Company lists · Data refreshed September 2026
Top 23 Security IT companies based in New York, United States
RevenueBase identified 166 company matches for security IT companies associated with New York, United States as of September 2026 and tracks 2,063 professional contacts across them, including 593 with verified work emails. Across the United States, New York is the largest hub for this category.
This list covers company matches for security IT 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 21, 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 23 largest security IT companies based in New York, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 200 contacts → | ||||
Exact match “Agio is a hybrid cybersecurity and managed IT organization that combines predictive intelligence with human brilliance to empower clients with next-generation cyber protection and…” Recorded in the RevenueBase company graph · Sep 21, 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 21, 2026 · View company records in RevenueBase | |||||
| 3 | 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 21, 2026 · View company records in RevenueBase | |||||
| 4 | 82 contacts → | ||||
Exact match “For over 30 years GMSC has been securing high profile buildings and offices across New York and Chicago.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 76 contacts → | ||||
Exact match “NopalCyber makes cybersecurity manageable, affordable, reliable, and powerful for companies that need to be resilient and compliant.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 66 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 65 contacts → | ||||
Exact match “RevelSI is a global cybersecurity, AI, software, and infrastructure services organization.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 60 contacts → | ||||
Exact match “A&H Security Services, is a certified NYC MBE security services provider who makes a difference in our community.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 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 21, 2026 · View company records in RevenueBase | |||||
| 10 | 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 21, 2026 · View company records in RevenueBase | |||||
| 11 | 54 contacts → | ||||
Exact match “White Wings Technologies is a forward-thinking IT solutions provider, specializing in cloud computing, cybersecurity, managed IT services, and strategic IT consulting.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 38 contacts → | ||||
Exact match “We're the security consultants Fortune 500s call when they're in real trouble, the ones who find what others miss, who speak CEO and CISO fluently.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 34 contacts → | ||||
Exact match “Established in 2001, Zecurion has emerged as a worldwide authority in IT security solutions, safeguarding the interests of more than corporate clients spanning across 70+…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 28 contacts → | ||||
Exact match “CipherTechs is now part of CyberMaxx, a tech-enabled cybersecurity service provider.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 21 contacts → | ||||
Exact match “Gotham Digital Science (GDS) was acquired in 2016 by Stroz Friedberg, an Aon company.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 19 contacts → | ||||
Exact match “ACA Aponix, a division of ACA Group, provides cybersecurity and technology risk assessments, vendor and M&A diligence services, network testing, and advisory services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 17 contacts → | ||||
Exact match “Cohere offers managed security and IT infrastructure services all under one roof.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 16 contacts → | ||||
Exact match “Unit 221B is a threat disruption company delivering actionable threat intelligence and cybersecurity solutions that enable enterprises, law enforcement, and government agencies to…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 12 contacts → | ||||
Exact match “smartIT provides top-notch, hassle-free, user-friendly, one-ticket resolution, reliable, on-site and remote IT and Infosec services to New York Metro businesses, organizations…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 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 21, 2026 · View company records in RevenueBase | |||||
| 21 | 12 contacts → | ||||
Exact match “At Silent Breach, we think like a hacker and defend like a pro.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 11 contacts → | ||||
Exact match “Analytica42 isn’t just a service provider; we’re a trusted partner in your security operations.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 9 contacts → | ||||
Exact match “Techgardens is a systems integrator founded in 2009 and based in New York.” Recorded in the RevenueBase company graph · Sep 21, 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 “security IT 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 23 of 166 security IT companies based in New York, United States
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Security IT companies based in New York, United States at a glance
As of Sep 21, 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 166 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 “security IT 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 593 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 21, 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.
Security IT companies by metro in the United States
- Security IT companies in Houston117
- Security IT companies in Miami99
- Security IT companies in Austin97
- Security IT companies in Chicago97
- Security IT companies in Washington96
- Security IT companies in Atlanta92
- Security IT companies in Dallas92
- Security IT companies in Tampa77
- Security IT companies in San Francisco72
- Security IT companies in San Diego56
- Security IT companies in Los Angeles55
- Security IT companies in Arlington54
- Security IT companies in Denver51
- Security IT companies in Boston47
- Security IT companies in Columbia47
- Security IT companies in Charlotte45
- Security IT companies in Orlando44
- Security IT companies in Las Vegas43
- Security IT companies in San Antonio43
- Security IT companies in Phoenix41
- Security IT companies in Mclean37
- Security IT companies in Reston37
- Security IT companies in Alexandria36
- Security IT companies in Baltimore36
- Security IT companies in Huntsville33
- Security IT companies in Wilmington33
- Security IT companies in Seattle32
- Security IT companies in Fairfax31
- Security IT companies in San Jose31
- Security IT companies in Raleigh30
- Security IT companies in Fort Lauderdale28
- Security IT companies in Scottsdale27
- Security IT companies in Indianapolis26
- Security IT companies in Portland26
- Security IT companies in Ashburn25
- Security IT companies in Colorado Springs25
- Security IT companies in Dover25
- Security IT companies in Pittsburgh25
- Security IT companies in Plano25
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 “security IT companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many security IT companies are there based in New York, United States?
