Top 100 Contractors in NAICS 5171: Wired and Wireless Telecommunications (except Satellite), FY2024

Name: Top 100 Contractors in NAICS 5171: Wired and Wireless Telecommunications (except Satellite), FY2024
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2023 – Sep 30, 2024 Code page on GovTribe

The top 10 won 71% of FY2024 NAICS 5171 contract dollars

Contract obligations: $2,870,582,531 Net of deobligations, by contracts coded NAICS 5171 or a code under it
Contractors: 681 Parent companies with an obligation
Largest contractor: At&T Inc. $1.04 billion, 32.5% 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	At&T Inc. 33 awardees, including At&T Enterprises, LLC, Att Mobility LLC and At&T Mobility National Accounts LLC Top agencies VA (Department of Veterans Affairs) DHS (Department of Homeland Security) DOJ (Department of Justice)	$1,039,198,318	32.5%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2023 and #1 in FY2025; unchanged since FY2023.
2	Verizon 12 awardees, including Verizon Business Network Services LLC, Cellco Partnership and MCI Communications Services LLC Top agencies DOT (Department of Transportation) HHS (Department of Health and Human Services) DISA (Defense Information Systems Agency)	$492,111,322	15.4%	Rank history: not on the FY2021–FY2023 lists and #2 in FY2025; new.
3	Lumen Technologies, Inc. 12 awardees, including Lumen Technologies Government Solutions, Inc., Level 3 Communications, LLC and Level 3 Telecom Holdings, LLC Top agencies VA (Department of Veterans Affairs) DISA (Defense Information Systems Agency) DOI (Department of the Interior)	$209,931,171	6.6%	Rank history: #2 in FY2021, #3 in FY2022, #3 in FY2023 and #17 in FY2025; unchanged since FY2023.
4	Booz Allen Hamilton Holding Corporation Through Booz Allen Hamilton Inc. Top agencies USAF (Department of the Air Force)	$137,576,889	4.3%	Rank history: #8 in FY2021, #6 in FY2022, #5 in FY2023 and #15 in FY2025; up 1 since FY2023.
5	Lumen Technologies Government Solutions, Inc. 2 awardees Top agencies DOI (Department of the Interior) USDA (Department of Agriculture) SSA (Social Security Administration)	$103,547,478	3.2%	Rank history: #40 in FY2021, #7 in FY2022, #41 in FY2023 and #3 in FY2025; up 36 since FY2023.
6	Manhattan Telecommunications Corporation LLC Top agencies SSA (Social Security Administration) GSA (General Services Administration) VA (Department of Veterans Affairs)	$71,049,131	2.2%	Rank history: #19 in FY2021, #13 in FY2022, #7 in FY2023 and #8 in FY2025; up 1 since FY2023.
7	SMS Data Products Group Inc. Top agencies USAF (Department of the Air Force) MDA (DOD Missile Defense Agency)	$62,639,997	2.0%	Rank history: #7 in FY2021, #5 in FY2022, #6 in FY2023 and #28 in FY2025; down 1 since FY2023.
8	At&T Technical Services Company, Inc. Top agencies DOS (Department of State) Treasury (Department of the Treasury)	$62,598,845	2.0%	Rank history: #61 in FY2021, not on the FY2022–FY2023 lists and #9 in FY2025; returned.
9	Abacus Technology Corporation Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$49,309,999	1.5%	Rank history: #9 in FY2021, #12 in FY2022, #8 in FY2023 and #27 in FY2025; down 1 since FY2023.
10	At&T Enterprises, LLC Top agencies USDA (Department of Agriculture) Army (Department of the Army) DISA (Defense Information Systems Agency)	$35,205,354	1.1%	Rank history: #14 in FY2021, #47 in FY2022, not on the FY2023 list and #14 in FY2025; returned.
