Company lists · Data refreshed November 2026

Top 25 Telecommunication security system suppliers worldwide

Name: Telecommunication security system suppliers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 12,573 companies tracked

RevenueBase identified 12,573 company matches for telecommunication security system suppliers worldwide as of November 2026 and tracks 174,242 professional contacts across them, including 37,253 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for telecommunication security system suppliers 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 5, 2026. Country and city lists for telecommunication security system suppliers 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 5, 2026 How this list was built

12,573Companies

174,242Contacts tracked

37,253Verified emails

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The 25 largest telecommunication security system suppliers worldwide

Ranked by team size

Top 25 of 12,573 company matches for telecommunication security system suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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	Axis Communications	Exact match	Lund, SwedenHQ recorded Nov 5, 2026	1,001-5,000	5,295 contacts →
	Exact match “Axis enables a smarter and safer world by creating solutions for improving security and business performance.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Viavi Solutions	Exact match	Chandler, AZ, United StatesHQ recorded Nov 5, 2026	1,001-5,000	4,595 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 5, 2026 · View company records in RevenueBase
3	Sicuritalia S.P.A	Exact match	Milan, ItalyHQ recorded Nov 5, 2026	10001+	3,593 contacts →
	Exact match “Il Gruppo Sicuritalia, con oltre 18.500 dipendenti, è la più grande azienda italiana ed il secondo player privato europeo in ambito Security.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	GTT	Exact match	Arlington, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	3,071 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 · Nov 5, 2026 · View company records in RevenueBase
5	Alcatel-Lucent Enterprise	Exact match	92707 Colombes, GermanyHQ recorded Nov 5, 2026	1,001-5,000	2,980 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 5, 2026 · View company records in RevenueBase
6	Ninguno	Exact match	Madrid, SpainHQ recorded Nov 5, 2026	n/a	1,485 contacts →
	Exact match “Siadde Soluciones es una compañía tecnológica, innovadora y competitiva en un contexto global.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Protection 1 Security Solutions	Exact match	Romeoville, IL, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,467 contacts →
	Exact match “As of May 2016, Protection 1 and ADT merged together to become the leading company in the electronic security industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Imvula Quality Protection	Exact match	Woodmead, South AfricaHQ recorded Nov 5, 2026	10001+	1,460 contacts →
	Exact match “At Imvula Quality Protection, we don’t just provide security, we create peace of mind.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Onet Sécurité	Exact match	Marseille, FranceHQ recorded Nov 5, 2026	10001+	1,142 contacts →
	Exact match “La proposition de valeur d'Onet dans la sécurité se fonde sur - son expertise sécurité et sa capacité à analyser les besoins et risques propres à ses clients- sa parfaite maîtrise…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Strong Segurança, S.A	Exact match	Amadora, PortugalHQ recorded Nov 5, 2026	5,001-10,000	969 contacts →
	Exact match “Security Company Electronics developers Systems integrator” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	NEC Australia	Exact match	Docklands, AustraliaHQ recorded Nov 5, 2026	501-1,000	935 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 · Nov 5, 2026 · View company records in RevenueBase
12	Security 101	Exact match	West Palm Beach, TN, United StatesHQ recorded Nov 5, 2026	501-1,000	927 contacts →
	Exact match “Security 101® is a nationwide leader in designing, installing, and maintaining advanced security systems tailored to the unique needs of organizations of all sizes.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	ALLOT	Exact match	Hod-hasharon, IsraelHQ recorded Nov 5, 2026	501-1,000	894 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 · Nov 5, 2026 · View company records in RevenueBase
14	Securitas Norge	Exact match	Oslo, NorwayHQ recorded Nov 5, 2026	5,001-10,000	859 contacts →
	Exact match “Securitas AS er det største og eldste sikkerhetsselskapet i Norge.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Securitas Electronic Security, INC	Exact match	Uniontown, IL, United StatesHQ recorded Nov 5, 2026	10001+	837 contacts →
