Company lists · Data refreshed September 2026
Top 25 Transmission system cybersecurity companies based in the United States
RevenueBase identified 205 company matches for transmission system cybersecurity companies associated with the United States as of September 2026 and tracks 3,726 professional contacts across them, including 1,629 with verified work emails. New York is the largest hub.
This list covers company matches for transmission system cybersecurity 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 September 29, 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 transmission system cybersecurity companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 725 contacts → | ||||
Exact match “Claroty has redefined cyber-physical systems (CPS) protection with an unrivaled industry-centric platform built to secure mission-critical infrastructure.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 551 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 29, 2026 · View company records in RevenueBase | |||||
| 3 | 375 contacts → | ||||
Exact match “We protect the world’s critical infrastructure from cyber threats.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 156 contacts → | ||||
Exact match “AT & T Cybersecurity’s Edge-to-Edge technologies provide phenomenal threat intelligence, collaborative defense, security without the seams, and solutions that fit your business.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 116 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 29, 2026 · View company records in RevenueBase | |||||
| 6 | 104 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 29, 2026 · View company records in RevenueBase | |||||
| 7 | 81 contacts → | ||||
Exact match “At Vertek, we deliver advanced cybersecurity solutions that empower businesses to protect their digital assets and achieve peace of mind.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 75 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 29, 2026 · View company records in RevenueBase | |||||
| 9 | 65 contacts → | ||||
Exact match “RevelSI is a global cybersecurity, AI, software, and infrastructure services organization.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 64 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 29, 2026 · View company records in RevenueBase | |||||
| 11 | 58 contacts → | ||||
Exact match “CYBASTION develops robust world-class cybersecurity solutions tailored to suit the needs of different businesses, governments and public sector entities.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 55 contacts → | ||||
Exact match “Founded in 1980, Compuquip is a family-owned and operated advanced technology solutions partner for businesses throughout Florida and beyond.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 54 contacts → | ||||
Exact match “Guard 1 Services provides integrated security solutions for the energy industry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 38 contacts → | ||||
Exact match “Are You Ready to Protect Your Business with the Best Cybersecurity Solutions?” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 33 contacts → | ||||
Exact match “SIGA provides a Process-Oriented OT Cybersecurity with real-time decision- making capabilities for managing critical Incident Response (IR) phases of an OT cyberattack – including…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 31 contacts → | ||||
Exact match “SecuLore was acquired by Motorola Solutions in 2026.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 31 contacts → | ||||
Exact match “RunSafe Security protects embedded software across critical infrastructure, delivering automated vulnerability identification and software hardening from build-time to runtime to…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 29 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 29 contacts → | ||||
Exact match “Perfecta’s award-winning cybersecurity team builds secure telecommunications and network solutions that support federal and commercial cyber defense operations.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 25 contacts → | ||||
Exact match “At Armexa, we protect what matters most.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 25 contacts → | ||||
Exact match “At SkyHelm, our mission is to protect America’s critical infrastructure technology.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 25 contacts → | ||||
Exact match “Security Fist is a leading provider of integrated cybersecurity platforms, offering a suite of innovative solutions to help organizations build a culture of security, ensure…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 24 contacts → | ||||
Exact match “Since our inception, our focus has always been to be the first and final line of defense between you, your team, and your users in the never ending perils of technology.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 24 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 29, 2026 · View company records in RevenueBase | |||||
| 25 | 24 contacts → | ||||
Exact match “At Varmoda Tech, we are on a mission to revolutionize industries and drive meaningful change through cutting-edge technology solutions.” Recorded in the RevenueBase company graph · Sep 29, 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 “transmission system cybersecurity 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 205 transmission system cybersecurity companies based in the United States
See the full list, filter by size, metro and specialty, and access 1,629 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Transmission system cybersecurity companies based in the United States at a glance
As of Sep 29, 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 205 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 “transmission system cybersecurity 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 1,629 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 29, 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 “transmission system cybersecurity companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many transmission system cybersecurity companies are there based in the United States?
RevenueBase identified 205 company matches for transmission system cybersecurity companies 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?
Claroty tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most transmission system cybersecurity companies?
New York leads with 10 company records, followed by Houston (9) and Austin (7).
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 1,629 professional contacts with verified work emails tracked across these 205 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 205 transmission system cybersecurity companies based in the United States. Start with a free account, no credit card.
