Company lists · Data refreshed September 2026

Top 25 Managed application security services based in the United States

RevenueBase identified 206 company matches for managed application security services associated with the United States as of September 2026 and tracks 6,591 professional contacts across them, including 3,018 with verified work emails. San Francisco is the largest hub.

This list covers company matches for managed application security services 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 28, 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 28, 2026 How this list was built
206Companies
6,591Contacts tracked
3,018Verified emails
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The 25 largest managed application security services based in the United States

Ranked by team size
Top 25 of 206 company matches for managed application security services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 matchBurlington, MA, United StatesHQ recorded Sep 28, 20265,001-10,0001,187 contacts →

Exact match

“Black Duck® meets the board-level risks of modern software with True Scale Application Security, ensuring uncompromised trust in software for the regulated, AI-powered world.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchParamus, NJ, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
3Exact matchBurlington, MA, United StatesHQ recorded Sep 28, 2026501-1,000552 contacts →

Exact match

“Veracode is a global leader in Application Risk Management for the AI era.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchMclean, VA, United StatesHQ recorded Sep 28, 2026501-1,000523 contacts →

Exact match

“UltraViolet Cyber is the only security operations partner that unifies red, blue, and purple team capabilities into one integrated program, finding what's vulnerable, stopping…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchAustin, TX, United StatesHQ recorded Sep 28, 2026201-500326 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchPalo Alto, CA, United StatesHQ recorded Sep 28, 202651-200234 contacts →

Exact match

“Protect your business-critical applications by mitigating threats and reducing risk with Obsidian, the first truly comprehensive security solution for SaaS.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 202651-200208 contacts →

Exact match

“TAC Security (NSE: TAC) TAC Security, a leading publicly listed global cybersecurity company specializing in vulnerability management, today serves clients across 100 countries…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchUs & Canada, OR, United StatesHQ recorded Sep 28, 2026201-500185 contacts →

Exact match

“Convergence Networks provides managed IT services, cybersecurity, cloud solutions, IT consulting, Modern work solutions, and compliance support to organizations across Canada and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 202651-200167 contacts →

Exact match

“Fluid Attacks helps companies prevent, detect, manage and remediate vulnerabilities across their application attack surface.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchBridgewater, United StatesHQ recorded Sep 28, 202651-200120 contacts →

Exact match

“At NGTSol, we prioritize the protection and efficient management of our clients' technology infrastructure.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchDenver, CO, United StatesHQ recorded Sep 28, 202651-200111 contacts →

Exact match

“DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchFolsom, CA, United StatesHQ recorded Sep 28, 2026201-500109 contacts →

Exact match

“West Advanced Technologies, Inc.(WATI) is a California-headquartered technology solutions provider, delivering 100% success for clients from government agencies, tech companies…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchSan Jose, CA, United StatesHQ recorded Sep 28, 2026201-50089 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchFairfax, VA, United StatesHQ recorded Sep 28, 202651-20076 contacts →

Exact match

“American Technology Services (ATS) operates as both a managed services provider (MSP) and a managed security services provider (MSSP) for high-growth and regulated organizations…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchSt. Charles, IL, United StatesHQ recorded Sep 28, 202651-20068 contacts →

Exact match

“We've been serving and defending businesses since 2008 as trusted, personable guides in this complex, ever-changing, high-stakes field-MSSP Alert's Top 50 MSSPs Of 2020 -LogRhythm…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 202651-20055 contacts →

Exact match

“Mondoo's Agentic Managed Vulnerability Service, a combination of local expert security professionals and a proven AI-native platform, delivers the outcomes security professionals…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchWilmington, DE, United StatesHQ recorded Sep 28, 202651-20055 contacts →

Exact match

“SharkStriker is a global cybersecurity vendor with a presence in around 30+ countries that was founded with the sole purpose of empowering MSPs to solve industry cybersecurity…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchFindlay, OH, United StatesHQ recorded Sep 28, 202611-5054 contacts →

Exact match

“CentraComm secures and manages hybrid networks.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchRichmond, VA, United StatesHQ recorded Sep 28, 202651-20053 contacts →

Exact match

“Protecting your organization from security breaches is the #1 goal of Guardian 365® managing security operations.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchMiami, FL, United StatesHQ recorded Sep 28, 202651-20049 contacts →

Exact match

“Cybral is based in the US with operating subsidiaries in the North America, Europe and MENA.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchLos Angeles, CA, United StatesHQ recorded Sep 28, 202651-20043 contacts →

Exact match

“Combining robust human and AI powered cyber security measures with efficient IT management, our business delivers comprehensive solutions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchBoulder, CO, United StatesHQ recorded Sep 28, 202651-20040 contacts →

Exact match

“Merito is a trusted Value-Added Partner helping our customers capture lasting business value, with a focus on Application Security, Quality, and DevOps (DevSecOps).”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchTampa, FL, United StatesHQ recorded Sep 28, 202611-5039 contacts →

Exact match

“As America's #1 ranked MSSP on the Inc.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchSan Jose, CA, United StatesHQ recorded Sep 28, 202651-20037 contacts →

Exact match

“We are your partners in product security.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchDenver, CO, United StatesHQ recorded Sep 28, 202611-5035 contacts →

Exact match

“Transform application security with complete discovery of your API landscape, automated dev-native testing workflows, and actionable remediation guidance – at the pace of AI.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 206 managed application security services based in the United States

See the full list, filter by size, metro and specialty, and access 3,018 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Managed application security services based in the United States at a glance

As of Sep 28, 2026
45.8%Verified-email coverage
32.0Average contacts per company
11-50Median size (employees)
2.9%Largest-city concentration · San Francisco
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
92
11-50
67
51-200
35
201-500
5
501-1,000
4
1,001-5,000
1
5,001-10,000
1
10001+
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 206 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 “managed application security services” 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 3,018 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 28, 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 “managed application security services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many managed application security services are there based in the United States?

RevenueBase identified 206 company matches for managed application security services 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?

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

Which city has the most managed application security services?

San Francisco leads with 6 company records, followed by San Jose (5) and New York (5).

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 3,018 professional contacts with verified work emails tracked across these 206 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 28, 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.