Company lists · Data refreshed September 2026
Top 15 Tx cybersecurity companies based in San Francisco, United States
RevenueBase identified 42 company matches for tx cybersecurity companies associated with San Francisco, United States as of September 2026 and tracks 740 professional contacts across them, including 453 with verified work emails. Across the United States, New York is the largest hub for this category (96 companies); San Francisco has 42.
This list covers company matches for tx cybersecurity companies associated with San Francisco, 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 15 largest tx cybersecurity companies based in San Francisco, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 375 contacts → | ||||
Exact match “We protect the world’s critical infrastructure from cyber threats.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 211 contacts → | ||||
Exact match “Vehere is an AI cyber defense company operating at the intersection of national security and enterprise security.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 27 contacts → | ||||
Exact match “We specialize in Web Application and API penetration Testing, Cyber Threat Intelligence, and Detecting Account Takeovers (ATOs) from attackers.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 24 contacts → | ||||
Exact match “Sentant is a next-generation cybersecurity & IT services firm with a team of experienced technology professionals.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 10 contacts → | ||||
Exact match “At Securisea, we are trusted and proven experts in compliance and security.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 5 contacts → | ||||
Exact match “Fraud doesn’t break in.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 4 contacts → | ||||
Exact match “Dogpatch Solutions is a leading IT consulting firm that specializes in cybersecurity assessments, migrations, networking and cloud computing solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 4 contacts → | ||||
Exact match “Security Operations Center • Litigation Support • Forensic Lab Email: usdnlab@usdn.net Global Toll Free: 866.930.4312 Non-Emergency: PGP Key: usdnlab@usdn.net -BEGIN PGP PUBLIC…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 4 contacts → | ||||
Exact match “At XIVX Risk & Threat Intelligence, we help groups minimize risk, understand threats, and achieve compliance the right way: through functional and effective cybersecurity.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 3 contacts → | ||||
Exact match “With over two decades of experience in sensitive data management across hundreds of clients and installations, we at TekLeap understand the inherent weaknesses and threats in…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 3 contacts → | ||||
Exact match “SecureNexa is a global cybersecurity partner for small and mid-sized businesses.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 2 contacts → | ||||
Exact match “Defend against cyber criminals with engaging security awareness and social engineering prevention videos, training, talks and penetration testing.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 1 contacts → | ||||
Exact match “Fusion Security Solutions provides expert knowledge and methods, while delivering effective, efficient, and consistent security and managed services solutions for your business.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 1 contacts → | ||||
Exact match “D3 Networks specializes in meeting the information technology and cybersecurity needs of firms in the financial industry.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 1 contacts → | ||||
Exact match “Posturity’s managed cybersecurity technology governance service optimizes the spend, protection, compliance, and manageability of your stack.” 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 “tx cybersecurity companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 15 of 42 tx cybersecurity companies based in San Francisco, United States
See the full list, filter by size, metro and specialty, and access 453 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Tx cybersecurity companies based in San Francisco, 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 Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 42 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 Francisco, United States whose business descriptions match “tx cybersecurity companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 453 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.
Tx cybersecurity companies by metro in the United States
- Tx cybersecurity companies in New York96
- Tx cybersecurity companies in Washington75
- Tx cybersecurity companies in Atlanta66
- Tx cybersecurity companies in Austin66
- Tx cybersecurity companies in Dallas63
- Tx cybersecurity companies in Houston59
- Tx cybersecurity companies in Miami58
- Tx cybersecurity companies in Chicago56
- Tx cybersecurity companies in Tampa50
- Tx cybersecurity companies in Arlington42
- Tx cybersecurity companies in Columbia40
- Tx cybersecurity companies in Los Angeles38
- Tx cybersecurity companies in San Diego38
- Tx cybersecurity companies in Reston36
- Tx cybersecurity companies in San Antonio35
- Tx cybersecurity companies in Las Vegas34
- Tx cybersecurity companies in Denver31
- Tx cybersecurity companies in Baltimore29
- Tx cybersecurity companies in Boston29
- Tx cybersecurity companies in Charlotte29
- Tx cybersecurity companies in Orlando29
- Tx cybersecurity companies in Mclean28
- Tx cybersecurity companies in Alexandria25
- Tx cybersecurity companies in Huntsville25
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 “tx cybersecurity companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many tx cybersecurity companies are there based in San Francisco, United States?
RevenueBase identified 42 company matches for tx cybersecurity companies associated with San Francisco, 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?
Nozomi Networks 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 tx cybersecurity companies?
New York leads the United States with 96 company records, followed by Washington (75) and Atlanta (66). San Francisco has 42.
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 453 professional contacts with verified work emails tracked across these 42 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 42 tx cybersecurity companies based in San Francisco, United States. Start with a free account, no credit card.
Download this list →Related lists
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 15 tx cybersecurity companies based in San Francisco, 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 42 matching company records for tx cybersecurity companies based in San Francisco, United States, with 740 tracked contacts and 453 verified work emails.
