Company lists · Data refreshed November 2026

Top 22 Secure infrastructure providers based in Chicago, United States

Name: Secure infrastructure providers based in Chicago, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 79 companies tracked

RevenueBase identified 79 company matches for secure infrastructure providers associated with Chicago, United States as of November 2026 and tracks 2,705 professional contacts across them, including 1,402 with verified work emails. Across the United States, New York is the largest hub for this category (227 companies); Chicago has 79.

This list covers company matches for secure infrastructure providers 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 November 6, 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 Nov 6, 2026 How this list was built

79Companies

2,705Contacts tracked

1,402Verified emails

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The 22 largest secure infrastructure providers based in Chicago, United States

Ranked by team size

Top 22 of 79 company matches for secure infrastructure providers based in Chicago, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Trustwave, A Levelblue Company	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	501-1,000	733 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 · Nov 6, 2026 · View company records in RevenueBase
2	Vikingcloud	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	665 contacts →
	Exact match “VikingCloud delivers cybersecurity and compliance solutions that simply work.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Ascend Technologies	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	201-500	360 contacts →
	Exact match “We're an award-winning Technology Solution Provider dedicated to safeguarding organizations across the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Access ONE INC	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	51-200	157 contacts →
	Exact match “Access One is a business technology services and communications provider, dedicated to world-class technologies and an award-winning client experience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Unitas Global	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	51-200	97 contacts →
	Exact match “Unitas Global is a leading managed network platform simplifying edge to cloud connectivity for Enterprise and Providers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Entara	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	51-200	41 contacts →
	Exact match “Experiencing a security incident?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Abira Security	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	51-200	31 contacts →
	Exact match “In today’s digitally connected world, cyber security plays a crucial role.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	I.Q. Technologies, INC	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	11-50	23 contacts →
	Exact match “Just like people, every business is unique in its own specific way.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Ravenswood Technology Group	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	11-50	20 contacts →
	Exact match “At Ravenswood Technology Group, we don’t just offer our customers cybersecurity solutions – we deliver value and expertise you can rely on as needs and risks change.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Agility Network Services, INC	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	11-50	20 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	IT Risk Managers LLC	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	11-50	13 contacts →
	Exact match “IT Risk Managers LLC provides proactive Chicago IT support to insure systems are available and ready to meet the needs of today's businesses 24/7.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	JMA Consulting LLC	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	1-10	9 contacts →
	Exact match “JMA Consulting, LLC brings secure IT solutions to commercial clients in multiple industries nationwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Cyber Bark LLC	Exact match	Chicago, United StatesHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
14	Harrington Technology & Associates, INC	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	11-50	8 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 · Nov 6, 2026 · View company records in RevenueBase
15	Data Defenders, LLC	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	11-50	8 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 · Nov 6, 2026 · View company records in RevenueBase
16	Amol Solutions	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
17	Mayflower Technologies LLC	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	1-10	6 contacts →
	Exact match “Dedicated, Full Service IT Management.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Network Aegis	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	1-10	5 contacts →
	Exact match “Welcome to Network Aegis!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Triforma Tech	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	51-200	5 contacts →
	Exact match “From server maintenance to disaster recovery, cloud solutions, IT network cyber security, asset management and more, TriForma Tech is in the business of making your business…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Urbane Security	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	11-50	5 contacts →
	Exact match “Urbane Security is an information security firm that provides specially tailored security and compliance solutions that empower the Fortune 500 to securely focus on their ultimate…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Fast & Secure Cloud Services	Exact match	Chicago, United StatesHQ recorded Nov 6, 2026	1-10	5 contacts →
	Exact match “We are leading IT company with offices in multiple regions of United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Apex IT And Cybersecurity Solutions	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	51-200	4 contacts →
	Exact match “Apex IT and Cybersecurity Solutions Inc is a leading Technology and Cybersecurity services firm based in Chicago, IL.” Recorded in the RevenueBase company graph · Nov 6, 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 “secure infrastructure providers”. 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 79 secure infrastructure providers based in Chicago, United States

See the full list, filter by size, metro and specialty, and access 1,402 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Secure infrastructure providers based in Chicago, United States at a glance

As of Nov 6, 2026

51.8%Verified-email coverage

34.2Average contacts per company

11-50Median size (employees)

Nov 6, 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 79 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 “secure infrastructure providers” 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 1,402 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 November 6, 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.

Secure infrastructure providers 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 “secure infrastructure providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many secure infrastructure providers are there based in Chicago, United States?

RevenueBase identified 79 company matches for secure infrastructure providers associated with Chicago, United States as of November 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?

Trustwave, A Levelblue Company 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 secure infrastructure providers?

New York leads the United States with 227 company records, followed by Houston (120) and Austin (118). Chicago has 79.

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 1,402 professional contacts with verified work emails tracked across these 79 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 November 6, 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.