Company lists · Data refreshed September 2026

Top 25 Energy grid security providers based in the United States

RevenueBase identified 168 company matches for energy grid security providers associated with the United States as of September 2026 and tracks 5,055 professional contacts across them, including 2,220 with verified work emails. Houston is the largest hub.

This list covers company matches for energy grid security providers associated with the United States, 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.

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
168Companies
5,055Contacts tracked
2,220Verified emails
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The 25 largest energy grid security providers based in the United States

Ranked by team size
Top 25 of 168 company matches for energy grid security providers based in the United States, 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 matchFolsom, CA, United StatesHQ recorded Sep 28, 2026501-1,000847 contacts →

Exact match

“The California Independent System Operator (ISO) manages the flow of electricity across the high-voltage, long-distance power lines that make up 80 percent of California's power…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact 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
3Exact 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
4Exact matchCharlotte, NC, United StatesHQ recorded Sep 28, 202651-200151 contacts →

Exact match

“The electric grid is vital to our everyday lives.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 202651-200139 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchPortland, OR, United StatesHQ recorded Sep 28, 2026201-500128 contacts →

Exact match

“Tripwire is proud to be part of Fortra’s comprehensive cybersecurity portfolio.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchChristiansburg, VA, United StatesHQ recorded Sep 28, 202651-200116 contacts →

Exact match

“Foxguard delivers comprehensive OT Cyber Security and Compute Solutions tailored to meet the unique needs of critical infrastructures.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchCleveland, OH, United StatesHQ recorded Sep 28, 202651-200107 contacts →

Exact match

“ReliabilityFirst works to maintain the reliability, security and resilience of the electric grid across 13 states and the District of Columbia, which stretches from the Atlantic…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchDurham, NC, United StatesHQ recorded Sep 28, 202651-200105 contacts →

Exact match

“Smart Wires is the world’s leading grid enhancing technology and services provider.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Sep 28, 202651-200104 contacts →

Exact match

“We empower organizations with resilient, self-healing capabilities that prevent and neutralize even the most advanced cyber threats.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Sep 28, 2026201-500102 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 · Sep 28, 2026 · View company records in RevenueBase
12Exact matchWashington, DC, United StatesHQ recorded Sep 28, 2026501-1,00075 contacts →

Exact match

“REDLattice™ is a U.S-owned global defense tech company delivering preeminent digital access for its customers within the global intelligence community, law enforcement, and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchSan Jose, CA, United StatesHQ recorded Sep 28, 202651-20068 contacts →

Exact match

“Networked Energy Services Corporation is a global smart energy leader in the worldwide transformation of the electricity grid into an energy control network, enabling utilities to…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchPetersburg, VA, United StatesHQ recorded Sep 28, 202651-20068 contacts →

Exact match

“Protection and Resiliency 24.7.365 Elite Contracting Group is a full-service security and resiliency solution integrator.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchDallas, TX, United StatesHQ recorded Sep 28, 202651-20064 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchClearwater, FL, United StatesHQ recorded Sep 28, 2026201-50064 contacts →

Exact match

“Ops Tech Alliance was formed with a single focus: to bridge the gap between operations and technology to enable mission success.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchLafayette, LA, United StatesHQ recorded Sep 28, 202651-20058 contacts →

Exact match

“Are your critical infrastructure assets fully protected against evolving security threats?”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Sep 28, 202651-20054 contacts →

Exact match

“Guard 1 Services provides integrated security solutions for the energy industry.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchHerndon, VA, United StatesHQ recorded Sep 28, 202651-20048 contacts →

Exact match

“Your Vision Achieved.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchOdenton, MD, United StatesHQ recorded Sep 28, 202611-5031 contacts →

Exact match

“SecuLore was acquired by Motorola Solutions in 2026.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchGreenwood Village, CO, United StatesHQ recorded Sep 28, 202651-20028 contacts →

Exact match

“Cavalry Solutions, LLC is a pure-play, security consulting services firm that serves critical infrastructure and specializes in complex systems.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Sep 28, 202611-5025 contacts →

Exact match

“At Armexa, we protect what matters most.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchOklahoma City, United StatesHQ recorded Sep 28, 202611-5025 contacts →

Exact match

“At SkyHelm, our mission is to protect America’s critical infrastructure technology.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchFairfax, United StatesHQ recorded Sep 28, 202611-5024 contacts →

Exact match

“InfraShield is a U.S-based cyber-physical security company specializing in the protection of critical infrastructure systems across OT and IT environments.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchColumbia, United StatesHQ recorded Sep 28, 202651-20024 contacts →

Exact match

“Enterprise Security Solutions helps data center, utility, enterprise, and government clients protect facilities, infrastructure, and personnel.”

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

Showing 25 of 168 energy grid security providers based in the United States

See the full list, filter by size, metro and specialty, and access 2,220 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy grid security providers based in the United States at a glance

As of Sep 28, 2026
43.9%Verified-email coverage
30.1Average contacts per company
11-50Median size (employees)
5.4%Largest-city concentration · Houston
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
76
11-50
52
51-200
24
201-500
8
501-1,000
6
5,001-10,000
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 168 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “energy grid security providers” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 2,220 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.

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 grid security providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy grid security providers are there based in the United States?

RevenueBase identified 168 company matches for energy grid security providers associated with the United States 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?

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

Which city has the most energy grid security providers?

Houston leads with 9 company records, followed by Columbia (5) and Austin (4).

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 2,220 professional contacts with verified work emails tracked across these 168 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.

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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.