Company lists · Data refreshed August 2026
Top 25 Computer security companies based in the United States
RevenueBase identified 1,193 company matches for computer security companies associated with the United States as of August 2026 and tracks 55,772 professional contacts across them, including 21,487 with verified work emails and 13,287 with mobile numbers. New York is the largest hub.
This list covers company matches for computer security 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 August 31, 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 computer security companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 11,179 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 · Aug 31, 2026 · View company records in RevenueBase | |||||
| 2 | 3,566 contacts → | ||||
Exact match “We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 3 | 3,046 contacts → | ||||
Exact match “SentinelOne is the world's leading AI-powered cybersecurity platform.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 4 | 2,141 contacts → | ||||
Exact match “Bitdefender is a cybersecurity leader delivering best-in-class threat prevention, detection, and response solutions worldwide.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 5 | 2,108 contacts → | ||||
Exact match “Barracuda is a leading global cybersecurity company providing complete protection against complex threats for all size business.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 6 | 1,252 contacts → | ||||
Exact match “Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 7 | 1,211 contacts → | ||||
Exact match “On Dec.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 8 | 1,054 contacts → | ||||
Exact match “WatchGuard® Technologies, Inc.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 9 | 789 contacts → | ||||
Exact match “Absolute Security is partnered with more than 28 of the world’s leading endpoint device manufacturers, embedded in the firmware of 600 million devices, trusted by global…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 10 | 694 contacts → | ||||
Exact match “Protect Your Endpoints, Identities, Logs, and Employees.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 11 | 679 contacts → | ||||
Exact match “We are now officially Trellix!” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 12 | 496 contacts → | ||||
Exact match “Guidance (NASDAQ: GUID) exists to turn chaos and the unknown into order and the known-so that companies and their customers can go about their daily lives as usual without worry…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 13 | 492 contacts → | ||||
Exact match “SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 14 | 429 contacts → | ||||
Exact match “We are Duo, and we’re here to democratize security.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 15 | 358 contacts → | ||||
Exact match “K7 Computing is a global cyber security pioneer with over 30 year’s expertise in the cyber security industry.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 16 | 294 contacts → | ||||
Exact match “We are Cipher, a company from the Prosegur group specializing in Cybersecurity.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 17 | 267 contacts → | ||||
Exact match “Cyble is the world’s first intelligence-driven, AI-native security platform that brings together detection, protection, and remediation across the entire digital attack surface.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 18 | 231 contacts → | ||||
Exact match “Hillstone Networks’ Integrative Cyber Security approach delivers coverage, control, and consolidation to secure digital transformation for more than enterprises worldwide.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 19 | 221 contacts → | ||||
Exact match “Arkose Labs helps the biggest enterprises in the world-including top banks, tech giants, social media platforms, airlines, etc-protect their users, revenue and reputation from…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 20 | 209 contacts → | ||||
Exact match “Netdata is a leading global cybersecurity services partner with more than 200 certified engineers and over 1,500 certifications, widely recognized as a partner of Palo Alto…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 21 | 172 contacts → | ||||
Exact match “Prevention-First Cybersecurity Powered by Patented ZeroDwell Containment Xcitium (formerly Comodo Security Solutions) is redefining cybersecurity with a prevention-first approach.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 22 | 158 contacts → | ||||
Exact match “AT & T Cybersecurity’s Edge-to-Edge technologies provide phenomenal threat intelligence, collaborative defense, security without the seams, and solutions that fit your business.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 23 | 149 contacts → | ||||
Exact match “SQ1 Security is a global cybersecurity leader offering end-to-end cybersecurity and compliance solution.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 24 | 132 contacts → | ||||
Exact match “HelpSystems has long been known for helping organizations become more secure and autonomous.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 25 | 127 contacts → | ||||
Exact match “Tripwire is proud to be part of Fortra’s comprehensive cybersecurity portfolio.” Recorded in the RevenueBase company graph · Aug 31, 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 “computer security 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 1,193 computer security companies based in the United States
See the full list, filter by size, metro and specialty, and access 21,487 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Computer security companies based in the United States at a glance
As of Aug 31, 2026Companies by employee count
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 “computer security 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 21,487 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 August 31, 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.
