Top 100 Contractors in PSC D304: ADP Telecommunications and Transmission Services, FY2025

Name: Top 100 Contractors in PSC D304: ADP Telecommunications and Transmission Services, FY2025
Creator: GovTribe

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

The top 10 won 85% of FY2025 PSC D304 contract dollars

Contract obligations: $926,381,883 Net of deobligations, by contracts coded PSC D304
Contractors: 121 Parent companies with an obligation
Largest contractor: At&T Inc. $442 million, 41.4% 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	At&T Inc. 18 awardees, including At&T Enterprises, LLC, Att Mobility LLC and Bellsouth Telecommunications, LLC Top agencies VA (Department of Veterans Affairs) DISA (Defense Information Systems Agency) DOT (Department of Transportation)	$442,228,593	41.4%	Rank history: #1 in FY2021, #2 in FY2022, #1 in FY2023 and #1 in FY2024; unchanged since FY2024.
2	Lumen Technologies Government Solutions, Inc. 2 awardees Top agencies VA (Department of Veterans Affairs) DOI (Department of the Interior) SSA (Social Security Administration)	$169,754,173	15.9%	Rank history: not on the FY2021 list, #4 in FY2022, not on the FY2023 list and #5 in FY2024; up 3 since FY2024.
3	Verizon 9 awardees, including Verizon Business Network Services LLC, MCI Communications Services LLC and Verizon Deutschland GMBH Top agencies Treasury (Department of the Treasury) SSA (Social Security Administration) DOL (Department of Labor)	$105,769,971	9.9%	Rank history: not on the FY2021–FY2023 lists and #3 in FY2024; unchanged since FY2024.
4	Viasat Inc. Top agencies USAF (Department of the Air Force) DISA (Defense Information Systems Agency) Navy (Department of the Navy)	$70,674,701	6.6%	Rank history: #4 in FY2021, #3 in FY2022, #4 in FY2023 and #4 in FY2024; unchanged since FY2024.
5	Leidos Holdings, Inc. Through Leidos, Inc. Top agencies Army (Department of the Army)	$55,127,453	5.2%	Rank history: #19 in FY2021, #8 in FY2022, #5 in FY2023 and #6 in FY2024; up 1 since FY2024.
6	L3Harris Technologies, Inc. Through L3Harris Technologies Integrated Systems L.P. Top agencies DISA (Defense Information Systems Agency)	$21,132,366	2.0%	Rank history: #7 in FY2021, #7 in FY2022, #6 in FY2023 and #7 in FY2024; up 1 since FY2024.
7	Manhattan Telecommunications Corporation LLC Top agencies GSA (General Services Administration) Navy (Department of the Navy) USAF (Department of the Air Force)	$12,385,822	1.2%	Rank history: #53 in FY2021, #24 in FY2022, #15 in FY2023 and #10 in FY2024; up 3 since FY2024.
8	Pacarctic, LLC Top agencies DOS (Department of State)	$12,258,467	1.1%	Rank history: not on the FY2021–FY2023 lists and #22 in FY2024; up 14 since FY2024.
9	SES Space & Defense Inc. 2 awardees, including Global Enterprise Solutions, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$10,170,145	1.0%	Rank history: not on the FY2021–FY2024 lists; new.
10	Ritenet Corp. Top agencies DISA (Defense Information Systems Agency) Army (Department of the Army) DMA (Defense Media Activity)	$5,582,610	0.5%	Rank history: #16 in FY2021, #20 in FY2022, #13 in FY2023 and #17 in FY2024; up 7 since FY2024.
11	Peraton Government Communications Inc. Top agencies DOT (Department of Transportation) DISA (Defense Information Systems Agency) Army (Department of the Army)	$3,641,627	0.3%	Rank history: not on the FY2021–FY2023 lists and #24 in FY2024; up 13 since FY2024.
12	At&T Technical Services Company, Inc. Top agencies DISA (Defense Information Systems Agency)	$3,222,875	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
13	Granite Telecommunications, LLC Top agencies Treasury (Department of the Treasury) DISA (Defense Information Systems Agency) SEC (Securities and Exchange Commission)	$3,173,876	0.3%	Rank history: #78 in FY2021, #50 in FY2022, #26 in FY2023 and #23 in FY2024; up 10 since FY2024.
