Company lists · Data refreshed September 2026

Top 25 Open source security scanning companies based in the United States

RevenueBase identified 144 company matches for open source security scanning companies associated with the United States as of September 2026 and tracks 10,080 professional contacts across them, including 3,263 with verified work emails. San Francisco is the largest hub.

This list covers company matches for open source security scanning 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 September 29, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built
144Companies
10,080Contacts tracked
3,263Verified emails
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The 25 largest open source security scanning companies based in the United States

Ranked by team size
Top 25 of 144 company matches for open source security scanning companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 2026n/a3,649 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 · Sep 29, 2026 · View company records in RevenueBase
2Exact matchBoston, MA, United StatesHQ recorded Sep 29, 20261,001-5,0001,188 contacts →

Exact match

“Snyk, the leader in secure AI software development, empowers organizations to build fast and stay secure by unleashing developer productivity and reducing business risk.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchParamus, NJ, United StatesHQ recorded Sep 29, 2026501-1,0001,042 contacts →

Exact match

“Checkmarx helps the world’s largest enterprises get ahead of application risk without slowing down development.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchAustin, TX, United StatesHQ recorded Sep 29, 2026n/a813 contacts →

Exact match

“The Synack Red Team is a private freelance security research team that spans 6 continents and over 80 countries.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchBurlington, MA, United StatesHQ recorded Sep 29, 2026201-500486 contacts →

Exact match

“Pentera provides AI-powered Automated Security Validation for enterprise security teams.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchWilmington, DE, United StatesHQ recorded Sep 29, 2026n/a438 contacts →

Exact match

“The Open Worldwide Application Security Project (OWASP) is a worldwide free and open community focused on improving the security of software.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchTempe, AZ, United StatesHQ recorded Sep 29, 2026201-500344 contacts →

Exact match

“Bishop Fox is recognized as the leading authority in offensive security, providing solutions ranging from continuous penetration testing, red teaming, and attack surface…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchAustin, TX, United StatesHQ recorded Sep 29, 2026201-500326 contacts →

Exact match

“Invicti is transforming the way web applications are secured.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchSan Jose, CA, United StatesHQ recorded Sep 29, 2026201-50089 contacts →

Exact match

“NTT Application Security is driving the future of application security.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, United StatesHQ recorded Sep 29, 202651-20080 contacts →

Exact match

“Socket is a cybersecurity platform that protects companies from software supply chain attacks.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchCulver City, CA, United StatesHQ recorded Sep 29, 202611-5062 contacts →

Exact match

“Inspectiv is an all-in-one application security testing platform that simplifies the process of discovering, validating, and remediating vulnerabilities.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchMenifee, CA, United StatesHQ recorded Sep 29, 20265,001-10,00060 contacts →

Exact match

“We've offered holistic website security solutions since 2008 including malware removal, malware monitoring and website protection services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchSan Francisco, United StatesHQ recorded Sep 29, 202611-5051 contacts →

Exact match

“Our team of career security experts are dedicated to building robust and intelligent software that helps you protect your information.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-5047 contacts →

Exact match

“Software ships daily.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchBoston, MA, United StatesHQ recorded Sep 29, 202611-5039 contacts →

Exact match

“Root eliminates the CVE grind by delivering open source that is clean of vulnerabilities, secured by default, and ready to use without engineering effort.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchSacramento, CA, United StatesHQ recorded Sep 29, 202611-5039 contacts →

Exact match

“Empower your security team to find and fix critical exposures & vulnerabilities in your internet-exposed assets before they are exploited by bad actors.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchAlpharetta, GA, United StatesHQ recorded Sep 29, 202611-5035 contacts →

Exact match

“Arnica is redefining application security by meeting developers where they work.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchAtlanta, GA, United StatesHQ recorded Sep 29, 202611-5028 contacts →

Exact match

“Red Sentry delivers expert-led penetration testing to help businesses identify and fix security vulnerabilities before attackers can exploit them.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchAustin, TX, United StatesHQ recorded Sep 29, 202651-20026 contacts →

Exact match

“Acunetix was founded to combat the alarming rise in web attacks.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchAtlanta, GA, United StatesHQ recorded Sep 29, 202611-5024 contacts →

Exact match

“vPenTest from Vonahi Security, a Kaseya company, is the leading SaaS platform that's revolutionizing network penetration testing through automation.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-5023 contacts →

Exact match

“Doyensec is an independent security research and development company focused on vulnerability discovery and remediation.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchWoburn, MA, United StatesHQ recorded Sep 29, 202611-5022 contacts →

Exact match

“Primeon is a leader in enterprise-wide application security, pen-testing (all web apps & smartphone apps security tests - all device flavors), cloud computing application Security…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchRemote, United StatesHQ recorded Sep 29, 202611-5020 contacts →

Exact match

“Radically simplifying Web and API Security Testing NightVision brings application security testing into the modern development workflow.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchDover, DE, United StatesHQ recorded Sep 29, 202611-5020 contacts →

Exact match

“Oversecured is a mobile app security provider with automated scanning software solutions.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchMiami Beach, FL, United StatesHQ recorded Sep 29, 202611-5016 contacts →

Exact match

“At Halo Security, we’re changing the way organizations manage their external attack surface.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 144 open source security scanning companies based in the United States

See the full list, filter by size, metro and specialty, and access 3,263 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Open source security scanning companies based in the United States at a glance

As of Sep 29, 2026
32.4%Verified-email coverage
70.0Average contacts per company
1-10Median size (employees)
14.6%Largest-city concentration · San Francisco
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
79
11-50
37
51-200
11
201-500
9
501-1,000
3
1,001-5,000
3
5,001-10,000
1

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 144 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 “open source security scanning 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 3,263 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 29, 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 “open source security scanning companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many open source security scanning companies are there based in the United States?

RevenueBase identified 144 company matches for open source security scanning companies associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Bugcrowd tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most open source security scanning companies?

San Francisco leads with 21 company records, followed by New York (5) and Atlanta (4).

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 3,263 professional contacts with verified work emails tracked across these 144 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

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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.