Rank history: not on the FY2021–FY2023 lists and #50 in FY2024; up 8 since FY2024.
43	O.a.s. LLC Top agencies USDA (Department of Agriculture)	$1,331,492	0.1%	Rank history: not on the FY2021–FY2022 lists, #69 in FY2023 and #53 in FY2024; up 10 since FY2024.
44	Middle East Internet Co. Ltd. - Cyberia Top agencies DOS (Department of State)	$1,272,147	0.1%	Rank history: not on the FY2021–FY2023 lists and #58 in FY2024; up 14 since FY2024.
45	KVH Industries Inc. Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$1,182,527	0.1%	Rank history: #21 in FY2021, #16 in FY2022, #17 in FY2023 and #55 in FY2024; up 10 since FY2024.
46	Higher Ground LLC Top agencies USSOCOM (United States Special Operations Command) Navy (Department of the Navy) Army (Department of the Army)	$1,072,523	0.1%	Rank history: not on the FY2021–FY2023 lists and #48 in FY2024; up 2 since FY2024.
47	Vantor Inc. Top agencies Commerce (Department of Commerce)	$999,848	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
48	Lyman Communications LLC Top agencies USDA (Department of Agriculture)	$997,155	0.1%	Rank history: not on the FY2021–FY2023 lists and #59 in FY2024; up 11 since FY2024.
49	Initial Action Services, LLC Top agencies USDA (Department of Agriculture)	$987,778	0.1%	Rank history: not on the FY2021–FY2023 lists and #73 in FY2024; up 24 since FY2024.
50	Kongsberg Satellite Services AS Top agencies NASA (National Aeronautics and Space Administration)	$750,000	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
51	Emergency Support Services, LLC Top agencies USDA (Department of Agriculture)	$648,915	<0.1%	Rank history: not on the FY2021–FY2023 lists and #44 in FY2024; down 7 since FY2024.
52	Connecta Satellite Solutions LLC Top agencies DOT (Department of Transportation) DHS (Department of Homeland Security)	$648,022	<0.1%	Rank history: not on the FY2021 list, #51 in FY2022, #40 in FY2023 and #67 in FY2024; up 15 since FY2024.
53	NI Government Services Inc. Top agencies DHS (Department of Homeland Security) VA (Department of Veterans Affairs) DOL (Department of Labor)	$646,062	<0.1%	Rank history: #37 in FY2021, #44 in FY2022, #39 in FY2023 and #56 in FY2024; up 3 since FY2024.
54	Outerlink Corp Top agencies DHS (Department of Homeland Security)	$643,517	<0.1%	Rank history: not on the FY2021–FY2023 lists and #64 in FY2024; up 10 since FY2024.
55	Hughes Network Systems LLC Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy) DHS (Department of Homeland Security)	$615,734	<0.1%	Rank history: not on the FY2021–FY2023 lists and #100 in FY2024; up 45 since FY2024.
56	Metocean Telematics Limited Top agencies Commerce (Department of Commerce)	$612,124	<0.1%	Rank history: not on the FY2021 list, #99 in FY2022, #74 in FY2023 and #68 in FY2024; up 12 since FY2024.
57	Pathfinder Digital LLC Top agencies USAF (Department of the Air Force)	$576,935	<0.1%	Rank history: not on the FY2021–FY2023 lists and #65 in FY2024; up 8 since FY2024.
58	Port Graham Development Corporation Top agencies DOI (Department of the Interior)	$572,608	<0.1%	Rank history: not on the FY2021–FY2023 lists and #70 in FY2024; up 12 since FY2024.
59	Amerivet Contracting Top agencies USDA (Department of Agriculture)	$540,762	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 176 since FY2024.
60	SSC Space US Inc. Top agencies NASA (National Aeronautics and Space Administration)	$533,000	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
61	Louisiana Technology Group Inc. Top agencies Navy (Department of the Navy)	$505,931	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
62	All.space Networks, Inc. Top agencies Army (Department of the Army)	$500,122	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
63	Top Gun Lighting and Industrial Supplies, LLC Top agencies USDA (Department of Agriculture)	$495,893	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
