Company lists · Data refreshed October 2026

Top 22 Agentic cybersecurity software companies based in Chicago, United States

Name: Agentic cybersecurity software companies based in Chicago, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 19, 2026 45 companies tracked

RevenueBase identified 45 company matches for agentic cybersecurity software companies associated with Chicago, United States as of October 2026 and tracks 2,694 professional contacts across them, including 1,423 with verified work emails. Across the United States, New York is the largest hub for this category (134 companies); Chicago has 45.

This list covers company matches for agentic cybersecurity software companies associated with Chicago, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 19, 2026 How this list was built

45Companies

2,694Contacts tracked

1,423Verified emails

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The 22 largest agentic cybersecurity software companies based in Chicago, United States

Ranked by team size

Top 22 of 45 company matches for agentic cybersecurity software companies based in Chicago, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 19, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Keeper Security, INC	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	501-1,000	754 contacts →
	Exact match “Keeper Security is transforming cybersecurity for millions of individuals and thousands of organizations globally.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
2	Trustwave, A Levelblue Company	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	501-1,000	729 contacts →
	Exact match “Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
3	Vikingcloud	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	1,001-5,000	650 contacts →
	Exact match “VikingCloud delivers cybersecurity and compliance solutions that simply work.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4	Vasco Data Security	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	501-1,000	143 contacts →
	Exact match “VASCO is now OneSpan!” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
5	Evolve Security	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	51-200	65 contacts →
	Exact match “Evolve Security is an offensive cybersecurity solution, delivering continuous penetration testing with the optimal blend of AI automation and human expertise, providing peace of…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
6	Entara	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	51-200	42 contacts →
	Exact match “Experiencing a security incident?” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7	Securion	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	51-200	32 contacts →
	Exact match “SECURION was formed by industry problem-solving veterans that came together to bring their vision of a completely security focused, vendor agnostic, secure by design approach.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
8	Abira Security	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	51-200	26 contacts →
	Exact match “In today’s digitally connected world, cyber security plays a crucial role.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
9	Anomalix	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	11-50	12 contacts →
	Exact match “Anomalix is a cybersecurity company specializing in Third-Party Human, Nonhuman and AI Identity Governance and Risk Management.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
10	Impelix	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	11-50	10 contacts →
	Exact match “Cyber threats are relentless, and security teams are overwhelmed.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
11	Data Defenders, LLC	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	11-50	9 contacts →
	Exact match “Data Defenders is at the forefront of Managed Cybersecurity Operations Providers (MCOP), specializing in safeguarding municipalities through our exclusive Regional Security…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
12	Harrington Technology & Associates, INC	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	11-50	9 contacts →
	Exact match “HTA Technology Security Consulting (HTA) is a certified Woman-Owned, Small, Disadvantaged, Minority business with offices in Chicago, IL, and the Washington DC corridor.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
13	Arxnimbus	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	11-50	9 contacts →
	Exact match “ArxNimbus brings visibility to every organization’s cybersecurity program, radically advancing how businesses understand and optimize for real resilience.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
14	Cyber Bark LLC	Exact match	Chicago, United StatesHQ recorded Oct 19, 2026	51-200	8 contacts →
	Exact match “At Cyber Bark, we bring 100 years of collective experience to the table, serving businesses across the US from our base in Illinois.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
15	Amol Solutions	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	1-10	7 contacts →
	Exact match “Amol Solutions strives to be a leader in cybersecurity services for organizations of all sizes.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
16	Hciss, LLC Bsecaenergy	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	11-50	6 contacts →
	Exact match “HCISS is an AI-Powered Cybersecurity company focused on helping organizations secure digital systems, sensitive data, and critical operations in an increasingly complex threat…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
17	Network Aegis	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	1-10	4 contacts →
	Exact match “Welcome to Network Aegis!” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
18	Cyber Pop-Up	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	1-10	4 contacts →
	Exact match “Cybersecurity for small businesses.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
19	Gratitech	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	1-10	4 contacts →
	Exact match “Gratitech works with large and mid-sized B2B and B2C organizations making technology and software more secure through NextGen full-stack cybersecurity.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
20	RED Door Technologies	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	1-10	3 contacts →
	Exact match “Red Door Technologies has protected Chicago small businesses since 2009.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
21	Heartsuite	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	1-10	2 contacts →
	Exact match “The benefits of HeartSuite are: • Stops all malware, including zero-day attacks • Prevents unauthorized access to files • Prevents unauthorized network access • Automatically…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
22	B Suite Cyber Security	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	1-10	2 contacts →
	Exact match “B Suite Cyber Security is a leader in minimizing cyber breach risk and demonstrating compliance for the financial industry.” 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 “agentic cybersecurity 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 22 of 45 agentic cybersecurity software companies based in Chicago, United States

See the full list, filter by size, metro and specialty, and access 1,423 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Agentic cybersecurity software companies based in Chicago, United States at a glance

As of Oct 19, 2026

52.8%Verified-email coverage

59.9Average contacts per company

11-50Median size (employees)

Oct 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 45 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 Chicago, United States whose business descriptions match “agentic cybersecurity 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 1,423 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.

Agentic cybersecurity software companies by metro in the United States

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 “agentic cybersecurity software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many agentic cybersecurity software companies are there based in Chicago, United States?

RevenueBase identified 45 company matches for agentic cybersecurity software companies associated with Chicago, 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?

Keeper Security, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most agentic cybersecurity software companies?

New York leads the United States with 134 company records, followed by San Francisco (106) and Austin (69). Chicago has 45.

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 1,423 professional contacts with verified work emails tracked across these 45 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.

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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.