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Transmission system cybersecurity companies by geography
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Transmission system cybersecurity companies based in India
- Transmission system cybersecurity 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
- Media companies based in the United States
Company intelligence · public preview
Top 25 transmission system cybersecurity 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 205 matching company records for transmission system cybersecurity companies based in the United States, with 3,726 tracked contacts and 1,629 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: September 29, 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 transmission system cybersecurity 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 |  Clarotyclaroty.comHQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 725 contacts → |
“Claroty has redefined cyber-physical systems (CPS) protection with an unrivaled industry-centric platform built to secure mission-critical infrastructure.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Dragos, INCdragos.comHQ: Hanover, MD, United StatesReported employees: 501-1,000 | Hanover, MD, United States | 501-1,000 | Exact match | 551 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Nozomi Networksnozominetworks.comHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 375 contacts → |
“We protect the world’s critical infrastructure from cyber threats.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | At&t Cybersecuritycybersecurity.att.com HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 156 contacts → |
“AT & T Cybersecurity’s Edge-to-Edge technologies provide phenomenal threat intelligence, collaborative defense, security without the seams, and solutions that fit your business.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Foxguardfoxguardsolutions.comHQ: Christiansburg, VA, United StatesReported employees: 51-200 | Christiansburg, VA, United States | 51-200 | Exact match | 116 contacts → |
“Foxguard delivers comprehensive OT Cyber Security and Compute Solutions tailored to meet the unique needs of critical infrastructures.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Morphisecmorphisec.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 104 contacts → |
“We empower organizations with resilient, self-healing capabilities that prevent and neutralize even the most advanced cyber threats.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Vertek Corporationvertek.comHQ: Burlington, VT, United StatesReported employees: 51-200 | Burlington, VT, United States | 51-200 | Exact match | 81 contacts → |
“At Vertek, we deliver advanced cybersecurity solutions that empower businesses to protect their digital assets and achieve peace of mind.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Redlattice, INCredlattice.comHQ: Washington, DC, United StatesReported employees: 501-1,000 | Washington, DC, United States | 501-1,000 | Exact match | 75 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Revelsirevelsi.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 65 contacts → |
“RevelSI is a global cybersecurity, AI, software, and infrastructure services organization.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Apollo Information Systemsapollo-is.comHQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 64 contacts → |
“Apollo Information Systems delivers intelligence-led cybersecurity solutions for government agencies, educational institutions, and enterprises.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Cybastioncybastiontech.comHQ: Arlington, VA, United StatesReported employees: 51-200 | Arlington, VA, United States | 51-200 | Exact match | 58 contacts → |
“CYBASTION develops robust world-class cybersecurity solutions tailored to suit the needs of different businesses, governments and public sector entities.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Compuquip Cybersecuritycompuquip.comHQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 55 contacts → |
“Founded in 1980, Compuquip is a family-owned and operated advanced technology solutions partner for businesses throughout Florida and beyond.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Guard 1 Servicesguard1services.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 54 contacts → |
“Guard 1 Services provides integrated security solutions for the energy industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Aspire Tech Services And Solutions Corpaspiretss.comHQ: NY, United StatesReported employees: 51-200 | NY, United States | 51-200 | Exact match | 38 contacts → |
“Are You Ready to Protect Your Business with the Best Cybersecurity Solutions?” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  SIGAsigasec.comHQ: Wilmington, United StatesReported employees: 11-50 | Wilmington, United States | 11-50 | Exact match | 33 contacts → |
“SIGA provides a Process-Oriented OT Cybersecurity with real-time decision- making capabilities for managing critical Incident Response (IR) phases of an OT cyberattack – including…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Seculoreseculore.comHQ: Odenton, MD, United StatesReported employees: 11-50 | Odenton, MD, United States | 11-50 | Exact match | 31 contacts → |
“SecuLore was acquired by Motorola Solutions in 2026.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Runsafe Security INCrunsafesecurity.comHQ: Mclean, VA, United StatesReported employees: 11-50 | Mclean, VA, United States | 11-50 | Exact match | 31 contacts → |
“RunSafe Security protects embedded software across critical infrastructure, delivering automated vulnerability identification and software hardening from build-time to runtime to…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Cyber Realm Solutionscyberrealmsolutions.netHQ: Southport, NC, United StatesReported employees: 11-50 | Southport, NC, United States | 11-50 | Exact match | 29 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Perfectaperfecta.comHQ: Springfield, VA, United StatesReported employees: 51-200 | Springfield, VA, United States | 51-200 | Exact match | 29 contacts → |