11	Caci Technologies LLC 2 awardees, including Caci Nss, LLC Top agencies USAF (Department of the Air Force)	$33,697,006	1.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
12	BT Americas Inc. 2 awardees, including 22Nd Century Networks, Inc. and British Telecommunications Public Limited Company Top agencies DISA (Defense Information Systems Agency) USAF (Department of the Air Force) DHA (Defense Health Agency)	$33,463,244	1.0%	Rank history: not on the FY2021–FY2022 lists, #29 in FY2023 and #48 in FY2025; up 17 since FY2023.
13	Artel LLC Top agencies DISA (Defense Information Systems Agency) USAF (Department of the Air Force)	$33,410,311	1.0%	Rank history: #82 in FY2021, #34 in FY2022, #77 in FY2023 and not on the FY2025 list; up 64 since FY2023.
14	Avaya Federal Solutions Inc. 3 awardees Top agencies SSA (Social Security Administration)	$32,504,330	1.0%	Rank history: #21 in FY2021, #10 in FY2022, #10 in FY2023 and #11 in FY2025; down 4 since FY2023.
15	Talton Communications Inc. Top agencies DHS (Department of Homeland Security)	$31,352,485	1.0%	Rank history: not on the FY2021–FY2022 lists, #30 in FY2023 and not on the FY2025 list; up 15 since FY2023.
16	Valdez International Corporation Top agencies USAF (Department of the Air Force)	$24,303,970	0.8%	Rank history: #15 in FY2021, #22 in FY2022, #12 in FY2023 and not on the FY2025 list; down 4 since FY2023.
17	American Systems Corporation Top agencies USAF (Department of the Air Force)	$18,692,070	0.6%	Rank history: #12 in FY2021, #25 in FY2022, #14 in FY2023 and #89 in FY2025; down 3 since FY2023.
18	T-Mobile US Inc. Through T-Mobile Usa, Inc. Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy)	$15,976,479	0.5%	Rank history: #25 in FY2021, #32 in FY2022, #33 in FY2023 and not on the FY2025 list; up 15 since FY2023.
19	T-Mobile Secure Federal Operations LLC Top agencies DISA (Defense Information Systems Agency) DHS (Department of Homeland Security)	$15,747,320	0.5%	Rank history: not on the FY2021–FY2023 lists and #7 in FY2025; new.
20	Leader Communications Inc. Top agencies Army (Department of the Army)	$15,733,687	0.5%	Rank history: #44 in FY2021, #29 in FY2022, #20 in FY2023 and #62 in FY2025; unchanged since FY2023.
21	Granite Telecommunications, LLC 2 awardees Top agencies Treasury (Department of the Treasury) DHA (Defense Health Agency) USAF (Department of the Air Force)	$14,312,251	0.4%	Rank history: #17 in FY2021, #20 in FY2022, #27 in FY2023 and #19 in FY2025; up 6 since FY2023.
22	Bristol Bay Native Corporation Through Gc&E Systems Group, LLC Top agencies Army (Department of the Army)	$14,194,303	0.4%	Rank history: #32 in FY2021, #27 in FY2022, #15 in FY2023 and not on the FY2025 list; down 7 since FY2023.
23	Gstek Inc. Top agencies Army (Department of the Army)	$13,879,815	0.4%	Rank history: not on the FY2021–FY2022 lists, #22 in FY2023 and #33 in FY2025; down 1 since FY2023.
24	Core Technologies Inc. Top agencies DOI (Department of the Interior) USAF (Department of the Air Force) DISA (Defense Information Systems Agency)	$13,296,821	0.4%	Rank history: #26 in FY2021, #14 in FY2022, #23 in FY2023 and not on the FY2025 list; down 1 since FY2023.
25	HP Enterprise Services LLC 4 awardees, including Peraton Enterprise Solutions LLC and Peraton Inc. Top agencies USAF (Department of the Air Force) DISA (Defense Information Systems Agency)	$12,386,851	0.4%	Rank history: #30 in FY2021, #21 in FY2022, #9 in FY2023 and not on the FY2025 list; down 16 since FY2023.
