Company lists · Data refreshed September 2026
Top 24 Critical infrastructure cybersecurity companies based in New York, United States
RevenueBase identified 62 company matches for critical infrastructure cybersecurity companies associated with New York, United States as of September 2026 and tracks 1,490 professional contacts across them, including 405 with verified work emails. Across the United States, New York is the largest hub for this category.
This list covers company matches for critical infrastructure cybersecurity companies associated with New York, 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 27, 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 24 largest critical infrastructure cybersecurity companies based in New York, 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 27, 2026 · View company records in RevenueBase | |||||
| 2 | 163 contacts → | ||||
Exact match “Harbor IT helps organizations secure, operate, and scale through integrated IT, cybersecurity, AI, and cloud services.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 65 contacts → | ||||
Exact match “RevelSI is a global cybersecurity, AI, software, and infrastructure services organization.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 58 contacts → | ||||
Exact match “Altourage is a New York City-based managed IT and cybersecurity provider built for organizations that operate in high-stakes, fast-moving environments.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 55 contacts → | ||||
Exact match “Port53 Technologies is The Global Leader in Cisco-Based Managed Security Operations, helping organizations modernize and secure their digital environments through advanced…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 28 contacts → | ||||
Exact match “CipherTechs is now part of CyberMaxx, a tech-enabled cybersecurity service provider.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 28 contacts → | ||||
Exact match “When an attack or failure hits, every minute counts.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 25 contacts → | ||||
Exact match “SCADAfence is the global technology leader in OT & IoT cybersecurity.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 17 contacts → | ||||
Exact match “Cohere offers managed security and IT infrastructure services all under one roof.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 16 contacts → | ||||
Exact match “WizNucleus provides cyber & physical security solutions for mission-critical facilities, including nuclear and electric.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 12 contacts → | ||||
Exact match “We’re the nemesis of evil hackers attempting to take control of your system so they can extort money.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 12 contacts → | ||||
Exact match “AlphaRidge delivers governance-embedded security infrastructure for healthcare, financial services, and other regulated organizations.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 10 contacts → | ||||
Exact match “NY Metro InfraGard Mission Statement NY Metro InfraGard & InfraGard National protects United States critical infrastructure and the American people by cultivating communications…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 9 contacts → | ||||
Exact match “Techgardens is a systems integrator founded in 2009 and based in New York.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 9 contacts → | ||||
Exact match “Resonance Security offers full spectrum cybersecurity aggregation software for institutions and individuals that makes protecting against any cybersecurity threat effortless no…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 8 contacts → | ||||
Exact match “Sayfer, where people and technology meet to overcome web3 and blockchain challenges.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 8 contacts → | ||||
Exact match “HolistiCyber’s mission is to assist corporations in defending themselves from the new phase of evolution in Cyber threats - not only in volume, but in the level of sophistication.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 7 contacts → | ||||
Exact match “Firedome, a cybersecurity trailblazer, specializes in detection and response solutions for networks and IoT devices tailored for enterprise settings.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “Indegy, a leader in industrial cyber security, protects industrial control system (ICS) networks from cyber threats, malicious insiders and human error.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “Velstadt is a cybersecurity provider focused on delivering both offensive and defensive security services.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “Bytium LLC is a U.S-registered cybersecurity and IT solutions firm dedicated to helping organizations protect their information assets and maintain operational resilience.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “SecReliant is managed by a seasoned team – with backgrounds in cybersecurity, technology, blockchain enabled technology, and service in the armed forces – that is passionate…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “BrothersKeep is a boutique cybersecurity services firm with offices in New York and Israel, providing a full portfolio of enterprise-class cybersecurity solutions to businesses of…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 24 | 1 contacts → | ||||
Exact match “Technology Transformation Public / Private / Hybrid Cloud Architecture IAM / CIAM Cyber Maturity Assessment Cyber Strategy and Target Operating Model Development Security Risk…” Recorded in the RevenueBase company graph · Sep 27, 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 “critical infrastructure 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 24 of 62 critical infrastructure cybersecurity companies based in New York, United States
See the full list, filter by size, metro and specialty, and access 405 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Critical infrastructure cybersecurity companies based in New York, United States at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for New York, so it is reported there. Company counts and contact totals on this page are exact for New York, over 62 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 New York, United States whose business descriptions match “critical infrastructure 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 405 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 27, 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.
