Company lists · Data refreshed November 2026
Top 25 Utility grid security companies based in the United States
RevenueBase identified 174 company matches for utility grid security companies associated with the United States as of November 2026 and tracks 2,573 professional contacts across them, including 1,326 with verified work emails. Houston is the largest hub.
This list covers company matches for utility grid security companies 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 November 5, 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.
The 25 largest utility grid security companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 670 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 | |||||
| 2 | 186 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 | |||||
| 3 | 113 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 | |||||
| 4 | 102 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 | |||||
| 5 | 69 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 | |||||
| 6 | 67 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 64 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 | |||||
| 8 | 61 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 | |||||
| 9 | 55 contacts → | ||||
Exact match “Our Services: 24Hr UL/FM Listed Central Station Commercial and Industrial Security Systems Residential Alarm Systems CCTV Cameras and Systems Digital Video Recorders Fire Alarm…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 50 contacts → | ||||
Exact match “ClearFocus® Technologies provides advanced cybersecurity services that secure our nation’s most sensitive assets.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 43 contacts → | ||||
Exact match “Your Vision Achieved.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 41 contacts → | ||||
Exact match “Redspin, a division of Clearwater, has become one of the most trusted cybersecurity companies for the Defense Industrial Base.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 36 contacts → | ||||
Exact match “SecuLore was acquired by Motorola Solutions in 2026.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 31 contacts → | ||||
Exact match “At Cyber Realm Solutions, we provide the expertise needed to support every stage of cybersecurity initiatives across nuclear, utility, and critical infrastructure environments.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 31 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 30 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 29 contacts → | ||||
Exact match “Phoenix Cyber is a leading cybersecurity services company providing security engineering, operations, and technical cybersecurity expertise to organizations determined to mitigate…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 29 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 27 contacts → | ||||
Exact match “GridSecurity (GridSec) provides network operations and managed security services for inverter-based renewable generators and control centers.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 26 contacts → | ||||
Exact match “As an IT company founded inside an energy cooperative, we understand the critical role that energy cooperatives and utility partners play in their communities.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 24 contacts → | ||||
Exact match “At Armexa, we protect what matters most.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 24 contacts → | ||||
Exact match “At SkyHelm, our mission is to protect America’s critical infrastructure technology.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 22 contacts → | ||||
Exact match “OTM Cyber provides cybersecurity solutions to businesses and government agencies with a specialty in 911 and public safety.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 21 contacts → | ||||
Exact match “Founded in 2013, as one of the boutique cybersecurity providers, InterSec, Inc.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 20 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “utility grid security companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 174 utility grid security companies based in the United States
See the full list, filter by size, metro and specialty, and access 1,326 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Utility grid security companies based in the United States at a glance
As of Nov 5, 2026Companies by employee count
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 174 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 “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. 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 1,326 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.
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 based in the United States?
RevenueBase identified 174 company matches for utility grid security companies associated with the United States 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 city has the most utility grid security companies?
Houston leads with 8 company records, followed by Columbia (7) and Austin (6).
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 1,326 professional contacts with verified work emails tracked across these 174 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.
Ready to reach these companies? Verified emails and direct dials for all 174 utility grid security companies based in the United States. Start with a free account, no credit card.
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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.