26	Gc&E Federal, LLC Top agencies HHS (Department of Health and Human Services)	$11,934,034	0.4%	Rank history: not on the FY2021–FY2023 lists and #16 in FY2025; new.
27	Qualitynet General Trading and Contracting Company WLL Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$11,860,714	0.4%	Rank history: not on the FY2021 list, #56 in FY2022, #43 in FY2023 and #22 in FY2025; up 16 since FY2023.
28	Global Telecom & Technology Inc. 2 awardees, including GTT Global Telecom Government Services, LLC and GTT Americas, LLC Top agencies DISA (Defense Information Systems Agency) USAF (Department of the Air Force) Navy (Department of the Navy)	$11,700,538	0.4%	Rank history: #35 in FY2021, #24 in FY2022, #34 in FY2023 and not on the FY2025 list; up 6 since FY2023.
29	Tyto Government Solutions Inc. Top agencies USAF (Department of the Air Force)	$11,229,869	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
30	Secure Federal Operations LLC Through T-Mobile Secure Federal Operations LLC Top agencies DHS (Department of Homeland Security) DISA (Defense Information Systems Agency)	$9,901,850	0.3%	Rank history: not on the FY2021–FY2022 lists, #18 in FY2023 and not on the FY2025 list; down 12 since FY2023.
31	Computer World Services Corp. Top agencies USAF (Department of the Air Force)	$9,589,490	0.3%	Rank history: not on the FY2021–FY2023 lists and #10 in FY2025; new.
32	Vodafone Global Enterprise Ltd Top agencies Army (Department of the Army) USSOCOM (United States Special Operations Command) DOS (Department of State)	$9,514,483	0.3%	Rank history: not on the FY2021–FY2023 lists and #30 in FY2025; new.
33	Strategic Resources, Incorporated Top agencies Army (Department of the Army)	$9,143,691	0.3%	Rank history: #57 in FY2021, #43 in FY2022, #28 in FY2023 and #69 in FY2025; down 5 since FY2023.
34	CACI International Inc. 3 awardees, including LGS Innovations LLC, Caci Nss, LLC and Caci, Inc. - Federal Top agencies Army (Department of the Army) DTRA (Defense Threat Reduction Agency) USAF (Department of the Air Force)	$8,547,713	0.3%	Rank history: #3 in FY2021, #4 in FY2022, #4 in FY2023 and #4 in FY2025; down 30 since FY2023.
35	A & T Systems, Inc. Top agencies Army (Department of the Army)	$8,425,207	0.3%	Rank history: #37 in FY2021, #38 in FY2022, #24 in FY2023 and not on the FY2025 list; down 11 since FY2023.
36	T-Mobile Usa, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$8,367,314	0.3%	Rank history: not on the FY2021–FY2023 lists and #12 in FY2025; new.
37	Deutsche Telekom Business Solutions GMBH 5 awardees, including Combridge SRL, Crnogorski Telekom A.D. and Telekom Deutschland GMBH Top agencies USAF (Department of the Air Force) Army (Department of the Army) DISA (Defense Information Systems Agency)	$7,261,276	0.2%	Rank history: not on the FY2021–FY2022 lists, #38 in FY2023 and #26 in FY2025; up 1 since FY2023.
38	Technica Corporation Top agencies USAF (Department of the Air Force)	$6,647,936	0.2%	Rank history: #16 in FY2021, #16 in FY2022, #13 in FY2023 and not on the FY2025 list; down 25 since FY2023.
39	Microtechnologies LLC Top agencies USAF (Department of the Air Force)	$6,145,791	0.2%	Rank history: #24 in FY2021, #11 in FY2022, #11 in FY2023 and not on the FY2025 list; down 28 since FY2023.
40	Telos Corporation Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$6,081,979	0.2%	Rank history: #5 in FY2021, #9 in FY2022, #17 in FY2023 and #35 in FY2025; down 23 since FY2023.
