Company lists · Data refreshed September 2026

Top 25 IT infrastructure managed service providers based in Chicago, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 124 companies tracked

RevenueBase identified 124 company matches for IT infrastructure managed service providers associated with Chicago, United States as of September 2026 and tracks 1,865 professional contacts across them, including 641 with verified work emails. Across the United States, New York is the largest hub for this category (294 companies); Chicago has 124.

This list covers company matches for IT infrastructure managed service 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 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

124Companies

1,865Contacts tracked

641Verified emails

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The 25 largest IT infrastructure managed service providers based in Chicago, United States

Ranked by team size

Top 25 of 124 company matches for IT infrastructure managed service providers based in Chicago, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	SDI Presence	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
2	Glotel, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	201-500	219 contacts →
	Exact match “Founded in 1989, Glotel opened its doors as a telecom staffing provider.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Access ONE INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	51-200	140 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 · Sep 28, 2026 · View company records in RevenueBase
4	CHI Networks	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	51-200	111 contacts →
	Exact match “Chicago-based Chi Networks is a cutting edge Managed Service Provider serving a global base from data centers located in three time zones.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Touch Support, Inc. & SNF Back Office	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
6	Empist	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	51-200	89 contacts →
	Exact match “At EMPIST, our mission is to fuel businesses with the technology they need to succeed.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Lyra Technology Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	71 contacts →
	Exact match “Lyra Technology Group is a family of IT services businesses serving small and medium-sized organizations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	DTI Diversified Technology INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
9	YJT Solutions	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	11-50	58 contacts →
	Exact match “As of September 2018, YJT Solutions has rebranded and is now known as entara!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Framework IT	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	11-50	41 contacts →
	Exact match “Framework IT is a managed IT services provider specializing in support, strategy, and security for companies who want to form an agile IT environment.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Smart Technology Services, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	11-50	32 contacts →
	Exact match “At SMaRT Technology Services, our resources are dedicated to helping businesses, schools and governmental agencies by making sure their organization's technology is highly…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Black Diamond Solutions	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
13	Inhousecio, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	11-50	21 contacts →
	Exact match “Many businesses deal with Computer and IT headaches because their IT is getting more complex.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Micro-Tech USA	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	11-50	20 contacts →
	Exact match “Welcome to Micro-Tech U.S.A!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Guavatech, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	11-50	19 contacts →
	Exact match “Who We Are: GuavaTech, Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Agility Network Services, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	11-50	19 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	I.Q. Technologies, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
18	Friendly Solutions Corp	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	11-50	17 contacts →
	Exact match “We are an information technology consulting firm, dedicated to providing comprehensive technology solutions for specific business needs.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	CSC Consulting Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	11-50	17 contacts →
	Exact match “CSC Consulting Group (CSC) is an experienced IT services company offering a full range of IT services including high-level assessments, network infrastructure design and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Computing Technology Solutions	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	11-50	15 contacts →
	Exact match “CTS is your Technology Management Partner when it comes to managing all the computing needs of your business!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Nectel Technologies, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	n/a	14 contacts →
	Exact match “One of the top IT companies in Chicago.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	IT Risk Managers LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
23	Version2, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	11-50	10 contacts →
	Exact match “Version2 is a technology service provider focused on small to medium businesses.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Firelogic	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	11-50	10 contacts →
	Exact match “FireLogic is your complete Managed IT Services provider that specializes in technology support, consulting, training, and deployment for commercial, nonprofit, and education…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Layer 7 Systems	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	11-50	10 contacts →
	Exact match “We want to be your IT Department!” Recorded in the RevenueBase company graph · Sep 28, 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 managed service 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 25 of 124 IT infrastructure managed service providers based in Chicago, United States

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IT infrastructure managed service providers based in Chicago, United States at a glance

As of Sep 28, 2026

34.4%Verified-email coverage

15.0Average contacts per company

11-50Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

10001+

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 124 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 managed service 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 641 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.

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

How many IT infrastructure managed service providers are there based in Chicago, United States?

RevenueBase identified 124 company matches for IT infrastructure managed service providers 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?

SDI Presence 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 managed service providers?

New York leads the United States with 294 company records, followed by Houston (194) and Chicago (124).

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 641 professional contacts with verified work emails tracked across these 124 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.