Company lists · Data refreshed September 2026
Top 25 Telecom infrastructure security companies worldwide
RevenueBase identified 5,283 telecom infrastructure security companies worldwide as of September 2026 and tracks 111,183 professional contacts across them, including 32,387 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers telecom infrastructure security 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 infrastructure security 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 infrastructure security companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 18,431 contacts → | ||||
Indirect evidence “Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 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. | |||||
| 3 | 4,248 contacts → | ||||
Partial 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 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 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 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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. | |||||
| 6 | 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. | |||||
| 7 | 857 contacts → | ||||
Indirect evidence “NEC has delivered world-class technology solutions and services to customers across the globe, for more than a century.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 856 contacts → | ||||
Indirect evidence “Allot Ltd.(NASDAQ: ALLT, TASE: ALLT) is a provider of leading innovative converged cybersecurity solutions and network intelligence for service providers and enterprises…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 789 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 777 contacts → | ||||
Partial evidence “We are leading provider of telecom business intelligence and device management solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 673 contacts → | ||||
Strong evidence “A10 Networks provides security and infrastructure solutions for on-premises, hybrid cloud, and edge-cloud environments.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 638 contacts → | ||||
Partial evidence “Enea is a global specialist in advanced telecom and cybersecurity software, with a vision to make the world’s communications safer and more efficient.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 538 contacts → | ||||
Partial evidence “Raycap is a privately-held technology solutions provider offering products and services that support and protect the world’s critical telecommunications, energy, transportation…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 498 contacts → | ||||
Indirect evidence “Kordia is a leading provider of mission-critical technology solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 472 contacts → | ||||
Strong evidence “Altius is the leading telecom infrastructure platform in India with a portfolio of telecom sites which includes 7,600+ In-Building and Small Cell Solutions across 22 telecom…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 470 contacts → | ||||
Indirect evidence “We free IT leaders to do what matters.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 439 contacts → | ||||
Partial evidence “Narula Infrastructure Private Limited (NIPL) is an ISO 9001:2015, 14001:2015 and OHSAS 18001:2007 certified company.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 410 contacts → | ||||
Strong evidence “A global leader in Homeland Security (HLS), Communication Infrastructure and Defense Communications, with decades of experience delivering holistic, customized solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 394 contacts → | ||||
Indirect evidence “CPX is redefining how nations and industries secure their future.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 394 contacts → | ||||
Strong evidence “Established in 2006, XAD Technologies LLC is an ISO-certied company offering services in the elds of Telecommunication, IT networks, managed services, staff outsourcing, security…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 388 contacts → | ||||
Indirect evidence “ITSEC Asia is a leading cybersecurity company in Indonesia, listed on the Indonesian Stock Exchange (“CYBR”), with over 400 employees across five countries.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 370 contacts → | ||||
Partial evidence “Innovis Telecom Services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 358 contacts → | ||||
Strong evidence “National Company of Telecommunications and Information Security (NTIS) is a leading Saudi company in the field of research and development, production, support and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 345 contacts → | ||||
Indirect evidence “Claro, a subsidiary of América Móvil, is a global integrator with over 20 years of experience and your partner for managing secure-by-design cybersecurity and information…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 337 contacts → | ||||
Indirect evidence “with (-) Established on January 10, 2007, PGNCOM is a prominent provider of high-capacity fiber optic networks.” 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 infrastructure security 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 infrastructure security companies.
- Partial evidence
- Its own public description names part of telecom infrastructure security companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name telecom infrastructure security 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 5,283 telecom infrastructure security companies worldwide
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Telecom infrastructure security 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 infrastructure security 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 infrastructure security companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “telecom infrastructure security 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 infrastructure security 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 infrastructure security 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, 32,387 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 infrastructure security companies by location
29 lists · largest firstEvery Telecom infrastructure security companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Telecom infrastructure security companies based in the United States739
- Telecom infrastructure security companies based in Brazil452
- Telecom infrastructure security companies based in India291
- Telecom infrastructure security companies based in France243
- Telecom infrastructure security companies based in the United Kingdom224
- Telecom infrastructure security companies based in Mexico171
- Telecom infrastructure security companies based in Spain127
- Telecom infrastructure security companies based in Italy123
- Telecom infrastructure security companies based in Canada119
- Telecom infrastructure security companies based in Germany116
- Telecom infrastructure security companies based in the United Arab Emirates96
- Telecom infrastructure security companies based in Türkiye88
- Telecom infrastructure security companies based in Australia80
- Telecom infrastructure security companies based in the Netherlands68
- Telecom infrastructure security companies based in Saudi Arabia66
- Telecom infrastructure security companies based in Argentina65
- Telecom infrastructure security companies based in Colombia63
- Telecom infrastructure security companies based in Poland63
- Telecom infrastructure security companies based in Peru58
- Telecom infrastructure security companies based in South Africa58
- Telecom infrastructure security companies based in Chile51
- Telecom infrastructure security companies based in Indonesia42
- Telecom infrastructure security companies based in Sweden40
- Telecom infrastructure security companies based in Belgium36
- Telecom infrastructure security companies based in Israel36
Cities
- Telecom infrastructure security companies based in Sao Paulo, Brazil85
- Telecom infrastructure security companies based in Dubai, United Arab Emirates53
- Telecom infrastructure security companies based in London, United Kingdom50
- Telecom infrastructure security companies based in Riyadh, Saudi Arabia36
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 infrastructure security 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 infrastructure security companies are there worldwide?
RevenueBase identified 5,283 telecom infrastructure security 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?
Palo Alto Networks, headquartered in Santa Clara, tops this list with the largest team on record.
Which country has the most telecom infrastructure security companies?
The United States leads with 739 companies, followed by Brazil (452) and India (291). Every telecom infrastructure security companies list by country and city is linked on this page.
Which city has the most telecom infrastructure security companies?
Sao Paulo leads with 85 headquartered companies, followed by Dubai (53) and London (51).
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 32,387 verified decision-maker contacts tracked across these 5,283 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.