41	Valkyrie Enterprises, LLC 2 awardees Top agencies USAF (Department of the Air Force)	$6,002,299	0.2%	Rank history: #31 in FY2021, #30 in FY2022, #16 in FY2023 and not on the FY2025 list; down 25 since FY2023.
42	Peraton Inc. 2 awardees, including Peraton Enterprise Solutions LLC Top agencies USAF (Department of the Air Force)	$5,810,534	0.2%	Rank history: not on the FY2021–FY2023 lists and #13 in FY2025; new.
43	Gulfnet Communications Co. Wll. Top agencies Army (Department of the Army)	$5,314,017	0.2%	Rank history: not on the FY2021–FY2023 lists and #53 in FY2025; new.
44	Sumaria Systems, LLC Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency)	$5,171,229	0.2%	Rank history: #13 in FY2021, #28 in FY2022, #26 in FY2023 and #97 in FY2025; down 18 since FY2023.
45	Futron, Inc. 2 awardees Top agencies HHS (Department of Health and Human Services) DLA (Defense Logistics Agency)	$4,784,990	0.1%	Rank history: #41 in FY2021, #39 in FY2022, #37 in FY2023 and #47 in FY2025; down 8 since FY2023.
46	CDO Technologies Inc. Top agencies USAF (Department of the Air Force)	$4,471,636	0.1%	Rank history: #11 in FY2021, #23 in FY2022, #25 in FY2023 and not on the FY2025 list; down 21 since FY2023.
47	Sos International LLC Top agencies Army (Department of the Army)	$4,443,483	0.1%	Rank history: #60 in FY2021, #42 in FY2022, #45 in FY2023 and #68 in FY2025; down 2 since FY2023.
48	Alliance Networks W.L.L. Top agencies USAF (Department of the Air Force)	$4,172,136	0.1%	Rank history: not on the FY2021–FY2023 lists and #23 in FY2025; up 218 since FY2023.
49	Comcast Government Services LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army) DHA (Defense Health Agency)	$4,018,927	0.1%	Rank history: not on the FY2021 list, #59 in FY2022, not on the FY2023 list and #24 in FY2025; up 84 since FY2023.
50	LGS Innovations LLC Top agencies Army (Department of the Army)	$3,729,652	0.1%	Rank history: #18 in FY2021, #33 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
51	Turk Telekomunikasyon Anonim Sirketi 2 awardees Top agencies USAF (Department of the Air Force) DISA (Defense Information Systems Agency) DOS (Department of State)	$3,551,936	0.1%	Rank history: not on the FY2021 list, #99 in FY2022, #98 in FY2023 and #84 in FY2025; up 47 since FY2023.
52	Onevoice Government Solutions LLC Top agencies DISA (Defense Information Systems Agency) Navy (Department of the Navy) USAF (Department of the Air Force)	$3,525,109	0.1%	Rank history: not on the FY2021 list, #71 in FY2022, #79 in FY2023 and #51 in FY2025; up 27 since FY2023.
53	Gc&E Systems Group, LLC Top agencies Army (Department of the Army)	$3,504,603	0.1%	Rank history: #52 in FY2021, not on the FY2022–FY2023 lists and #44 in FY2025; returned.
54	Telecom Italia SPA O TIM S.P.a. Top agencies DISA (Defense Information Systems Agency) Navy (Department of the Navy) USAF (Department of the Air Force)	$3,473,934	0.1%	Rank history: not on the FY2021–FY2022 lists, #74 in FY2023 and #36 in FY2025; up 20 since FY2023.
55	Intelligent Decisions LLC Through Applied Insight, LLC Top agencies USAF (Department of the Air Force)	$3,399,126	0.1%	Rank history: #36 in FY2021, #44 in FY2022, #44 in FY2023 and not on the FY2025 list; down 11 since FY2023.
