Top 100 Contractors in NAICS 5179: Other Telecommunications, FY2021

Name: Top 100 Contractors in NAICS 5179: Other Telecommunications, FY2021
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

Parent companies by net contract obligations Oct 1, 2020 – Sep 30, 2021 Code page on GovTribe

The top 10 won 68% of FY2021 NAICS 5179 contract dollars

Contract obligations: $1,215,322,980 Net of deobligations, by contracts coded NAICS 5179 or a code under it
Contractors: 719 Parent companies with an obligation
Largest contractor: HP Enterprise Services LLC $201 million, 15.7% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV · Free to reuse with credit to GovTribe (CC BY 4.0)

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	HP Enterprise Services LLC 2 awardees, including Peraton Inc. Top agencies NASA (National Aeronautics and Space Administration)	$201,043,901	15.7%	Rank history: #1 in FY2022, #1 in FY2023, #6 in FY2024 and not on the FY2025 list; up 1 since FY2020.
2	RTX Corporation 3 awardees, including Raytheon Company and Arinc Incorporated Top agencies Commerce (Department of Commerce) USAF (Department of the Air Force) DOT (Department of Transportation)	$155,745,283	12.2%	Rank history: #10 in FY2022, #27 in FY2023 and not on the FY2024–FY2025 lists; up 3 since FY2020.
3	Lockheed Martin Corporation 3 awardees, including Lockheed Martin Services, LLC and Lockheed Martin Global, Inc. Top agencies USAF (Department of the Air Force)	$105,390,851	8.3%	Rank history: #2 in FY2022, #2 in FY2023, #1 in FY2024 and #3 in FY2025; unchanged since FY2020.
4	Widepoint Corporation Through Widepoint Integrated Solutions Corp Top agencies DHS (Department of Homeland Security)	$69,829,190	5.5%	Rank history: #6 in FY2022, #3 in FY2023, #3 in FY2024 and not on the FY2025 list; up 4 since FY2020.
5	Verizon Communications Inc. 13 awardees, including Verizon Business Network Services LLC, Verizon Federal Inc. and Verizon UK Limited Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) DOJ (Department of Justice)	$69,786,529	5.5%	Rank history: #3 in FY2022, #7 in FY2023, #28 in FY2024 and not on the FY2025 list; down 4 since FY2020.
6	Indyne, Inc. Top agencies USAF (Department of the Air Force) MDA (DOD Missile Defense Agency)	$69,565,477	5.4%	Rank history: #5 in FY2022, #4 in FY2023, #4 in FY2024 and #4 in FY2025; unchanged since FY2020.
7	General Dynamics Corporation 2 awardees, including General Dynamics Mission Systems, Inc. Top agencies DHS (Department of Homeland Security) NASA (National Aeronautics and Space Administration) NRC (Nuclear Regulatory Commission)	$59,940,848	4.7%	Rank history: #8 in FY2022, #5 in FY2023, #5 in FY2024 and #5 in FY2025; up 3 since FY2020.
8	Advanced Technology Systems Inc. Through Salient Federal Solutions, Inc. Top agencies Army (Department of the Army)	$57,028,013	4.5%	Rank history: #20 in FY2022, #6 in FY2023, #18 in FY2024 and not on the FY2025 list; down 4 since FY2020.
9	L3Harris Technologies, Inc. 4 awardees, including L3 Technologies, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) DOT (Department of Transportation)	$46,708,554	3.7%	Rank history: #12 in FY2022, #11 in FY2023, #9 in FY2024 and #6 in FY2025; up 6 since FY2020.
10	Tsymmetry Inc. Top agencies DOS (Department of State)	$34,442,758	2.7%	Rank history: #11 in FY2022, #8 in FY2023, #8 in FY2024 and #16 in FY2025; down 1 since FY2020.
11	Kbr, Inc. Through KBR Wyle Services, LLC Top agencies NASA (National Aeronautics and Space Administration)	$30,916,212	2.4%	Rank history: #9 in FY2022, #9 in FY2023, #19 in FY2024 and not on the FY2025 list; down 4 since FY2020.
12	The Boeing Company Top agencies USAF (Department of the Air Force)	$21,267,233	1.7%	Rank history: #14 in FY2022, #14 in FY2023, #10 in FY2024 and #9 in FY2025; up 2 since FY2020.