64	Arqiva Limited Top agencies USAGM (US Agency for Global Media)	$474,943	<0.1%	Rank history: not on the FY2021–FY2022 lists, #46 in FY2023 and #72 in FY2024; up 8 since FY2024.
65	Expedition Communications LLC Top agencies DOI (Department of the Interior) DHS (Department of Homeland Security) VA (Department of Veterans Affairs)	$397,460	<0.1%	Rank history: not on the FY2021–FY2022 lists, #62 in FY2023 and #78 in FY2024; up 13 since FY2024.
66	Proximus SA Top agencies Army (Department of the Army) DOS (Department of State)	$390,976	<0.1%	Rank history: not on the FY2021–FY2023 lists and #82 in FY2024; up 16 since FY2024.
67	Globafone Inc. Top agencies DOJ (Department of Justice) DOI (Department of the Interior) DODEA (Department of Defense Education Activity)	$355,221	<0.1%	Rank history: #64 in FY2021, #60 in FY2022, #51 in FY2023 and #75 in FY2024; up 8 since FY2024.
68	Incident Communication Solutions LLC Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice)	$335,302	<0.1%	Rank history: not on the FY2021 list, #98 in FY2022 and not on the FY2023–FY2024 lists; returned.
69	406 Fire Logistics LLC Top agencies USDA (Department of Agriculture)	$328,750	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 50 since FY2024.
70	Image Management Systems, Inc. Top agencies DHRA (Defense Human Resources Activity)	$327,398	<0.1%	Rank history: not on the FY2021–FY2022 lists, #83 in FY2023 and #98 in FY2024; up 28 since FY2024.
71	Groove Technology Solutions Inc. Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) Navy (Department of the Navy)	$302,016	<0.1%	Rank history: not on the FY2021–FY2022 lists, #59 in FY2023 and #80 in FY2024; up 9 since FY2024.
72	HIB Technical Installation Services Inc Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$275,856	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 42 since FY2024.
73	Digisat International, Inc. Top agencies USAF (Department of the Air Force)	$247,665	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
74	Togiak Management Services, LLC Top agencies HHS (Department of Health and Human Services)	$239,400	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
75	Executive Broadband Communications, LLC Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy) USAF (Department of the Air Force)	$238,629	<0.1%	Rank history: not on the FY2021–FY2022 lists, #80 in FY2023 and #87 in FY2024; up 12 since FY2024.
76	Twisted Kelp LLC Top agencies USDA (Department of Agriculture)	$229,790	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 58 since FY2024.
77	Aegis Logistics LLC Top agencies USDA (Department of Agriculture)	$224,490	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 112 since FY2024.
78	Retirementhometv Corporation Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$214,113	<0.1%	Rank history: #92 in FY2021, #94 in FY2022, #70 in FY2023 and not on the FY2024 list; up 32 since FY2024.
79	Josefina Jaramillo Top agencies USDA (Department of Agriculture)	$211,720	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 96 since FY2024.
80	Strohman Enterprise Inc Top agencies Commerce (Department of Commerce) DOI (Department of the Interior) HHS (Department of Health and Human Services)	$202,321	<0.1%	Rank history: #73 in FY2021, #69 in FY2022, #56 in FY2023 and #90 in FY2024; up 10 since FY2024.
81	Backcountry Response, LLC Top agencies USDA (Department of Agriculture)	$201,455	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
82	Spot LLC Top agencies DOJ (Department of Justice) NTSB (National Transportation Safety Board) DOI (Department of the Interior)	$192,372	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 64 since FY2024.
83	Comsoft GMBH Top agencies DOT (Department of Transportation)	$192,058	<0.1%	Rank history: #71 in FY2021, #75 in FY2022, #65 in FY2023 and #85 in FY2024; up 2 since FY2024.
84	Testforce Usa, Inc. Top agencies Commerce (Department of Commerce)	$188,675	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