Computer security companies by metro
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 “computer security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many computer security companies are there based in the United States?
RevenueBase identified 1,193 company matches for computer security companies associated with the United States as of August 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 has the most computer security companies?
New York leads with 39 company records, followed by Miami (28) and San Francisco (22).
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 21,487 professional contacts with verified work emails tracked across these 1,193 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 August 31, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,193 computer security companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Computer security companies by geography
- Computer security companies based in the United Kingdom
- Computer security companies based in Brazil
- Computer security companies based in Canada
- Computer security companies based in Germany
- Computer security companies based in Australia
- Computer security companies based in France
- Computer security companies based in Spain
- Computer security companies based in Mexico
- Computer security companies based in the Netherlands
- Computer security companies based in South Africa
- Computer security companies based in Italy
- Computer security companies based in Israel
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Computer security companies based in the United Kingdom
- Computer security companies based in Brazil
- Computer security companies based in Canada
- Computer security companies based in Germany
- Computer security companies based in Australia
- Computer security companies based in France
Company intelligence · public preview
Top 25 computer security 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 1,193 matching company records for computer security companies based in the United States, with 55,772 tracked contacts and 21,487 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: August 31, 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 computer security 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 |  Symantecbroadcom.comHQ: HQ not recorded; location: San Jose, CA, United StatesReported employees: 10001+ | HQ not recorded; location: San Jose, CA, United States | 10001+ | Exact match | 11,179 contacts → |
“Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Bugcrowdbugcrowd.comHQ: HQ not recorded; location: San Francisco, CA, United StatesReported employees: Not recorded | HQ not recorded; location: San Francisco, CA, United States | Not recorded | Exact match | 3,566 contacts → |
“We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Sentinelonesentinelone.comHQ: HQ not recorded; location: Mountain View, CA, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Mountain View, CA, United States | 1,001-5,000 | Exact match | 3,046 contacts → |
“SentinelOne is the world's leading AI-powered cybersecurity platform.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Bitdefenderbitdefender.comHQ: HQ not recorded; location: Fort Lauderdale, FL, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Fort Lauderdale, FL, United States | 1,001-5,000 | Exact match | 2,141 contacts → |
“Bitdefender is a cybersecurity leader delivering best-in-class threat prevention, detection, and response solutions worldwide.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Barracudabarracuda.comHQ: HQ not recorded; location: Alpharetta, GA, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Alpharetta, GA, United States | 1,001-5,000 | Exact match | 2,108 contacts → |
“Barracuda is a leading global cybersecurity company providing complete protection against complex threats for all size business.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Thales Cybersecurity Productscpl.thalesgroup.comHQ: HQ not recorded; location: Austin, TX, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Austin, TX, United States | 1,001-5,000 | Exact match | 1,252 contacts → |
“Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Impervaimperva.comHQ: HQ not recorded; location: Austin, TX, United StatesReported employees: 10001+ | HQ not recorded; location: Austin, TX, United States | 10001+ | Exact match | 1,211 contacts → |
“On Dec.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Watchguard Technologieswatchguard.comHQ: HQ not recorded; location: Seattle, WA, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Seattle, WA, United States | 1,001-5,000 | Exact match | 1,054 contacts → |
“WatchGuard® Technologies, Inc.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Absolute Securityabsolute.comHQ: HQ not recorded; location: Seattle, WA, United StatesReported employees: 501-1,000 | HQ not recorded; location: Seattle, WA, United States | 501-1,000 | Exact match | 789 contacts → |
