Company lists · Data refreshed September 2026

Top 25 IT infrastructure modernization companies based in Chicago, United States

Name: IT infrastructure modernization 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 67 companies tracked

RevenueBase identified 67 company matches for IT infrastructure modernization companies associated with Chicago, United States as of September 2026 and tracks 4,589 professional contacts across them, including 2,710 with verified work emails. Across the United States, New York is the largest hub for this category (109 companies); Chicago has 67.

This list covers company matches for IT infrastructure modernization 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

67Companies

4,589Contacts tracked

2,710Verified emails

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

Ranked by team size

Top 25 of 67 company matches for IT infrastructure modernization 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	AHEAD	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1,001-5,000	2,989 contacts →
	Exact match “AHEAD accelerates strategy into execution by engineering integrated solutions across infrastructure, applications, data, and security.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	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
3	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
4	Maven Wave, An Eviden Company	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	501-1,000	184 contacts →
	Exact match “As of April 2023, Maven Wave is now part of Eviden, at Atos business.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	Triangu	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	45 contacts →
	Exact match “Triangu delivers end-to-end digital transformation for enterprises that need results, not just recommendations.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	OLSYS	Exact match	Chicago, United StatesHQ recorded Sep 20, 2026	51-200	38 contacts →
	Exact match “We partner with fast-growth companies, investors, and mid-sized enterprises to scale faster, modernize smarter, and stay ahead in an AI-driven world.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	NPO USA INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	51-200	37 contacts →
	Exact match “We are NPO USA!” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Origin	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	28 contacts →
	Exact match “Origin is a new age consulting company born in the AI era that operates at the intersection of data analytics, AI and automation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	Ravenswood Technology Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	21 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 · Sep 20, 2026 · View company records in RevenueBase
10	Zivra, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	19 contacts →
	Exact match “Zivra is a boutique IT professional services firm founded by highly-experienced IT consulting executives.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	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
12	Mdrn Tech	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	16 contacts →
	Exact match “At MDRN Tech, we dare to dream big, push boundaries and deliver a more modern way.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Amtech Analytics LLC	Exact match	Chicago, United StatesHQ recorded Sep 20, 2026	51-200	8 contacts →
	Exact match “Amtech Analytics: Empowering Innovation through IT Consulting: Founded in 2023 by Kumarasenthil Muthuvel.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	Prime TSR	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	51-200	8 contacts →
	Exact match “Prime TSR is a technology modernization consultancy.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Microtech Leaders	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	7 contacts →
	Exact match “OUR COMPANY Microtech Leaders is a full spectrum global technology solution partner and managed service provider committed to helping small & medium size businesses build and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Proxit, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	6 contacts →
	Exact match “Proxit, Inc is a full service business technology firm providing guidance and support for your information technology needs, today and in the future.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	NE Digital, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	5 contacts →
	Exact match “We are an IT-consultation powerhouse that designs and operates IT for Private Equity asset value creation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Trinumstudio	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	5 contacts →
	Exact match “TrinumStudio® is a leading digital transformation consultancy that empowers organizations to harness the power of technology to drive innovation, efficiency, and growth.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Yayo Interactive	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	5 contacts →
	Exact match “Yayo Interactive is a technology and digital solutions firm helping organizations modernize systems, strengthen security, and improve business performance through scalable…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	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
21	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
22	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
23	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
24	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
25	Sahnalink	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	2 contacts →
	Exact match “Partners in your digital transformation journey!” 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 modernization 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 67 IT infrastructure modernization companies based in Chicago, United States

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

As of Sep 20, 2026

59.1%Verified-email coverage

68.5Average contacts per company

11-50Median size (employees)

Sep 20, 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 67 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 modernization 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 2,710 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 modernization 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 modernization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 67 company matches for IT infrastructure modernization 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?

AHEAD 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 modernization companies?

New York leads the United States with 109 company records, followed by Houston (89) and Austin (78). Chicago has 67.

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 2,710 professional contacts with verified work emails tracked across these 67 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.