Company lists · Data refreshed September 2026

Top 25 IT infrastructure companies based in Chicago, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 60 companies tracked

RevenueBase identified 60 company matches for IT infrastructure companies associated with Chicago, United States as of September 2026 and tracks 1,492 professional contacts across them, including 754 with verified work emails. Across the United States, New York is the largest hub for this category (140 companies); Chicago has 60.

This list covers company matches for IT infrastructure 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 September 20, 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 20, 2026 How this list was built

60Companies

1,492Contacts tracked

754Verified emails

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The 25 largest IT infrastructure companies based in Chicago, United States

Ranked by team size

Top 25 of 60 company matches for IT infrastructure companies based in Chicago, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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	Teceze	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1,001-5,000	432 contacts →
	Exact match “Teceze is a global IT services company helping businesses modernise their technology infrastructure and drive measurable outcomes through Cloud, AI, Cybersecurity, Managed…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	SDI Presence	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	201-500	391 contacts →
	Exact match “SDI Presence LLC is an IT consultancy and managed services provider (MSP) that leverages its strong team presence to advance our clients to a secure digital enterprise.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Avant Communications	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	51-200	263 contacts →
	Exact match “As the nation’s premier distributor of next generation technologies, AVANT has the resources and relationships needed to successfully navigate the ever-changing world of…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Touch Support, Inc. & SNF Back Office	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	201-500	93 contacts →
	Exact match “Touch Support has spent almost 20 years removing and preventing headaches for our clients and giving them peace of mind.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	DTI Diversified Technology INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	51-200	62 contacts →
	Exact match “DTI is a 100% African American-owned IT consulting and network services firm with nearly 40 years of experience.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Black Diamond Solutions	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	21 contacts →
	Exact match “Black Diamond Solutions: Your Strategic IT Partner Since 2005, Black Diamond Solutions has been a trusted Value-Added Reseller focused on maximizing the ROI of your technology…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	I.Q. Technologies, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	17 contacts →
	Exact match “Just like people, every business is unique in its own specific way.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Deep Systems	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	15 contacts →
	Exact match “Deep Systems provides the financial industry with state-of-the-art strategically applied solutions for servicing software, infrastructure and managed IT.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	IT Risk Managers LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 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 · Sep 20, 2026 · View company records in RevenueBase
10	Layer 7 Systems	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	10 contacts →
	Exact match “We want to be your IT Department!” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Triforma Tech	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 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 · Sep 20, 2026 · View company records in RevenueBase
12	Zyvatech	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	4 contacts →
	Exact match “ZYVATECH™ (An ANNYZ Corporation Company) is an excellent IT soulutions providers, located in Vancouver and Chicago.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Fast & Secure Cloud Services	Exact match	Chicago, United StatesHQ recorded Sep 20, 2026	1-10	4 contacts →
	Exact match “We are leading IT company with offices in multiple regions of United States.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	Net-Telligence Group, Inc. NTG	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	3 contacts →
	Exact match “In today’s world of rapidly changing technology, organizations must rethink the way we do business.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	CEU Technologies INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	2 contacts →
	Exact match “Founded by CEO David Carreiro, CEU Technologies has quickly become Chicago’s top MSP and IT provider.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Root Port IT Solutions	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	2 contacts →
	Exact match “Root Port IT Solutions is a small, agile and dedicated IT consulting company based in Chicago, IL.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Ironstack Technology Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	2 contacts →
	Exact match “IronStack Technology Group structures power-secure AI infrastructure platforms through data center development, energy integration, cybersecurity, strategic technology…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Loftontech	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	2 contacts →
	Exact match “I.T.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Network Management Services	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	2 contacts →
	Exact match “Network Management Services is a full-service information technology support company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	thepickle.com	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	1 contacts →
	Exact match “thepickle.com helps Small to Medium Businesses make the transition to Advanced Level Enterprise Services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Venturespoint Corp	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	1 contacts →
	Exact match “VenturesPoint has been serving Business firms for over ten years.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	Packetwise INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	1 contacts →
	Exact match “PacketWise is a leading network consulting company that specializes in providing comprehensive solutions for businesses of all sizes.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	Data Integrity Computer Systems Incorporated	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	coderpro.net	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	1 contacts →
	Exact match “Founded in 2007, coderPro.net provides full-service Information Technology services to clients across the globe.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Ubiquity, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	1 contacts →
	Exact match “Our goal is to provide a superior customer experience and tremendous business value for our customers.” Recorded in the RevenueBase company graph · Sep 20, 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 “IT infrastructure 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 60 IT infrastructure companies based in Chicago, United States

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IT infrastructure companies based in Chicago, United States at a glance

As of Sep 20, 2026

50.5%Verified-email coverage

24.9Average contacts per company

1-10Median size (employees)

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 60 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 “IT infrastructure 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 754 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 20, 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.

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

How many IT infrastructure companies are there based in Chicago, United States?

RevenueBase identified 60 company matches for IT infrastructure companies associated with Chicago, 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?

Teceze 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 IT infrastructure companies?

New York leads the United States with 140 company records, followed by Houston (126) and Miami (80). Chicago has 60.

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 754 professional contacts with verified work emails tracked across these 60 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 20, 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.