Company lists · Data refreshed September 2026

Top 25 Managed service providers for telecom worldwide

Name: Managed service providers for telecom worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 21,287 companies tracked

RevenueBase identified 21,287 managed service providers for telecom worldwide as of September 2026 and tracks 876,142 professional contacts across them, including 173,758 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers managed service providers for telecom worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026. Country and city lists for managed service providers for telecom follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

21,287Companies

876,142Contacts tracked

173,758Verified emails

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The 25 largest managed service providers for telecom worldwide

Ranked by team size

Top 25 of 21,287 managed service providers for telecom worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to managed service providers for telecom: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	At&t	Indirect evidence	Dallas, TX, United StatesHQ checked Sep 28, 2026	10001+	149,412 contacts →
	Indirect evidence “We understand that our customers want an easier, less complicated life.” Source: RevenueBase Database · checked Sep 28, 2026
2	Orange	Partial evidence	Issy-les-moulineaux, FranceHQ checked Sep 28, 2026	10001+	71,767 contacts →
	Partial evidence “Orange is one of the world’s leading telecommunications operators with revenues of 40.3 billion euros in 2024 and employees worldwide at 31 December 2024, including employees in…” Source: RevenueBase Database · checked Sep 28, 2026
3	VOIS	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	10001+	19,325 contacts →
	Indirect evidence “VOIS (Vodafone Intelligent Solutions) is a strategic arm of Vodafone Group Plc, creating value for customers by delivering intelligent solutions through Talent, Technology &…” Source: RevenueBase Database · checked Sep 28, 2026
4	Telecom Egypt	Partial evidence	Smart Village, EgyptHQ checked Sep 28, 2026	10001+	14,061 contacts →
	Partial evidence “Since its establishment in 1854, Telecom Egypt has played a pivotal role in driving growth within the local ICT market capitalizing on its vast infrastructure, which is one of the…” Source: RevenueBase Database · checked Sep 28, 2026
5	Verizon Business	Indirect evidence	Basking Ridge, NJ, United StatesHQ checked Sep 28, 2026	10001+	12,837 contacts →
	Indirect evidence “You’re more than a business, agency or organization leader.” Source: RevenueBase Database · checked Sep 28, 2026
6	Turkcell	Partial evidence	Istanbul, TürkiyeHQ checked Sep 28, 2026	5,001-10,000	12,790 contacts →
	Partial evidence “Turkcell is a converged telecommunication and technology services provider, founded and headquartered in Türkiye.” Source: RevenueBase Database · checked Sep 28, 2026
7	Netcracker Technology	Indirect evidence	Waltham, MA, United StatesHQ checked Sep 28, 2026	10001+	8,651 contacts →
	Indirect evidence “Netcracker Technology, a wholly owned subsidiary of NEC Corporation, helps service providers around the world transform and grow in the digital economy.” Source: RevenueBase Database · checked Sep 28, 2026
8	Serede	Partial evidence	Rio De Janeiro, BrazilHQ checked Sep 28, 2026	10001+	8,011 contacts →
	Partial evidence “A Serede é uma empresa prestadora de serviços de implantação e manutenção em redes de Telecom, fundada em 06 de agosto de 2007.” Source: RevenueBase Database · checked Sep 28, 2026
9	Windstream	Indirect evidence	Little Rock, AR, United StatesHQ checked Sep 28, 2026	10001+	7,275 contacts →
	Indirect evidence “Windstream and Uniti have merged - Please follow us at Uniti Group, Inc.” Source: RevenueBase Database · checked Sep 28, 2026
10	Vodafone Business	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	10001+	6,767 contacts →
	Indirect evidence “Vodafone Business is part of the Vodafone Group.” Source: RevenueBase Database · checked Sep 28, 2026
11	Ufone 5g	Partial evidence	Islamabad, PakistanHQ checked Sep 28, 2026	1,001-5,000	6,511 contacts →
	Partial evidence “Ufone is a wholly owned subsidiary of Pakistan Telecommunication Company Limited (PTCL).” Source: RevenueBase Database · checked Sep 28, 2026
12	Dialog Axiata PLC	Partial evidence	Colombo 2, Sri LankaHQ checked Sep 28, 2026	1,001-5,000	5,338 contacts →
	Partial evidence “Dialog Axiata PLC is Sri Lanka’s flagship telecommunications service provider, which operates Dialog Mobile– the country’s largest mobile network.” Source: RevenueBase Database · checked Sep 28, 2026
13	Icomon Tecnologia Ltda	Partial evidence	São Paulo, BrazilHQ checked Sep 28, 2026	10001+	4,895 contacts →
	Partial evidence “A Icomon atua há 37 anos com alta performance em tecnologia e telecomunicações.” Source: RevenueBase Database · checked Sep 28, 2026
14	Viavi Solutions	Indirect evidence	Chandler, AZ, United StatesHQ checked Sep 28, 2026	1,001-5,000	4,248 contacts →
	Indirect evidence “VIAVI Solutions (NASDAQ: VIAV) is a global leader in both network and service enablement and optical security performance products and solutions.” Source: RevenueBase Database · checked Sep 28, 2026
15	Spark NEW Zealand	Indirect evidence	Cbd, New ZealandHQ checked Sep 28, 2026	5,001-10,000	4,023 contacts →
	Indirect evidence “In today’s fast-paced digital world, Spark is here to help all New Zealanders stay ahead.” Source: RevenueBase Database · checked Sep 28, 2026
16	Circet	Partial evidence	Paris, FranceHQ checked Sep 28, 2026	10001+	3,901 contacts →
