Company lists · Data refreshed November 2026

Top 25 Utility grid security companies worldwide

RevenueBase identified 607 company matches for utility grid security companies worldwide as of November 2026 and tracks 9,099 professional contacts across them, including 2,984 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for utility grid security 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 November 5, 2026. Country and city lists for utility grid security 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 Nov 5, 2026 How this list was built
607Companies
9,099Contacts tracked
2,984Verified emails
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The 25 largest utility grid security companies worldwide

Ranked by team size
Top 25 of 607 company matches for utility grid security companies 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 matchHanover, MD, United StatesHQ recorded Nov 5, 2026501-1,000670 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 · Nov 5, 2026 · View company records in RevenueBase
2Exact matchRiyadh, Saudi ArabiaHQ recorded Nov 5, 2026501-1,000553 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 · Nov 5, 2026 · View company records in RevenueBase
3Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 5, 2026501-1,000472 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchJakarta, IndonesiaHQ recorded Nov 5, 2026201-500423 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 · Nov 5, 2026 · View company records in RevenueBase
5Exact matchSao Paulo, BrazilHQ recorded Nov 5, 2026201-500359 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 · Nov 5, 2026 · View company records in RevenueBase
6Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 202651-200186 contacts →

Exact match

“Gridware is a technology company focused on protecting and enhancing the electrical grid.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchBrazilHQ recorded Nov 5, 2026201-500153 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchOslo, NorwayHQ recorded Nov 5, 202651-200146 contacts →

Exact match

“Netsecurity is a dedicated cyber security company that helps companies before, during and after an attack.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchVilla Devoto, ArgentinaHQ recorded Nov 5, 2026501-1,000128 contacts →

Exact match

“La seguridad es nuestra vocación y donde dedicamos todos nuestros esfuerzos, es por eso que nuestro portafolio ofrece una gran variedad de servicio con el fin de satisfacer las…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchUnited StatesHQ recorded Nov 5, 202651-200126 contacts →

Exact match

“Tribastion Technologies Pvt Ltd specializes in delivering comprehensive cyber security consulting and managed security services to individuals and organizations.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchBarcelona, SpainHQ recorded Nov 5, 202651-200122 contacts →

Exact match

“A2SECURE is a global cybersecurity expert based in Spain, founded in 2009 with private capital and now established as a leading MSSP provider.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchEspoo, FinlandHQ recorded Nov 5, 2026501-1,000114 contacts →

Exact match

“Nixu is now DNV Cyber.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Nov 5, 2026201-500113 contacts →

Exact match

“EverLine provides fully-integrated compliance, SCADA/IT, control room and security services to more than 200 customers nationwide through a unique Technical Stack.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchCastellón De La Plana, SpainHQ recorded Nov 5, 2026201-500106 contacts →

Exact match

“IT Security Consulting and Deployment- Sofistic is a cybersecurity company, born from researchers in this field, with offices in USA, Spain, Panama, Colombia, Chile and the…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchDenver, CO, United StatesHQ recorded Nov 5, 202651-200102 contacts →

Exact match

“DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact 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
17Exact matchUk, United KingdomHQ recorded Nov 5, 202651-20092 contacts →

Exact match

“Lingwood Security provides a UK wide professional security service, offering maximum protection for you and your business.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchToronto, CanadaHQ recorded Nov 5, 202651-20089 contacts →

Exact match

“ISA Cybersecurity is one of Canada’s leading cybersecurity services and solutions providers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchAuckland, New ZealandHQ recorded Nov 5, 2026201-50085 contacts →

Exact match

“Matrix Security Group is a 100% New Zealand owned company that is a well-established, credible and professional security company.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchAl Riyadh, Saudi ArabiaHQ recorded Nov 5, 202651-20070 contacts →

Exact match

“Managed Services Company is a startup specializes in providing bespoke services in the field of Cyber Security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchDallas, TX, United StatesHQ recorded Nov 5, 202651-20069 contacts →

Exact match

“Apollo Information Systems delivers intelligence-led cybersecurity solutions for government agencies, educational institutions, and enterprises.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchMiami Lakes, IL, United StatesHQ recorded Nov 5, 202611-5067 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchKuala Lumpur, MalaysiaHQ recorded Nov 5, 202611-5065 contacts →

Exact match

“DeltaSpike Cybersecurity is a global, vendor-agnostic cybersecurity services provider redefining cyber defence through an Autonomous SOC powered by Generative AI.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchCamden, NJ, United StatesHQ recorded Nov 5, 2026201-50064 contacts →

Exact match

“HSI is a vanguard in providing a full range of security solutions with specializations in the leveraging of innovative strategies and technologies for maximization of safety to…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchSacramento, CA, United StatesHQ recorded Nov 5, 202651-20061 contacts →

Exact match

“Trofholz Technologies is a Woman-Owned; Veteran-Owned Small Business located in Sacramento, California.”

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

Showing 25 of 607 utility grid security companies worldwide

See the full list, filter by size, metro and specialty, and access 2,984 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Utility grid security companies worldwide at a glance

As of Nov 5, 2026
32.8%Verified-email coverage
15.0Average contacts per company
11-50Median size (employees)
1.8%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
279
11-50
226
51-200
75
201-500
13
501-1,000
9
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 utility grid security companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “utility grid security 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 2,984 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.

Utility grid security companies by location

2 lists · largest first

Every Utility grid security companies 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 “utility grid security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many utility grid security companies are there worldwide?

RevenueBase identified 607 company matches for utility grid security companies 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?

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

Which country has the most utility grid security companies?

The United States leads with 174 companies, followed by the United Kingdom (34). Every utility grid security companies list by country and city is linked on this page.

Which city has the most utility grid security companies?

London leads with 11 company records, followed by Dubai (8) and Houston (8).

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 2,984 professional contacts with verified work emails tracked across these 607 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.