85	JA Media Group LLC Top agencies USDA (Department of Agriculture)	$183,400	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
86	Top Rail Enterprises, LLC Top agencies USDA (Department of Agriculture)	$181,598	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
87	The Woods Hole Group, Inc. Top agencies Commerce (Department of Commerce) DOI (Department of the Interior) Army (Department of the Army)	$177,555	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 21 since FY2024.
88	Western Wildfire LLC Top agencies USDA (Department of Agriculture)	$175,207	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 124 since FY2024.
89	Hermtac LLC Top agencies VA (Department of Veterans Affairs)	$175,095	<0.1%	Rank history: not on the FY2021–FY2023 lists and #49 in FY2024; down 40 since FY2024.
90	Cloudcasters, Inc. Top agencies USDA (Department of Agriculture)	$168,500	<0.1%	Rank history: not on the FY2021–FY2022 lists, #82 in FY2023 and #96 in FY2024; up 6 since FY2024.
91	Corp Ten International Top agencies Army (Department of the Army)	$161,200	<0.1%	Rank history: not on the FY2021–FY2023 lists and #84 in FY2024; down 7 since FY2024.
92	Ground Control Systems Top agencies USDA (Department of Agriculture) EPA (Environmental Protection Agency)	$153,600	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
93	NAL Research Corp Top agencies USDA (Department of Agriculture) DHS (Department of Homeland Security)	$149,292	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 13 since FY2024.
94	By Light Professional It Services LLC Top agencies USAF (Department of the Air Force)	$136,776	<0.1%	Rank history: not on the FY2021 list, #89 in FY2022, #77 in FY2023 and not on the FY2024 list; up 18 since FY2024.
95	Sure (Diego Garcia) Limited Top agencies DMA (Defense Media Activity) Navy (Department of the Navy)	$134,670	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 10 since FY2024.
96	Quadrigae Global Enterprises, Inc. Top agencies DOT (Department of Transportation) EPA (Environmental Protection Agency) DOI (Department of the Interior)	$129,681	<0.1%	Rank history: #80 in FY2021, #86 in FY2022, #84 in FY2023 and #91 in FY2024; down 5 since FY2024.
97	Globalstar Inc. Through Globalstar USA LLC Top agencies DOJ (Department of Justice) DOI (Department of the Interior)	$126,800	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 35 since FY2024.
98	MAK Technologies Inc. Through Idirect Government, LLC Top agencies DOT (Department of Transportation)	$121,073	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 33 since FY2024.
99	Pulsar Solutions Inc. Top agencies DOS (Department of State)	$119,250	<0.1%	Rank history: not on the FY2021–FY2022 lists, #91 in FY2023 and not on the FY2024 list; returned.
100	International Satellite Services, Inc. Top agencies DHS (Department of Homeland Security) DOI (Department of the Interior)	$118,868	<0.1%	Rank history: #74 in FY2021 and not on the FY2022–FY2024 lists; up 69 since FY2024.

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100 of 237 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 51741

Code	Net obligations	Largest contractor
517410 Satellite Telecommunications	$1,314,342,765	Space Exploration Technologies Corp.

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 $1.35 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 2025 ran Oct 1, 2024 – Sep 30, 2025. 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 FY2024. "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 FY2024 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 NAICS 51741 contractors in FY2025?

1. Space Exploration Technologies Corp. ($296M), 2. SES Space & Defense Inc. ($209M), 3. Inmarsat Government, Inc. ($143M), 4. Iridium Government Services LLC ($106M), 5. Viasat Inc. ($90.4M), 6. Lite Coms LLC ($85M), 7. L3Harris Technologies, Inc. ($47M), 8. Artel LLC ($35.8M), 9. Iridium Satellite LLC ($35M), 10. Intuitive Machines, LLC ($22.7M).

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