Company lists · Data refreshed September 2026
Top 18 Security IT companies based in San Jose, United States
RevenueBase identified 31 company matches for security IT companies associated with San Jose, United States as of September 2026 and tracks 13,217 professional contacts across them, including 1,832 with verified work emails. Across the United States, New York is the largest hub for this category (166 companies); San Jose has 31.
This list covers company matches for security IT companies associated with San Jose, 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 18 largest security IT companies based in San Jose, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 11,169 contacts → | ||||
Exact match “Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 889 contacts → | ||||
Exact match “Netenrich is redefining security operations by shifting the focus from "efficiency"(speed) to "efficacy"(comprehensive coverage).” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 651 contacts → | ||||
Exact match “Vectra AI is the cybersecurity AI leader in protecting modern networks from modern attacks.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 172 contacts → | ||||
Exact match “Catalyst is a digital consulting firm headquartered in Silicon Valley, with operations in over 15 countries across EMEA.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 98 contacts → | ||||
Exact match “There are plenty of security service providers that can send a well-trained security guard to your office complex.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 44 contacts → | ||||
Exact match “Building an effective cyber security program from scratch is time consuming and expensive.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 43 contacts → | ||||
Exact match “SecqureOne (SQ1) is a Silicon Valley based end-to-end cyber security and compliance solution provider serving businesses globally over the last 17 years.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 19 contacts → | ||||
Exact match “Link11 and Reblaze have united to provide comprehensive, enterprise-grade cybersecurity solutions, making the Internet safer for businesses of all sizes.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 18 contacts → | ||||
Exact match “At Bravo Consulting, we believe that cybersecurity doesn’t have to be complicated.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 15 contacts → | ||||
Exact match “Sonitrol, Pacific West Security, has more than forty years of success providing verified electronic security solutions for Northern California and Utah businesses.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 14 contacts → | ||||
Exact match “WHO WE ARE An IT Network Consulting company specializing in network security, network design, implementation and support for Data, Wireless, and Voice networks.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 11 contacts → | ||||
Exact match “ITque is a leading Managed IT Security & Services Provider specializing in network and data security.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 10 contacts → | ||||
Exact match “Cloud 1 Solutions provides Managed IT and Security Services for your organization.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “Aclarity Systems is a San Francisco IT company offering remote video monitoring solutions along with armed security patrol (through the SF Patrol Special).” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 7 contacts → | ||||
Exact match “Businesses of every size, in every industry, are increasingly dependent on technology.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 5 contacts → | ||||
Exact match “Guarded Cyber is a Veteran Owned Managed Cybersecurity Services Provider that offers more than just technical expertise; we provide peace of mind.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 4 contacts → | ||||
Exact match “WHAT WE DO We Provide a Comprehensive CYBER SECURITY SOLUTIONS AND CONSULTING SERVICES that Protect organizations information assets against a range of cyber threats & Mitigate…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “Digital Transformation is all about making Company competent enough so that it can en-cash all the digital Moments that come while doing Business.” 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 18 of 31 security IT companies based in San Jose, United States
See the full list, filter by size, metro and specialty, and access 1,832 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Security IT companies based in San Jose, 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 San Jose, so it is reported there. Company counts and contact totals on this page are exact for San Jose, over 31 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 San Jose, 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 1,832 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 New York166
- 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 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 San Jose, United States?
RevenueBase identified 31 company matches for security IT companies associated with San Jose, 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?
Symantec 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). San Jose has 31.
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,832 professional contacts with verified work emails tracked across these 31 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 31 security IT companies based in San Jose, 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
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- 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 18 security IT companies based in San Jose, 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 31 matching company records for security IT companies based in San Jose, United States, with 13,217 tracked contacts and 1,832 verified work emails.