RevenueBase identified 166 company matches for security IT 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?
AGIO 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 security IT companies?
New York leads the United States with 166 company records, followed by Houston (117) and Miami (99).
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 593 professional contacts with verified work emails tracked across these 166 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 166 security IT companies based in New York, United States. Start with a free account, no credit card.
Download this list →Related lists
Security IT companies by geography
- Security IT companies based in Brisbane, Australia
- Security IT companies based in Canberra, Australia
- Security IT companies based in Melbourne, Australia
- Security IT companies based in Sydney, Australia
- Security IT companies based in Barueri, Brazil
- Security IT companies based in Belo Horizonte, Brazil
- Security IT companies based in Brasilia, Brazil
- Security IT companies based in Curitiba, Brazil
- Security IT companies based in Rio De Janeiro, Brazil
- Security IT companies based in Sao Paulo, Brazil
- Security IT companies based in Calgary, Canada
- Security IT companies based in Edmonton, Canada
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
- Security IT companies based in Brisbane, Australia
- Security IT companies based in Canberra, Australia
- Security IT companies based in Melbourne, Australia
- Security IT companies based in Sydney, Australia
- Security IT companies based in Barueri, Brazil
- Security IT companies based in Belo Horizonte, Brazil
Company intelligence · public preview
Top 23 security IT 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 166 matching company records for security IT companies based in New York, United States, with 2,063 tracked contacts and 593 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 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 23 security IT 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 |  AGIOagio.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 200 contacts → |
“Agio is a hybrid cybersecurity and managed IT organization that combines predictive intelligence with human brilliance to empower clients with next-generation cyber protection and…” Recorded description excerpt · September 21, 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Gmsc Securitygmscsecurity.comHQ: New York, United StatesReported employees: 501-1,000 | New York, United States | 501-1,000 | Exact match | 82 contacts → |
“For over 30 years GMSC has been securing high profile buildings and offices across New York and Chicago.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Nopalcybernopalcyber.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 76 contacts → |
“NopalCyber makes cybersecurity manageable, affordable, reliable, and powerful for companies that need to be resilient and compliant.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Eretmis INCeretmis.comHQ: New York, NY, United StatesReported employees: Not recorded | New York, NY, United States | Not recorded | Exact match | 66 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  A&h Security Servicesaandhsecurity.comHQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 60 contacts → |
“A&H Security Services, is a certified NYC MBE security services provider who makes a difference in our community.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  White Wings Technologieswwcny.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 54 contacts → |
“White Wings Technologies is a forward-thinking IT solutions provider, specializing in cloud computing, cybersecurity, managed IT services, and strategic IT consulting.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  OSECosec.comHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 38 contacts → |
“We're the security consultants Fortune 500s call when they're in real trouble, the ones who find what others miss, who speak CEO and CISO fluently.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Zecurionzecurion.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 34 contacts → |
“Established in 2001, Zecurion has emerged as a worldwide authority in IT security solutions, safeguarding the interests of more than corporate clients spanning across 70+…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Gotham Digital Science, A Stroz Friedberg Companygdssecurity.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 21 contacts → |
“Gotham Digital Science (GDS) was acquired in 2016 by Stroz Friedberg, an Aon company.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  ACA Aponixacaglobal.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 19 contacts → |
“ACA Aponix, a division of ACA Group, provides cybersecurity and technology risk assessments, vendor and M&A diligence services, network testing, and advisory services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Unit 221bunit221b.comHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 16 contacts → |
“Unit 221B is a threat disruption company delivering actionable threat intelligence and cybersecurity solutions that enable enterprises, law enforcement, and government agencies to…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Smartit LLCsmartit.nycHQ: New York, NY, United StatesReported employees: 1-10 | New York, NY, United States | 1-10 | Exact match | 12 contacts → |
“smartIT provides top-notch, hassle-free, user-friendly, one-ticket resolution, reliable, on-site and remote IT and Infosec services to New York Metro businesses, organizations…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Silent Breachsilentbreach.comHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 12 contacts → |
