Company lists · Data refreshed September 2026

Top 25 Iot telecom security companies worldwide

Name: Iot telecom security companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 7,568 companies tracked

RevenueBase identified 7,568 company matches for iot telecom security companies worldwide as of September 2026 and tracks 216,120 professional contacts across them, including 76,465 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for iot telecom security 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 September 28, 2026. Country and city lists for iot telecom security 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 Sep 28, 2026 How this list was built

7,568Companies

216,120Contacts tracked

76,465Verified emails

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The 25 largest iot telecom security companies worldwide

Ranked by team size

Top 25 of 7,568 company matches for iot telecom security companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Palo Alto Networks	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 28, 2026	10001+	18,431 contacts →
	Exact match “Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Fortinet	Exact match	Sunnyvale, CA, United StatesHQ recorded Sep 28, 2026	10001+	14,289 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 · Sep 28, 2026 · View company records in RevenueBase
3	Symantec	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	10001+	11,169 contacts →
	Exact match “Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Trend Micro	Exact match	Yoyogi, JapanHQ recorded Sep 28, 2026	5,001-10,000	4,942 contacts →
	Exact match “We’re a global cybersecurity leader, helping to make the world safe for exchanging digital information.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Sophos	Exact match	Abingdon, United KingdomHQ recorded Sep 28, 2026	5,001-10,000	4,925 contacts →
	Exact match “Sophos is a cybersecurity leader defending organizations globally with an AI-driven platform and expert-led services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Viavi Solutions	Exact match	Chandler, AZ, United StatesHQ recorded Sep 28, 2026	1,001-5,000	4,248 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 · Sep 28, 2026 · View company records in RevenueBase
7	Netskope	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	3,056 contacts →
	Exact match “Netskope (NASDAQ: NTSK), a leader in modern security and networking for the cloud and AI era, addresses the needs of both security and networking teams by providing optimized…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Sentinelone	Exact match	Mountain View, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	3,052 contacts →
	Exact match “SentinelOne is the world's leading AI-powered cybersecurity platform.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	GTT	Exact match	Arlington, VA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,933 contacts →
	Exact match “GTT is a leading networking and security as a service provider for multinational organizations, simply and securely connecting people and machines to data and applications –…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Infoblox	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,813 contacts →
	Exact match “Infoblox unites networking and security to deliver unmatched performance and protection.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Alcatel-Lucent Enterprise	Exact match	92707 Colombes, GermanyHQ recorded Sep 28, 2026	1,001-5,000	2,811 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 · Sep 28, 2026 · View company records in RevenueBase
12	Bitdefender	Exact match	Bucuresti, RomaniaHQ recorded Sep 28, 2026	1,001-5,000	2,172 contacts →
	Exact match “Bitdefender is a cybersecurity leader delivering best-in-class threat prevention, detection, and response solutions worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Barracuda	Exact match	Campbell, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,157 contacts →
	Exact match “Barracuda is a leading global cybersecurity company providing complete protection against complex threats for all size business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Digicert	Exact match	Lehi, UT, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,767 contacts →
	Exact match “As the leading provider of digital trust, DigiCert solutions help you engage online with confidence, knowing your data and connections are secure.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Ninguno	Exact match	Madrid, SpainHQ recorded Sep 28, 2026	n/a	1,744 contacts →
	Exact match “Siadde Soluciones es una compañía tecnológica, innovadora y competitiva en un contexto global.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Forcepoint	Exact match	Austin, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,636 contacts →
	Exact match “Forcepoint simplifies security for global businesses and governments.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Quick Heal	Exact match	Pune, IndiaHQ recorded Sep 28, 2026	1,001-5,000	1,510 contacts →
	Exact match “Quick Heal Technologies Limited is one of the leading providers of IT Security and Data Protection Solutions with a strong footprint in India and an evolving global presence.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Sangfor Technologies	Exact match	Shenzhen, ChinaHQ recorded Sep 28, 2026	5,001-10,000	1,297 contacts →
	Exact match “Sangfor Technologies is a global leader in cybersecurity, cloud computing, and IT infrastructure, providing fully integrated and AI-driven solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Thales Cybersecurity Products	Exact match	Austin, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,252 contacts →
	Exact match “Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Imperva	Exact match	Austin, TX, United StatesHQ recorded Sep 28, 2026	10001+	1,217 contacts →
	Exact match “On Dec.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Watchguard Technologies	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,059 contacts →
	Exact match “WatchGuard® Technologies, Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Irdeto	Exact match	Hoofddorp, NetherlandsHQ recorded Sep 28, 2026	1,001-5,000	1,026 contacts →
	Exact match “Irdeto, a CANAL+ company, is the world leader in digital platform cybersecurity, empowering businesses to innovate for a secure, connected future.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	NEC Australia	Exact match	Docklands, AustraliaHQ recorded Sep 28, 2026	501-1,000	857 contacts →
	Exact match “NEC has delivered world-class technology solutions and services to customers across the globe, for more than a century.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	ALLOT	Exact match	Hod-hasharon, IsraelHQ recorded Sep 28, 2026	501-1,000	856 contacts →
	Exact match “Allot Ltd.(NASDAQ: ALLT, TASE: ALLT) is a provider of leading innovative converged cybersecurity solutions and network intelligence for service providers and enterprises…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Absolute Security	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	501-1,000	794 contacts →
	Exact match “Absolute Security is partnered with more than 28 of the world’s leading endpoint device manufacturers, embedded in the firmware of 600 million devices, trusted by global…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “iot telecom security companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 7,568 iot telecom security companies worldwide

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Iot telecom security companies worldwide at a glance

As of Sep 28, 2026

35.4%Verified-email coverage

28.6Average contacts per company

11-50Median size (employees)

1.4%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

3,141

11-50

2,964

51-200

941

201-500

259

501-1,000

102

1,001-5,000

5,001-10,000

10001+

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 iot telecom security companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “iot telecom security 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 76,465 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 September 28, 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.

Iot telecom security companies by location

57 lists · largest first

Every Iot telecom security 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 “iot telecom security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many iot telecom security companies are there worldwide?

RevenueBase identified 7,568 company matches for iot telecom security companies worldwide as of September 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?

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

Which country has the most iot telecom security companies?

The United States leads with 1,292 companies, followed by India (625) and Brazil (435). Every iot telecom security companies list by country and city is linked on this page.

Which city has the most iot telecom security companies?

London leads with 107 company records, followed by Dubai (101) and Sao Paulo (97).

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 76,465 professional contacts with verified work emails tracked across these 7,568 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 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 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.