This public preview shows 18 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 18 security IT companies based in San Jose, 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 |  Symantecbroadcom.comHQ: San Jose, CA, United StatesReported employees: 10001+ | San Jose, CA, United States | 10001+ | Exact match | 11,169 contacts → |
“Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Netenrichnetenrich.comHQ: San Jose, CA, United StatesReported employees: 501-1,000 | San Jose, CA, United States | 501-1,000 | Exact match | 889 contacts → |
“Netenrich is redefining security operations by shifting the focus from "efficiency"(speed) to "efficacy"(comprehensive coverage).” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Vectra AIvectra.aiHQ: San Jose, CA, United StatesReported employees: 501-1,000 | San Jose, CA, United States | 501-1,000 | Exact match | 651 contacts → |
“Vectra AI is the cybersecurity AI leader in protecting modern networks from modern attacks.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Catalyst Business Partnerscatalyst-us.comHQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 172 contacts → |
“Catalyst is a digital consulting firm headquartered in Silicon Valley, with operations in over 15 countries across EMEA.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Creative Security Companycreativesecurity.comHQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 98 contacts → |
“There are plenty of security service providers that can send a well-trained security guard to your office complex.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Armature Systemsarmaturesystems.comHQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 44 contacts → |
“Building an effective cyber security program from scratch is time consuming and expensive.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Secqureonesecqureone.comHQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 43 contacts → |
“SecqureOne (SQ1) is a Silicon Valley based end-to-end cyber security and compliance solution provider serving businesses globally over the last 17 years.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Reblaze Part Of Link11link11.comHQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 19 contacts → |
“Link11 and Reblaze have united to provide comprehensive, enterprise-grade cybersecurity solutions, making the Internet safer for businesses of all sizes.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Bravo Consultingbravoconsulting.netHQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 18 contacts → |
“At Bravo Consulting, we believe that cybersecurity doesn’t have to be complicated.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Sonitrol Pacific West Security Silicon Valley & Utahsonitrolsv.comHQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 15 contacts → |
“Sonitrol, Pacific West Security, has more than forty years of success providing verified electronic security solutions for Northern California and Utah businesses.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Accend Networksaccendnetworks.comHQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 14 contacts → |
“WHO WE ARE An IT Network Consulting company specializing in network security, network design, implementation and support for Data, Wireless, and Voice networks.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  ITQUEitque.netHQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 11 contacts → |
“ITque is a leading Managed IT Security & Services Provider specializing in network and data security.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Cloud 1 Solutions, INCcloud1solutions.comHQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 10 contacts → |
“Cloud 1 Solutions provides Managed IT and Security Services for your organization.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Aclarity Systemsaclaritysystems.comHQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 8 contacts → |
“Aclarity Systems is a San Francisco IT company offering remote video monitoring solutions along with armed security patrol (through the SF Patrol Special).” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Esudo Technology Solutionsesudo.comHQ: San Jose, CA, United StatesReported employees: 1-10 | San Jose, CA, United States | 1-10 | Exact match | 7 contacts → |
“Businesses of every size, in every industry, are increasingly dependent on technology.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Guarded Cyberguarded.coHQ: San Jose, CA, United StatesReported employees: 1-10 | San Jose, CA, United States | 1-10 | Exact match | 5 contacts → |
“Guarded Cyber is a Veteran Owned Managed Cybersecurity Services Provider that offers more than just technical expertise; we provide peace of mind.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Infoguard Cyber Securityinfoguardsecurity.comHQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 4 contacts → |
“WHAT WE DO We Provide a Comprehensive CYBER SECURITY SOLUTIONS AND CONSULTING SERVICES that Protect organizations information assets against a range of cyber threats & Mitigate…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Doyengc-Apondoyengc.comHQ: San Jose, CA, United StatesReported employees: 1-10 | San Jose, CA, United States | 1-10 | Exact match | 2 contacts → |
“Digital Transformation is all about making Company competent enough so that it can en-cash all the digital Moments that come while doing Business.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 18 of 31 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
31 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 San Jose, so it is reported there. Company counts and contact totals on this page are exact for San Jose, over 31 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 New York166
- 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 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 San Jose, United States?
The saved snapshot records 31 matching company records, 13,217 tracked contacts and 1,832 verified emails. The public preview displays 18 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 18 security IT companies based in San Jose, United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/security-it-companies/united-states/san-jose.
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 18 security IT companies based in San Jose, United States
RevenueBase records 31 matching company records for security IT companies based in San Jose, United States, with 13,217 tracked contacts and 1,832 verified work emails.
