Company lists · Data refreshed October 2026
Top 25 Internet security software companies based in the United States
RevenueBase identified 112 company matches for internet security software companies associated with the United States as of October 2026 and tracks 7,926 professional contacts across them, including 1,786 with verified work emails. Austin is the largest hub.
This list covers company matches for internet security software companies associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 19, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest internet security software companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 5,031 contacts → | ||||
Exact match “We’re creating what’s next in online protection.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 2 | 733 contacts → | ||||
Exact match “NortonLifeLock and Avast merged in 2022 and are now Gen™ (NASDAQ: GEN)- a global company dedicated to powering Digital Freedom through its trusted Cyber Safety brands.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 3 | 577 contacts → | ||||
Exact match “Malwarebytes is reimagining security to safeguard devices, data, and people, no matter their location, lifestyle or means.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 4 | 189 contacts → | ||||
Exact match “For more than 30 years we have been here helping to watch over and protect progress.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 5 | 141 contacts → | ||||
Exact match “eSoft is a leader in providing Simply Better Network Security™ to businesses of nearly any size.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 6 | 72 contacts → | ||||
Exact match “PC Matic was founded in by Rob Cheng and Dave Methvin with the sole purpose of creating a better way to diagnose common computer problems.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 7 | 41 contacts → | ||||
Exact match “ThreatTrack Security is the creator of VIPRE anti-malware products.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 8 | 41 contacts → | ||||
Exact match “Intego is the leader in Mac security, protecting Mac users from the dangers of the Internet since 1997.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 9 | 34 contacts → | ||||
Exact match “qikfox Cybersecurity Systems aims to design and develop tools to make the next-generation Internet safe and private for the consumers and businesses alike.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 10 | 28 contacts → | ||||
Exact match “Network Consulting Services, inc.(NCSi) is a global IT Security and Storage company based in Salt Lake City, Utah.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 11 | 25 contacts → | ||||
Exact match “Finjan Holdings (NASDAQ:FNJN), founded in 1996, is a technology company committed to enabling innovation.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 12 | 18 contacts → | ||||
Exact match “About Syba Syba is your smart, silent cyber-bodyguard, protecting you, your family, and your business from the digital threats of everyday life.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 13 | 15 contacts → | ||||
Exact match “Total Defense provides powerful protection from evolving online threats.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 14 | 14 contacts → | ||||
Exact match “ShieldApps is a software development company dedicated to helping corporates and home users enhance their PC security and privacy, utilizing proprietary top notch technologies.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 15 | 11 contacts → | ||||
Exact match “Invincea is the #1 performing next-gen antivirus security company in the industry.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 16 | 9 contacts → | ||||
Exact match “Founded in Infinity Services Inc.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 17 | 7 contacts → | ||||
Exact match “Introducing Cyber Grant, a cutting-edge cybersecurity software company that provides cybersecurity to everyone.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “MalwareFox is advanced, yet simple-to-use anti-malware solution for Windows computers.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “ASI Security Partners, a leading network and internet security company, delivers a comprehensive set of best-of-breed solutions that help customers protect their critical…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “CybX is a cybersecurity innovation and development company led by a veteran team with varied experience in enterprise security system design, development, and deployment.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “Today’s borderless networks are redefining endpoint protection.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “Founded 1988, CyberSoft took the industry by storm with the VFind UNIX antivirus product.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “OnSystem Logic is a fast-growing security software start-up in the greater Washington, DC metropolitan area.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “Trusted Knight protects digital business for organizations around the world.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “At APQOR, our team is working to help the digital world to be a freer, fairer and safer place through the technology of Artificial Intelligence and Machine Learning.” Recorded in the RevenueBase company graph · Oct 19, 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 “internet security software companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 112 internet security software companies based in the United States
See the full list, filter by size, metro and specialty, and access 1,786 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Internet security software companies based in the United States at a glance
As of Oct 19, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 112 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “internet security software 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 1,786 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 October 19, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “internet security software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many internet security software companies are there based in the United States?
RevenueBase identified 112 company matches for internet security software companies associated with the United States as of October 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?
Mcafee tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most internet security software companies?
Austin leads with 5 company records, followed by New York (4) and Miami (3).
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 1,786 professional contacts with verified work emails tracked across these 112 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 October 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 112 internet security software companies based in the United States. Start with a free account, no credit card.