56	Allstream Business US LLC Through Zayo Group LLC Top agencies HHS (Department of Health and Human Services) Smithsonian (Smithsonian Institution) Commerce (Department of Commerce)	$3,364,653	0.1%	Rank history: #51 in FY2021, #41 in FY2022, #35 in FY2023 and not on the FY2025 list; down 21 since FY2023.
57	Dynamic Digital Transformation LLC Top agencies Treasury (Department of the Treasury)	$3,354,965	0.1%	Rank history: not on the FY2021–FY2023 lists and #34 in FY2025; new.
58	EPS Corporation Top agencies USAF (Department of the Air Force) SSA (Social Security Administration)	$3,112,601	0.1%	Rank history: #29 in FY2021, #35 in FY2022, #39 in FY2023 and not on the FY2025 list; down 19 since FY2023.
59	Beyon B.s.c Top agencies Army (Department of the Army) DOS (Department of State)	$3,087,786	0.1%	Rank history: not on the FY2021–FY2022 lists, #53 in FY2023 and #41 in FY2025; down 6 since FY2023.
60	Cellco Partnership Top agencies VA (Department of Veterans Affairs) ED (Department of Education)	$2,987,066	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
61	Mohawk Networks LLC Top agencies HHS (Department of Health and Human Services)	$2,980,496	0.1%	Rank history: not on the FY2021–FY2023 lists and #71 in FY2025; new.
62	Zayo Group LLC Top agencies HHS (Department of Health and Human Services) Commerce (Department of Commerce) USAF (Department of the Air Force)	$2,948,213	0.1%	Rank history: #79 in FY2021, not on the FY2022–FY2023 lists and not on the FY2025 list; returned.
63	By Light Professional It Services LLC Top agencies DISA (Defense Information Systems Agency) Army (Department of the Army)	$2,890,624	0.1%	Rank history: #48 in FY2021, #48 in FY2022, #40 in FY2023 and #46 in FY2025; down 23 since FY2023.
64	Tyto Athene, LLC Top agencies SSA (Social Security Administration) DOT (Department of Transportation)	$2,586,660	0.1%	Rank history: #53 in FY2021, #36 in FY2022, #46 in FY2023 and #81 in FY2025; down 18 since FY2023.
65	Time Warner Cable Enterprises LLC 4 awardees, including Charter Communications Operating LLC, Time Warner Cable Inc. and Bresnan Broadband of Montana, LLC Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy) USAF (Department of the Air Force)	$2,320,373	0.1%	Rank history: #70 in FY2021, #79 in FY2022, #55 in FY2023 and not on the FY2025 list; down 10 since FY2023.
66	AEG Group Inc Top agencies USAF (Department of the Air Force) DOI (Department of the Interior) DOS (Department of State)	$2,305,119	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 104 since FY2023.
67	RTX Corporation Through Raytheon Company Top agencies USAF (Department of the Air Force)	$2,121,202	0.1%	Rank history: #54 in FY2021, #49 in FY2022, #42 in FY2023 and #90 in FY2025; down 25 since FY2023.
68	Peraton Government Communications Inc. Top agencies DISA (Defense Information Systems Agency) USAF (Department of the Air Force)	$2,104,080	0.1%	Rank history: #98 in FY2021, not on the FY2022–FY2023 lists and #31 in FY2025; returned.
69	Sintel Satellite Services Inc Top agencies USAF (Department of the Air Force) DISA (Defense Information Systems Agency)	$1,860,067	0.1%	Rank history: not on the FY2021–FY2023 lists and #92 in FY2025; new.
70	V2X, Inc. Through V2X Systems LLC Top agencies OSD (Office of the Secretary of Defense)	$1,800,000	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
71	Syringa Networks, LLC Top agencies DISA (Defense Information Systems Agency) USAF (Department of the Air Force)	$1,568,772	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 284 since FY2023.
72	RX3 Communications Inc. Top agencies DISA (Defense Information Systems Agency) USAF (Department of the Air Force) Navy (Department of the Navy)	$1,533,034	<0.1%	Rank history: not on the FY2021 list, #96 in FY2022, #93 in FY2023 and #58 in FY2025; up 21 since FY2023.