	Exact match “Securitas knows Security.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	Sabico Seguridad	Exact match	SpainHQ recorded Nov 5, 2026	1,001-5,000	756 contacts →
	Exact match “comienzos de 1989 se funda SABICO SEGURIDAD S.A, estando inscrita en el Registro de Empresas de Seguridad con el nº 1731.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Grupo Evik	Exact match	Sao Paulo, BrazilHQ recorded Nov 5, 2026	1,001-5,000	692 contacts →
	Exact match “O Grupo Evik é uma empresa especialista no gerenciamento de projetos integrados de segurança patrimonial, tendo como propósito utilizar toda sua experiência adquirida ao longo dos…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Secunet Security Networks AG	Exact match	Essen, GermanyHQ recorded Nov 5, 2026	1,001-5,000	680 contacts →
	Exact match “secunet – We are the Guardians of Europe's Digital Freedom.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Enea AB	Exact match	Stockholm, SwedenHQ recorded Nov 5, 2026	501-1,000	676 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 5, 2026 · View company records in RevenueBase
20	Raycap	Exact match	Post Falls, United StatesHQ recorded Nov 5, 2026	1,001-5,000	587 contacts →
	Exact match “Raycap is a privately-held technology solutions provider offering products and services that support and protect the world’s critical telecommunications, energy, transportation…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Securiton AG	Exact match	Zollikofen, SwitzerlandHQ recorded Nov 5, 2026	501-1,000	567 contacts →
	Exact match “Securiton AG has been a leading manufacturer and installer of alarm and security systems since 1948 and is part of the Swiss Securitas Group.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Tech Systems Inc. TSI	Exact match	Buford, ON, IndiaHQ recorded Nov 5, 2026	501-1,000	562 contacts →
	Exact match “Since 1987, Tech Systems, Inc.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	BOB Morgan Services Ltd. BM Security	Exact match	Nairobi, KenyaHQ recorded Nov 5, 2026	1,001-5,000	545 contacts →
	Exact match “BM Security was founded by the late senior assistant commissioner of Police Bob Morgan in 1984.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Javi Systems India Pvt. LTD	Exact match	Gurgaon, IndiaHQ recorded Nov 5, 2026	201-500	495 contacts →
	Exact match “A privately held company Head Quartered in Bangalore and has a presence in New York.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Firstlight Fiber	Exact match	Portsmouth, NH, United StatesHQ recorded Nov 5, 2026	501-1,000	488 contacts →
	Exact match “We free IT leaders to do what matters.” Recorded in the RevenueBase company graph · Nov 5, 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 “telecommunication security system suppliers”. 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 12,573 telecommunication security system suppliers worldwide

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Telecommunication security system suppliers worldwide at a glance

As of Nov 5, 2026

21.4%Verified-email coverage

13.9Average contacts per company

11-50Median size (employees)

1.4%Largest-city concentration · Sao Paulo

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

5,657

11-50

4,701

51-200

1,439

201-500

348

501-1,000

101

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 telecommunication security system suppliers are linked below.
What qualifies: Company records worldwide whose business descriptions match “telecommunication security system suppliers” 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 37,253 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 5, 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.

Telecommunication security system suppliers by location

61 lists · largest first

Every Telecommunication security system suppliers 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 “telecommunication security system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecommunication security system suppliers are there worldwide?

RevenueBase identified 12,573 company matches for telecommunication security system suppliers 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?

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

Which country has the most telecommunication security system suppliers?

The United States leads with 1,255 companies, followed by Brazil (920) and France (819). Every telecommunication security system suppliers list by country and city is linked on this page.

Which city has the most telecommunication security system suppliers?

Sao Paulo leads with 182 company records, followed by Dubai (103) and London (82).

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 37,253 professional contacts with verified work emails tracked across these 12,573 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 5, 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.