“Perfecta’s award-winning cybersecurity team builds secure telecommunications and network solutions that support federal and commercial cyber defense operations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Armexaarmexa.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 25 contacts → |
“At Armexa, we protect what matters most.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Skyhelmskyhelm.comHQ: Oklahoma City, United StatesReported employees: 11-50 | Oklahoma City, United States | 11-50 | Exact match | 25 contacts → |
“At SkyHelm, our mission is to protect America’s critical infrastructure technology.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Security Fistsecurityfist.com HQ: Virginia, VA, United StatesReported employees: 11-50 | Virginia, VA, United States | 11-50 | Exact match | 25 contacts → |
“Security Fist is a leading provider of integrated cybersecurity platforms, offering a suite of innovative solutions to help organizations build a culture of security, ensure…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Redeye Network Solutions LLCredeyenetworks.comHQ: Mesa, AZ, United StatesReported employees: 11-50 | Mesa, AZ, United States | 11-50 | Exact match | 24 contacts → |
“Since our inception, our focus has always been to be the first and final line of defense between you, your team, and your users in the never ending perils of technology.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Infrashieldinfrashield.comHQ: Fairfax, United StatesReported employees: 11-50 | Fairfax, United States | 11-50 | Exact match | 24 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Varmoda Techvarmoda.com HQ: Ashburn, VA, United StatesReported employees: 11-50 | Ashburn, VA, United States | 11-50 | Exact match | 24 contacts → |
“At Varmoda Tech, we are on a mission to revolutionize industries and drive meaningful change through cutting-edge technology solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 205 company matches
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Transmission system cybersecurity companies: dataset insights
September 29, 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
205 records in the displayed employee bands.
0 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 205 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: September 29, 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 transmission system cybersecurity 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 transmission system cybersecurity companies did RevenueBase find based in the United States?
The saved snapshot records 205 matching company records, 3,726 tracked contacts and 1,629 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: September 29, 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
Transmission system cybersecurity companies by geography
Cite this list
RevenueBase Data Team. Top 25 transmission system cybersecurity companies based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/transmission-system-cybersecurity-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
- Transmission system cybersecurity companies based in India
- Transmission system cybersecurity 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
- Media companies based in the United States
Company intelligence · public preview
Top 25 transmission system cybersecurity companies based in the United States
RevenueBase records 205 matching company records for transmission system cybersecurity companies based in the United States, with 3,726 tracked contacts and 1,629 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: September 29, 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 transmission system cybersecurity 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 | Clarotyclaroty.com HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 725 contacts → |
“Claroty has redefined cyber-physical systems (CPS) protection with an unrivaled industry-centric platform built to secure mission-critical infrastructure.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Dragos, INCdragos.com HQ: Hanover, MD, United StatesReported employees: 501-1,000 | Hanover, MD, United States | 501-1,000 | Exact match | 551 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Nozomi Networksnozominetworks.com HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 375 contacts → |
“We protect the world’s critical infrastructure from cyber threats.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | At&t Cybersecuritycybersecurity.att.com HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 156 contacts → |
“AT & T Cybersecurity’s Edge-to-Edge technologies provide phenomenal threat intelligence, collaborative defense, security without the seams, and solutions that fit your business.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Foxguardfoxguardsolutions.com HQ: Christiansburg, VA, United StatesReported employees: 51-200 | Christiansburg, VA, United States | 51-200 | Exact match | 116 contacts → |
“Foxguard delivers comprehensive OT Cyber Security and Compute Solutions tailored to meet the unique needs of critical infrastructures.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Morphisecmorphisec.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 104 contacts → |
“We empower organizations with resilient, self-healing capabilities that prevent and neutralize even the most advanced cyber threats.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Vertek Corporationvertek.com HQ: Burlington, VT, United StatesReported employees: 51-200 | Burlington, VT, United States | 51-200 | Exact match | 81 contacts → |
“At Vertek, we deliver advanced cybersecurity solutions that empower businesses to protect their digital assets and achieve peace of mind.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Redlattice, INCredlattice.com HQ: Washington, DC, United StatesReported employees: 501-1,000 | Washington, DC, United States | 501-1,000 | Exact match | 75 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Revelsirevelsi.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 65 contacts → |