73	Stran Technologies It Services LLC Top agencies USAF (Department of the Air Force)	$1,440,651	<0.1%	Rank history: not on the FY2021–FY2023 lists and #64 in FY2025; up 314 since FY2023.
74	Vectrus Systems Corporation Through V2X Systems LLC Top agencies OSD (Office of the Secretary of Defense)	$1,400,000	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
75	Reti Telematiche Italiane S.p.a., In Forma Abbreviata Retelit S. P.a. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DISA (Defense Information Systems Agency)	$1,342,555	<0.1%	Rank history: not on the FY2021–FY2023 lists and #88 in FY2025; up 385 since FY2023.
76	National Capitol Contracting LLC 7 awardees, including Comcast Government Services LLC, Comcast Business Communications, LLC and Comcast of Maryland Limited Partnership Top agencies USAF (Department of the Air Force) Army (Department of the Army) NRC (Nuclear Regulatory Commission)	$1,328,252	<0.1%	Rank history: #68 in FY2021, #50 in FY2022, #36 in FY2023 and not on the FY2025 list; down 40 since FY2023.
77	Boingo Wireless, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$1,252,804	<0.1%	Rank history: not on the FY2021–FY2022 lists, #51 in FY2023 and not on the FY2025 list; down 26 since FY2023.
78	Proximus SA Top agencies Army (Department of the Army) DOS (Department of State)	$1,233,421	<0.1%	Rank history: not on the FY2021–FY2023 lists and #96 in FY2025; new.
79	AST Telecom LLC Top agencies VA (Department of Veterans Affairs)	$1,205,280	<0.1%	Rank history: not on the FY2021–FY2022 lists, #62 in FY2023 and not on the FY2025 list; down 17 since FY2023.
80	Global Reach Consulting LLC Top agencies USCYBERCOM (Department of Defense Cyber Command) USAF (Department of the Air Force)	$1,202,310	<0.1%	Rank history: not on the FY2021–FY2023 lists and #79 in FY2025; new.
81	Navajo Communications Co., Inc. Top agencies HHS (Department of Health and Human Services) DOI (Department of the Interior)	$1,140,649	<0.1%	Rank history: not on the FY2021–FY2023 lists and #55 in FY2025; new.
82	Kddi Corporation Top agencies Navy (Department of the Navy)	$1,112,084	<0.1%	Rank history: #65 in FY2021, #55 in FY2022, #65 in FY2023 and #61 in FY2025; down 17 since FY2023.
83	Vdtel Voip Corp. Top agencies DISA (Defense Information Systems Agency)	$1,095,829	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
84	Systems Integration / Modeling & Simulation, Inc. Top agencies Navy (Department of the Navy)	$1,068,862	<0.1%	Rank history: not on the FY2021–FY2022 lists, #63 in FY2023 and #65 in FY2025; down 21 since FY2023.
85	Intranet Communications Group Inc. Top agencies USAF (Department of the Air Force)	$1,060,069	<0.1%	Rank history: not on the FY2021–FY2023 lists and #86 in FY2025; new.
86	Bering Straits Native Corporation Through Arcticom, LLC Top agencies USAF (Department of the Air Force) DISA (Defense Information Systems Agency)	$1,036,747	<0.1%	Rank history: not on the FY2021–FY2022 lists, #72 in FY2023 and not on the FY2025 list; down 14 since FY2023.
87	Spok Holdings Inc. Through Spok Inc. Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy) HHS (Department of Health and Human Services)	$1,020,538	<0.1%	Rank history: not on the FY2021–FY2023 lists and #76 in FY2025; new.