“At Silent Breach, we think like a hacker and defend like a pro.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Analytica42analytica42.comHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 11 contacts → |
“Analytica42 isn’t just a service provider; we’re a trusted partner in your security operations.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 166 company matches
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Security IT companies: dataset insights
September 21, 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
166 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 166 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 21, 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 ↗
Security IT companies by metro in the United States
- Security IT companies in Houston117
- Security IT companies in Miami99
- Security IT companies in Austin97
- Security IT companies in Chicago97
- Security IT companies in Washington96
- Security IT companies in Atlanta92
- Security IT companies in Dallas92
- Security IT companies in Tampa77
- Security IT companies in San Francisco72
- Security IT companies in San Diego56
- Security IT companies in Los Angeles55
- Security IT companies in Arlington54
- Security IT companies in Denver51
- Security IT companies in Boston47
- Security IT companies in Columbia47
- Security IT companies in Charlotte45
- Security IT companies in Orlando44
- Security IT companies in Las Vegas43
- Security IT companies in San Antonio43
- Security IT companies in Phoenix41
- Security IT companies in Mclean37
- Security IT companies in Reston37
- Security IT companies in Alexandria36
- Security IT companies in Baltimore36
- Security IT companies in Huntsville33
- Security IT companies in Wilmington33
- Security IT companies in Seattle32
- Security IT companies in Fairfax31
- Security IT companies in San Jose31
- Security IT companies in Raleigh30
- Security IT companies in Fort Lauderdale28
- Security IT companies in Scottsdale27
- Security IT companies in Indianapolis26
- Security IT companies in Portland26
- Security IT companies in Ashburn25
- Security IT companies in Colorado Springs25
- Security IT companies in Dover25
- Security IT companies in Pittsburgh25
- Security IT companies in Plano25
Questions about this company list
What does Exact match mean for security IT 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 security IT companies did RevenueBase find based in New York, United States?
The saved snapshot records 166 matching company records, 2,063 tracked contacts and 593 verified emails. The public preview displays 23 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 21, 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
Security IT companies by geography
- Security IT companies based in Brisbane, Australia
- Security IT companies based in Canberra, Australia
- Security IT companies based in Melbourne, Australia
- Security IT companies based in Sydney, Australia
- Security IT companies based in Barueri, Brazil
- Security IT companies based in Belo Horizonte, Brazil
- Security IT companies based in Brasilia, Brazil
- Security IT companies based in Curitiba, Brazil
- Security IT companies based in Rio De Janeiro, Brazil
- Security IT companies based in Sao Paulo, Brazil
- Security IT companies based in Calgary, Canada
- Security IT companies based in Edmonton, Canada
Cite this list
RevenueBase Data Team. Top 23 security IT companies based in New York, United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/security-it-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
- Security IT companies based in Brisbane, Australia
- Security IT companies based in Canberra, Australia
- Security IT companies based in Melbourne, Australia
- Security IT companies based in Sydney, Australia
- Security IT companies based in Barueri, Brazil
- Security IT companies based in Belo Horizonte, Brazil
Company intelligence · public preview
Top 23 security IT companies based in New York, United States
RevenueBase records 166 matching company records for security IT companies based in New York, United States, with 2,063 tracked contacts and 593 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 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 23 security IT 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 | AGIOagio.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 200 contacts → |
“Agio is a hybrid cybersecurity and managed IT organization that combines predictive intelligence with human brilliance to empower clients with next-generation cyber protection and…” Recorded description excerpt · September 21, 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Gmsc Securitygmscsecurity.com HQ: New York, United StatesReported employees: 501-1,000 | New York, United States | 501-1,000 | Exact match | 82 contacts → |
“For over 30 years GMSC has been securing high profile buildings and offices across New York and Chicago.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Nopalcybernopalcyber.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 76 contacts → |
“NopalCyber makes cybersecurity manageable, affordable, reliable, and powerful for companies that need to be resilient and compliant.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Eretmis INCeretmis.com HQ: New York, NY, United StatesReported employees: Not recorded | New York, NY, United States | Not recorded | Exact match | 66 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | A&h Security Servicesaandhsecurity.com HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 60 contacts → |
“A&H Security Services, is a certified NYC MBE security services provider who makes a difference in our community.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | White Wings Technologieswwcny.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 54 contacts → |