“RevelSI is a global cybersecurity, AI, software, and infrastructure services organization.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Apollo Information Systemsapollo-is.com HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 64 contacts → |
“Apollo Information Systems delivers intelligence-led cybersecurity solutions for government agencies, educational institutions, and enterprises.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Cybastioncybastiontech.com HQ: Arlington, VA, United StatesReported employees: 51-200 | Arlington, VA, United States | 51-200 | Exact match | 58 contacts → |
“CYBASTION develops robust world-class cybersecurity solutions tailored to suit the needs of different businesses, governments and public sector entities.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Compuquip Cybersecuritycompuquip.com HQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 55 contacts → |
“Founded in 1980, Compuquip is a family-owned and operated advanced technology solutions partner for businesses throughout Florida and beyond.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Guard 1 Servicesguard1services.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 54 contacts → |
“Guard 1 Services provides integrated security solutions for the energy industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Aspire Tech Services And Solutions Corpaspiretss.com HQ: NY, United StatesReported employees: 51-200 | NY, United States | 51-200 | Exact match | 38 contacts → |
“Are You Ready to Protect Your Business with the Best Cybersecurity Solutions?” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | SIGAsigasec.com HQ: Wilmington, United StatesReported employees: 11-50 | Wilmington, United States | 11-50 | Exact match | 33 contacts → |
“SIGA provides a Process-Oriented OT Cybersecurity with real-time decision- making capabilities for managing critical Incident Response (IR) phases of an OT cyberattack – including…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Seculoreseculore.com HQ: Odenton, MD, United StatesReported employees: 11-50 | Odenton, MD, United States | 11-50 | Exact match | 31 contacts → |
“SecuLore was acquired by Motorola Solutions in 2026.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Runsafe Security INCrunsafesecurity.com HQ: Mclean, VA, United StatesReported employees: 11-50 | Mclean, VA, United States | 11-50 | Exact match | 31 contacts → |
“RunSafe Security protects embedded software across critical infrastructure, delivering automated vulnerability identification and software hardening from build-time to runtime to…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Cyber Realm Solutionscyberrealmsolutions.net HQ: Southport, NC, United StatesReported employees: 11-50 | Southport, NC, United States | 11-50 | Exact match | 29 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Perfectaperfecta.com HQ: Springfield, VA, United StatesReported employees: 51-200 | Springfield, VA, United States | 51-200 | Exact match | 29 contacts → |
“Perfecta’s award-winning cybersecurity team builds secure telecommunications and network solutions that support federal and commercial cyber defense operations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Armexaarmexa.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 25 contacts → |
“At Armexa, we protect what matters most.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Skyhelmskyhelm.com HQ: Oklahoma City, United StatesReported employees: 11-50 | Oklahoma City, United States | 11-50 | Exact match | 25 contacts → |
“At SkyHelm, our mission is to protect America’s critical infrastructure technology.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Security Fistsecurityfist.com HQ: Virginia, VA, United StatesReported employees: 11-50 | Virginia, VA, United States | 11-50 | Exact match | 25 contacts → |
“Security Fist is a leading provider of integrated cybersecurity platforms, offering a suite of innovative solutions to help organizations build a culture of security, ensure…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Redeye Network Solutions LLCredeyenetworks.com HQ: Mesa, AZ, United StatesReported employees: 11-50 | Mesa, AZ, United States | 11-50 | Exact match | 24 contacts → |
“Since our inception, our focus has always been to be the first and final line of defense between you, your team, and your users in the never ending perils of technology.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Infrashieldinfrashield.com HQ: Fairfax, United StatesReported employees: 11-50 | Fairfax, United States | 11-50 | Exact match | 24 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Varmoda Techvarmoda.com HQ: Ashburn, VA, United StatesReported employees: 11-50 | Ashburn, VA, United States | 11-50 | Exact match | 24 contacts → |
“At Varmoda Tech, we are on a mission to revolutionize industries and drive meaningful change through cutting-edge technology solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 205 company matches
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Transmission system cybersecurity companies: dataset insights
September 29, 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
205 records in the displayed employee bands.
0 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 205 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: September 29, 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 transmission system cybersecurity 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 transmission system cybersecurity companies did RevenueBase find based in the United States?
The saved snapshot records 205 matching company records, 3,726 tracked contacts and 1,629 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: September 29, 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
Transmission system cybersecurity companies by geography
Cite this list
RevenueBase Data Team. Top 25 transmission system cybersecurity companies based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/transmission-system-cybersecurity-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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