Top 100 Contractors in NAICS 517311: Wired Telecommunications Carriers, FY2025

Name: Top 100 Contractors in NAICS 517311: Wired Telecommunications Carriers, FY2025
Creator: GovTribe

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

The top 10 won 61% of FY2025 NAICS 517311 contract dollars

Contract obligations: $222,143,759 Net of deobligations, by contracts coded NAICS 517311
Contractors: 198 Parent companies with an obligation
Largest contractor: Lumen Technologies Government Solutions, Inc. $60.1 million, 20.0% 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	Lumen Technologies Government Solutions, Inc. 3 awardees Top agencies DISA (Defense Information Systems Agency) Army (Department of the Army) DHS (Department of Homeland Security)	$60,130,975	20.0%	Rank history: #3 in FY2021, #37 in FY2022, #49 in FY2023 and #1 in FY2024; unchanged since FY2024.
2	Full Spectrum Operations LLC Top agencies USAF (Department of the Air Force)	$45,777,739	15.2%	Rank history: #4 in FY2021, #3 in FY2022, #2 in FY2023 and #2 in FY2024; unchanged since FY2024.
3	At&T Inc. 17 awardees, including At&T Enterprises, LLC, Pacific Bell Telephone Company and Bellsouth Telecommunications, LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) USAGM (US Agency for Global Media)	$21,439,225	7.1%	Rank history: #2 in FY2021, #2 in FY2022, #3 in FY2023 and #3 in FY2024; unchanged since FY2024.
4	Comcast Government Services LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$14,554,942	4.8%	Rank history: not on the FY2021 list, #6 in FY2022, #32 in FY2023 and #5 in FY2024; up 1 since FY2024.
5	University Corporation for Advanced Internet Development Top agencies Commerce (Department of Commerce)	$10,657,273	3.5%	Rank history: #11 in FY2021, #7 in FY2022, #5 in FY2023 and #6 in FY2024; up 1 since FY2024.
6	At&T Enterprises, LLC Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) Army (Department of the Army)	$10,174,782	3.4%	Rank history: not on the FY2021–FY2023 lists and #15 in FY2024; up 9 since FY2024.
7	Verizon 10 awardees, including Verizon Federal Inc., Verizon Business Network Services LLC and Verizon Deutschland GMBH Top agencies Navy (Department of the Navy) Smithsonian (Smithsonian Institution) VA (Department of Veterans Affairs)	$8,089,291	2.7%	Rank history: not on the FY2021–FY2023 lists and #16 in FY2024; up 9 since FY2024.
8	At&T Technical Services Company, Inc. Top agencies DISA (Defense Information Systems Agency)	$7,215,502	2.4%	Rank history: not on the FY2021–FY2023 lists and #8 in FY2024; unchanged since FY2024.
9	Bowhead Communication Services LLC Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency)	$4,013,624	1.3%	Rank history: #14 in FY2021, #26 in FY2022, not on the FY2023 list and #13 in FY2024; up 4 since FY2024.
10	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)	$2,552,200	0.8%	Rank history: not on the FY2021–FY2022 lists, #58 in FY2023 and #26 in FY2024; up 16 since FY2024.
11	United Telephone Company of the Northwest Top agencies Navy (Department of the Navy)	$2,292,891	0.8%	Rank history: not on the FY2021–FY2024 lists; new.
12	University of Maryland, College Park Top agencies Commerce (Department of Commerce)	$2,080,164	0.7%	Rank history: not on the FY2021–FY2022 lists, #28 in FY2023 and #25 in FY2024; up 13 since FY2024.
13	Beyon B.s.c Top agencies Navy (Department of the Navy) DISA (Defense Information Systems Agency) Army (Department of the Army)	$1,912,325	0.6%	Rank history: #10 in FY2021, not on the FY2022–FY2023 lists and #12 in FY2024; down 1 since FY2024.
14	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)	$1,731,872	0.6%	Rank history: not on the FY2021–FY2024 lists; new.
15	Lumen Technologies, Inc. 6 awardees, including Level 3 Communications, LLC, Centurytel of Alabama, LLC and Lumen Technologies Government Solutions, Inc. Top agencies DISA (Defense Information Systems Agency) USAF (Department of the Air Force) DHA (Defense Health Agency)	$1,706,672	0.6%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2023 and #4 in FY2024; down 11 since FY2024.
16	Unified C4 LLC Top agencies USAF (Department of the Air Force)	$1,687,171	0.6%	Rank history: #33 in FY2021, #32 in FY2022, #15 in FY2023 and #19 in FY2024; up 3 since FY2024.