“White Wings Technologies is a forward-thinking IT solutions provider, specializing in cloud computing, cybersecurity, managed IT services, and strategic IT consulting.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | OSECosec.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 38 contacts → |
“We're the security consultants Fortune 500s call when they're in real trouble, the ones who find what others miss, who speak CEO and CISO fluently.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Zecurionzecurion.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 34 contacts → |
“Established in 2001, Zecurion has emerged as a worldwide authority in IT security solutions, safeguarding the interests of more than corporate clients spanning across 70+…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Gotham Digital Science, A Stroz Friedberg Companygdssecurity.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 21 contacts → |
“Gotham Digital Science (GDS) was acquired in 2016 by Stroz Friedberg, an Aon company.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | ACA Aponixacaglobal.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 19 contacts → |
“ACA Aponix, a division of ACA Group, provides cybersecurity and technology risk assessments, vendor and M&A diligence services, network testing, and advisory services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Unit 221bunit221b.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 16 contacts → |
“Unit 221B is a threat disruption company delivering actionable threat intelligence and cybersecurity solutions that enable enterprises, law enforcement, and government agencies to…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Smartit LLCsmartit.nyc HQ: New York, NY, United StatesReported employees: 1-10 | New York, NY, United States | 1-10 | Exact match | 12 contacts → |
“smartIT provides top-notch, hassle-free, user-friendly, one-ticket resolution, reliable, on-site and remote IT and Infosec services to New York Metro businesses, organizations…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Silent Breachsilentbreach.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 12 contacts → |
“At Silent Breach, we think like a hacker and defend like a pro.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Analytica42analytica42.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 11 contacts → |
“Analytica42 isn’t just a service provider; we’re a trusted partner in your security operations.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 166 company matches
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Security IT companies: dataset insights
September 21, 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
166 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 166 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 21, 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 ↗
Security IT companies by metro in the United States
- Security IT companies in Houston117
- Security IT companies in Miami99
- Security IT companies in Austin97
- Security IT companies in Chicago97
- Security IT companies in Washington96
- Security IT companies in Atlanta92
- Security IT companies in Dallas92
- Security IT companies in Tampa77
- Security IT companies in San Francisco72
- Security IT companies in San Diego56
- Security IT companies in Los Angeles55
- Security IT companies in Arlington54
- Security IT companies in Denver51
- Security IT companies in Boston47
- Security IT companies in Columbia47
- Security IT companies in Charlotte45
- Security IT companies in Orlando44
- Security IT companies in Las Vegas43
- Security IT companies in San Antonio43
- Security IT companies in Phoenix41
- Security IT companies in Mclean37
- Security IT companies in Reston37
- Security IT companies in Alexandria36
- Security IT companies in Baltimore36
- Security IT companies in Huntsville33
- Security IT companies in Wilmington33
- Security IT companies in Seattle32
- Security IT companies in Fairfax31
- Security IT companies in San Jose31
- Security IT companies in Raleigh30
- Security IT companies in Fort Lauderdale28
- Security IT companies in Scottsdale27
- Security IT companies in Indianapolis26
- Security IT companies in Portland26
- Security IT companies in Ashburn25
- Security IT companies in Colorado Springs25
- Security IT companies in Dover25
- Security IT companies in Pittsburgh25
- Security IT companies in Plano25
Questions about this company list
What does Exact match mean for security IT 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 security IT companies did RevenueBase find based in New York, United States?
The saved snapshot records 166 matching company records, 2,063 tracked contacts and 593 verified emails. The public preview displays 23 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 21, 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
Security IT companies by geography
- Security IT companies based in Brisbane, Australia
- Security IT companies based in Canberra, Australia
- Security IT companies based in Melbourne, Australia
- Security IT companies based in Sydney, Australia
- Security IT companies based in Barueri, Brazil
- Security IT companies based in Belo Horizonte, Brazil
- Security IT companies based in Brasilia, Brazil
- Security IT companies based in Curitiba, Brazil
- Security IT companies based in Rio De Janeiro, Brazil
- Security IT companies based in Sao Paulo, Brazil
- Security IT companies based in Calgary, Canada
- Security IT companies based in Edmonton, Canada
Cite this list
RevenueBase Data Team. Top 23 security IT companies based in New York, United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/security-it-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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- Security IT companies based in Brisbane, Australia
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