Critical infrastructure cybersecurity companies by metro in the United States
- Critical infrastructure cybersecurity companies in Washington62
- Critical infrastructure cybersecurity companies in Houston52
- Critical infrastructure cybersecurity companies in Atlanta44
- Critical infrastructure cybersecurity companies in Miami39
- Critical infrastructure cybersecurity companies in Austin34
- Critical infrastructure cybersecurity companies in Columbia33
- Critical infrastructure cybersecurity companies in Dallas32
- Critical infrastructure cybersecurity companies in Chicago31
- Critical infrastructure cybersecurity companies in Tampa30
- Critical infrastructure cybersecurity companies in Arlington27
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 “critical infrastructure cybersecurity companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many critical infrastructure cybersecurity companies are there based in New York, United States?
RevenueBase identified 62 company matches for critical infrastructure cybersecurity companies associated with New York, 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 in the United States has the most critical infrastructure cybersecurity companies?
New York leads the United States with 66 company records, followed by Washington (62) and Houston (52).
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 405 professional contacts with verified work emails tracked across these 62 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 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 62 critical infrastructure cybersecurity companies based in New York, United States. Start with a free account, no credit card.
Download this list →Related lists
Critical infrastructure cybersecurity companies by geography
- Critical infrastructure cybersecurity companies based in Brisbane, Australia
- Critical infrastructure cybersecurity companies based in Melbourne, Australia
- Critical infrastructure cybersecurity companies based in Sydney, Australia
- Critical infrastructure cybersecurity companies based in Sao Paulo, Brazil
- Critical infrastructure cybersecurity companies based in Montreal, Canada
- Critical infrastructure cybersecurity companies based in Toronto, Canada
- Critical infrastructure cybersecurity companies based in Santiago, Chile
- Critical infrastructure cybersecurity companies based in Bogota, Colombia
- Critical infrastructure cybersecurity companies based in Paris, France
- Critical infrastructure cybersecurity companies based in Ahmedabad, India
- Critical infrastructure cybersecurity companies based in Bangalore, India
- Critical infrastructure cybersecurity companies based in Chennai, India
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
- Critical infrastructure cybersecurity companies based in Brisbane, Australia
- Critical infrastructure cybersecurity companies based in Melbourne, Australia
- Critical infrastructure cybersecurity companies based in Sydney, Australia
- Critical infrastructure cybersecurity companies based in Sao Paulo, Brazil
- Critical infrastructure cybersecurity companies based in Montreal, Canada
- Critical infrastructure cybersecurity companies based in Toronto, Canada
Company intelligence · public preview
Top 24 critical infrastructure cybersecurity companies based in New York, 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 62 matching company records for critical infrastructure cybersecurity companies based in New York, United States, with 1,490 tracked contacts and 405 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 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 24 critical infrastructure cybersecurity companies based in New York, 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Harbor ITharborit.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 163 contacts → |
“Harbor IT helps organizations secure, operate, and scale through integrated IT, cybersecurity, AI, and cloud services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Altouragealtourage.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 58 contacts → |
“Altourage is a New York City-based managed IT and cybersecurity provider built for organizations that operate in high-stakes, fast-moving environments.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Port53port53.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 55 contacts → |
“Port53 Technologies is The Global Leader in Cisco-Based Managed Security Operations, helping organizations modernize and secure their digital environments through advanced…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Ciphertechs A Cybermaxx Companycybermaxx.comHQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 28 contacts → |
“CipherTechs is now part of CyberMaxx, a tech-enabled cybersecurity service provider.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Salvador Technologiessalvador-tech.comHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 28 contacts → |
“When an attack or failure hits, every minute counts.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Scadafence, A Honeywell Companyscadafence.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 25 contacts → |
“SCADAfence is the global technology leader in OT & IoT cybersecurity.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Cohere Cyber Securecoherecybersecure.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 17 contacts → |
“Cohere offers managed security and IT infrastructure services all under one roof.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Wiznucleus, INCwiznucleus.comHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 16 contacts → |
“WizNucleus provides cyber & physical security solutions for mission-critical facilities, including nuclear and electric.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Cyberconvoycyberconvoy.comHQ: New York, United StatesReported employees: 11-50 | New York, United States | 11-50 | Exact match | 12 contacts → |