This public preview shows 15 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 15 tx cybersecurity companies based in San Francisco, 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 |  Nozomi Networksnozominetworks.comHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 375 contacts → |
“We protect the world’s critical infrastructure from cyber threats.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Veherevehere.comHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 211 contacts → |
“Vehere is an AI cyber defense company operating at the intersection of national security and enterprise security.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Seworksse.worksHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 27 contacts → |
“We specialize in Web Application and API penetration Testing, Cyber Threat Intelligence, and Detecting Account Takeovers (ATOs) from attackers.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Sentantsentant.netHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 24 contacts → |
“Sentant is a next-generation cybersecurity & IT services firm with a team of experienced technology professionals.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Securiseasecurisea.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 10 contacts → |
“At Securisea, we are trusted and proven experts in compliance and security.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  909cyber909cyber.comHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 5 contacts → |
“Fraud doesn’t break in.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Dogpatch Solutions INCdogpatchsolutions.comHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 4 contacts → |
“Dogpatch Solutions is a leading IT consulting firm that specializes in cybersecurity assessments, migrations, networking and cloud computing solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Usdn INCusdn.netHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 4 contacts → |
“Security Operations Center • Litigation Support • Forensic Lab Email: usdnlab@usdn.net Global Toll Free: 866.930.4312 Non-Emergency: PGP Key: usdnlab@usdn.net -BEGIN PGP PUBLIC…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Xivx Risk & Threat Intelligencexivx.comHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 4 contacts → |
“At XIVX Risk & Threat Intelligence, we help groups minimize risk, understand threats, and achieve compliance the right way: through functional and effective cybersecurity.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Tekleaptekleap.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 3 contacts → |
“With over two decades of experience in sensitive data management across hundreds of clients and installations, we at TekLeap understand the inherent weaknesses and threats in…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Securenexasecurenexaglobal.comHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 3 contacts → |
“SecureNexa is a global cybersecurity partner for small and mid-sized businesses.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Socialproof Securitysocialproofsecurity.comHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 2 contacts → |
“Defend against cyber criminals with engaging security awareness and social engineering prevention videos, training, talks and penetration testing.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Fusion Security Solutions INCfusionsecuritysolutions.comHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 1 contacts → |
“Fusion Security Solutions provides expert knowledge and methods, while delivering effective, efficient, and consistent security and managed services solutions for your business.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  D3 Networksd3networks.netHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 1 contacts → |
“D3 Networks specializes in meeting the information technology and cybersecurity needs of firms in the financial industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Posturityposturity.ioHQ: San Francisco, United StatesReported employees: 1-10 | San Francisco, United States | 1-10 | Exact match | 1 contacts → |
“Posturity’s managed cybersecurity technology governance service optimizes the spend, protection, compliance, and manageability of your stack.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 15 of 42 company matches
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Tx cybersecurity 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
41 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United States list rather than for San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 42 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 ↗
Tx cybersecurity companies by metro in the United States
- Tx cybersecurity companies in New York96
- Tx cybersecurity companies in Washington75
- Tx cybersecurity companies in Atlanta66
- Tx cybersecurity companies in Austin66
- Tx cybersecurity companies in Dallas63
- Tx cybersecurity companies in Houston59
- Tx cybersecurity companies in Miami58
- Tx cybersecurity companies in Chicago56
- Tx cybersecurity companies in Tampa50
- Tx cybersecurity companies in Arlington42
- Tx cybersecurity companies in Columbia40
- Tx cybersecurity companies in Los Angeles38
- Tx cybersecurity companies in San Diego38
- Tx cybersecurity companies in Reston36
- Tx cybersecurity companies in San Antonio35
- Tx cybersecurity companies in Las Vegas34
- Tx cybersecurity companies in Denver31
- Tx cybersecurity companies in Baltimore29
- Tx cybersecurity companies in Boston29
- Tx cybersecurity companies in Charlotte29
- Tx cybersecurity companies in Orlando29
- Tx cybersecurity companies in Mclean28
- Tx cybersecurity companies in Alexandria25
- Tx cybersecurity companies in Huntsville25
Questions about this company list
What does Exact match mean for tx cybersecurity companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many tx cybersecurity companies did RevenueBase find based in San Francisco, United States?
The saved snapshot records 42 matching company records, 740 tracked contacts and 453 verified emails. The public preview displays 15 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
Tx cybersecurity companies by geography
- Tx cybersecurity companies based in Brisbane, Australia
- Tx cybersecurity companies based in Canberra, Australia
- Tx cybersecurity companies based in Melbourne, Australia
- Tx cybersecurity companies based in Sydney, Australia
- Tx cybersecurity companies based in Calgary, Canada
- Tx cybersecurity companies based in Montreal, Canada
- Tx cybersecurity companies based in Ottawa, Canada
- Tx cybersecurity companies based in Toronto, Canada
- Tx cybersecurity companies based in Vancouver, Canada
- Tx cybersecurity companies based in Ahmedabad, India
- Tx cybersecurity companies based in Bangalore, India
- Tx cybersecurity companies based in Chennai, India
Cite this list
RevenueBase Data Team. Top 15 tx cybersecurity companies based in San Francisco, United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/tx-cybersecurity-companies/united-states/san-francisco.