13	T-Mobile US Inc. 3 awardees, including Sprint Communications Co LP, T-Mobile Secure Federal Operations LLC and T-Mobile Usa, Inc. Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services) USDA (Department of Agriculture)	$19,066,329	1.5%	Rank history: #30 in FY2022 and not on the FY2023–FY2025 lists; up 29 since FY2020.
14	York Telecom Corporation Through Kinly US Corporation Top agencies SSA (Social Security Administration) HHS (Department of Health and Human Services)	$17,311,293	1.4%	Rank history: #17 in FY2022, #15 in FY2023, #61 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
15	Technology Solutions Provider, LLC Top agencies USDA (Department of Agriculture) HHS (Department of Health and Human Services) Commerce (Department of Commerce)	$16,075,194	1.3%	Rank history: #7 in FY2022, #10 in FY2023, #7 in FY2024 and not on the FY2025 list; up 2 since FY2020.
16	Long Wave Inc. Top agencies USAF (Department of the Air Force)	$13,887,266	1.1%	Rank history: #27 in FY2022, #24 in FY2023 and not on the FY2024–FY2025 lists; up 5 since FY2020.
17	Talton Communications Inc. Top agencies DHS (Department of Homeland Security)	$13,439,655	1.1%	Rank history: #15 in FY2022, #16 in FY2023 and not on the FY2024–FY2025 lists; up 8 since FY2020.
18	BAE Systems PLC Through BAE Systems Technology Solutions & Services Inc. Top agencies Navy (Department of the Navy)	$13,118,241	1.0%	Rank history: #16 in FY2022, #17 in FY2023, #21 in FY2024 and #56 in FY2025; unchanged since FY2020.
19	Global Reach Consulting LLC Top agencies USAF (Department of the Air Force)	$9,348,240	0.7%	Rank history: #23 in FY2022, #20 in FY2023, #17 in FY2024 and #13 in FY2025; up 9 since FY2020.
20	Summit Technical Solutions, LLC Top agencies USAF (Department of the Air Force)	$8,633,674	0.7%	Rank history: #24 in FY2022 and not on the FY2023–FY2025 lists; unchanged since FY2020.
21	Serco North America (Holdings) Inc Through Serco Inc. Top agencies USAF (Department of the Air Force)	$7,706,664	0.6%	Rank history: #18 in FY2022, #25 in FY2023 and not on the FY2024–FY2025 lists; up 10 since FY2020.
22	The Mental Health Association of New York City, Inc. Top agencies VA (Department of Veterans Affairs)	$7,350,822	0.6%	Rank history: #22 in FY2022, #19 in FY2023 and not on the FY2024–FY2025 lists; up 4 since FY2020.
23	Corp Ten International Top agencies Army (Department of the Army) DHS (Department of Homeland Security) USAF (Department of the Air Force)	$6,703,483	0.5%	Rank history: #26 in FY2022, #29 in FY2023 and not on the FY2024–FY2025 lists; up 39 since FY2020.
24	Northrop Grumman Corporation 4 awardees, including Northrop Grumman Systems Corporation Top agencies DOT (Department of Transportation) DISA (Defense Information Systems Agency) Navy (Department of the Navy)	$5,911,629	0.5%	Rank history: #25 in FY2022, #12 in FY2023, #13 in FY2024 and #17 in FY2025; down 5 since FY2020.
25	Alaska Native Government Services LLC Through Copper River Infrastructure Services LLC Top agencies Navy (Department of the Navy)	$5,154,417	0.4%	Rank history: #19 in FY2022, #31 in FY2023 and not on the FY2024–FY2025 lists; down 12 since FY2020.
26	National Capitol Contracting LLC 8 awardees, including Comcast Business Communications, LLC, Comcast Cable Communications, LLC and Comcast of Connecticut / Georgia / Massachusetts / New Hampshire / New York / North Carolina / Virginia / Vermont, LLC Top agencies SSA (Social Security Administration) USAF (Department of the Air Force) NEA (National Endowment for the Arts)	$5,026,434	0.4%	Rank history: not on the FY2022–FY2025 lists; up 7 since FY2020.