“We’re the nemesis of evil hackers attempting to take control of your system so they can extort money.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Alpharidgealpharidge.comHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 12 contacts → |
“AlphaRidge delivers governance-embedded security infrastructure for healthcare, financial services, and other regulated organizations.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | NEW York Metro Infragardnym-infragard.us HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 10 contacts → |
“NY Metro InfraGard Mission Statement NY Metro InfraGard & InfraGard National protects United States critical infrastructure and the American people by cultivating communications…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Techgardenstechgardens.comHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 9 contacts → |
“Techgardens is a systems integrator founded in 2009 and based in New York.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Resonance Securityresonance.securityHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 9 contacts → |
“Resonance Security offers full spectrum cybersecurity aggregation software for institutions and individuals that makes protecting against any cybersecurity threat effortless no…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Sayfer Cyber Securitysayfer.ioHQ: New York, United StatesReported employees: 11-50 | New York, United States | 11-50 | Exact match | 8 contacts → |
“Sayfer, where people and technology meet to overcome web3 and blockchain challenges.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Holistic Cyber Holisticyberholisticyber.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 8 contacts → |
“HolistiCyber’s mission is to assist corporations in defending themselves from the new phase of evolution in Cyber threats - not only in volume, but in the level of sophistication.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Firedomefiredome.ioHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 7 contacts → |
“Firedome, a cybersecurity trailblazer, specializes in detection and response solutions for networks and IoT devices tailored for enterprise settings.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Indegytenable.comHQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 4 contacts → |
“Indegy, a leader in industrial cyber security, protects industrial control system (ICS) networks from cyber threats, malicious insiders and human error.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Velstadt Cybersecurityvelstadt.comHQ: New York, United StatesReported employees: 11-50 | New York, United States | 11-50 | Exact match | 4 contacts → |
“Velstadt is a cybersecurity provider focused on delivering both offensive and defensive security services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Bytiumbytium.comHQ: New York, NY, United StatesReported employees: 1-10 | New York, NY, United States | 1-10 | Exact match | 4 contacts → |
“Bytium LLC is a U.S-registered cybersecurity and IT solutions firm dedicated to helping organizations protect their information assets and maintain operational resilience.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Secreliantsecreliant.comHQ: New York, NY, United StatesReported employees: 1-10 | New York, NY, United States | 1-10 | Exact match | 3 contacts → |
“SecReliant is managed by a seasoned team – with backgrounds in cybersecurity, technology, blockchain enabled technology, and service in the armed forces – that is passionate…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Brotherskeepbrotherskeep.coHQ: New York, NY, United StatesReported employees: 1-10 | New York, NY, United States | 1-10 | Exact match | 3 contacts → |
“BrothersKeep is a boutique cybersecurity services firm with offices in New York and Israel, providing a full portfolio of enterprise-class cybersecurity solutions to businesses of…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Aniza Corpaniza.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 1 contacts → |
“Technology Transformation Public / Private / Hybrid Cloud Architecture IAM / CIAM Cyber Maturity Assessment Cyber Strategy and Target Operating Model Development Security Risk…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 62 company matches
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Critical infrastructure cybersecurity companies: dataset insights
September 27, 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
62 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 across the whole United States list rather than for New York, so it is reported there. Company counts and contact totals on this page are exact for New York, over 62 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 27, 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 ↗
Critical infrastructure cybersecurity companies by metro in the United States
- Critical infrastructure cybersecurity companies in Washington62
- Critical infrastructure cybersecurity companies in Houston52
- Critical infrastructure cybersecurity companies in Atlanta44
- Critical infrastructure cybersecurity companies in Miami39
- Critical infrastructure cybersecurity companies in Austin34
- Critical infrastructure cybersecurity companies in Columbia33
- Critical infrastructure cybersecurity companies in Dallas32
- Critical infrastructure cybersecurity companies in Chicago31
- Critical infrastructure cybersecurity companies in Tampa30
- Critical infrastructure cybersecurity companies in Arlington27
Questions about this company list
What does Exact match mean for critical infrastructure 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 critical infrastructure cybersecurity companies did RevenueBase find based in New York, United States?