14	By Light Professional It Services LLC Top agencies DISA (Defense Information Systems Agency)	$2,766,072	0.3%	Rank history: #37 in FY2021, #35 in FY2022, #24 in FY2023 and #26 in FY2024; up 12 since FY2024.
15	Lumen Technologies, Inc. 3 awardees, including Level 3 Communications, LLC and Centurytel of Monroe County, LLC Top agencies DISA (Defense Information Systems Agency) USAF (Department of the Air Force) Army (Department of the Army)	$2,570,623	0.2%	Rank history: #3 in FY2021, #13 in FY2022, #3 in FY2023 and #2 in FY2024; down 13 since FY2024.
16	Comprehensive Approach LLC Top agencies VA (Department of Veterans Affairs)	$2,534,619	0.2%	Rank history: not on the FY2021–FY2023 lists and #28 in FY2024; up 12 since FY2024.
17	Kingdom of Saudi Arabia Through STC Bahrain B.s.c Closed Top agencies USAF (Department of the Air Force) USSOCOM (United States Special Operations Command) Navy (Department of the Navy)	$2,486,800	0.2%	Rank history: not on the FY2021–FY2023 lists and #44 in FY2024; up 27 since FY2024.
18	GTT Global Telecom Government Services, LLC Top agencies DISA (Defense Information Systems Agency) Navy (Department of the Navy) USAF (Department of the Air Force)	$2,378,694	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
19	United Telephone Company of the Northwest Top agencies Navy (Department of the Navy)	$2,280,760	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
20	Beyon B.s.c Top agencies DISA (Defense Information Systems Agency) Army (Department of the Army) Navy (Department of the Navy)	$2,243,825	0.2%	Rank history: not on the FY2021–FY2022 lists, #72 in FY2023 and #36 in FY2024; up 16 since FY2024.
21	Qualitynet General Trading and Contracting Company WLL Top agencies Army (Department of the Army) DISA (Defense Information Systems Agency)	$1,933,539	0.2%	Rank history: not on the FY2021–FY2022 lists, #27 in FY2023 and #40 in FY2024; up 19 since FY2024.
22	Kratos Defense & Security Solutions Inc. Through Kratos S1, Inc. Top agencies DISA (Defense Information Systems Agency)	$1,385,212	0.1%	Rank history: #42 in FY2021, #49 in FY2022, #28 in FY2023 and #21 in FY2024; down 1 since FY2024.
23	Onevoice Government Solutions LLC Top agencies Navy (Department of the Navy) MDA (DOD Missile Defense Agency) Army (Department of the Army)	$1,204,457	0.1%	Rank history: not on the FY2021–FY2023 lists and #57 in FY2024; up 34 since FY2024.
24	Simba Enterprises LLC Top agencies USAF (Department of the Air Force)	$1,002,216	0.1%	Rank history: #41 in FY2021, #44 in FY2022, #39 in FY2023 and #46 in FY2024; up 22 since FY2024.
25	RX3 Communications Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DISA (Defense Information Systems Agency)	$965,003	0.1%	Rank history: not on the FY2021–FY2024 lists; up 79 since FY2024.
26	Iconectiv, LLC Top agencies GSA (General Services Administration)	$832,009	0.1%	Rank history: not on the FY2021–FY2023 lists and #19 in FY2024; down 7 since FY2024.
27	Scopsky for Communications, Internet and Technology Services, A Limited Liability Company Top agencies Army (Department of the Army)	$804,000	0.1%	Rank history: not on the FY2021–FY2022 lists, #78 in FY2023 and #61 in FY2024; up 34 since FY2024.
28	Bringcom Incorporated Top agencies Army (Department of the Army)	$726,168	0.1%	Rank history: not on the FY2021–FY2022 lists, #46 in FY2023 and #37 in FY2024; up 9 since FY2024.
29	Deutsche Telekom Business Solutions GMBH Through T-Systems International GMBH Top agencies Army (Department of the Army) DISA (Defense Information Systems Agency) USAF (Department of the Air Force)	$678,977	0.1%	Rank history: #46 in FY2021, #51 in FY2022, not on the FY2023 list and #64 in FY2024; up 35 since FY2024.
30	BT Americas Inc. 2 awardees, including 22Nd Century Networks, Inc. and British Telecommunications Public Limited Company Top agencies Army (Department of the Army) MDA (DOD Missile Defense Agency) USAF (Department of the Air Force)	$639,943	0.1%	Rank history: not on the FY2021–FY2022 lists, #51 in FY2023 and #56 in FY2024; up 26 since FY2024.