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
- Tx cybersecurity companies based in Brisbane, Australia
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Company intelligence · public preview
Top 15 tx cybersecurity companies based in San Francisco, United States
RevenueBase records 42 matching company records for tx cybersecurity companies based in San Francisco, United States, with 740 tracked contacts and 453 verified work emails.
This public preview shows 15 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 15 tx cybersecurity companies based in San Francisco, 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 | Nozomi Networksnozominetworks.com HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 375 contacts → |
“We protect the world’s critical infrastructure from cyber threats.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Veherevehere.com HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 211 contacts → |
“Vehere is an AI cyber defense company operating at the intersection of national security and enterprise security.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Seworksse.works HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 27 contacts → |
“We specialize in Web Application and API penetration Testing, Cyber Threat Intelligence, and Detecting Account Takeovers (ATOs) from attackers.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Sentantsentant.net HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 24 contacts → |
“Sentant is a next-generation cybersecurity & IT services firm with a team of experienced technology professionals.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Securiseasecurisea.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 10 contacts → |
“At Securisea, we are trusted and proven experts in compliance and security.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 909cyber909cyber.com HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 5 contacts → |
“Fraud doesn’t break in.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Dogpatch Solutions INCdogpatchsolutions.com HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 4 contacts → |
“Dogpatch Solutions is a leading IT consulting firm that specializes in cybersecurity assessments, migrations, networking and cloud computing solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Usdn INCusdn.net HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 4 contacts → |
“Security Operations Center • Litigation Support • Forensic Lab Email: usdnlab@usdn.net Global Toll Free: 866.930.4312 Non-Emergency: PGP Key: usdnlab@usdn.net -BEGIN PGP PUBLIC…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Xivx Risk & Threat Intelligencexivx.com HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 4 contacts → |
“At XIVX Risk & Threat Intelligence, we help groups minimize risk, understand threats, and achieve compliance the right way: through functional and effective cybersecurity.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Tekleaptekleap.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 3 contacts → |
“With over two decades of experience in sensitive data management across hundreds of clients and installations, we at TekLeap understand the inherent weaknesses and threats in…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Securenexasecurenexaglobal.com HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 3 contacts → |
“SecureNexa is a global cybersecurity partner for small and mid-sized businesses.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Socialproof Securitysocialproofsecurity.com HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 2 contacts → |
“Defend against cyber criminals with engaging security awareness and social engineering prevention videos, training, talks and penetration testing.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Fusion Security Solutions INCfusionsecuritysolutions.com HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 1 contacts → |
“Fusion Security Solutions provides expert knowledge and methods, while delivering effective, efficient, and consistent security and managed services solutions for your business.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | D3 Networksd3networks.net HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 1 contacts → |
“D3 Networks specializes in meeting the information technology and cybersecurity needs of firms in the financial industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Posturityposturity.io HQ: San Francisco, United StatesReported employees: 1-10 | San Francisco, United States | 1-10 | Exact match | 1 contacts → |
“Posturity’s managed cybersecurity technology governance service optimizes the spend, protection, compliance, and manageability of your stack.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Tx cybersecurity 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
41 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United States list rather than for San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 42 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 ↗
Tx cybersecurity companies by metro in the United States
- Tx cybersecurity companies in New York96
- Tx cybersecurity companies in Washington75
- Tx cybersecurity companies in Atlanta66
- Tx cybersecurity companies in Austin66
- Tx cybersecurity companies in Dallas63
- Tx cybersecurity companies in Houston59
- Tx cybersecurity companies in Miami58
- Tx cybersecurity companies in Chicago56
- Tx cybersecurity companies in Tampa50
- Tx cybersecurity companies in Arlington42
- Tx cybersecurity companies in Columbia40
- Tx cybersecurity companies in Los Angeles38
- Tx cybersecurity companies in San Diego38
- Tx cybersecurity companies in Reston36
- Tx cybersecurity companies in San Antonio35
- Tx cybersecurity companies in Las Vegas34
- Tx cybersecurity companies in Denver31
- Tx cybersecurity companies in Baltimore29
- Tx cybersecurity companies in Boston29
- Tx cybersecurity companies in Charlotte29
- Tx cybersecurity companies in Orlando29
- Tx cybersecurity companies in Mclean28
- Tx cybersecurity companies in Alexandria25
- Tx cybersecurity companies in Huntsville25
Questions about this company list
What does Exact match mean for tx cybersecurity companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many tx cybersecurity companies did RevenueBase find based in San Francisco, United States?
The saved snapshot records 42 matching company records, 740 tracked contacts and 453 verified emails. The public preview displays 15 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.
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Cite this list
RevenueBase Data Team. Top 15 tx cybersecurity companies based in San Francisco, United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/tx-cybersecurity-companies/united-states/san-francisco.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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