Company lists · Data refreshed November 2026

Top 25 Network security engineers worldwide

RevenueBase identified 2,288 company matches for network security engineers worldwide as of November 2026 and tracks 22,927 professional contacts across them, including 5,878 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for network security engineers 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 network security engineers 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
2,288Companies
22,927Contacts tracked
5,878Verified emails
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The 25 largest network security engineers worldwide

Ranked by team size
Top 25 of 2,288 company matches for network security engineers 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Nov 5, 2026501-1,000516 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchGurgaon, IndiaHQ recorded Nov 5, 2026201-500495 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
3Exact matchGurgaon, IndiaHQ recorded Nov 5, 2026201-500413 contacts →

Exact match

“ACPL Systems is a pure-play cybersecurity services company focused on helping organisations translate security investments into measurable outcomes.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchGurgaon, IndiaHQ recorded Nov 5, 2026201-500385 contacts →

Exact match

“eSec Forte® Technologies is a CMMi Level 3 certified Global Consulting and IT Security Services company with offerings across Cloud Security, Cyber Forensics, Malware Detection…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchMumbai, IndiaHQ recorded Nov 5, 2026201-500355 contacts →

Exact match

“T A L A K U N C H I Networks Pvt.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchSantiago, ChileHQ recorded Nov 5, 2026201-500336 contacts →

Exact match

“Novared is a leading Security Services Provider founded in 1995.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchBogotá, ColombiaHQ recorded Nov 5, 2026201-500241 contacts →

Exact match

“Netdata is a leading global cybersecurity services partner with more than 200 certified engineers and over 1,500 certifications, widely recognized as a partner of Palo Alto…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchSalt Lake City, CA, United StatesHQ recorded Nov 5, 2026201-500210 contacts →

Exact match

“Stone Security has been driving the implementation of network-based surveillance, access control and intrusion systems for over 15 years.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchTel Aviv, IsraelHQ recorded Nov 5, 202651-200198 contacts →

Exact match

“2Bsecure Ltd.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchReston, VA, United StatesHQ recorded Nov 5, 20261,001-5,000180 contacts →

Exact match

“MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchHuntsville, AL, United StatesHQ recorded Nov 5, 2026n/a154 contacts →

Exact match

“HiWAAY's Network Services specializes in network design, business process analysis, information security and managed IT services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchGouda, NetherlandsHQ recorded Nov 5, 2026201-500152 contacts →

Exact match

“Wij ontwerpen, implementeren en beheren veilige IT-infrastructuur en Cybersecurity Services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchColchester, DC, United StatesHQ recorded Nov 5, 202651-200151 contacts →

Exact match

“nuHarbor is a U.S-based cybersecurity firm trusted by public sector and critical infrastructure organizations nationwide.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchCincinnati, OH, United StatesHQ recorded Nov 5, 202651-200150 contacts →

Exact match

“Cadre is a network and information security solutions provider that serves large and medium-sized firms.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchPetaling Jaya, MalaysiaHQ recorded Nov 5, 202651-200148 contacts →

Exact match

“Innovation through adversity.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchCedar Park, TX, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
17Exact matchFleet, United KingdomHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
18Exact matchColumbia, MD, United StatesHQ recorded Nov 5, 202651-200131 contacts →

Exact match

“SealingTech, a Parsons Company, rapidly delivers innovative, agile cybersecurity solutions that modernize, protect, and defend the networks and systems of the federal government…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchEdison, NJ, United StatesHQ recorded Nov 5, 2026201-500116 contacts →

Exact match

“SecurView is a cybersecurity solutions company founded in 2007 focusing on the following technology domains: datacenter, cloud, mobility, segmentation/NAC, and 24/7 security…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchAlpharetta, GA, United StatesHQ recorded Nov 5, 20261,001-5,000112 contacts →

Exact match

“With over 25 years of expertise, PDI Security and Network Solutions (formerly known as Nuspire) is redefining cybersecurity and network management through intelligent unification…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchBuenos Aires, ArgentinaHQ recorded Nov 5, 202651-200107 contacts →

Exact match

“Since 1996, we help companies to improve their cybersecurity posture.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchFairlawn, OH, United StatesHQ recorded Nov 5, 202651-200104 contacts →

Exact match

“TrustedSec is an end-to-end security consulting company that provides customized services to build client-defined success.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Nov 5, 2026201-500104 contacts →

Exact match

“As an independent IT security specialist, Caretower provide comprehensive solutions to individual problems, thus allowing our recommendations to be unbiased.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchPune, IndiaHQ recorded Nov 5, 202651-200102 contacts →

Exact match

“EncureIT System is primarily an Information Security Specialist Company that believes in delivering comprehensive professional security services to its clients.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchWellington, New ZealandHQ recorded Nov 5, 202651-20099 contacts →

Exact match

“Bastion Security combines the skills, expertise and leadership from Quantum Security, ZX Security, Helix Security, Cassini and now Cythera.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 2,288 network security engineers worldwide

See the full list, filter by size, metro and specialty, and access 5,878 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Network security engineers worldwide at a glance

As of Nov 5, 2026
25.6%Verified-email coverage
10.0Average contacts per company
1-10Median size (employees)
1.4%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
1,311
11-50
747
51-200
169
201-500
31
501-1,000
6
1,001-5,000
7
10001+
1

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 network security engineers are linked below.
What qualifies
Company records worldwide whose business descriptions match “network security engineers” 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 5,878 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.

Network security engineers by location

15 lists · largest first

Every Network security engineers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “network security engineers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many network security engineers are there worldwide?

RevenueBase identified 2,288 company matches for network security engineers 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?

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

Which country has the most network security engineers?

The United States leads with 514 companies, followed by India (149) and the United Kingdom (100). Every network security engineers list by country and city is linked on this page.

Which city has the most network security engineers?

London leads with 32 company records, followed by Tehran (24) and Dubai (20).

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 5,878 professional contacts with verified work emails tracked across these 2,288 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.