27	Lumen Technologies, Inc. 11 awardees, including Lumen Technologies Government Solutions, Inc., Level 3 Communications, LLC and United Telephone Company of the Carolinas LLC Top agencies Army (Department of the Army) DISA (Defense Information Systems Agency) NASA (National Aeronautics and Space Administration)	$4,525,721	0.4%	Rank history: #36 in FY2022, #13 in FY2023, not on the FY2024 list and #70 in FY2025; down 11 since FY2020.
28	NA Alii Consulting & Sales LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) DISA (Defense Information Systems Agency)	$4,406,767	0.3%	Rank history: #40 in FY2022, #66 in FY2023 and not on the FY2024–FY2025 lists; up 27 since FY2020.
29	Bytecubed LLC Through Intelliware Systems Inc. Top agencies DOJ (Department of Justice)	$4,134,352	0.3%	Rank history: #61 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
30	Team Ronco Incorporated Top agencies DOS (Department of State) DOJ (Department of Justice)	$3,874,435	0.3%	Rank history: #29 in FY2022, not on the FY2023 list, #68 in FY2024 and #58 in FY2025; unchanged since FY2020.
31	KT Corporation Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$3,608,958	0.3%	Rank history: #33 in FY2022, #32 in FY2023, #38 in FY2024 and #19 in FY2025; up 10 since FY2020.
32	BAE Systems Land & Armaments L.P. Through BAE Systems Technology Solutions & Services Inc. Top agencies Navy (Department of the Navy)	$3,074,176	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
33	B 3 Group, LLC Top agencies VA (Department of Veterans Affairs)	$3,047,759	0.2%	Rank history: #63 in FY2022, not on the FY2023 list, #25 in FY2024 and #18 in FY2025; new, not ranked in FY2020.
34	MCS of Tampa, Inc. Top agencies SBA (Small Business Administration) USAF (Department of the Air Force) DOI (Department of the Interior)	$2,960,730	0.2%	Rank history: #93 in FY2022 and not on the FY2023–FY2025 lists; down 5 since FY2020.
35	Tracktech, LLC Top agencies DOJ (Department of Justice)	$2,824,000	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
36	Optivor Technologies, LLC Top agencies HUD (Department of Housing and Urban Development) DHS (Department of Homeland Security) Army (Department of the Army)	$2,821,422	0.2%	Rank history: #41 in FY2022, #49 in FY2023 and not on the FY2024–FY2025 lists; up 4 since FY2020.
37	Granite Telecommunications, LLC Top agencies DOL (Department of Labor) FTC (Federal Trade Commission) DOE (Department of Energy)	$2,742,108	0.2%	Rank history: #48 in FY2022, #34 in FY2023, #49 in FY2024 and #26 in FY2025; up 2 since FY2020.
38	Arcticom, LLC Top agencies DISA (Defense Information Systems Agency)	$2,587,842	0.2%	Rank history: #55 in FY2022, #57 in FY2023 and not on the FY2024–FY2025 lists; up 18 since FY2020.
39	Valkyrie Enterprises, LLC Top agencies USAF (Department of the Air Force)	$2,500,000	0.2%	Rank history: #46 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
40	Babylon Telecommunications, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$2,469,650	0.2%	Rank history: #47 in FY2022, #44 in FY2023, #29 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
41	Delta Solutions & Strategies LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$2,423,561	0.2%	Rank history: #35 in FY2022, #41 in FY2023, #32 in FY2024 and not on the FY2025 list; down 5 since FY2020.
42	Quantum Technologies, Inc. Top agencies OSD (Office of the Secretary of Defense)	$2,326,657	0.2%	Rank history: #75 in FY2022 and not on the FY2023–FY2025 lists; up 75 since FY2020.
43	Dawson Enterprises, Inc. Top agencies Navy (Department of the Navy)	$2,234,780	0.2%	Rank history: #43 in FY2022, #39 in FY2023, #31 in FY2024 and #42 in FY2025; up 6 since FY2020.
44	Cherokee Nation Through Cherokee Federal Solutions, L.L.C. Top agencies USAF (Department of the Air Force)	$2,148,552	0.2%	Rank history: #60 in FY2022, #37 in FY2023 and not on the FY2024–FY2025 lists; up 8 since FY2020.