	Partial evidence “A global player in the telecom infrastructure services industry, the Circet Group provides operators, local authorities and key accounts throughout the world with an integrated…” Source: RevenueBase Database · checked Sep 28, 2026
17	Wind TRE	Indirect evidence	Milano, ItalyHQ checked Sep 28, 2026	5,001-10,000	3,850 contacts →
	Indirect evidence “WINDTRE è l’operatore italiano che offre connessioni, energia e prodotti assicurativi*.” Source: RevenueBase Database · checked Sep 28, 2026
18	Omantel	Partial evidence	Muscat, OmanHQ checked Sep 28, 2026	1,001-5,000	3,670 contacts →
	Partial evidence “Omantel is the leading and main provider of integrated telecommunication solutions in Oman.” Source: RevenueBase Database · checked Sep 28, 2026
19	Sunrise	Partial evidence	Glattpark (opfikon), SwitzerlandHQ checked Sep 28, 2026	1,001-5,000	3,284 contacts →
	Partial evidence “Sunrise is Switzerland’s leading challenger in the telecommunications market and is listed on the SIX Swiss Exchange (SUNN).” Source: RevenueBase Database · checked Sep 28, 2026
20	Alcatel-Lucent Enterprise	Indirect evidence	92707 Colombes, GermanyHQ checked Sep 28, 2026	1,001-5,000	2,811 contacts →
	Indirect evidence “Alcatel-Lucent Enterprise provides secure networking and communication solutions which enable organizations and industries to accelerate their operational efficiencies and…” Source: RevenueBase Database · checked Sep 28, 2026
21	GTL Limited	Partial evidence	Navi Mumbai, IndiaHQ checked Sep 28, 2026	1,001-5,000	2,780 contacts →
	Partial evidence “GTL, a Global Group Enterprise, is a leading Network Services company, offering services and solutions to address the Network Life Cycle requirements of Telecom Operators…” Source: RevenueBase Database · checked Sep 28, 2026
22	Airtel Business	Indirect evidence	Gurgaon, IndiaHQ checked Sep 28, 2026	10001+	2,760 contacts →
	Indirect evidence “The B2B arm of Bharti Airtel, we are India's leading provider of secure and reliable connectivity, technology, and communications solutions.” Source: RevenueBase Database · checked Sep 28, 2026
23	Procisa DO Brasil	Indirect evidence	São Paulo, BrazilHQ checked Sep 28, 2026	1,001-5,000	2,538 contacts →
	Indirect evidence “Prazer, somos a Procisa do Brasil!” Source: RevenueBase Database · checked Sep 28, 2026
24	Spread Tecnologia	Indirect evidence	São Paulo, BrazilHQ checked Sep 28, 2026	1,001-5,000	2,521 contacts →
	Indirect evidence “With over 30 years of experience in Information and Communication Technology market, the Spread has extensive experience and expertise in the field and has the challenge of…” Source: RevenueBase Database · checked Sep 28, 2026
25	Starhub	Indirect evidence	SingaporeHQ checked Sep 28, 2026	1,001-5,000	2,492 contacts →
	Indirect evidence “StarHub is a leading homegrown Singapore company that connects people, businesses and communities to the possibilities of the digital world.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: managed service providers for telecom. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names managed service providers for telecom.
Partial evidence: Its own public description names part of managed service providers for telecom, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name managed service providers for telecom. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 21,287 managed service providers for telecom worldwide

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Managed service providers for telecom worldwide at a glance

As of Sep 28, 2026

19.8%Verified-email coverage

41.2Average contacts per company

11-50Median size (employees)

1.6%Largest-city concentration · Sao Paulo

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

9,167

11-50

7,941

51-200

2,698

201-500

754

501-1,000

274

1,001-5,000

266

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among managed service providers for telecom, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for managed service providers for telecom are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “managed service providers for telecom”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names managed service providers for telecom), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among managed service providers for telecom, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 173,758 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Managed service providers for telecom by location

112 lists · largest first

Every Managed service providers for telecom list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names managed service providers for telecom, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many managed service providers for telecom are there worldwide?

RevenueBase identified 21,287 managed service providers for telecom worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

At&t, headquartered in Dallas, tops this list with the largest team on record.

Which country has the most managed service providers for telecom?

The United States leads with 3,913 companies, followed by Brazil (1,599) and the United Kingdom (1,525). Every managed service providers for telecom list by country and city is linked on this page.

Which city has the most managed service providers for telecom?

Sao Paulo leads with 339 headquartered companies, followed by London (289) and Dubai (126).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 173,758 verified decision-maker contacts tracked across these 21,287 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.