17	GTT Global Telecom Government Services, LLC Top agencies DISA (Defense Information Systems Agency) USAF (Department of the Air Force) Navy (Department of the Navy)	$1,566,349	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
18	Centurylink Communications, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force) DOI (Department of the Interior)	$1,461,358	0.5%	Rank history: not on the FY2021–FY2023 lists and #33 in FY2024; up 15 since FY2024.
19	Ka'ala Systems Technology Corporation Top agencies USAF (Department of the Air Force)	$1,437,525	0.5%	Rank history: not on the FY2021–FY2022 lists, #11 in FY2023 and #17 in FY2024; down 2 since FY2024.
20	Mutual Telecom Services Inc. Top agencies DOE (Department of Energy)	$1,429,994	0.5%	Rank history: not on the FY2021 list, #58 in FY2022, not on the FY2023 list and #39 in FY2024; up 19 since FY2024.
21	Wyandotte Technologies Top agencies USAF (Department of the Air Force)	$1,211,206	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
22	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)	$1,050,470	0.3%	Rank history: #12 in FY2021, #9 in FY2022 and not on the FY2023–FY2024 lists; up 99 since FY2024.
23	Cox Enterprises, Inc. Through Cox Communications Hampton Roads, L.L.C. Top agencies Navy (Department of the Navy) OSD (Office of the Secretary of Defense)	$985,024	0.3%	Rank history: #23 in FY2021, #20 in FY2022, #12 in FY2023 and #24 in FY2024; up 1 since FY2024.
24	Manhattan Telecommunications Corporation LLC Top agencies VA (Department of Veterans Affairs) Treasury (Department of the Treasury) Navy (Department of the Navy)	$970,106	0.3%	Rank history: #92 in FY2021, not on the FY2022 list, #79 in FY2023 and #10 in FY2024; down 14 since FY2024.
25	Onevoice Government Solutions LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) OSD (Office of the Secretary of Defense)	$951,748	0.3%	Rank history: not on the FY2021–FY2023 lists and #77 in FY2024; up 52 since FY2024.
26	Charter Communications Operating LLC 4 awardees, including Time Warner Cable Enterprises LLC and Charter Communications Holdings LLC Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) Army (Department of the Army)	$945,939	0.3%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2024; up 17 since FY2024.
27	Telefonica De Espana Sau Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$944,399	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
28	RX3 Communications Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DISA (Defense Information Systems Agency)	$853,044	0.3%	Rank history: #41 in FY2021 and not on the FY2022–FY2024 lists; returned.
29	Spectrum Comm Inc. Top agencies USAF (Department of the Air Force)	$815,487	0.3%	Rank history: not on the FY2021–FY2022 lists, #27 in FY2023 and #28 in FY2024; down 1 since FY2024.
30	Scopsky for Communications, Internet and Technology Services, A Limited Liability Company Top agencies Army (Department of the Army)	$804,000	0.3%	Rank history: not on the FY2021–FY2022 lists, #76 in FY2023 and #44 in FY2024; up 14 since FY2024.
31	Boingo Wireless, Inc. Top agencies USAF (Department of the Air Force)	$803,125	0.3%	Rank history: #29 in FY2021, #11 in FY2022, #34 in FY2023 and #30 in FY2024; down 1 since FY2024.
32	Windstream Communications, LLC Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$741,905	0.2%	Rank history: not on the FY2021–FY2024 lists; up 199 since FY2024.
33	CC Communications Top agencies Navy (Department of the Navy)	$738,817	0.2%	Rank history: #43 in FY2021, #45 in FY2022, #30 in FY2023 and not on the FY2024 list; up 184 since FY2024.
34	Bringcom Incorporated Top agencies Army (Department of the Army) Navy (Department of the Navy)	$730,668	0.2%	Rank history: #80 in FY2021, #12 in FY2022, #24 in FY2023 and #20 in FY2024; down 14 since FY2024.
35	Chenega Analytic Business Solutions, LLC Top agencies Navy (Department of the Navy)	$714,680	0.2%	Rank history: not on the FY2021–FY2023 lists and #34 in FY2024; down 1 since FY2024.
36	Chugach Information Technology LLC Top agencies DLA (Defense Logistics Agency)	$600,883	0.2%	Rank history: not on the FY2021–FY2023 lists and #41 in FY2024; up 5 since FY2024.