31	Turk Telekomunikasyon Anonim Sirketi Top agencies USAF (Department of the Air Force) DISA (Defense Information Systems Agency)	$582,936	0.1%	Rank history: not on the FY2021–FY2023 lists and #66 in FY2024; up 35 since FY2024.
32	Cox Enterprises, Inc. Through Cox Communications Hampton Roads, L.L.C. Top agencies Navy (Department of the Navy)	$503,615	<0.1%	Rank history: #64 in FY2021, #56 in FY2022, #42 in FY2023 and #75 in FY2024; up 43 since FY2024.
33	Abacus Technology Corporation Top agencies USAF (Department of the Air Force)	$482,982	<0.1%	Rank history: #17 in FY2021, #18 in FY2022, #17 in FY2023 and #12 in FY2024; down 21 since FY2024.
34	Cavalier Telephone, L.L.C. Top agencies DISA (Defense Information Systems Agency) USAF (Department of the Air Force) Army (Department of the Army)	$424,195	<0.1%	Rank history: #57 in FY2021, #36 in FY2022, #60 in FY2023 and #54 in FY2024; up 20 since FY2024.
35	EPS Corporation Top agencies USAF (Department of the Air Force)	$293,711	<0.1%	Rank history: #60 in FY2021, #84 in FY2022, #56 in FY2023 and #53 in FY2024; up 18 since FY2024.
36	Zayo Group LLC Top agencies Smithsonian (Smithsonian Institution) DISA (Defense Information Systems Agency) USAF (Department of the Air Force)	$271,849	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
37	Southern Light LLC Top agencies DISA (Defense Information Systems Agency) DHA (Defense Health Agency) Navy (Department of the Navy)	$267,471	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
38	Reti Telematiche Italiane S.p.a., In Forma Abbreviata Retelit S. P.a. Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$197,415	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 87 since FY2024.
39	Comcast of Connecticut Inc 2 awardees, including Comcast Business Communications, LLC and Comcast Cable Communications, LLC Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) DCSA (Defense Counterintelligence and Security Agency)	$192,216	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
40	Carroll Woods Inc. Top agencies DISA (Defense Information Systems Agency) DMA (Defense Media Activity) Army (Department of the Army)	$181,773	<0.1%	Rank history: not on the FY2021 list, #82 in FY2022, #67 in FY2023 and #62 in FY2024; up 22 since FY2024.
41	Tuknik Government Services LLC Top agencies Commerce (Department of Commerce)	$174,936	<0.1%	Rank history: not on the FY2021–FY2023 lists and #39 in FY2024; down 2 since FY2024.
42	Globafone Inc. Top agencies DOJ (Department of Justice)	$152,903	<0.1%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2023 and #70 in FY2024; up 28 since FY2024.
43	ACS of Anchorage LLC 2 awardees, including ACS of Alaska, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$129,139	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 91 since FY2024.
44	Telecom Italia SPA O TIM S.P.a. Top agencies USAF (Department of the Air Force) DCMA (Defense Contract Management Agency) DHA (Defense Health Agency)	$117,989	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 71 since FY2024.
45	3Links Technologies, Inc. Top agencies Navy (Department of the Navy)	$113,934	<0.1%	Rank history: #95 in FY2021, #66 in FY2022, #52 in FY2023 and #63 in FY2024; up 18 since FY2024.
46	Channing L Kearney Top agencies Navy (Department of the Navy)	$94,265	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 63 since FY2024.
47	Iron-Shield Network Solutions LLC Top agencies USAF (Department of the Air Force) DISA (Defense Information Systems Agency) Navy (Department of the Navy)	$92,856	<0.1%	Rank history: not on the FY2021–FY2023 lists and #91 in FY2024; up 44 since FY2024.
48	Hawaiian Telcom Federal LLC Top agencies Navy (Department of the Navy)	$89,808	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
49	Fedstore Corporation Top agencies VA (Department of Veterans Affairs)	$88,720	<0.1%	Rank history: not on the FY2021–FY2022 lists, #94 in FY2023 and #87 in FY2024; up 38 since FY2024.
50	Centurylink of Florida, Inc. Top agencies USAF (Department of the Air Force)	$85,495	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 73 since FY2024.