45	Afognak Native Corporation Through Alutiiq Information Management, LLC Top agencies DOS (Department of State)	$2,022,564	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
46	Showcall Inc. Top agencies DISA (Defense Information Systems Agency)	$1,956,862	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
47	Acorn Growth Companies LLC Through Telecommunication Support Services, Inc. Top agencies USAF (Department of the Air Force)	$1,929,403	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
48	BT North America Inc. 2 awardees, including 22Nd Century Networks, Inc. and British Telecommunications Public Limited Company Top agencies USAF (Department of the Air Force) DOS (Department of State)	$1,907,454	0.1%	Rank history: #31 in FY2022, #64 in FY2023 and not on the FY2024–FY2025 lists; down 21 since FY2020.
49	Cynergy Professional Systems LLC Top agencies DOT (Department of Transportation)	$1,875,168	0.1%	Rank history: #34 in FY2022, #61 in FY2023, #41 in FY2024 and #38 in FY2025; up 12 since FY2020.
50	Convergeone Inc. 2 awardees, including Convergeone Government Solutions, LLC Top agencies EPA (Environmental Protection Agency) DOI (Department of the Interior)	$1,782,943	0.1%	Rank history: not on the FY2022–FY2025 lists; up 10 since FY2020.
51	LG Uplus Corp. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$1,691,773	0.1%	Rank history: #54 in FY2022, #50 in FY2023, #52 in FY2024 and #35 in FY2025; up 8 since FY2020.
52	Telecom Italia SPA Through Telecom Italia SPA O TIM S.P.A. Top agencies Navy (Department of the Navy)	$1,624,638	0.1%	Rank history: #49 in FY2022, #46 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
53	Aleut Aerospace Engineering, LLC Top agencies DOE (Department of Energy)	$1,555,272	0.1%	Rank history: #44 in FY2022, #40 in FY2023 and not on the FY2024–FY2025 lists; up 1 since FY2020.
54	Infinity Integrated Solutions LLC Top agencies Navy (Department of the Navy)	$1,512,957	0.1%	Rank history: #52 in FY2022, #42 in FY2023, #36 in FY2024 and #25 in FY2025; new, not ranked in FY2020.
55	Telefon AB L M Ericsson 2 awardees, including Iconectiv, LLC and Ericsson Inc. Top agencies GSA (General Services Administration) DHS (Department of Homeland Security) VA (Department of Veterans Affairs)	$1,446,250	0.1%	Rank history: #56 in FY2022, #47 in FY2023, #45 in FY2024 and not on the FY2025 list; up 19 since FY2020.
56	At&T Inc. 18 awardees, including At&T Enterprises, LLC, Pacific Bell Telephone Company and At&T Technical Services Company, Inc. Top agencies DHS (Department of Homeland Security) DOT (Department of Transportation) DOJ (Department of Justice)	$1,297,627	0.1%	Rank history: #32 in FY2022, #22 in FY2023, #16 in FY2024 and #91 in FY2025; up 32 since FY2020.
57	Meggitt PLC Through Meggitt Defense Systems, Inc. Top agencies USAF (Department of the Air Force)	$1,296,407	0.1%	Rank history: #68 in FY2022, #53 in FY2023 and not on the FY2024–FY2025 lists; up 68 since FY2020.
58	Widescope Consulting & Contracting Services LLC Top agencies DISA (Defense Information Systems Agency) Navy (Department of the Navy)	$1,290,239	0.1%	Rank history: not on the FY2022–FY2025 lists; down 20 since FY2020.
59	University System of New Hampshire Top agencies NASA (National Aeronautics and Space Administration)	$1,195,300	0.1%	Rank history: #62 in FY2022, #54 in FY2023, #54 in FY2024 and not on the FY2025 list; up 11 since FY2020.
60	Telecommunication Support Services Inc. Top agencies USAF (Department of the Air Force)	$1,092,760	0.1%	Rank history: not on the FY2022–FY2025 lists; down 38 since FY2020.
61	Telefonica Celular S.a. DE C.V. 4 awardees, including Tigo, Comunicaciones Celulares S.A. and Telemovil El Salvador, S.A. De C.V. Top agencies DOS (Department of State) Navy (Department of the Navy) Army (Department of the Army)	$1,049,611	0.1%	Rank history: not on the FY2022–FY2025 lists; up 4 since FY2020.
