Company lists · Data refreshed November 2026

Top 23 IT system integration services based in Chicago, United States

RevenueBase identified 84 company matches for IT system integration services associated with Chicago, United States as of November 2026 and tracks 1,057 professional contacts across them, including 397 with verified work emails. Across the United States, New York is the largest hub for this category (175 companies); Chicago has 84.

This list covers company matches for IT system integration services 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
84Companies
1,057Contacts tracked
397Verified emails
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The 23 largest IT system integration services based in Chicago, United States

Ranked by team size
Top 23 of 84 company matches for IT system integration services 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchChicago, IL, United StatesHQ recorded Nov 6, 2026201-500216 contacts →

Exact match

“Krasan Consulting Services is a Chicago-based boutique management consulting and technology solutions integrator.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202651-20078 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchChicago, IL, United StatesHQ recorded Nov 6, 2026201-50058 contacts →

Exact match

“ACP CreativIT is focused on business outcomes and providing long-standing solutions to our customers that incorporates world-class technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“MARS-Technominds has indeed come a long way in setting high standards in technology and consulting services and has certainly proved to be a force to reckon with since its…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“Simetrica Consulting is a computer software company based out of Ave.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“Vayu Group provides multi-layer optimization and integration services for network infrastructure and data center–connection projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“USSP (US Software Professionals Inc) is a best in class IT consulting firm offering end to end service and implementation solutions to clients worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Welcome to Micro-Tech U.S.A!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-5023 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
10Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-5018 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchChicago, IL, United StatesHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“Birds on a Cable is a Chicago based Information Technology company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“We want to be your IT Department!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchChicago, IL, United StatesHQ recorded Nov 6, 20261-106 contacts →

Exact match

“The Heliox Group is an IT consultancy with the mission to provide our customers with the highest level of service and expertise with regard to their technological needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-506 contacts →

Exact match

“INFRASTRUCTURE TO ARTWORK TerraBridge Innovations in Technology is the industry leading expert in special systems integration.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202651-2005 contacts →

Exact match

“SNtial Technologies is a Chicago-born, globally connected technology, advisory, and talent solutions company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchChicago, United StatesHQ recorded Nov 6, 20261-105 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
17Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-504 contacts →

Exact match

“OnRamp Networks is a young and privately held company based in downtown Chicago.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-504 contacts →

Exact match

“Virgo Solutions provides comprehensive customized IT solutions designed to adapt as your business expands.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchChicago, IL, United StatesHQ recorded Nov 6, 20261-104 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 · Nov 6, 2026 · View company records in RevenueBase
20Exact matchChicago, IL, United StatesHQ recorded Nov 6, 20261-103 contacts →

Exact match

“BaseTech is built with one goal in mind, to bring honest and affordable technology solutions to our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchChicago, United StatesHQ recorded Nov 6, 202611-502 contacts →

Exact match

“An IT services and IT consulting company that provides a range of technological solutions and expert guidance to businesses and organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchChicago, IL, United StatesHQ recorded Nov 6, 20261-102 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 · Nov 6, 2026 · View company records in RevenueBase
23Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-502 contacts →

Exact match

“DMK is a full-service company that maintains a staff of experienced professionals who provide installation, implementation, project management, modification, integration, process…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 23 of 84 IT system integration services based in Chicago, United States

See the full list, filter by size, metro and specialty, and access 397 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT system integration services based in Chicago, United States at a glance

As of Nov 6, 2026
37.6%Verified-email coverage
12.6Average contacts per company
11-50Median size (employees)
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
31
11-50
33
51-200
15
201-500
4
1,001-5,000
1

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 84 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 system integration services” 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 397 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.

IT system integration services 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 system integration services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT system integration services are there based in Chicago, United States?

RevenueBase identified 84 company matches for IT system integration services 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?

Krasan Consulting Services 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 system integration services?

New York leads the United States with 175 company records, followed by Houston (137) and Chicago (84).

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 397 professional contacts with verified work emails tracked across these 84 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.