Company lists · Data refreshed October 2026

Top 25 Industrial penetration testing companies worldwide

RevenueBase identified 4,802 company matches for industrial penetration testing companies worldwide as of October 2026 and tracks 63,568 professional contacts across them, including 12,875 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for industrial penetration testing 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 October 16, 2026. Country and city lists for industrial penetration testing 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 Oct 16, 2026 How this list was built
4,802Companies
63,568Contacts tracked
12,875Verified emails
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The 25 largest industrial penetration testing companies worldwide

Ranked by team size
Top 25 of 4,802 company matches for industrial penetration testing companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 16, 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 matchUnited StatesHQ recorded Oct 16, 2026n/a12,822 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Oct 16, 2026n/a3,195 contacts →

Exact match

“We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
3Exact matchAustin, TX, United StatesHQ recorded Oct 16, 2026n/a699 contacts →

Exact match

“The Synack Red Team is a private freelance security research team that spans 6 continents and over 80 countries.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
4Exact matchHanover, MD, United StatesHQ recorded Oct 16, 2026501-1,000629 contacts →

Exact match

“Dragos provides the most effective OT cybersecurity technology for industrial and critical infrastructure to deliver on our global mission: to safeguard civilization.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
5Exact matchMinneapolis, MN, United StatesHQ recorded Oct 16, 2026501-1,000591 contacts →

Exact match

“NetSPI® pioneered Penetration Testing as a Service (PTaaS) and leads the industry in modern, continuous pentesting.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
6Exact matchJakarta, IndonesiaHQ recorded Oct 16, 2026201-500425 contacts →

Exact match

“ITSEC Asia is a leading cybersecurity company in Indonesia, listed on the Indonesian Stock Exchange (“CYBR”), with over 400 employees across five countries.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
7Exact matchGurgaon, IndiaHQ recorded Oct 16, 2026201-500365 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 · Oct 16, 2026 · View company records in RevenueBase
8Exact matchTempe, AZ, United StatesHQ recorded Oct 16, 2026201-500348 contacts →

Exact match

“Bishop Fox is recognized as the leading authority in offensive security, providing solutions ranging from continuous penetration testing, red teaming, and attack surface…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
9Exact matchMumbai, IndiaHQ recorded Oct 16, 2026201-500342 contacts →

Exact match

“T A L A K U N C H I Networks Pvt.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
10Exact matchAhmedabad, IndiaHQ recorded Oct 16, 2026201-500331 contacts →

Exact match

“TechDefence Labs (TechD Cybersecurity Limited) Award-winning | Innovative | Visionary We empower organizations across the globe to secure their applications, networks, and digital…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, CA, United StatesHQ recorded Oct 16, 2026201-500325 contacts →

Exact match

“Cobalt is the pioneer in pentesting as a service and a leader in offensive security services.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
12Exact matchKnutsford, United KingdomHQ recorded Oct 16, 202651-200281 contacts →

Exact match

“PortSwigger is a global leader in the creation of software tools for security testing of web applications.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
13Exact matchAlbuquerque, NM, United StatesHQ recorded Oct 16, 2026201-500239 contacts →

Exact match

“Securin is an AI-native cybersecurity company that helps organizations discover, validate, prioritize, and mobilize against exploitable risk, before attackers can act.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
14Exact matchGhent, BelgiumHQ recorded Oct 16, 2026201-500229 contacts →

Exact match

“From vulnerability management to penetration testing, secure everything you build, host, and run with Aikido.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
15Exact matchCharlotte, NC, United StatesHQ recorded Oct 16, 2026n/a226 contacts →

Exact match

“A veteran-owned cybersecurity company focused on penetration testing, security training, and compliance.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
16Exact matchCairo, EgyptHQ recorded Oct 16, 2026201-500216 contacts →

Exact match

“Fixed Solutions offers world-class cybersecurity solutions through strategic alliances with the top IT security vendors and digital security service providers.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
17Exact matchAthens, GreeceHQ recorded Oct 16, 202651-200206 contacts →

Exact match

“CENSUS is a cybersecurity engineering powerhouse.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
18Exact matchSouth Jakarta, IndonesiaHQ recorded Oct 16, 202651-200197 contacts →

Exact match

“Protergo is an Indonesia-based cybersecurity company committed to delivering world-class security solutions.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
19Exact matchNY, United StatesHQ recorded Oct 16, 2026201-500195 contacts →

Exact match

“Kualitatem empowers businesses to deliver quality software.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
20Exact matchTel Aviv, IsraelHQ recorded Oct 16, 202651-200194 contacts →

Exact match

“2Bsecure Ltd.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
21Exact matchAhmedabad, IndiaHQ recorded Oct 16, 202651-200187 contacts →

Exact match

“Net Square is a company specializing in information security.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
22Exact matchGlobally Distributed, United StatesHQ recorded Oct 16, 2026201-500183 contacts →

Exact match

“With 30 years of experience in cyber defense, DeepSeas is trusted by nearly clients around the world, including Fortune 100 enterprises and mid-market organizations, municipality…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
23Exact matchChantilly, VA, United StatesHQ recorded Oct 16, 20261,001-5,000181 contacts →

Exact match

“Trusted By 2,880+ World-Class Brands And Organizations Of All Sizes…!”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
24Exact matchParis, FranceHQ recorded Oct 16, 2026201-500180 contacts →

Exact match

“Synacktiv is an offensive security company founded in 2012 by several security experts.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
25Exact matchHouston, TX, United StatesHQ recorded Oct 16, 202651-200174 contacts →

Exact match

“ValueMentor is a global information security consulting & services company that delivers real results to global business in maximizing cybersecurity.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase

Showing 25 of 4,802 industrial penetration testing companies worldwide

See the full list, filter by size, metro and specialty, and access 12,875 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial penetration testing companies worldwide at a glance

As of Oct 16, 2026
20.3%Verified-email coverage
13.2Average contacts per company
1-10Median size (employees)
2.5%Largest-city concentration · London
Oct 16, 2026Page data refreshed

Companies by employee count

1-10
2,859
11-50
1,553
51-200
303
201-500
62
501-1,000
8
1,001-5,000
12
5,001-10,000
1
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 industrial penetration testing companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “industrial penetration testing 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 12,875 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 October 16, 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.

Industrial penetration testing companies by location

32 lists · largest first

Every Industrial penetration testing 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 “industrial penetration testing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial penetration testing companies are there worldwide?

RevenueBase identified 4,802 company matches for industrial penetration testing companies worldwide as of October 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?

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

Which country has the most industrial penetration testing companies?

The United States leads with 838 companies, followed by India (529) and the United Kingdom (301). Every industrial penetration testing companies list by country and city is linked on this page.

Which city has the most industrial penetration testing companies?

London leads with 121 company records, followed by Bangalore (50) and Paris (46).

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 12,875 professional contacts with verified work emails tracked across these 4,802 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 October 16, 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.