“Absolute Security is partnered with more than 28 of the world’s leading endpoint device manufacturers, embedded in the firmware of 600 million devices, trusted by global…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Huntresshuntress.comHQ: HQ not recorded; location: Columbia, MD, United StatesReported employees: 501-1,000 | HQ not recorded; location: Columbia, MD, United States | 501-1,000 | Exact match | 694 contacts → |
“Protect Your Endpoints, Identities, Logs, and Employees.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Fireeye, INCtrellix.comHQ: HQ not recorded; location: Milpitas, CA, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Milpitas, CA, United States | 1,001-5,000 | Exact match | 679 contacts → |
“We are now officially Trellix!” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Guidance Softwareguidancesoftware.comHQ: HQ not recorded; location: Las Vegas, NV, United StatesReported employees: 501-1,000 | HQ not recorded; location: Las Vegas, NV, United States | 501-1,000 | Exact match | 496 contacts → |
“Guidance (NASDAQ: GUID) exists to turn chaos and the unknown into order and the known-so that companies and their customers can go about their daily lives as usual without worry…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Securityhqsecurityhq.comHQ: HQ not recorded; location: New York, NY, United StatesReported employees: 501-1,000 | HQ not recorded; location: New York, NY, United States | 501-1,000 | Exact match | 492 contacts → |
“SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  DUO Securityduo.comHQ: HQ not recorded; location: Austin, TX, United StatesReported employees: 501-1,000 | HQ not recorded; location: Austin, TX, United States | 501-1,000 | Exact match | 429 contacts → |
“We are Duo, and we’re here to democratize security.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  K7 Computingk7computing.comHQ: HQ not recorded; location: Cerritos, CA, United StatesReported employees: 201-500 | HQ not recorded; location: Cerritos, CA, United States | 201-500 | Exact match | 358 contacts → |
“K7 Computing is a global cyber security pioneer with over 30 year’s expertise in the cyber security industry.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Cipher A Prosegur Companycipher.comHQ: HQ not recorded; location: Miami, FL, United StatesReported employees: 201-500 | HQ not recorded; location: Miami, FL, United States | 201-500 | Exact match | 294 contacts → |
“We are Cipher, a company from the Prosegur group specializing in Cybersecurity.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  CYBLEcyble.comHQ: HQ not recorded; location: Cupertino, CA, United StatesReported employees: 201-500 | HQ not recorded; location: Cupertino, CA, United States | 201-500 | Exact match | 267 contacts → |
“Cyble is the world’s first intelligence-driven, AI-native security platform that brings together detection, protection, and remediation across the entire digital attack surface.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Hillstone Networkshillstonenet.comHQ: HQ not recorded; location: Santa Clara, CA, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Santa Clara, CA, United States | 1,001-5,000 | Exact match | 231 contacts → |
“Hillstone Networks’ Integrative Cyber Security approach delivers coverage, control, and consolidation to secure digital transformation for more than enterprises worldwide.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Arkose Labsarkoselabs.comHQ: HQ not recorded; location: San Mateo, CA, United StatesReported employees: 201-500 | HQ not recorded; location: San Mateo, CA, United States | 201-500 | Exact match | 221 contacts → |
“Arkose Labs helps the biggest enterprises in the world-including top banks, tech giants, social media platforms, airlines, etc-protect their users, revenue and reputation from…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Netdata Cybersecuritynetdatanetworks.comHQ: HQ not recorded; location: Miami, FL, United StatesReported employees: 201-500 | HQ not recorded; location: Miami, FL, United States | 201-500 | Exact match | 209 contacts → |
“Netdata is a leading global cybersecurity services partner with more than 200 certified engineers and over 1,500 certifications, widely recognized as a partner of Palo Alto…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Xcitiumxcitium.comHQ: HQ not recorded; location: Remote, United StatesReported employees: 501-1,000 | HQ not recorded; location: Remote, United States | 501-1,000 | Exact match | 172 contacts → |
“Prevention-First Cybersecurity Powered by Patented ZeroDwell Containment Xcitium (formerly Comodo Security Solutions) is redefining cybersecurity with a prevention-first approach.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | At&t Cybersecuritycybersecurity.att.com HQ: HQ not recorded; location: Dallas, TX, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Dallas, TX, United States | 1,001-5,000 | Exact match | 158 contacts → |