62	The Charles Stark Draper Laboratory, Inc. Top agencies USSOCOM (United States Special Operations Command)	$1,048,152	0.1%	Rank history: #42 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
63	Globecomm Systems Inc. Through Ultisat, Inc. Top agencies USAF (Department of the Air Force) DOS (Department of State) DISA (Defense Information Systems Agency)	$1,015,515	0.1%	Rank history: #58 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
64	Pro TECH Cbb, LLC Top agencies DOT (Department of Transportation)	$950,969	0.1%	Rank history: not on the FY2022 list, #73 in FY2023 and not on the FY2024–FY2025 lists; up 86 since FY2020.
65	Kupono Government Services, LLC Top agencies Navy (Department of the Navy)	$925,880	0.1%	Rank history: #72 in FY2022 and not on the FY2023–FY2025 lists; up 8 since FY2020.
66	Teracai Corporation Top agencies DOI (Department of the Interior)	$919,404	0.1%	Rank history: #65 in FY2022 and not on the FY2023–FY2025 lists; up 6 since FY2020.
67	The American Association of Motor Vehicle Administrators Top agencies GSA (General Services Administration)	$908,501	0.1%	Rank history: #59 in FY2022, #51 in FY2023, #86 in FY2024 and #31 in FY2025; new, not ranked in FY2020.
68	Albittel Co. Top agencies USAF (Department of the Air Force)	$892,920	0.1%	Rank history: not on the FY2022 list, #59 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
69	Crown Castle Fiber LLC 5 awardees, including Pinnacle Towers LLC, Crown Communication Llc. and Ccatt LLC Top agencies DOJ (Department of Justice) Treasury (Department of the Treasury) DISA (Defense Information Systems Agency)	$784,008	0.1%	Rank history: #77 in FY2022 and not on the FY2023–FY2025 lists; up 23 since FY2020.
70	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)	$782,780	0.1%	Rank history: #66 in FY2022, #95 in FY2023, #93 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
71	Callyo 2009 Corp Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice) Commerce (Department of Commerce)	$734,498	0.1%	Rank history: #71 in FY2022, #58 in FY2023, #58 in FY2024 and not on the FY2025 list; down 2 since FY2020.
72	Iron Bow Technologies, LLC Top agencies DOT (Department of Transportation) DOI (Department of the Interior)	$731,775	0.1%	Rank history: not on the FY2022–FY2025 lists; down 22 since FY2020.
73	Adam Phones Limited Top agencies DOS (Department of State)	$729,169	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
74	Intific Inc Through Gatr Technologies, Inc. Top agencies Navy (Department of the Navy)	$710,925	0.1%	Rank history: not on the FY2022–FY2025 lists; down 62 since FY2020.
75	Content Guru Inc. Top agencies DOS (Department of State)	$686,826	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
76	Burton Enterprises, L.L.C. Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services)	$677,906	0.1%	Rank history: not on the FY2022–FY2025 lists; up 36 since FY2020.
77	ACG Systems, Inc. Top agencies VA (Department of Veterans Affairs)	$642,119	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
78	Asrc Federal Data Networx, LLC Top agencies NRC (Nuclear Regulatory Commission)	$618,613	<0.1%	Rank history: #74 in FY2022, #60 in FY2023, #91 in FY2024 and not on the FY2025 list; down 15 since FY2020.
79	Sprint Communications Co LP Top agencies DOI (Department of the Interior) NSF (National Science Foundation) DOL (Department of Labor)	$611,567	<0.1%	Rank history: not on the FY2022–FY2024 lists and #23 in FY2025; down 12 since FY2020.
80	3RD Eye Technologies LLC Top agencies DOJ (Department of Justice)	$590,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 13 since FY2020.
81	RCS Radio and Satellite Communication Ltd Top agencies USAID (US Agency for International Development)	$581,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
82	Marine Exchange of Alaska, Inc. Top agencies DHS (Department of Homeland Security)	$567,256	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 29 since FY2020.
83	Global Broadband Solutions LLC Top agencies DISA (Defense Information Systems Agency)	$559,832	<0.1%	Rank history: #38 in FY2022, #36 in FY2023, #33 in FY2024 and #22 in FY2025; new, not ranked in FY2020.
84	Cellucity (Pty) Ltd Top agencies DOS (Department of State) HHS (Department of Health and Human Services)	$554,527	<0.1%	Rank history: #84 in FY2022, #71 in FY2023, #67 in FY2024 and #97 in FY2025; down 7 since FY2020.
