Company lists · Data refreshed September 2026

Top 25 5g infrastructure security companies worldwide

RevenueBase identified 2,276 5g infrastructure security companies worldwide as of September 2026 and tracks 104,083 professional contacts across them, including 43,000 with verified work emails. The United States is the largest market and London the largest hub.

This list covers 5g 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 27, 2026. Country and city lists for 5g 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review
2,276Companies
104,083Contacts tracked
43,000Verified emails
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The 25 largest 5g infrastructure security companies worldwide

Ranked by team size
Top 25 of 2,276 5g infrastructure security companies worldwide, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to 5g infrastructure security companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceSanta Clara, CA, United StatesHQ checked Sep 27, 202610001+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 27, 2026
2Indirect evidenceSunnyvale, CA, United StatesHQ checked Sep 27, 202610001+14,289 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
3Partial evidenceSan Jose, CA, United StatesHQ checked Sep 27, 202610001+11,169 contacts →

Partial evidence

“Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.”

Source: RevenueBase Database · checked Sep 27, 2026
4Indirect evidenceAbingdon, United KingdomHQ checked Sep 27, 20265,001-10,0004,925 contacts →

Indirect evidence

“Sophos is a cybersecurity leader defending organizations globally with an AI-driven platform and expert-led services.”

Source: RevenueBase Database · checked Sep 27, 2026
5Partial evidenceChandler, AZ, United StatesHQ checked Sep 27, 20261,001-5,0004,248 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 27, 2026
6Partial evidenceSanta Clara, CA, United StatesHQ checked Sep 27, 20261,001-5,0003,056 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 27, 2026
7Indirect evidence92707 Colombes, GermanyHQ checked Sep 27, 20261,001-5,0002,811 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 27, 2026
8Indirect evidenceAustin, TX, United StatesHQ checked Sep 27, 202610001+1,217 contacts →

Indirect evidence

“On Dec.”

Source: RevenueBase Database · checked Sep 27, 2026
9Indirect evidenceHoofddorp, NetherlandsHQ checked Sep 27, 20261,001-5,0001,026 contacts →

Indirect evidence

“Irdeto, a CANAL+ company, is the world leader in digital platform cybersecurity, empowering businesses to innovate for a secure, connected future.”

Source: RevenueBase Database · checked Sep 27, 2026
10Indirect evidencePeania, GreeceHQ checked Sep 27, 20261,001-5,000921 contacts →

Indirect evidence

“Intracom Telecom is a global technology systems and solutions provider operating for over 45 years in the market.”

Source: RevenueBase Database · checked Sep 27, 2026
11Indirect evidenceChicago, IL, United StatesHQ checked Sep 27, 2026501-1,000874 contacts →

Indirect evidence

“Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.”

Source: RevenueBase Database · checked Sep 27, 2026
12Indirect evidenceHod-hasharon, IsraelHQ checked Sep 27, 2026501-1,000856 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 27, 2026
13Partial evidenceBengaluru, IndiaHQ checked Sep 27, 2026201-500743 contacts →

Partial evidence

“SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…”

Source: RevenueBase Database · checked Sep 27, 2026
14Indirect evidenceSyracuse, NY, United StatesHQ checked Sep 27, 2026501-1,000719 contacts →

Indirect evidence

“Wireless technology now impacts nearly every aspect of daily life around the world.”

Source: RevenueBase Database · checked Sep 27, 2026
15Indirect evidenceSan Jose, CA, United StatesHQ checked Sep 27, 2026501-1,000651 contacts →

Indirect evidence

“Vectra AI is the cybersecurity AI leader in protecting modern networks from modern attacks.”

Source: RevenueBase Database · checked Sep 27, 2026
16Indirect evidenceStockholm, SwedenHQ checked Sep 27, 2026501-1,000638 contacts →

Indirect 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 27, 2026
17Indirect evidenceHerndon, United StatesHQ checked Sep 27, 20261,001-5,000636 contacts →

Indirect evidence

“Everfox delivers trusted connectivity to protect the world's most critical environments, safeguarding the sensitive information behind decision advantage.”

Source: RevenueBase Database · checked Sep 27, 2026
18Partial evidenceMclean, VA, United StatesHQ checked Sep 27, 2026501-1,000523 contacts →

Partial evidence

“UltraViolet Cyber is the only security operations partner that unifies red, blue, and purple team capabilities into one integrated program, finding what's vulnerable, stopping…”

Source: RevenueBase Database · checked Sep 27, 2026
19Partial evidenceLondon, United KingdomHQ checked Sep 27, 2026501-1,000502 contacts →

Partial evidence

“SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.”

Source: RevenueBase Database · checked Sep 27, 2026
20Partial evidenceSan Diego, CA, United StatesHQ checked Sep 27, 2026501-1,000418 contacts →

Partial evidence

“Inseego Corp.(Nasdaq: INSG) is a leader in the 5G fixed wireless access and MiFi hotspot market.”

Source: RevenueBase Database · checked Sep 27, 2026
21Strong evidenceGurugram, IndiaHQ checked Sep 27, 2026201-500401 contacts →

Strong evidence

“Crest Digitel (An Altius group Company) is a leading 5G-ready Digital Connectivity Infrastructure Partner committed to Enable Connections for Life.”

Source: RevenueBase Database · checked Sep 27, 2026
22Indirect evidenceSao Paulo, BrazilHQ checked Sep 27, 2026201-500399 contacts →

Indirect evidence

“A SAFEWAY empresa que integra a plataforma de cibersegurança do Grupo Stefanini se une a Protega.”

Source: RevenueBase Database · checked Sep 27, 2026
23Indirect evidenceAbu Dhabi, United Arab EmiratesHQ checked Sep 27, 2026501-1,000394 contacts →

Indirect evidence

“CPX is redefining how nations and industries secure their future.”

Source: RevenueBase Database · checked Sep 27, 2026
24Indirect evidenceBochum, GermanyHQ checked Sep 27, 2026501-1,000386 contacts →

Indirect evidence

“Progress is our motivation because we are convinced that it will lead us to a successful future – independent of industries, companies and social classes.”

Source: RevenueBase Database · checked Sep 27, 2026
25Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 27, 2026201-500375 contacts →

Partial evidence

“We protect the world’s critical infrastructure from cyber threats.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 2,276 5g infrastructure security companies worldwide

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5g infrastructure security companies worldwide at a glance

As of Sep 27, 2026
41.3%Verified-email coverage
45.7Average contacts per company
11-50Median size (employees)
2.3%Largest-city concentration · London
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
948
11-50
858
51-200
289
201-500
85
501-1,000
34
1,001-5,000
38
5,001-10,000
6
10001+
13

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 5g 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 5g infrastructure security companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “5g 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 5g 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 5g 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, 43,000 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 27, 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.

5g infrastructure security companies by location

15 lists · largest first

Every 5g infrastructure 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 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 5g 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 5g infrastructure security companies are there worldwide?

RevenueBase identified 2,276 5g 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 5g infrastructure security companies?

The United States leads with 508 companies, followed by India (237) and the United Kingdom (130). Every 5g infrastructure security companies list by country and city is linked on this page.

Which city has the most 5g infrastructure security companies?

London leads with 53 headquartered companies, followed by Dubai (35) and Sao Paulo (22).

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 43,000 verified decision-maker contacts tracked across these 2,276 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 27, 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.