“AT & T Cybersecurity’s Edge-to-Edge technologies provide phenomenal threat intelligence, collaborative defense, security without the seams, and solutions that fit your business.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Sq1 Securitysq1.securityHQ: HQ not recorded; location: San Jose, CA, United StatesReported employees: 201-500 | HQ not recorded; location: San Jose, CA, United States | 201-500 | Exact match | 149 contacts → |
“SQ1 Security is a global cybersecurity leader offering end-to-end cybersecurity and compliance solution.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Helpsystemsfortra.comHQ: HQ not recorded; location: Eden Prairie, MN, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Eden Prairie, MN, United States | 1,001-5,000 | Exact match | 132 contacts → |
“HelpSystems has long been known for helping organizations become more secure and autonomous.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Tripwiretripwire.comHQ: HQ not recorded; location: Portland, OR, United StatesReported employees: 201-500 | HQ not recorded; location: Portland, OR, United States | 201-500 | Exact match | 127 contacts → |
“Tripwire is proud to be part of Fortra’s comprehensive cybersecurity portfolio.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,193 company matches
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Computer security companies: dataset insights
August 31, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
1,182 records in the displayed employee bands.
11 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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: August 31, 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 ↗
Computer security companies by metro
Questions about this company list
What does Exact match mean for computer security 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 computer security companies did RevenueBase find based in the United States?
The saved snapshot records 1,193 matching company records, 55,772 tracked contacts and 21,487 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: August 31, 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
Computer security companies by geography
- Computer security companies based in the United Kingdom
- Computer security companies based in Brazil
- Computer security companies based in Canada
- Computer security companies based in Germany
- Computer security companies based in Australia
- Computer security companies based in France
- Computer security companies based in Spain
- Computer security companies based in Mexico
- Computer security companies based in the Netherlands
- Computer security companies based in South Africa
- Computer security companies based in Italy
- Computer security companies based in Israel
Cite this list
RevenueBase Data Team. Top 25 computer security companies based in the United States. Snapshot: August 31, 2026. https://revenuebase.ai/companies/computer-security-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
- Computer security companies based in the United Kingdom
- Computer security companies based in Brazil
- Computer security companies based in Canada
- Computer security companies based in Germany
- Computer security companies based in Australia
- Computer security companies based in France
Company intelligence · public preview
Top 25 computer security companies based in the United States
RevenueBase records 1,193 matching company records for computer security companies based in the United States, with 55,772 tracked contacts and 21,487 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: August 31, 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 computer security 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 | Symantecbroadcom.com HQ: HQ not recorded; location: San Jose, CA, United StatesReported employees: 10001+ | HQ not recorded; location: San Jose, CA, United States | 10001+ | Exact match | 11,179 contacts → |
“Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Bugcrowdbugcrowd.com HQ: HQ not recorded; location: San Francisco, CA, United StatesReported employees: Not recorded | HQ not recorded; location: San Francisco, CA, United States | Not recorded | Exact match | 3,566 contacts → |
“We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sentinelonesentinelone.com HQ: HQ not recorded; location: Mountain View, CA, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Mountain View, CA, United States | 1,001-5,000 | Exact match | 3,046 contacts → |
“SentinelOne is the world's leading AI-powered cybersecurity platform.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Bitdefenderbitdefender.com HQ: HQ not recorded; location: Fort Lauderdale, FL, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Fort Lauderdale, FL, United States | 1,001-5,000 | Exact match | 2,141 contacts → |