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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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- AI companies based in the United States
- Cybersecurity companies based in the United States
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Company intelligence · public preview
Top 25 internet security software companies based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 112 matching company records for internet security software companies based in the United States, with 7,926 tracked contacts and 1,786 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 internet security software companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Mcafeemcafee.comHQ: San Jose, CA, United StatesReported employees: 1,001-5,000 | San Jose, CA, United States | 1,001-5,000 | Exact match | 5,031 contacts → |
“We’re creating what’s next in online protection.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Nortonlifelockgendigital.comHQ: Tempe, AZ, United StatesReported employees: Not recorded | Tempe, AZ, United States | Not recorded | Exact match | 733 contacts → |
“NortonLifeLock and Avast merged in 2022 and are now Gen™ (NASDAQ: GEN)- a global company dedicated to powering Digital Freedom through its trusted Cyber Safety brands.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Malwarebytesmalwarebytes.comHQ: Santa Clara, CA, United StatesReported employees: 501-1,000 | Santa Clara, CA, United States | 501-1,000 | Exact match | 577 contacts → |
“Malwarebytes is reimagining security to safeguard devices, data, and people, no matter their location, lifestyle or means.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Eset North Americaeset.comHQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 189 contacts → |
“For more than 30 years we have been here helping to watch over and protect progress.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ESOFTesoft.comHQ: Broomfield, CO, United StatesReported employees: 51-200 | Broomfield, CO, United States | 51-200 | Exact match | 141 contacts → |
“eSoft is a leader in providing Simply Better Network Security™ to businesses of nearly any size.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  PC Maticpcmatic.comHQ: Sioux City, IA, United StatesReported employees: 51-200 | Sioux City, IA, United States | 51-200 | Exact match | 72 contacts → |
“PC Matic was founded in by Rob Cheng and Dave Methvin with the sole purpose of creating a better way to diagnose common computer problems.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Threattrack Securityvipre.comHQ: Clearwater, FL, United StatesReported employees: 51-200 | Clearwater, FL, United States | 51-200 | Exact match | 41 contacts → |
“ThreatTrack Security is the creator of VIPRE anti-malware products.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Integointego.comHQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 41 contacts → |
“Intego is the leader in Mac security, protecting Mac users from the dangers of the Internet since 1997.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Qikfox Cybersecurity Systemsqikfox.com HQ: San Mateo, CA, United StatesReported employees: Not recorded | San Mateo, CA, United States | Not recorded | Exact match | 34 contacts → |
“qikfox Cybersecurity Systems aims to design and develop tools to make the next-generation Internet safe and private for the consumers and businesses alike.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Bountiful, UT, United StatesReported employees: 51-200 | Bountiful, UT, United States | 51-200 | Exact match | 28 contacts → |
“Network Consulting Services, inc.(NCSi) is a global IT Security and Storage company based in Salt Lake City, Utah.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Finjan Holdingsfinjan.comHQ: East Palo Alto, CA, United StatesReported employees: 11-50 | East Palo Alto, CA, United States | 11-50 | Exact match | 25 contacts → |
“Finjan Holdings (NASDAQ:FNJN), founded in 1996, is a technology company committed to enabling innovation.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  SYBAsyba.ioHQ: Atlanta, GA, United StatesReported employees: 51-200 | Atlanta, GA, United States | 51-200 | Exact match | 18 contacts → |
“About Syba Syba is your smart, silent cyber-bodyguard, protecting you, your family, and your business from the digital threats of everyday life.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Total Defensetotaldefense.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 15 contacts → |
“Total Defense provides powerful protection from evolving online threats.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Shieldappsshieldapps.comHQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 14 contacts → |
“ShieldApps is a software development company dedicated to helping corporates and home users enhance their PC security and privacy, utilizing proprietary top notch technologies.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Invincea, INCinvincea.comHQ: Fairfax, VA, United StatesReported employees: 51-200 | Fairfax, VA, United States | 51-200 | Exact match | 11 contacts → |
“Invincea is the #1 performing next-gen antivirus security company in the industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Infinity Services INCinfinity-services.com HQ: Somerset, NJ, United StatesReported employees: 11-50 | Somerset, NJ, United States | 11-50 | Exact match | 9 contacts → |
“Founded in Infinity Services Inc.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Cybergrant INCcybergrant.netHQ: Menlo Park, CA, United StatesReported employees: 11-50 | Menlo Park, CA, United States | 11-50 | Exact match | 7 contacts → |
“Introducing Cyber Grant, a cutting-edge cybersecurity software company that provides cybersecurity to everyone.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Malwarefoxmalwarefox.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 5 contacts → |
“MalwareFox is advanced, yet simple-to-use anti-malware solution for Windows computers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  ASI Security Partnersasi-securitypartners.comHQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 4 contacts → |