This public preview shows 18 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 18 security IT companies based in San Jose, 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 | Symantecbroadcom.com HQ: San Jose, CA, United StatesReported employees: 10001+ | San Jose, CA, United States | 10001+ | Exact match | 11,169 contacts → |
“Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Netenrichnetenrich.com HQ: San Jose, CA, United StatesReported employees: 501-1,000 | San Jose, CA, United States | 501-1,000 | Exact match | 889 contacts → |
“Netenrich is redefining security operations by shifting the focus from "efficiency"(speed) to "efficacy"(comprehensive coverage).” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Vectra AIvectra.ai HQ: San Jose, CA, United StatesReported employees: 501-1,000 | San Jose, CA, United States | 501-1,000 | Exact match | 651 contacts → |
“Vectra AI is the cybersecurity AI leader in protecting modern networks from modern attacks.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Catalyst Business Partnerscatalyst-us.com HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 172 contacts → |
“Catalyst is a digital consulting firm headquartered in Silicon Valley, with operations in over 15 countries across EMEA.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Creative Security Companycreativesecurity.com HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 98 contacts → |
“There are plenty of security service providers that can send a well-trained security guard to your office complex.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Armature Systemsarmaturesystems.com HQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 44 contacts → |
“Building an effective cyber security program from scratch is time consuming and expensive.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Secqureonesecqureone.com HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 43 contacts → |
“SecqureOne (SQ1) is a Silicon Valley based end-to-end cyber security and compliance solution provider serving businesses globally over the last 17 years.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Reblaze Part Of Link11link11.com HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 19 contacts → |
“Link11 and Reblaze have united to provide comprehensive, enterprise-grade cybersecurity solutions, making the Internet safer for businesses of all sizes.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Bravo Consultingbravoconsulting.net HQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 18 contacts → |
“At Bravo Consulting, we believe that cybersecurity doesn’t have to be complicated.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sonitrol Pacific West Security Silicon Valley & Utahsonitrolsv.com HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 15 contacts → |
“Sonitrol, Pacific West Security, has more than forty years of success providing verified electronic security solutions for Northern California and Utah businesses.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Accend Networksaccendnetworks.com HQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 14 contacts → |
“WHO WE ARE An IT Network Consulting company specializing in network security, network design, implementation and support for Data, Wireless, and Voice networks.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | ITQUEitque.net HQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 11 contacts → |
“ITque is a leading Managed IT Security & Services Provider specializing in network and data security.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Cloud 1 Solutions, INCcloud1solutions.com HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 10 contacts → |
“Cloud 1 Solutions provides Managed IT and Security Services for your organization.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Aclarity Systemsaclaritysystems.com HQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 8 contacts → |
“Aclarity Systems is a San Francisco IT company offering remote video monitoring solutions along with armed security patrol (through the SF Patrol Special).” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Esudo Technology Solutionsesudo.com HQ: San Jose, CA, United StatesReported employees: 1-10 | San Jose, CA, United States | 1-10 | Exact match | 7 contacts → |
“Businesses of every size, in every industry, are increasingly dependent on technology.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Guarded Cyberguarded.co HQ: San Jose, CA, United StatesReported employees: 1-10 | San Jose, CA, United States | 1-10 | Exact match | 5 contacts → |
“Guarded Cyber is a Veteran Owned Managed Cybersecurity Services Provider that offers more than just technical expertise; we provide peace of mind.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Infoguard Cyber Securityinfoguardsecurity.com HQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 4 contacts → |
“WHAT WE DO We Provide a Comprehensive CYBER SECURITY SOLUTIONS AND CONSULTING SERVICES that Protect organizations information assets against a range of cyber threats & Mitigate…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Doyengc-Apondoyengc.com HQ: San Jose, CA, United StatesReported employees: 1-10 | San Jose, CA, United States | 1-10 | Exact match | 2 contacts → |
“Digital Transformation is all about making Company competent enough so that it can en-cash all the digital Moments that come while doing Business.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 18 of 31 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
31 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 San Jose, so it is reported there. Company counts and contact totals on this page are exact for San Jose, over 31 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 New York166
- 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 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 San Jose, United States?
The saved snapshot records 31 matching company records, 13,217 tracked contacts and 1,832 verified emails. The public preview displays 18 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 18 security IT companies based in San Jose, United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/security-it-companies/united-states/san-jose.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- Security IT companies based in Brisbane, Australia
- Security IT companies based in Canberra, Australia
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- Security IT companies based in Sydney, Australia
- Security IT companies based in Barueri, Brazil
- Security IT companies based in Belo Horizonte, Brazil