“Bitdefender is a cybersecurity leader delivering best-in-class threat prevention, detection, and response solutions worldwide.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Barracudabarracuda.com HQ: HQ not recorded; location: Alpharetta, GA, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Alpharetta, GA, United States | 1,001-5,000 | Exact match | 2,108 contacts → |
“Barracuda is a leading global cybersecurity company providing complete protection against complex threats for all size business.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Thales Cybersecurity Productscpl.thalesgroup.com HQ: HQ not recorded; location: Austin, TX, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Austin, TX, United States | 1,001-5,000 | Exact match | 1,252 contacts → |
“Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Impervaimperva.com HQ: HQ not recorded; location: Austin, TX, United StatesReported employees: 10001+ | HQ not recorded; location: Austin, TX, United States | 10001+ | Exact match | 1,211 contacts → |
“On Dec.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Watchguard Technologieswatchguard.com HQ: HQ not recorded; location: Seattle, WA, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Seattle, WA, United States | 1,001-5,000 | Exact match | 1,054 contacts → |
“WatchGuard® Technologies, Inc.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Absolute Securityabsolute.com HQ: HQ not recorded; location: Seattle, WA, United StatesReported employees: 501-1,000 | HQ not recorded; location: Seattle, WA, United States | 501-1,000 | Exact match | 789 contacts → |
“Absolute Security is partnered with more than 28 of the world’s leading endpoint device manufacturers, embedded in the firmware of 600 million devices, trusted by global…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Huntresshuntress.com HQ: HQ not recorded; location: Columbia, MD, United StatesReported employees: 501-1,000 | HQ not recorded; location: Columbia, MD, United States | 501-1,000 | Exact match | 694 contacts → |
“Protect Your Endpoints, Identities, Logs, and Employees.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Fireeye, INCtrellix.com HQ: HQ not recorded; location: Milpitas, CA, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Milpitas, CA, United States | 1,001-5,000 | Exact match | 679 contacts → |
“We are now officially Trellix!” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Guidance Softwareguidancesoftware.com HQ: HQ not recorded; location: Las Vegas, NV, United StatesReported employees: 501-1,000 | HQ not recorded; location: Las Vegas, NV, United States | 501-1,000 | Exact match | 496 contacts → |
“Guidance (NASDAQ: GUID) exists to turn chaos and the unknown into order and the known-so that companies and their customers can go about their daily lives as usual without worry…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Securityhqsecurityhq.com HQ: HQ not recorded; location: New York, NY, United StatesReported employees: 501-1,000 | HQ not recorded; location: New York, NY, United States | 501-1,000 | Exact match | 492 contacts → |
“SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | DUO Securityduo.com HQ: HQ not recorded; location: Austin, TX, United StatesReported employees: 501-1,000 | HQ not recorded; location: Austin, TX, United States | 501-1,000 | Exact match | 429 contacts → |
“We are Duo, and we’re here to democratize security.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | K7 Computingk7computing.com HQ: HQ not recorded; location: Cerritos, CA, United StatesReported employees: 201-500 | HQ not recorded; location: Cerritos, CA, United States | 201-500 | Exact match | 358 contacts → |
“K7 Computing is a global cyber security pioneer with over 30 year’s expertise in the cyber security industry.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Cipher A Prosegur Companycipher.com HQ: HQ not recorded; location: Miami, FL, United StatesReported employees: 201-500 | HQ not recorded; location: Miami, FL, United States | 201-500 | Exact match | 294 contacts → |
“We are Cipher, a company from the Prosegur group specializing in Cybersecurity.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | CYBLEcyble.com HQ: HQ not recorded; location: Cupertino, CA, United StatesReported employees: 201-500 | HQ not recorded; location: Cupertino, CA, United States | 201-500 | Exact match | 267 contacts → |
“Cyble is the world’s first intelligence-driven, AI-native security platform that brings together detection, protection, and remediation across the entire digital attack surface.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Hillstone Networkshillstonenet.com HQ: HQ not recorded; location: Santa Clara, CA, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Santa Clara, CA, United States | 1,001-5,000 | Exact match | 231 contacts → |
