Company lists · Data refreshed November 2026

Top 25 Telecom encryption companies worldwide

RevenueBase identified 1,335 company matches for telecom encryption companies worldwide as of November 2026 and tracks 44,581 professional contacts across them, including 17,066 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for telecom encryption companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for telecom encryption companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,335Companies
44,581Contacts tracked
17,066Verified emails
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The 25 largest telecom encryption companies worldwide

Ranked by team size
Top 25 of 1,335 company matches for telecom encryption companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSunnyvale, CA, United StatesHQ recorded Nov 6, 202610001+15,414 contacts →

Exact match

“Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchChandler, AZ, United StatesHQ recorded Nov 6, 20261,001-5,0004,595 contacts →

Exact match

“VIAVI Solutions (NASDAQ: VIAV) is a global leader in both network and service enablement and optical security performance products and solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact match92707 Colombes, GermanyHQ recorded Nov 6, 20261,001-5,0002,980 contacts →

Exact match

“Alcatel-Lucent Enterprise provides secure networking and communication solutions which enable organizations and industries to accelerate their operational efficiencies and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchEssen, GermanyHQ recorded Nov 6, 20261,001-5,000680 contacts →

Exact match

“secunet – We are the Guardians of Europe's Digital Freedom.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchStockholm, SwedenHQ recorded Nov 6, 2026501-1,000676 contacts →

Exact match

“Enea is a global specialist in advanced telecom and cybersecurity software, with a vision to make the world’s communications safer and more efficient.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHelsinki, FinlandHQ recorded Nov 6, 2026n/a622 contacts →

Exact match

“We are a European cybersecurity company that helps businesses secure critical data and communications between systems, automated applications, and people with defensive…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchAachen, GermanyHQ recorded Nov 6, 2026501-1,000511 contacts →

Exact match

“As society grows more connected, it becomes more dependent on digital systems and critical infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchPortsmouth, NH, United StatesHQ recorded Nov 6, 2026501-1,000488 contacts →

Exact match

“We free IT leaders to do what matters.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMiramar, FL, United StatesHQ recorded Nov 6, 2026201-500356 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchWarsaw, PolandHQ recorded Nov 6, 2026501-1,000341 contacts →

Exact match

“We are a leading Polish provider of telecommunications, ICT, and cybersecurity technologies with over 30 years of experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBellevue, CA, United StatesHQ recorded Nov 6, 202651-200284 contacts →

Exact match

“Network Computing Architects, Inc.(NCA) is a rapidly growing, quality-driven technology provider of services and telecommunication products for businesses of all sizes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchGeneva, FL, SwitzerlandHQ recorded Nov 6, 202651-200280 contacts →

Exact match

“Mada is a telecoms solutions provider with offices in Europe, the Americas, the Middle East, Africa and Southeast Asia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchTehran, IranHQ recorded Nov 6, 2026201-500271 contacts →

Exact match

“About Amn Pardazan Kavir | APK Information technology and communication networks are of the most important new issues which have been raised in the world of technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchUnited StatesHQ recorded Nov 6, 2026501-1,000265 contacts →

Exact match

“KATIM is a leader in the development of innovative secure communication products and solutions for governments and businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMadrid, SpainHQ recorded Nov 6, 2026201-500248 contacts →

Exact match

“Alhambra es una compañía IT que ayuda a cualquier tipo de organización a proteger sus datos, sus comunicaciones y sus procesos contra todo tipo de incidentes a través de Servicios…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 202651-200234 contacts →

Exact match

“Com 35 anos de atuação, a Método Telecom consolidou uma trajetória marcada pela especialização em soluções de comunicação corporativa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDallas, TX, United StatesHQ recorded Nov 6, 2026501-1,000203 contacts →

Exact match

“Zix, an OpenText company, is a leader in email security and helps organizations overcome their greatest digital transformation challenges by providing a secure, modern workplace.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNorthwood, OH, United StatesHQ recorded Nov 6, 2026201-500186 contacts →

Exact match

“For over 30 years, Telesystem has been a trusted technology partner for businesses across the country, delivering Managed Security, Networking, and Communication solutions backed…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchTehran, IranHQ recorded Nov 6, 202651-200175 contacts →

Exact match

“PayamPardaz Communication Engineering Company was established in 1996 with the aim of providing professional services in field of information and communication security.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSlidell, LA, United StatesHQ recorded Nov 6, 202651-200161 contacts →

Exact match

“In-Telecom offers a full spectrum of solutions such as VoIP phones, access control, unparalleled customer service, IT consulting, and quality workmanship from our experienced…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchRiyadh, Saudi ArabiaHQ recorded Nov 6, 2026201-500153 contacts →

Exact match

“At Cipher, we're redefining digital security as the premier cybersecurity leader in the Middle East.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBonn, GermanyHQ recorded Nov 6, 2026201-500149 contacts →

Exact match

“ITENOS, headquartered in Bonn, Germany, is an experienced specialist for secure IT and telecommunications solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCedar Park, TX, United StatesHQ recorded Nov 6, 2026201-500143 contacts →

Exact match

“At Synersys Technologies, we help small and mid-sized enterprises build secure, scalable, and high-performance technology environments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchFleet, United KingdomHQ recorded Nov 6, 202651-200139 contacts →

Exact match

“KHIPU Networks is an award winning international Cyber Security Company delivering a wide range of network, wireless and security solutions, technologies and services across…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBrasilia, BrazilHQ recorded Nov 6, 202651-200138 contacts →

Exact match

“A NWI é uma empresa brasiliense com mais de 30 anos de mercado, especializada em soluções completas na área de tecnologia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,335 telecom encryption companies worldwide

See the full list, filter by size, metro and specialty, and access 17,066 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecom encryption companies worldwide at a glance

As of Nov 6, 2026
38.3%Verified-email coverage
33.4Average contacts per company
11-50Median size (employees)
2.5%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
526
11-50
533
51-200
179
201-500
43
501-1,000
22
1,001-5,000
16
5,001-10,000
2
10001+
4

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for telecom encryption companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “telecom encryption companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 17,066 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Telecom encryption companies by location

12 lists · largest first

Every Telecom encryption companies 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 SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “telecom encryption companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecom encryption companies are there worldwide?

RevenueBase identified 1,335 company matches for telecom encryption companies worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Fortinet tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most telecom encryption companies?

The United States leads with 236 companies, followed by Brazil (91) and the United Kingdom (76). Every telecom encryption companies list by country and city is linked on this page.

Which city has the most telecom encryption companies?

London leads with 33 company records, followed by Sao Paulo (18) and Dubai (15).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 17,066 professional contacts with verified work emails tracked across these 1,335 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.