37	NTT Data Federal Services Inc. 4 awardees, including NTT East, Inc., NTT Docomo Business, Inc. and NTT West, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$592,786	0.2%	Rank history: not on the FY2021–FY2023 lists and #46 in FY2024; up 9 since FY2024.
38	Cox Communications Hampton Roads, L.L.C. Top agencies Navy (Department of the Navy)	$588,054	0.2%	Rank history: #99 in FY2021 and not on the FY2022–FY2024 lists; returned.
39	Qualitynet General Trading and Contracting Company WLL Top agencies DISA (Defense Information Systems Agency) USAF (Department of the Air Force)	$547,590	0.2%	Rank history: #44 in FY2021, not on the FY2022 list, #18 in FY2023 and not on the FY2024 list; up 98 since FY2024.
40	Hawaiian Telcom, Inc. Top agencies Army (Department of the Army) VA (Department of Veterans Affairs) Navy (Department of the Navy)	$450,494	0.1%	Rank history: not on the FY2021–FY2023 lists and #38 in FY2024; down 2 since FY2024.
41	Cox Virginia Telcom, L.l.c Top agencies USAF (Department of the Air Force) DISA (Defense Information Systems Agency) DHA (Defense Health Agency)	$433,678	0.1%	Rank history: not on the FY2021–FY2023 lists and #47 in FY2024; up 6 since FY2024.
42	By Light Professional It Services LLC Top agencies DISA (Defense Information Systems Agency)	$412,397	0.1%	Rank history: #58 in FY2021, #69 in FY2022, #38 in FY2023 and #42 in FY2024; unchanged since FY2024.
43	TKS Telepost Kabel-Service Kaiserslautern GMBH Top agencies USAF (Department of the Air Force) MDA (DOD Missile Defense Agency)	$403,926	0.1%	Rank history: not on the FY2021–FY2024 lists; up 170 since FY2024.
44	Cavalier Telephone, L.L.C. Top agencies USAF (Department of the Air Force) DISA (Defense Information Systems Agency) Army (Department of the Army)	$381,938	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
45	Mainstream IP Solutions Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$372,961	0.1%	Rank history: #35 in FY2021, #35 in FY2022, #59 in FY2023 and #35 in FY2024; down 10 since FY2024.
46	Xtera Inc. Top agencies DISA (Defense Information Systems Agency)	$334,866	0.1%	Rank history: #97 in FY2021, not on the FY2022 list, #77 in FY2023 and #59 in FY2024; up 13 since FY2024.
47	Southern Light LLC Top agencies DISA (Defense Information Systems Agency) DHA (Defense Health Agency) Navy (Department of the Navy)	$330,281	0.1%	Rank history: #19 in FY2021, #33 in FY2022 and not on the FY2023–FY2024 lists; returned.
48	Harbor Technology and Consulting S.R.L. Top agencies Navy (Department of the Navy)	$317,882	0.1%	Rank history: not on the FY2021 list, #60 in FY2022, #61 in FY2023 and #52 in FY2024; up 4 since FY2024.
49	Rivertech LLC Top agencies USAF (Department of the Air Force)	$297,935	0.1%	Rank history: not on the FY2021–FY2023 lists and #36 in FY2024; down 13 since FY2024.
50	Comcast of Connecticut Inc 4 awardees, including Comcast Cable Communications, LLC and Comcast Business Communications, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army) DCSA (Defense Counterintelligence and Security Agency)	$277,633	0.1%	Rank history: not on the FY2021–FY2024 lists; up 165 since FY2024.
51	The University of Alabama System Through University of Alabama Top agencies Commerce (Department of Commerce)	$261,651	0.1%	Rank history: not on the FY2021 list, #90 in FY2022, #63 in FY2023 and #78 in FY2024; up 27 since FY2024.
52	Djibouti Telecom SA Top agencies USAF (Department of the Air Force)	$247,608	0.1%	Rank history: not on the FY2021–FY2023 lists and #83 in FY2024; up 31 since FY2024.
53	Telecom Italia SPA O TIM S.P.a. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DCMA (Defense Contract Management Agency)	$192,071	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
54	Chugach Technical Solutions LLC Top agencies Navy (Department of the Navy)	$188,877	0.1%	Rank history: not on the FY2021–FY2023 lists and #86 in FY2024; up 32 since FY2024.
55	N-Ovation Technology Group LLC Top agencies VA (Department of Veterans Affairs) NARA (National Archives and Records Administration)	$169,182	0.1%	Rank history: #91 in FY2021, #88 in FY2022, #51 in FY2023 and #55 in FY2024; unchanged since FY2024.