“Hillstone Networks’ Integrative Cyber Security approach delivers coverage, control, and consolidation to secure digital transformation for more than enterprises worldwide.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Arkose Labsarkoselabs.com HQ: HQ not recorded; location: San Mateo, CA, United StatesReported employees: 201-500 | HQ not recorded; location: San Mateo, CA, United States | 201-500 | Exact match | 221 contacts → |
“Arkose Labs helps the biggest enterprises in the world-including top banks, tech giants, social media platforms, airlines, etc-protect their users, revenue and reputation from…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Netdata Cybersecuritynetdatanetworks.com HQ: HQ not recorded; location: Miami, FL, United StatesReported employees: 201-500 | HQ not recorded; location: Miami, FL, United States | 201-500 | Exact match | 209 contacts → |
“Netdata is a leading global cybersecurity services partner with more than 200 certified engineers and over 1,500 certifications, widely recognized as a partner of Palo Alto…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Xcitiumxcitium.com HQ: HQ not recorded; location: Remote, United StatesReported employees: 501-1,000 | HQ not recorded; location: Remote, United States | 501-1,000 | Exact match | 172 contacts → |
“Prevention-First Cybersecurity Powered by Patented ZeroDwell Containment Xcitium (formerly Comodo Security Solutions) is redefining cybersecurity with a prevention-first approach.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | At&t Cybersecuritycybersecurity.att.com HQ: HQ not recorded; location: Dallas, TX, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Dallas, TX, United States | 1,001-5,000 | Exact match | 158 contacts → |
“AT & T Cybersecurity’s Edge-to-Edge technologies provide phenomenal threat intelligence, collaborative defense, security without the seams, and solutions that fit your business.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Sq1 Securitysq1.security HQ: HQ not recorded; location: San Jose, CA, United StatesReported employees: 201-500 | HQ not recorded; location: San Jose, CA, United States | 201-500 | Exact match | 149 contacts → |
“SQ1 Security is a global cybersecurity leader offering end-to-end cybersecurity and compliance solution.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Helpsystemsfortra.com HQ: HQ not recorded; location: Eden Prairie, MN, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Eden Prairie, MN, United States | 1,001-5,000 | Exact match | 132 contacts → |
“HelpSystems has long been known for helping organizations become more secure and autonomous.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Tripwiretripwire.com HQ: HQ not recorded; location: Portland, OR, United StatesReported employees: 201-500 | HQ not recorded; location: Portland, OR, United States | 201-500 | Exact match | 127 contacts → |
“Tripwire is proud to be part of Fortra’s comprehensive cybersecurity portfolio.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,193 company matches
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Computer security companies: dataset insights
August 31, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
1,182 records in the displayed employee bands.
11 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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: August 31, 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 ↗
Computer security companies by metro
Questions about this company list
What does Exact match mean for computer security 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 computer security companies did RevenueBase find based in the United States?
The saved snapshot records 1,193 matching company records, 55,772 tracked contacts and 21,487 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: August 31, 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
Computer security companies by geography
- Computer security companies based in the United Kingdom
- Computer security companies based in Brazil
- Computer security companies based in Canada
- Computer security companies based in Germany
- Computer security companies based in Australia
- Computer security companies based in France
- Computer security companies based in Spain
- Computer security companies based in Mexico
- Computer security companies based in the Netherlands
- Computer security companies based in South Africa
- Computer security companies based in Italy
- Computer security companies based in Israel
Cite this list
RevenueBase Data Team. Top 25 computer security companies based in the United States. Snapshot: August 31, 2026. https://revenuebase.ai/companies/computer-security-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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- Computer security companies based in the United Kingdom
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- Computer security companies based in Australia
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