85	Reed Elsevier Inc. Through Lexisnexis Risk Solutions Inc. Top agencies Army (Department of the Army)	$552,960	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 5 since FY2020.
86	Inalab Consulting, Inc. Top agencies NSF (National Science Foundation)	$549,214	<0.1%	Rank history: #88 in FY2022 and not on the FY2023–FY2025 lists; up 1 since FY2020.
87	MJ Sales, Inc. Top agencies DOT (Department of Transportation)	$521,674	<0.1%	Rank history: #90 in FY2022 and not on the FY2023–FY2025 lists; up 20 since FY2020.
88	Easier Communications, Llc. Top agencies VA (Department of Veterans Affairs)	$516,808	<0.1%	Rank history: #76 in FY2022, #65 in FY2023 and not on the FY2024–FY2025 lists; down 3 since FY2020.
89	Aviat Networks Inc. Through Aviat U.s., Inc. Top agencies Army (Department of the Army)	$508,208	<0.1%	Rank history: not on the FY2022 list, #18 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
90	Deutsche Telekom Business Solutions GMBH 3 awardees, including T-Systems International GMBH and Slovak Telekom, A.S. Top agencies DOS (Department of State) DSCA (Defense Security Cooperation Agency)	$503,489	<0.1%	Rank history: #100 in FY2022 and not on the FY2023–FY2025 lists; down 12 since FY2020.
91	Gicellphone Corp. Top agencies Army (Department of the Army) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$494,803	<0.1%	Rank history: not on the FY2022 list, #97 in FY2023, #60 in FY2024 and not on the FY2025 list; down 11 since FY2020.
92	B & H International LLC Top agencies Navy (Department of the Navy)	$489,699	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 160 since FY2020.
93	Four Points Technology, L.L.C. Top agencies DOT (Department of Transportation) VA (Department of Veterans Affairs)	$477,338	<0.1%	Rank history: #92 in FY2022 and not on the FY2023–FY2025 lists; up 2 since FY2020.
94	The Bizzell Group LLC Top agencies HHS (Department of Health and Human Services)	$476,651	<0.1%	Rank history: #95 in FY2022, #77 in FY2023, #73 in FY2024 and #53 in FY2025; up 5 since FY2020.
95	Veterans Yielding Better Opportunities LLC Top agencies USAF (Department of the Air Force)	$471,603	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
96	Mayhew Technology Solutions, LLC Top agencies Army (Department of the Army)	$462,327	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 31 since FY2020.
97	Cox Enterprises, Inc. 12 awardees, including Cox Arizona Telecom LLC, Cox Communications Hampton Roads, L.L.C. and Cox Virginia Telcom, L.l.c Top agencies DOJ (Department of Justice) VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$452,305	<0.1%	Rank history: not on the FY2022 list, #87 in FY2023 and not on the FY2024–FY2025 lists; down 3 since FY2020.
98	Pen-Link, Ltd Top agencies DHS (Department of Homeland Security)	$447,764	<0.1%	Rank history: #99 in FY2022, #72 in FY2023 and not on the FY2024–FY2025 lists; up 3 since FY2020.
99	Sendum Wireless Corp Top agencies DHS (Department of Homeland Security)	$447,484	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
100	G-Star Telecom, Inc. Top agencies Treasury (Department of the Treasury) USDA (Department of Agriculture)	$444,964	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 2 since FY2020.

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100 of 719 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 5179

Code	Net obligations	Largest contractor
517919 All Other Telecommunications	$1,002,111,660	HP Enterprise Services LLC
517911 Telecommunications Resellers	$213,211,320	Widepoint Corporation

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 $1.28 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 2021 ran Oct 1, 2020 – Sep 30, 2021. 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 FY2020. "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 FY2020 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 5179 contractors in FY2021?

1. HP Enterprise Services LLC ($201M), 2. RTX Corporation ($156M), 3. Lockheed Martin Corporation ($105M), 4. Widepoint Corporation ($69.8M), 5. Verizon Communications Inc. ($69.8M), 6. Indyne, Inc. ($69.6M), 7. General Dynamics Corporation ($59.9M), 8. Advanced Technology Systems Inc. ($57M), 9. L3Harris Technologies, Inc. ($46.7M), 10. Tsymmetry Inc. ($34.4M).

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