Company lists · Data refreshed September 2026
Top 25 Telecom cloud infrastructure software companies worldwide
RevenueBase identified 2,206 telecom cloud infrastructure software companies worldwide as of September 2026 and tracks 200,794 professional contacts across them, including 46,280 with verified work emails. The United States is the largest market and London the largest hub.
This list covers telecom cloud infrastructure software companies 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 29, 2026. Country and city lists for telecom cloud infrastructure software companies 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.
The 25 largest telecom cloud infrastructure software companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 39,863 contacts → | ||||
Indirect evidence “Who are we?” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 17,326 contacts → | ||||
Strong evidence “Broadcom's VMware software manages cloud complexity so customers can modernize infrastructure, accelerate app development, and protect workloads, wherever these reside.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 8,549 contacts → | ||||
Partial evidence “Indus Towers Limited is one of the world’s largest telecom tower companies, formed by the merger of Bharti Infratel and Indus Towers in 2020.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 7,585 contacts → | ||||
Indirect evidence “Etihad Etisalat (Mobily) is a Saudi company launched commercially in May 2005.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 7,275 contacts → | ||||
Indirect evidence “Windstream and Uniti have merged - Please follow us at Uniti Group, Inc.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 5,391 contacts → | ||||
Partial evidence “STL is a global leader in advanced connectivity solutions, providing end-to-end solutions for building AI-ready infrastructure, FTTx, Rural, Enterprise and Data Centre networks.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 4,443 contacts → | ||||
Strong evidence “Mavenir is enabling intelligent, automated, programmable networks through the development of telco-first, cloud-native, AI-by-design software solutions for mobile operators.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 2,430 contacts → | ||||
Partial evidence “Rakuten Symphony is reimagining telecom, changing supply chain norms and disrupting outmoded thinking that threatens the industry’s pursuit of rapid innovation and growth.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 2,387 contacts → | ||||
Partial evidence “Ribbon Communications (Nasdaq: RBBN) is a global provider of voice communications software, IP routing, and optical networking to mobile and wireline service providers…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 2,106 contacts → | ||||
Indirect evidence “Adtran, Inc.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 1,966 contacts → | ||||
Partial evidence “We are Japan’s global telecommunications pioneer and a Global Fortune 500 company, providing our international customer base with data centers, networks, content delivery, system…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 1,959 contacts → | ||||
Indirect evidence “Infinera is now part of Nokia.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 1,793 contacts → | ||||
Partial evidence “TNS is a global provider of Infrastructure-as-a-Service (IaaS) solutions to the financial, communications and payments markets.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 1,742 contacts → | ||||
Partial evidence “Radisys is a proven, global leader in open telecom solutions and services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 1,573 contacts → | ||||
Strong evidence “From a regional telecom networks builder in 1967 in Quebec (Canada), Telecon has grown into a world-class industry-leading telecom networks design, infrastructure and connectivity…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 1,510 contacts → | ||||
Strong evidence “Moratelindo is part of PT Ekamas Mora RepublikTbk (MoraRepublic), one of Indonesia’s largest integrated infrastructure Telecommunication and connectivity providers.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 1,287 contacts → | ||||
Strong evidence “On this channel, we discuss the convergence of cloud software and services to prepare for mobile networks of the future.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 981 contacts → | ||||
Indirect evidence “HGC Global Communications Limited (HGC) is a leading Hong Kong and international fixed-line operator.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 950 contacts → | ||||
Strong evidence “Segra owns and operates a wide and dense fiber-optic infrastructure footprint that provides state-of-the-art connectivity, cybersecurity, voice, cloud and colocation solutions…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 892 contacts → | ||||
Strong evidence “GTL Infrastructure Ltd.(GTL Infra), a Global Group Company is India's leading independent and neutral, telecom tower company.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 798 contacts → | ||||
Partial evidence “Somos un equipo de expertos en Telecomunicaciones y Tecnologías de Información.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 797 contacts → | ||||
Strong evidence “Whale Cloud Technology Co, Ltd ("Whale Cloud") is a leading technology company providing diverse software solutions and professional services, including business support system…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 789 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 662 contacts → | ||||
Indirect evidence “Amantya Technologies is a pioneering force in product engineering and IT services, delivering practical, problem-solving technology across industries.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 578 contacts → | ||||
Indirect evidence “Uniti Fiber is a wholly owned subsidiary of Uniti Group,a publicly traded Real Estate Investment Trust (REIT).” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
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: telecom cloud infrastructure software companies. 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 telecom cloud infrastructure software companies.
- Partial evidence
- Its own public description names part of telecom cloud infrastructure software companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name telecom cloud infrastructure software companies. 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 2,206 telecom cloud infrastructure software companies worldwide
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Telecom cloud infrastructure software companies worldwide at a glance
As of Sep 29, 2026Companies by employee count
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 telecom cloud infrastructure software companies, 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 telecom cloud infrastructure software companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “telecom cloud infrastructure software companies”. 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 telecom cloud infrastructure software companies), 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 telecom cloud infrastructure software companies, 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, 46,280 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 29, 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.
Telecom cloud infrastructure software companies by location
13 lists · largest firstEvery Telecom cloud infrastructure software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Telecom cloud infrastructure software companies based in the United States421
- Telecom cloud infrastructure software companies based in India220
- Telecom cloud infrastructure software companies based in the United Kingdom161
- Telecom cloud infrastructure software companies based in Brazil131
- Telecom cloud infrastructure software companies based in France82
- Telecom cloud infrastructure software companies based in Germany69
- Telecom cloud infrastructure software companies based in Spain56
- Telecom cloud infrastructure software companies based in Australia49
- Telecom cloud infrastructure software companies based in Canada45
- Telecom cloud infrastructure software companies based in the Netherlands45
- Telecom cloud infrastructure software companies based in Italy44
- Telecom cloud infrastructure software companies based in Mexico30
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 telecom cloud infrastructure software companies, 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 telecom cloud infrastructure software companies are there worldwide?
RevenueBase identified 2,206 telecom cloud infrastructure software companies 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?
Amdocs, headquartered in Chesterfield, tops this list with the largest team on record.
Which country has the most telecom cloud infrastructure software companies?
The United States leads with 421 companies, followed by India (220) and the United Kingdom (161). Every telecom cloud infrastructure software companies list by country and city is linked on this page.
Which city has the most telecom cloud infrastructure software companies?
London leads with 43 headquartered companies, followed by Sao Paulo (32) and Mumbai (24).
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 46,280 verified decision-maker contacts tracked across these 2,206 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 29, 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.