51	Hyperion Inc. Top agencies Navy (Department of the Navy)	$85,401	<0.1%	Rank history: not on the FY2021–FY2023 lists and #88 in FY2024; up 37 since FY2024.
52	Opencape Corporation Top agencies DISA (Defense Information Systems Agency)	$84,883	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
53	Telecom International LLC Top agencies Navy (Department of the Navy)	$81,096	<0.1%	Rank history: not on the FY2021–FY2023 lists and #84 in FY2024; up 31 since FY2024.
54	QXC Communications Inc. Top agencies Navy (Department of the Navy) DISA (Defense Information Systems Agency) Army (Department of the Army)	$80,818	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
55	Telecommunication Solutions Group Inc. Top agencies DHA (Defense Health Agency) Navy (Department of the Navy)	$78,050	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
56	Proximus SA Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$76,414	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 66 since FY2024.
57	Cox Virginia Telcom, L.l.c Top agencies DISA (Defense Information Systems Agency) DHA (Defense Health Agency)	$76,308	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
58	Ultisat Inc Top agencies DOL (Department of Labor) USAF (Department of the Air Force)	$73,026	<0.1%	Rank history: not on the FY2021–FY2023 lists and #71 in FY2024; up 13 since FY2024.
59	Crown Castle Fiber LLC Top agencies OSD (Office of the Secretary of Defense) Army (Department of the Army) DISA (Defense Information Systems Agency)	$61,769	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
60	Microtechnologies LLC Through Defined Technologies, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$57,946	<0.1%	Rank history: not on the FY2021–FY2023 lists and #90 in FY2024; up 30 since FY2024.
61	Centurylink Communications, LLC Top agencies Army (Department of the Army) DHA (Defense Health Agency)	$57,385	<0.1%	Rank history: not on the FY2021–FY2023 lists and #55 in FY2024; down 6 since FY2024.
62	Blue Peter LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DISA (Defense Information Systems Agency)	$51,142	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 59 since FY2024.
63	Fastiraq, LLC Top agencies Army (Department of the Army)	$47,467	<0.1%	Rank history: not on the FY2021–FY2022 lists, #92 in FY2023 and #86 in FY2024; up 23 since FY2024.
64	Netlink Data Solutions LLC Top agencies USAF (Department of the Air Force) DISA (Defense Information Systems Agency)	$42,150	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 42 since FY2024.
65	T2 Technologies, Inc. Top agencies OSD (Office of the Secretary of Defense) Navy (Department of the Navy) USAF (Department of the Air Force)	$40,625	<0.1%	Rank history: not on the FY2021–FY2023 lists and #89 in FY2024; up 24 since FY2024.
66	AOC Connect, LLC Top agencies DHRA (Defense Human Resources Activity) Army (Department of the Army) CIGIE (The Council of the Inspectors General on Integrity and Effeciency)	$40,206	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
67	Connections Wizards, LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$36,535	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 66 since FY2024.
68	Pegasus Radio Corp Top agencies NRC (Nuclear Regulatory Commission)	$36,201	<0.1%	Rank history: not on the FY2021–FY2022 lists, #98 in FY2023 and not on the FY2024 list; up 37 since FY2024.
69	DT Micro Inc Top agencies Navy (Department of the Navy)	$36,000	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 87 since FY2024.
70	GMG World Media, LLC Top agencies USAF (Department of the Air Force)	$35,105	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
71	Fedcon-1, LLC Top agencies Navy (Department of the Navy)	$33,742	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 57 since FY2024.
72	Hawaiian Telcom, Inc. Top agencies Navy (Department of the Navy) DISA (Defense Information Systems Agency) DSCA (Defense Security Cooperation Agency)	$25,389	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
73	Verizon Virginia LLC Top agencies DISA (Defense Information Systems Agency)	$24,010	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
74	Vodafone Group PLC Through Cable & Wireless U.K Top agencies USAF (Department of the Air Force)	$23,476	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 39 since FY2024.
75	Cequel Communications LLC Top agencies USAF (Department of the Air Force)	$22,676	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
76	Norfolk Fiber, LLC Top agencies Army (Department of the Army)	$22,600	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 105 since FY2024.
77	Frontier Southwest Incorporated Top agencies USAF (Department of the Air Force)	$22,403	<0.1%	Rank history: not on the FY2021–FY2023 lists and #83 in FY2024; up 6 since FY2024.