More company lists
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- New lists
- Utility grid security companies based in the United Kingdom
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- Utilities based in the United States
Company intelligence · public preview
Top 25 utility grid security companies based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 174 matching company records for utility grid security companies based in the United States, with 2,573 tracked contacts and 1,326 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 utility grid security companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Dragos, INCdragos.comHQ: Hanover, MD, United StatesReported employees: 501-1,000 | Hanover, MD, United States | 501-1,000 | Exact match | 670 contacts → |
“Dragos provides the most effective OT cybersecurity technology for industrial and critical infrastructure to deliver on our global mission: to safeguard civilization.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Gridwaregridware.ioHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 186 contacts → |
“Gridware is a technology company focused on protecting and enhancing the electrical grid.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Everlineeverlineus.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 113 contacts → |
“EverLine provides fully-integrated compliance, SCADA/IT, control room and security services to more than 200 customers nationwide through a unique Technical Stack.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Directdefensedirectdefense.comHQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 102 contacts → |
“DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Apollo Information Systemsapollo-is.comHQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 69 contacts → |
“Apollo Information Systems delivers intelligence-led cybersecurity solutions for government agencies, educational institutions, and enterprises.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Infosight, INCinfosightinc.comHQ: Miami Lakes, IL, United StatesReported employees: 11-50 | Miami Lakes, IL, United States | 11-50 | Exact match | 67 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 |  Holtec Security Internationalholtecinternational.comHQ: Camden, NJ, United StatesReported employees: 201-500 | Camden, NJ, United States | 201-500 | Exact match | 64 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Trofholz Technologies, INCtrofholz.comHQ: Sacramento, CA, United StatesReported employees: 51-200 | Sacramento, CA, United States | 51-200 | Exact match | 61 contacts → |
“Trofholz Technologies is a Woman-Owned; Veteran-Owned Small Business located in Sacramento, California.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Electronix Systems C.S.A. INCelectronixsystems.comHQ: Huntington Station, NY, United StatesReported employees: 51-200 | Huntington Station, NY, United States | 51-200 | Exact match | 55 contacts → |
“Our Services: 24Hr UL/FM Listed Central Station Commercial and Industrial Security Systems Residential Alarm Systems CCTV Cameras and Systems Digital Video Recorders Fire Alarm…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Clearfocus Technologiesclearfocustech.comHQ: Leesburg, VA, United StatesReported employees: 51-200 | Leesburg, VA, United States | 51-200 | Exact match | 50 contacts → |
“ClearFocus® Technologies provides advanced cybersecurity services that secure our nation’s most sensitive assets.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  AVINTavintllc.comHQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 43 contacts → |
“Your Vision Achieved.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Redspin, A Division Of Clearwaterredspin.comHQ: Nashville, TN, United StatesReported employees: 51-200 | Nashville, TN, United States | 51-200 | Exact match | 41 contacts → |
“Redspin, a division of Clearwater, has become one of the most trusted cybersecurity companies for the Defense Industrial Base.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Seculoreseculore.comHQ: Odenton, MD, United StatesReported employees: 11-50 | Odenton, MD, United States | 11-50 | Exact match | 36 contacts → |
“SecuLore was acquired by Motorola Solutions in 2026.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Cyber Realm Solutionscyberrealmsolutions.netHQ: Southport, NC, United StatesReported employees: 11-50 | Southport, NC, United States | 11-50 | Exact match | 31 contacts → |
“At Cyber Realm Solutions, we provide the expertise needed to support every stage of cybersecurity initiatives across nuclear, utility, and critical infrastructure environments.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Infrashieldinfrashield.comHQ: Fairfax, United StatesReported employees: 11-50 | Fairfax, United States | 11-50 | Exact match | 31 contacts → |
“InfraShield is a U.S-based cyber-physical security company specializing in the protection of critical infrastructure systems across OT and IT environments.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Cavalry Solutions, LLCcavalry.solutionsHQ: Greenwood Village, CO, United StatesReported employees: 51-200 | Greenwood Village, CO, United States | 51-200 | Exact match | 30 contacts → |
“Cavalry Solutions, LLC is a pure-play, security consulting services firm that serves critical infrastructure and specializes in complex systems.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Phoenix Cyberphoenixcyber.comHQ: Scottsdale, AZ, United StatesReported employees: 11-50 | Scottsdale, AZ, United States | 11-50 | Exact match | 29 contacts → |
“Phoenix Cyber is a leading cybersecurity services company providing security engineering, operations, and technical cybersecurity expertise to organizations determined to mitigate…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  First Watch Technologies, INCfirstwatchcorp.comHQ: Fairlawn, OH, United StatesReported employees: 51-200 | Fairlawn, OH, United States | 51-200 | Exact match | 29 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 |  Gridsecurity INCgridsec.comHQ: Folsom, CA, United StatesReported employees: 11-50 | Folsom, CA, United States | 11-50 | Exact match | 27 contacts → |