“ASI Security Partners, a leading network and internet security company, delivers a comprehensive set of best-of-breed solutions that help customers protect their critical…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Cybxsecurity LLCcybxsecurity.comHQ: Mckeesport, PA, United StatesReported employees: 1-10 | Mckeesport, PA, United States | 1-10 | Exact match | 4 contacts → |
“CybX is a cybersecurity innovation and development company led by a veteran team with varied experience in enterprise security system design, development, and deployment.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Fortify 24x7fortify24x7.comHQ: Point Roberts, WA, United StatesReported employees: 11-50 | Point Roberts, WA, United States | 11-50 | Exact match | 4 contacts → |
“Today’s borderless networks are redefining endpoint protection.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Cybersoft Operating Corporationcybersoft.comHQ: Conshohocken, PA, United StatesReported employees: 1-10 | Conshohocken, PA, United States | 1-10 | Exact match | 3 contacts → |
“Founded 1988, CyberSoft took the industry by storm with the VFind UNIX antivirus product.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Onsystem Logiconsystemlogic.com HQ: Catonsville, MD, United StatesReported employees: 11-50 | Catonsville, MD, United States | 11-50 | Exact match | 3 contacts → |
“OnSystem Logic is a fast-growing security software start-up in the greater Washington, DC metropolitan area.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Trusted Knight Corporationtrustedknight.comHQ: Annapolis, MD, United StatesReported employees: 11-50 | Annapolis, MD, United States | 11-50 | Exact match | 3 contacts → |
“Trusted Knight protects digital business for organizations around the world.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Apqor Technologiesapqor.tech HQ: NV, United StatesReported employees: 11-50 | NV, United States | 11-50 | Exact match | 3 contacts → |
“At APQOR, our team is working to help the digital world to be a freer, fairer and safer place through the technology of Artificial Intelligence and Machine Learning.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 112 company matches
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Internet security software companies: dataset insights
October 19, 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
111 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 112 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: October 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for internet security software 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 internet security software companies did RevenueBase find based in the United States?
The saved snapshot records 112 matching company records, 7,926 tracked contacts and 1,786 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 19, 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
Cite this list
RevenueBase Data Team. Top 25 internet security software companies based in the United States. Snapshot: October 19, 2026. https://revenuebase.ai/companies/internet-security-software-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States
Company intelligence · public preview
Top 25 internet security software companies based in the United States
RevenueBase records 112 matching company records for internet security software companies based in the United States, with 7,926 tracked contacts and 1,786 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 internet security software companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Mcafeemcafee.com HQ: San Jose, CA, United StatesReported employees: 1,001-5,000 | San Jose, CA, United States | 1,001-5,000 | Exact match | 5,031 contacts → |
“We’re creating what’s next in online protection.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Nortonlifelockgendigital.com HQ: Tempe, AZ, United StatesReported employees: Not recorded | Tempe, AZ, United States | Not recorded | Exact match | 733 contacts → |
“NortonLifeLock and Avast merged in 2022 and are now Gen™ (NASDAQ: GEN)- a global company dedicated to powering Digital Freedom through its trusted Cyber Safety brands.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Malwarebytesmalwarebytes.com HQ: Santa Clara, CA, United StatesReported employees: 501-1,000 | Santa Clara, CA, United States | 501-1,000 | Exact match | 577 contacts → |
“Malwarebytes is reimagining security to safeguard devices, data, and people, no matter their location, lifestyle or means.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Eset North Americaeset.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 189 contacts → |
“For more than 30 years we have been here helping to watch over and protect progress.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ESOFTesoft.com HQ: Broomfield, CO, United StatesReported employees: 51-200 | Broomfield, CO, United States | 51-200 | Exact match | 141 contacts → |
“eSoft is a leader in providing Simply Better Network Security™ to businesses of nearly any size.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | PC Maticpcmatic.com HQ: Sioux City, IA, United StatesReported employees: 51-200 | Sioux City, IA, United States | 51-200 | Exact match | 72 contacts → |
“PC Matic was founded in by Rob Cheng and Dave Methvin with the sole purpose of creating a better way to diagnose common computer problems.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Threattrack Securityvipre.com HQ: Clearwater, FL, United StatesReported employees: 51-200 | Clearwater, FL, United States | 51-200 | Exact match | 41 contacts → |
“ThreatTrack Security is the creator of VIPRE anti-malware products.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Integointego.com HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 41 contacts → |
“Intego is the leader in Mac security, protecting Mac users from the dangers of the Internet since 1997.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Qikfox Cybersecurity Systemsqikfox.com HQ: San Mateo, CA, United StatesReported employees: Not recorded | San Mateo, CA, United States | Not recorded | Exact match | 34 contacts → |