78	Cox Communications Hampton Roads, L.L.C. Top agencies DISA (Defense Information Systems Agency)	$20,724	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
79	Time Warner Cable Enterprises LLC Through Time Warner Cable Inc. Top agencies DISA (Defense Information Systems Agency)	$19,000	<0.1%	Rank history: #98 in FY2021, #87 in FY2022, #69 in FY2023 and not on the FY2024 list; up 29 since FY2024.
80	Cogent Communications LLC Top agencies Smithsonian (Smithsonian Institution)	$16,800	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
81	Ho-Chunk, Inc. Through All Native Services Company Top agencies MDA (DOD Missile Defense Agency)	$15,689	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
82	Integra Research Co., Ltd. Top agencies Navy (Department of the Navy)	$9,593	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
83	Consolidated Communications Holdings Inc. Through Consolidated Communications of Northern New England Company, LLC Top agencies Navy (Department of the Navy)	$9,430	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
84	N-Ovation Technology Group LLC Top agencies VA (Department of Veterans Affairs)	$8,085	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 45 since FY2024.
85	Entinu Media LLC Top agencies Navy (Department of the Navy)	$7,200	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 53 since FY2024.
86	Caption First Incorporated Top agencies HHS (Department of Health and Human Services)	$7,100	<0.1%	Rank history: not on the FY2021–FY2022 lists, #88 in FY2023 and not on the FY2024 list; up 21 since FY2024.
87	Cable One, Inc. Top agencies USAF (Department of the Air Force)	$6,756	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
88	Sierra TEL Communications Group Through Sierra Telephone Company, Inc. Top agencies VA (Department of Veterans Affairs)	$6,718	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 64 since FY2024.
89	Gulfnet Communications Co. Wll. Top agencies USAF (Department of the Air Force) DISA (Defense Information Systems Agency)	$6,388	<0.1%	Rank history: not on the FY2021–FY2023 lists and #65 in FY2024; down 24 since FY2024.
90	Kymeta Corporation Through Lepton Global Solutions LLC Top agencies Navy (Department of the Navy)	$6,148	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 68 since FY2024.
91	Cornerstone Communications, Inc. Top agencies Navy (Department of the Navy)	$5,953	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 66 since FY2024.
92	NTT Data Federal Services Inc. Through Docomo Pacific, Inc. Top agencies DODEA (Department of Defense Education Activity)	$5,880	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 68 since FY2024.
93	Orange Through Orange Romania Communications S.A. Top agencies Army (Department of the Army)	$5,439	<0.1%	Rank history: #61 in FY2021, #78 in FY2022, #54 in FY2023 and not on the FY2024 list; up 75 since FY2024.
94	Windstream Ohio, LLC Top agencies USAF (Department of the Air Force)	$5,218	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 72 since FY2024.
95	Telecom Italia SPA Top agencies DMA (Defense Media Activity)	$4,934	<0.1%	Rank history: #62 in FY2021, #57 in FY2022 and not on the FY2023–FY2024 lists; up 66 since FY2024.
96	Cambridge International Systems, Inc. Top agencies USAF (Department of the Air Force)	$4,800	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 80 since FY2024.
97	Advanced Computers Inc. Top agencies USAF (Department of the Air Force)	$3,910	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
98	Cox Oklahoma Telcom, L.l.c Top agencies USAF (Department of the Air Force)	$3,700	<0.1%	Rank history: not on the FY2021–FY2023 lists and #82 in FY2024; down 16 since FY2024.
99	Frontier Communications of the Carolinas LLC Top agencies USAF (Department of the Air Force)	$3,407	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
100	Dcn, LLC Top agencies DISA (Defense Information Systems Agency)	$2,211	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 75 since FY2024.

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100 of 121 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 $1.07 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 PSC D304 contractors in FY2025?

1. At&T Inc. ($442M), 2. Lumen Technologies Government Solutions, Inc. ($170M), 3. Verizon ($106M), 4. Viasat Inc. ($70.7M), 5. Leidos Holdings, Inc. ($55.1M), 6. L3Harris Technologies, Inc. ($21.1M), 7. Manhattan Telecommunications Corporation LLC ($12.4M), 8. Pacarctic, LLC ($12.3M), 9. SES Space & Defense Inc. ($10.2M), 10. Ritenet Corp. ($5.58M).

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