“GridSecurity (GridSec) provides network operations and managed security services for inverter-based renewable generators and control centers.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Brillitbrillit.coHQ: Fredericksburg, VA, United StatesReported employees: 11-50 | Fredericksburg, VA, United States | 11-50 | Exact match | 26 contacts → |
“As an IT company founded inside an energy cooperative, we understand the critical role that energy cooperatives and utility partners play in their communities.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Armexaarmexa.comHQ: Houston, TN, United StatesReported employees: 11-50 | Houston, TN, United States | 11-50 | Exact match | 24 contacts → |
“At Armexa, we protect what matters most.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Skyhelmskyhelm.comHQ: Oklahoma City, United StatesReported employees: 11-50 | Oklahoma City, United States | 11-50 | Exact match | 24 contacts → |
“At SkyHelm, our mission is to protect America’s critical infrastructure technology.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  OTM Cyberotmcyber.comHQ: Huntsville, AL, United StatesReported employees: 11-50 | Huntsville, AL, United States | 11-50 | Exact match | 22 contacts → |
“OTM Cyber provides cybersecurity solutions to businesses and government agencies with a specialty in 911 and public safety.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Intersec, INCintersecinc.comHQ: Leesburg, VA, United StatesReported employees: 11-50 | Leesburg, VA, United States | 11-50 | Exact match | 21 contacts → |
“Founded in 2013, as one of the boutique cybersecurity providers, InterSec, Inc.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Columbia, United StatesReported employees: 51-200 | Columbia, United States | 51-200 | Exact match | 20 contacts → |
“Enterprise Security Solutions helps data center, utility, enterprise, and government clients protect facilities, infrastructure, and personnel.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 174 company matches
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Utility grid security companies: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
173 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 174 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for utility grid security companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many utility grid security companies did RevenueBase find based in the United States?
The saved snapshot records 174 matching company records, 2,573 tracked contacts and 1,326 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Utility grid security companies by geography
Cite this list
RevenueBase Data Team. Top 25 utility grid security companies based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/utility-grid-security-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Utility grid security companies based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Oil and gas companies based in the United States
- Utilities based in the United States
Company intelligence · public preview
Top 25 utility grid security companies based in the United States
RevenueBase records 174 matching company records for utility grid security companies based in the United States, with 2,573 tracked contacts and 1,326 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 utility grid security companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Dragos, INCdragos.com HQ: Hanover, MD, United StatesReported employees: 501-1,000 | Hanover, MD, United States | 501-1,000 | Exact match | 670 contacts → |
“Dragos provides the most effective OT cybersecurity technology for industrial and critical infrastructure to deliver on our global mission: to safeguard civilization.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Gridwaregridware.io HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 186 contacts → |
“Gridware is a technology company focused on protecting and enhancing the electrical grid.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Everlineeverlineus.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 113 contacts → |
“EverLine provides fully-integrated compliance, SCADA/IT, control room and security services to more than 200 customers nationwide through a unique Technical Stack.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Directdefensedirectdefense.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 102 contacts → |
“DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Apollo Information Systemsapollo-is.com HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 69 contacts → |
“Apollo Information Systems delivers intelligence-led cybersecurity solutions for government agencies, educational institutions, and enterprises.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Infosight, INCinfosightinc.com HQ: Miami Lakes, IL, United StatesReported employees: 11-50 | Miami Lakes, IL, United States | 11-50 | Exact match | 67 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Holtec Security Internationalholtecinternational.com HQ: Camden, NJ, United StatesReported employees: 201-500 | Camden, NJ, United States | 201-500 | Exact match | 64 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Trofholz Technologies, INCtrofholz.com HQ: Sacramento, CA, United StatesReported employees: 51-200 | Sacramento, CA, United States | 51-200 | Exact match | 61 contacts → |
“Trofholz Technologies is a Woman-Owned; Veteran-Owned Small Business located in Sacramento, California.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Electronix Systems C.S.A. INCelectronixsystems.com HQ: Huntington Station, NY, United StatesReported employees: 51-200 | Huntington Station, NY, United States | 51-200 | Exact match | 55 contacts → |