“qikfox Cybersecurity Systems aims to design and develop tools to make the next-generation Internet safe and private for the consumers and businesses alike.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Bountiful, UT, United StatesReported employees: 51-200 | Bountiful, UT, United States | 51-200 | Exact match | 28 contacts → |
“Network Consulting Services, inc.(NCSi) is a global IT Security and Storage company based in Salt Lake City, Utah.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Finjan Holdingsfinjan.com HQ: East Palo Alto, CA, United StatesReported employees: 11-50 | East Palo Alto, CA, United States | 11-50 | Exact match | 25 contacts → |
“Finjan Holdings (NASDAQ:FNJN), founded in 1996, is a technology company committed to enabling innovation.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | SYBAsyba.io HQ: Atlanta, GA, United StatesReported employees: 51-200 | Atlanta, GA, United States | 51-200 | Exact match | 18 contacts → |
“About Syba Syba is your smart, silent cyber-bodyguard, protecting you, your family, and your business from the digital threats of everyday life.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Total Defensetotaldefense.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 15 contacts → |
“Total Defense provides powerful protection from evolving online threats.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Shieldappsshieldapps.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 14 contacts → |
“ShieldApps is a software development company dedicated to helping corporates and home users enhance their PC security and privacy, utilizing proprietary top notch technologies.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Invincea, INCinvincea.com HQ: Fairfax, VA, United StatesReported employees: 51-200 | Fairfax, VA, United States | 51-200 | Exact match | 11 contacts → |
“Invincea is the #1 performing next-gen antivirus security company in the industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Infinity Services INCinfinity-services.com HQ: Somerset, NJ, United StatesReported employees: 11-50 | Somerset, NJ, United States | 11-50 | Exact match | 9 contacts → |
“Founded in Infinity Services Inc.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Cybergrant INCcybergrant.net HQ: Menlo Park, CA, United StatesReported employees: 11-50 | Menlo Park, CA, United States | 11-50 | Exact match | 7 contacts → |
“Introducing Cyber Grant, a cutting-edge cybersecurity software company that provides cybersecurity to everyone.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Malwarefoxmalwarefox.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 5 contacts → |
“MalwareFox is advanced, yet simple-to-use anti-malware solution for Windows computers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | ASI Security Partnersasi-securitypartners.com HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 4 contacts → |
“ASI Security Partners, a leading network and internet security company, delivers a comprehensive set of best-of-breed solutions that help customers protect their critical…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Cybxsecurity LLCcybxsecurity.com HQ: Mckeesport, PA, United StatesReported employees: 1-10 | Mckeesport, PA, United States | 1-10 | Exact match | 4 contacts → |
“CybX is a cybersecurity innovation and development company led by a veteran team with varied experience in enterprise security system design, development, and deployment.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Fortify 24x7fortify24x7.com HQ: Point Roberts, WA, United StatesReported employees: 11-50 | Point Roberts, WA, United States | 11-50 | Exact match | 4 contacts → |
“Today’s borderless networks are redefining endpoint protection.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Cybersoft Operating Corporationcybersoft.com HQ: Conshohocken, PA, United StatesReported employees: 1-10 | Conshohocken, PA, United States | 1-10 | Exact match | 3 contacts → |
“Founded 1988, CyberSoft took the industry by storm with the VFind UNIX antivirus product.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Onsystem Logiconsystemlogic.com HQ: Catonsville, MD, United StatesReported employees: 11-50 | Catonsville, MD, United States | 11-50 | Exact match | 3 contacts → |
“OnSystem Logic is a fast-growing security software start-up in the greater Washington, DC metropolitan area.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Trusted Knight Corporationtrustedknight.com HQ: Annapolis, MD, United StatesReported employees: 11-50 | Annapolis, MD, United States | 11-50 | Exact match | 3 contacts → |
“Trusted Knight protects digital business for organizations around the world.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Apqor Technologiesapqor.tech HQ: NV, United StatesReported employees: 11-50 | NV, United States | 11-50 | Exact match | 3 contacts → |
“At APQOR, our team is working to help the digital world to be a freer, fairer and safer place through the technology of Artificial Intelligence and Machine Learning.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 112 company matches
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Internet security software companies: dataset insights
October 19, 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
111 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 112 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: October 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for internet security software 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 internet security software companies did RevenueBase find based in the United States?
The saved snapshot records 112 matching company records, 7,926 tracked contacts and 1,786 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 19, 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
Cite this list
RevenueBase Data Team. Top 25 internet security software companies based in the United States. Snapshot: October 19, 2026. https://revenuebase.ai/companies/internet-security-software-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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