The saved snapshot records 62 matching company records, 1,490 tracked contacts and 405 verified emails. The public preview displays 24 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 27, 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
Critical infrastructure cybersecurity companies by geography
- Critical infrastructure cybersecurity companies based in Brisbane, Australia
- Critical infrastructure cybersecurity companies based in Melbourne, Australia
- Critical infrastructure cybersecurity companies based in Sydney, Australia
- Critical infrastructure cybersecurity companies based in Sao Paulo, Brazil
- Critical infrastructure cybersecurity companies based in Montreal, Canada
- Critical infrastructure cybersecurity companies based in Toronto, Canada
- Critical infrastructure cybersecurity companies based in Santiago, Chile
- Critical infrastructure cybersecurity companies based in Bogota, Colombia
- Critical infrastructure cybersecurity companies based in Paris, France
- Critical infrastructure cybersecurity companies based in Ahmedabad, India
- Critical infrastructure cybersecurity companies based in Bangalore, India
- Critical infrastructure cybersecurity companies based in Chennai, India
Cite this list
RevenueBase Data Team. Top 24 critical infrastructure cybersecurity companies based in New York, United States. Snapshot: September 27, 2026. https://revenuebase.ai/companies/critical-infrastructure-cybersecurity-companies/united-states/new-york.
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
- Critical infrastructure cybersecurity companies based in Brisbane, Australia
- Critical infrastructure cybersecurity companies based in Melbourne, Australia
- Critical infrastructure cybersecurity companies based in Sydney, Australia
- Critical infrastructure cybersecurity companies based in Sao Paulo, Brazil
- Critical infrastructure cybersecurity companies based in Montreal, Canada
- Critical infrastructure cybersecurity companies based in Toronto, Canada
Company intelligence · public preview
Top 24 critical infrastructure cybersecurity companies based in New York, United States
RevenueBase records 62 matching company records for critical infrastructure cybersecurity companies based in New York, United States, with 1,490 tracked contacts and 405 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 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 24 critical infrastructure cybersecurity companies based in New York, 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Harbor ITharborit.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 163 contacts → |
“Harbor IT helps organizations secure, operate, and scale through integrated IT, cybersecurity, AI, and cloud services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Altouragealtourage.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 58 contacts → |
“Altourage is a New York City-based managed IT and cybersecurity provider built for organizations that operate in high-stakes, fast-moving environments.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Port53port53.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 55 contacts → |
“Port53 Technologies is The Global Leader in Cisco-Based Managed Security Operations, helping organizations modernize and secure their digital environments through advanced…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ciphertechs A Cybermaxx Companycybermaxx.com HQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 28 contacts → |
“CipherTechs is now part of CyberMaxx, a tech-enabled cybersecurity service provider.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Salvador Technologiessalvador-tech.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 28 contacts → |
“When an attack or failure hits, every minute counts.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Scadafence, A Honeywell Companyscadafence.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 25 contacts → |
“SCADAfence is the global technology leader in OT & IoT cybersecurity.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Cohere Cyber Securecoherecybersecure.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 17 contacts → |
“Cohere offers managed security and IT infrastructure services all under one roof.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Wiznucleus, INCwiznucleus.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 16 contacts → |
“WizNucleus provides cyber & physical security solutions for mission-critical facilities, including nuclear and electric.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Cyberconvoycyberconvoy.com HQ: New York, United StatesReported employees: 11-50 | New York, United States | 11-50 | Exact match | 12 contacts → |
“We’re the nemesis of evil hackers attempting to take control of your system so they can extort money.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Alpharidgealpharidge.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 12 contacts → |
“AlphaRidge delivers governance-embedded security infrastructure for healthcare, financial services, and other regulated organizations.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | NEW York Metro Infragardnym-infragard.us HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 10 contacts → |
“NY Metro InfraGard Mission Statement NY Metro InfraGard & InfraGard National protects United States critical infrastructure and the American people by cultivating communications…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Techgardenstechgardens.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 9 contacts → |
“Techgardens is a systems integrator founded in 2009 and based in New York.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Resonance Securityresonance.security HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 9 contacts → |
“Resonance Security offers full spectrum cybersecurity aggregation software for institutions and individuals that makes protecting against any cybersecurity threat effortless no…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Sayfer Cyber Securitysayfer.io HQ: New York, United StatesReported employees: 11-50 | New York, United States | 11-50 | Exact match | 8 contacts → |