“Our Services: 24Hr UL/FM Listed Central Station Commercial and Industrial Security Systems Residential Alarm Systems CCTV Cameras and Systems Digital Video Recorders Fire Alarm…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Clearfocus Technologiesclearfocustech.com HQ: Leesburg, VA, United StatesReported employees: 51-200 | Leesburg, VA, United States | 51-200 | Exact match | 50 contacts → |
“ClearFocus® Technologies provides advanced cybersecurity services that secure our nation’s most sensitive assets.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | AVINTavintllc.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 43 contacts → |
“Your Vision Achieved.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Redspin, A Division Of Clearwaterredspin.com HQ: Nashville, TN, United StatesReported employees: 51-200 | Nashville, TN, United States | 51-200 | Exact match | 41 contacts → |
“Redspin, a division of Clearwater, has become one of the most trusted cybersecurity companies for the Defense Industrial Base.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Seculoreseculore.com HQ: Odenton, MD, United StatesReported employees: 11-50 | Odenton, MD, United States | 11-50 | Exact match | 36 contacts → |
“SecuLore was acquired by Motorola Solutions in 2026.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Cyber Realm Solutionscyberrealmsolutions.net HQ: Southport, NC, United StatesReported employees: 11-50 | Southport, NC, United States | 11-50 | Exact match | 31 contacts → |
“At Cyber Realm Solutions, we provide the expertise needed to support every stage of cybersecurity initiatives across nuclear, utility, and critical infrastructure environments.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Infrashieldinfrashield.com HQ: Fairfax, United StatesReported employees: 11-50 | Fairfax, United States | 11-50 | Exact match | 31 contacts → |
“InfraShield is a U.S-based cyber-physical security company specializing in the protection of critical infrastructure systems across OT and IT environments.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Cavalry Solutions, LLCcavalry.solutions HQ: Greenwood Village, CO, United StatesReported employees: 51-200 | Greenwood Village, CO, United States | 51-200 | Exact match | 30 contacts → |
“Cavalry Solutions, LLC is a pure-play, security consulting services firm that serves critical infrastructure and specializes in complex systems.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Phoenix Cyberphoenixcyber.com HQ: Scottsdale, AZ, United StatesReported employees: 11-50 | Scottsdale, AZ, United States | 11-50 | Exact match | 29 contacts → |
“Phoenix Cyber is a leading cybersecurity services company providing security engineering, operations, and technical cybersecurity expertise to organizations determined to mitigate…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | First Watch Technologies, INCfirstwatchcorp.com HQ: Fairlawn, OH, United StatesReported employees: 51-200 | Fairlawn, OH, United States | 51-200 | Exact match | 29 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Gridsecurity INCgridsec.com HQ: Folsom, CA, United StatesReported employees: 11-50 | Folsom, CA, United States | 11-50 | Exact match | 27 contacts → |
“GridSecurity (GridSec) provides network operations and managed security services for inverter-based renewable generators and control centers.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Brillitbrillit.co HQ: Fredericksburg, VA, United StatesReported employees: 11-50 | Fredericksburg, VA, United States | 11-50 | Exact match | 26 contacts → |
“As an IT company founded inside an energy cooperative, we understand the critical role that energy cooperatives and utility partners play in their communities.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Armexaarmexa.com HQ: Houston, TN, United StatesReported employees: 11-50 | Houston, TN, United States | 11-50 | Exact match | 24 contacts → |
“At Armexa, we protect what matters most.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Skyhelmskyhelm.com HQ: Oklahoma City, United StatesReported employees: 11-50 | Oklahoma City, United States | 11-50 | Exact match | 24 contacts → |
“At SkyHelm, our mission is to protect America’s critical infrastructure technology.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | OTM Cyberotmcyber.com HQ: Huntsville, AL, United StatesReported employees: 11-50 | Huntsville, AL, United States | 11-50 | Exact match | 22 contacts → |
“OTM Cyber provides cybersecurity solutions to businesses and government agencies with a specialty in 911 and public safety.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Intersec, INCintersecinc.com HQ: Leesburg, VA, United StatesReported employees: 11-50 | Leesburg, VA, United States | 11-50 | Exact match | 21 contacts → |
“Founded in 2013, as one of the boutique cybersecurity providers, InterSec, Inc.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Columbia, United StatesReported employees: 51-200 | Columbia, United States | 51-200 | Exact match | 20 contacts → |
“Enterprise Security Solutions helps data center, utility, enterprise, and government clients protect facilities, infrastructure, and personnel.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 174 company matches
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Utility grid security companies: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
173 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 174 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for utility grid security companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many utility grid security companies did RevenueBase find based in the United States?
The saved snapshot records 174 matching company records, 2,573 tracked contacts and 1,326 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Utility grid security companies by geography
Cite this list
RevenueBase Data Team. Top 25 utility grid security companies based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/utility-grid-security-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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