88	Cox Enterprises, Inc. 14 awardees, including Cox Virginia Telcom, L.l.c, Cox Communications Hampton Roads, L.L.C. and Cox Arizona Telecom LLC Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy) DOJ (Department of Justice)	$1,011,722	<0.1%	Rank history: #66 in FY2021, #67 in FY2022, #58 in FY2023 and not on the FY2025 list; down 30 since FY2023.
89	Comcast Business Communications, LLC Top agencies DOJ (Department of Justice) CPSC (Consumer Product Safety Commission) OSD (Office of the Secretary of Defense)	$994,299	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
90	Mainstream IP Solutions Inc. Top agencies USAF (Department of the Air Force)	$987,523	<0.1%	Rank history: #73 in FY2021, #61 in FY2022, #91 in FY2023 and #72 in FY2025; up 1 since FY2023.
91	GTT Americas, LLC Top agencies DISA (Defense Information Systems Agency) MDA (DOD Missile Defense Agency)	$986,116	<0.1%	Rank history: #85 in FY2021, #65 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
92	Jinny Telecom Sal Top agencies DOS (Department of State)	$981,914	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
93	Optivor Technologies, LLC Top agencies USAF (Department of the Air Force)	$958,218	<0.1%	Rank history: not on the FY2021–FY2022 lists, #47 in FY2023 and not on the FY2025 list; down 46 since FY2023.
94	Cavalier Telephone, L.L.C. Top agencies DISA (Defense Information Systems Agency) Navy (Department of the Navy) USAF (Department of the Air Force)	$951,296	<0.1%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2025; new.
95	The Gordian Group, Inc. Top agencies Army (Department of the Army) USDA (Department of Agriculture) National Gallery of Art	$942,177	<0.1%	Rank history: not on the FY2021–FY2023 lists and #70 in FY2025; new.
96	Vision Technologies, LLC Top agencies SEC (Securities and Exchange Commission) NARA (National Archives and Records Administration)	$895,416	<0.1%	Rank history: #49 in FY2021, not on the FY2022–FY2023 lists and not on the FY2025 list; returned.
97	Hawaiian Telcom, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) DOI (Department of the Interior)	$880,032	<0.1%	Rank history: not on the FY2021–FY2023 lists and #54 in FY2025; new.
98	British Telecommunications Public Limited Company Top agencies DISA (Defense Information Systems Agency) USAF (Department of the Air Force) DOS (Department of State)	$871,210	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
99	V & Z Enterprises Incorporated Top agencies HHS (Department of Health and Human Services) DOI (Department of the Interior)	$852,450	<0.1%	Rank history: not on the FY2021–FY2022 lists, #100 in FY2023 and not on the FY2025 list; up 1 since FY2023.
100	American Operations Corporation Through AOC Connect, LLC Top agencies DISA (Defense Information Systems Agency)	$841,218	<0.1%	Rank history: #72 in FY2021, #40 in FY2022, #52 in FY2023 and not on the FY2025 list; down 48 since FY2023.

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100 of 681 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 5171

Code	Net obligations	Largest contractor
51711 Wired and Wireless Telecommunications Carriers (except Satellite)	$2,806,842,387	At&T Inc.
517110 Wired Telecommunications Carriers	$2,204,438,584	At&T Inc.
51712 Telecommunications Resellers and Agents for Wireless Telecommunication Services	$63,740,144	Talton Communications Inc.

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 $3.2 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 2024 ran Oct 1, 2023 – Sep 30, 2024. 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 FY2023. "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 FY2023 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 5171 contractors in FY2024?

1. At&T Inc. ($1.04B), 2. Verizon ($492M), 3. Lumen Technologies, Inc. ($210M), 4. Booz Allen Hamilton Holding Corporation ($138M), 5. Lumen Technologies Government Solutions, Inc. ($104M), 6. Manhattan Telecommunications Corporation LLC ($71M), 7. SMS Data Products Group Inc. ($62.6M), 8. At&T Technical Services Company, Inc. ($62.6M), 9. Abacus Technology Corporation ($49.3M), 10. At&T Enterprises, LLC ($35.2M).

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