Company lists · Data refreshed September 2026

Top 25 Energy sector cybersecurity firms worldwide

RevenueBase identified 3,087 company matches for energy sector cybersecurity firms worldwide as of September 2026 and tracks 40,162 professional contacts across them, including 12,946 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for energy sector cybersecurity firms 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 energy sector cybersecurity firms 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
3,087Companies
40,162Contacts tracked
12,946Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest energy sector cybersecurity firms worldwide

Ranked by team size
Top 25 of 3,087 company matches for energy sector cybersecurity firms 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchReston, VA, United StatesHQ recorded Sep 28, 20261,001-5,0001,232 contacts →

Exact match

“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchChicago, IL, United StatesHQ recorded Sep 28, 2026501-1,000874 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchValencia, SpainHQ recorded Sep 28, 2026501-1,000683 contacts →

Exact match

“We are a European company specialising in cybersecurity, cyberintelligence and cyberdefence, with more than 20 years of experience protecting critical infrastructures and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchParis, ItalyHQ recorded Sep 28, 2026501-1,000586 contacts →

Exact match

“Advens is a European, independent and outstanding leader in cybersecurity.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchHanover, MD, United StatesHQ recorded Sep 28, 2026501-1,000551 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 · Sep 28, 2026 · View company records in RevenueBase
6Exact matchParis, FranceHQ recorded Sep 28, 202651-200506 contacts →

Exact match

“Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 28, 2026501-1,000502 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchRiyadh, Saudi ArabiaHQ recorded Sep 28, 2026201-500493 contacts →

Exact match

“World-class leading edge cyber capabilities to enable and protect economic and physical critical infrastructure and government services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchThane, IndiaHQ recorded Sep 28, 2026501-1,000484 contacts →

Exact match

“At ProTechmanize, we’re committed to making cybersecurity simpler, stronger, and more future ready for the organizations we serve.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchSao Paulo, BrazilHQ recorded Sep 28, 2026201-500399 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchJakarta, IndonesiaHQ recorded Sep 28, 2026201-500388 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 · Sep 28, 2026 · View company records in RevenueBase
12Exact matchBochum, GermanyHQ recorded Sep 28, 2026501-1,000386 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 2026201-500375 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchBonn, GermanyHQ recorded Sep 28, 20261,001-5,000363 contacts →

Exact match

“Wir glauben an eine sichere digitale Zukunft mit minimalen Risiken und maximalen Chancen.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact match경기도, South KoreaHQ recorded Sep 28, 20265,001-10,000348 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchSwedenHQ recorded Sep 28, 2026201-500332 contacts →

Exact match

“Prevent Breach & Minimize Impact”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchCdmx, MexicoHQ recorded Sep 28, 202651-200328 contacts →

Exact match

“Somos una empresa de Grupo Salinas con un equipo de profesionales en Seguridad de la Información con más de 20 años de experiencia que nos respalda en los sectores: financieros…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchReading, United KingdomHQ recorded Sep 28, 2026201-500303 contacts →

Exact match

“Bridewell is the trusted cyber security partner for organisations operating within Critical National Infrastructure (CNI), as well as companies who want the highest standard of…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Sep 28, 2026201-500302 contacts →

Exact match

“AMSYS is a nationwide IT Services Provider headquartered in Houston, TX.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchBangalore, IndiaHQ recorded Sep 28, 2026201-500270 contacts →

Exact match

“SecurEyes is a global cybersecurity specialist firm offering advisory plus consulting services and reg-tech products solving for cybersecurity challenges so that business leaders…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchScottsdale, AZ, United StatesHQ recorded Sep 28, 202651-200249 contacts →

Exact match

“Lumifi Cyber helps organizations illuminate their cyber defense with continuous protection across the full security lifecycle.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 28, 2026201-500242 contacts →

Exact match

“Obrela Security Industries is a global provider of cyber security services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchRiyadh, Saudi ArabiaHQ recorded Sep 28, 2026201-500241 contacts →

Exact match

“Cyberani is an Aramco Digital company that is dedicated to safeguarding the digital frontiers of industry leaders and government agencies.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchRijswijk, NetherlandsHQ recorded Sep 28, 2026201-500233 contacts →

Exact match

“Fox-IT prevents, solves and mitigates the most serious cyber threats with innovative solutions for government, defense, law enforcement, critical infrastructure, banking, and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchUtrecht, NetherlandsHQ recorded Sep 28, 2026201-500213 contacts →

Exact match

“Northwave Northwave offers an Intelligent combination of cyber security services to protect your information.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 3,087 energy sector cybersecurity firms worldwide

See the full list, filter by size, metro and specialty, and access 12,946 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Energy sector cybersecurity firms worldwide at a glance

As of Sep 28, 2026
32.2%Verified-email coverage
13.0Average contacts per company
1-10Median size (employees)
2.1%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
1,567
11-50
1,149
51-200
266
201-500
64
501-1,000
23
1,001-5,000
11
5,001-10,000
4
10001+
2

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 energy sector cybersecurity firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “energy sector cybersecurity firms” 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 12,946 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.

Energy sector cybersecurity firms by location

24 lists · largest first

Every Energy sector cybersecurity firms 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 “energy sector cybersecurity firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy sector cybersecurity firms are there worldwide?

RevenueBase identified 3,087 company matches for energy sector cybersecurity firms 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?

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

Which country has the most energy sector cybersecurity firms?

The United States leads with 675 companies, followed by India (272) and the United Kingdom (147). Every energy sector cybersecurity firms list by country and city is linked on this page.

Which city has the most energy sector cybersecurity firms?

London leads with 66 company records, followed by Dubai (45) and Riyadh (30).

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 12,946 professional contacts with verified work emails tracked across these 3,087 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.

Ready to reach these companies? Verified emails and direct dials for all 3,087 energy sector cybersecurity firms worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.