56	Peraton Government Communications Inc. Top agencies DISA (Defense Information Systems Agency) Army (Department of the Army)	$166,079	0.1%	Rank history: not on the FY2021–FY2023 lists and #68 in FY2024; up 12 since FY2024.
57	4G Telecom Ltd Top agencies USAID (US Agency for International Development)	$155,475	0.1%	Rank history: not on the FY2021–FY2022 lists, #75 in FY2023 and #75 in FY2024; up 18 since FY2024.
58	Time Warner Cable Enterprises LLC Through Charter Communications Operating, LLC Top agencies VA (Department of Veterans Affairs) DOE (Department of Energy)	$154,724	0.1%	Rank history: #20 in FY2021, #21 in FY2022, #13 in FY2023 and #22 in FY2024; down 36 since FY2024.
59	Wideopenwest Inc. Through Wideopenwest Finance, LLC Top agencies VA (Department of Veterans Affairs)	$153,600	0.1%	Rank history: not on the FY2021–FY2022 lists, #56 in FY2023 and #56 in FY2024; down 3 since FY2024.
60	Turk Telekomunikasyon Anonim Sirketi Top agencies DISA (Defense Information Systems Agency)	$145,404	<0.1%	Rank history: not on the FY2021–FY2023 lists and #54 in FY2024; down 6 since FY2024.
61	Triangle Telephone Cooperative Association, Inc. Top agencies HHS (Department of Health and Human Services) DOI (Department of the Interior)	$136,000	<0.1%	Rank history: not on the FY2021–FY2022 lists, #67 in FY2023 and #71 in FY2024; up 10 since FY2024.
62	Increditek, Inc. Top agencies DISA (Defense Information Systems Agency)	$131,580	<0.1%	Rank history: not on the FY2021–FY2022 lists, #80 in FY2023 and #74 in FY2024; up 12 since FY2024.
63	ACS of Anchorage LLC 2 awardees, including ACS of Alaska, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force) DCAA (Defense Contract Audit Agency)	$125,641	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 81 since FY2024.
64	Naeunengineering Co.ltd Top agencies Army (Department of the Army)	$122,415	<0.1%	Rank history: not on the FY2021–FY2022 lists, #82 in FY2023 and #80 in FY2024; up 16 since FY2024.
65	Visionary Technologies Inc. Top agencies Army (Department of the Army)	$117,600	<0.1%	Rank history: not on the FY2021 list, #95 in FY2022, #57 in FY2023 and #58 in FY2024; down 7 since FY2024.
66	3Links Technologies, Inc. Top agencies Navy (Department of the Navy)	$113,934	<0.1%	Rank history: #48 in FY2021, #42 in FY2022, #44 in FY2023 and #48 in FY2024; down 18 since FY2024.
67	Jusan Mobile Joint Stock Company Top agencies DOS (Department of State)	$111,019	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 90 since FY2024.
68	Snowcloud Services LLC Top agencies DOI (Department of the Interior)	$108,000	<0.1%	Rank history: not on the FY2021–FY2022 lists, #93 in FY2023 and #88 in FY2024; up 20 since FY2024.
69	Retirementhometv Corporation Top agencies VA (Department of Veterans Affairs)	$106,844	<0.1%	Rank history: #62 in FY2021, not on the FY2022 list, #60 in FY2023 and #62 in FY2024; down 7 since FY2024.
70	Fidium Enterprise Services, LLC Top agencies VA (Department of Veterans Affairs)	$106,688	<0.1%	Rank history: not on the FY2021–FY2023 lists and #65 in FY2024; down 5 since FY2024.
71	Opencape Corporation Top agencies DISA (Defense Information Systems Agency) DOI (Department of the Interior)	$105,955	<0.1%	Rank history: not on the FY2021 list, #96 in FY2022 and not on the FY2023–FY2024 lists; returned.
72	Hawaiian Telcom Federal LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$99,877	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 118 since FY2024.
73	Channing L Kearney Top agencies Navy (Department of the Navy)	$94,265	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 54 since FY2024.
74	Windstream BV Holdings, Inc. 2 awardees, including Windstream Nuvox, LLC Top agencies USAF (Department of the Air Force)	$93,979	<0.1%	Rank history: not on the FY2021–FY2022 lists, #86 in FY2023 and #69 in FY2024; down 5 since FY2024.
75	Pccw Global, Inc. Top agencies DOT (Department of Transportation)	$90,276	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 28 since FY2024.