“Sayfer, where people and technology meet to overcome web3 and blockchain challenges.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Holistic Cyber Holisticyberholisticyber.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 8 contacts → |
“HolistiCyber’s mission is to assist corporations in defending themselves from the new phase of evolution in Cyber threats - not only in volume, but in the level of sophistication.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Firedomefiredome.io HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 7 contacts → |
“Firedome, a cybersecurity trailblazer, specializes in detection and response solutions for networks and IoT devices tailored for enterprise settings.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Indegytenable.com HQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 4 contacts → |
“Indegy, a leader in industrial cyber security, protects industrial control system (ICS) networks from cyber threats, malicious insiders and human error.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Velstadt Cybersecurityvelstadt.com HQ: New York, United StatesReported employees: 11-50 | New York, United States | 11-50 | Exact match | 4 contacts → |
“Velstadt is a cybersecurity provider focused on delivering both offensive and defensive security services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Bytiumbytium.com HQ: New York, NY, United StatesReported employees: 1-10 | New York, NY, United States | 1-10 | Exact match | 4 contacts → |
“Bytium LLC is a U.S-registered cybersecurity and IT solutions firm dedicated to helping organizations protect their information assets and maintain operational resilience.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Secreliantsecreliant.com HQ: New York, NY, United StatesReported employees: 1-10 | New York, NY, United States | 1-10 | Exact match | 3 contacts → |
“SecReliant is managed by a seasoned team – with backgrounds in cybersecurity, technology, blockchain enabled technology, and service in the armed forces – that is passionate…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Brotherskeepbrotherskeep.co HQ: New York, NY, United StatesReported employees: 1-10 | New York, NY, United States | 1-10 | Exact match | 3 contacts → |
“BrothersKeep is a boutique cybersecurity services firm with offices in New York and Israel, providing a full portfolio of enterprise-class cybersecurity solutions to businesses of…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Aniza Corpaniza.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 1 contacts → |
“Technology Transformation Public / Private / Hybrid Cloud Architecture IAM / CIAM Cyber Maturity Assessment Cyber Strategy and Target Operating Model Development Security Risk…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 62 company matches
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Critical infrastructure cybersecurity companies: dataset insights
September 27, 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
62 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 across the whole United States list rather than for New York, so it is reported there. Company counts and contact totals on this page are exact for New York, over 62 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 27, 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 ↗
Critical infrastructure cybersecurity companies by metro in the United States
- Critical infrastructure cybersecurity companies in Washington62
- Critical infrastructure cybersecurity companies in Houston52
- Critical infrastructure cybersecurity companies in Atlanta44
- Critical infrastructure cybersecurity companies in Miami39
- Critical infrastructure cybersecurity companies in Austin34
- Critical infrastructure cybersecurity companies in Columbia33
- Critical infrastructure cybersecurity companies in Dallas32
- Critical infrastructure cybersecurity companies in Chicago31
- Critical infrastructure cybersecurity companies in Tampa30
- Critical infrastructure cybersecurity companies in Arlington27
Questions about this company list
What does Exact match mean for critical infrastructure 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 critical infrastructure cybersecurity companies did RevenueBase find based in New York, United States?
The saved snapshot records 62 matching company records, 1,490 tracked contacts and 405 verified emails. The public preview displays 24 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 27, 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
Critical infrastructure cybersecurity companies by geography
- Critical infrastructure cybersecurity companies based in Brisbane, Australia
- Critical infrastructure cybersecurity companies based in Melbourne, Australia
- Critical infrastructure cybersecurity companies based in Sydney, Australia
- Critical infrastructure cybersecurity companies based in Sao Paulo, Brazil
- Critical infrastructure cybersecurity companies based in Montreal, Canada
- Critical infrastructure cybersecurity companies based in Toronto, Canada
- Critical infrastructure cybersecurity companies based in Santiago, Chile
- Critical infrastructure cybersecurity companies based in Bogota, Colombia
- Critical infrastructure cybersecurity companies based in Paris, France
- Critical infrastructure cybersecurity companies based in Ahmedabad, India
- Critical infrastructure cybersecurity companies based in Bangalore, India
- Critical infrastructure cybersecurity companies based in Chennai, India
Cite this list
RevenueBase Data Team. Top 24 critical infrastructure cybersecurity companies based in New York, United States. Snapshot: September 27, 2026. https://revenuebase.ai/companies/critical-infrastructure-cybersecurity-companies/united-states/new-york.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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