76	Cox Nevada Telcom LLC Top agencies VA (Department of Veterans Affairs)	$86,901	<0.1%	Rank history: not on the FY2021–FY2023 lists and #91 in FY2024; up 15 since FY2024.
77	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 75 since FY2024.
78	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 64 since FY2024.
79	Cable One, Inc. 2 awardees, including Fidelity Telephone LLC Top agencies VA (Department of Veterans Affairs) DOI (Department of the Interior)	$68,714	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
80	Netlink Data Solutions LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DHA (Defense Health Agency)	$66,342	<0.1%	Rank history: #47 in FY2021, #48 in FY2022 and not on the FY2023–FY2024 lists; returned.
81	Inyo Networks Inc Top agencies DISA (Defense Information Systems Agency) Navy (Department of the Navy)	$64,378	<0.1%	Rank history: not on the FY2021–FY2023 lists and #92 in FY2024; up 11 since FY2024.
82	Pacific Data Systems Top agencies VA (Department of Veterans Affairs)	$61,896	<0.1%	Rank history: #73 in FY2021, not on the FY2022–FY2023 lists and #95 in FY2024; up 13 since FY2024.
83	The Glocoms Group Inc. Top agencies DHS (Department of Homeland Security)	$60,250	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 29 since FY2024.
84	Hopi Telecommunications Inc. Top agencies HHS (Department of Health and Human Services) DOI (Department of the Interior)	$59,095	<0.1%	Rank history: #76 in FY2021, #82 in FY2022, not on the FY2023 list and #63 in FY2024; down 21 since FY2024.
85	Frontier Southwest Incorporated Top agencies USAF (Department of the Air Force)	$58,899	<0.1%	Rank history: not on the FY2021–FY2023 lists and #67 in FY2024; down 18 since FY2024.
86	Paul Bunyan Rural Telephone Cooperative Top agencies HHS (Department of Health and Human Services)	$55,659	<0.1%	Rank history: #71 in FY2021, #78 in FY2022, #94 in FY2023 and #64 in FY2024; down 22 since FY2024.
87	Crown Castle Fiber LLC Top agencies OSD (Office of the Secretary of Defense) Army (Department of the Army) DCSA (Defense Counterintelligence and Security Agency)	$53,100	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
88	First American Business Solutions, Inc. Top agencies Navy (Department of the Navy)	$49,537	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 36 since FY2024.
89	SES Space & Defense Inc. Top agencies USAGM (US Agency for Global Media)	$48,000	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
90	Iron-Shield Network Solutions LLC Top agencies USAF (Department of the Air Force) DISA (Defense Information Systems Agency)	$46,386	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 33 since FY2024.
91	RCN Telecom Services, LLC Top agencies National Gallery of Art	$44,640	<0.1%	Rank history: not on the FY2021–FY2023 lists and #98 in FY2024; up 7 since FY2024.
92	Frontier Communications Corporation 3 awardees, including Frontier California Inc. Top agencies DMA (Defense Media Activity)	$43,923	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
93	East Otter Tail Telephone Company Top agencies HHS (Department of Health and Human Services)	$41,775	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
94	GMG World Media, LLC Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$39,983	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
95	Telecommunication Solutions Group Inc. Top agencies DHA (Defense Health Agency) Navy (Department of the Navy)	$39,892	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
96	City & County of San Francisco Top agencies DHS (Department of Homeland Security)	$39,711	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 42 since FY2024.
97	Otnet Company, Incorporated Top agencies Navy (Department of the Navy)	$39,627	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 129 since FY2024.
98	Microtechnologies LLC Through Defined Technologies, LLC Top agencies USAF (Department of the Air Force)	$39,496	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 137 since FY2024.
99	QXC Communications Inc. Top agencies Navy (Department of the Navy) DISA (Defense Information Systems Agency)	$39,290	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
100	Connections Wizards, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$37,194	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 30 since FY2024.

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100 of 198 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 $301 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 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 517311 contractors in FY2025?

1. Lumen Technologies Government Solutions, Inc. ($60.1M), 2. Full Spectrum Operations LLC ($45.8M), 3. At&T Inc. ($21.4M), 4. Comcast Government Services LLC ($14.6M), 5. University Corporation for Advanced Internet Development ($10.7M), 6. At&T Enterprises, LLC ($10.2M), 7. Verizon ($8.09M), 8. At&T Technical Services Company, Inc. ($7.22M), 9. Bowhead Communication Services LLC ($4.01M), 10. Kingdom of Saudi Arabia ($2.55M).

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