Company lists · Data refreshed September 2026

Top 25 Enterprise system integration companies based in Chicago, United States

Name: Enterprise system integration 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 28, 2026 83 companies tracked

RevenueBase identified 83 enterprise system integration companies headquartered in Chicago, United States as of September 2026 and tracks 1,865 professional contacts across them, including 458 with verified work emails. Across the United States, Houston is the largest hub for this category (142 companies); Chicago has 83.

This list covers enterprise system integration companies headquartered in Chicago, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

83Companies

1,865Contacts tracked

458Verified emails

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The 25 largest enterprise system integration companies based in Chicago, United States

Ranked by team size

Top 25 of 83 enterprise system integration companies based in Chicago, United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise system integration companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Q1 Technologies, INC	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	1,001-5,000	262 contacts →
	Partial evidence “Q1 Technologies is a global IT solutions and services provider focused on delivering innovative, scalable, and high-impact technology outcomes for enterprises worldwide.” Source: RevenueBase Database · checked Sep 28, 2026
2	Krasan Consulting Services	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	201-500	172 contacts →
	Indirect evidence “Krasan Consulting Services is a Chicago-based boutique management consulting and technology solutions integrator.” Source: RevenueBase Database · checked Sep 28, 2026
3	Logan Consulting	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	51-200	84 contacts →
	Indirect evidence “Logan Consulting helps manufacturing, distribution and service companies use technology to reduce costs and increase sales resulting in higher company profits.” Source: RevenueBase Database · checked Sep 28, 2026
4	DTI Diversified Technology INC	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	51-200	62 contacts →
	Indirect evidence “DTI is a 100% African American-owned IT consulting and network services firm with nearly 40 years of experience.” Source: RevenueBase Database · checked Sep 28, 2026
5	Ultra Consultants	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	51-200	60 contacts →
	Indirect evidence “Ultra Consultants is an independent ERP consulting firm guiding manufacturing and distribution companies on their Digital and Business Transformations.” Source: RevenueBase Database · checked Sep 28, 2026
6	Logicon, LLC	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	51-200	56 contacts →
	Indirect evidence “At Logicon, we help businesses streamline operations, reduce manual work, and make technology effortless.” Source: RevenueBase Database · checked Sep 28, 2026
7	Digiteon Consulting	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	51-200	40 contacts →
	Indirect evidence “Digiteon helps Digital Agencies, ERP VARs, and ISVs scale their technical delivery without the overhead of hiring full-time teams.” Source: RevenueBase Database · checked Sep 28, 2026
8	Simetrica Consulting	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	51-200	40 contacts →
	Indirect evidence “Simetrica Consulting is a computer software company based out of Ave.” Source: RevenueBase Database · checked Sep 28, 2026
9	Ethosystems	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	11-50	39 contacts →
	Indirect evidence “ETHOSystems is a multi-award-winning provider of integrated Construction and Real Estate business software solutions & support.” Source: RevenueBase Database · checked Sep 28, 2026
10	US Software Professionals INC	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	11-50	36 contacts →
	Indirect evidence “USSP (US Software Professionals Inc) is a best in class IT consulting firm offering end to end service and implementation solutions to clients worldwide.” Source: RevenueBase Database · checked Sep 28, 2026
11	Nova Libra, INC	Indirect evidence	Chicago, United StatesHQ checked Sep 28, 2026	1-10	11 contacts →
	Indirect evidence “Nova Libra specializes in the maintenance and distribution of product information.” Source: RevenueBase Database · checked Sep 28, 2026
12	Scaled Solutions	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	11-50	9 contacts →
	Indirect evidence “Scaled Solutions is a Chicago-based independent business management consulting firm specializing in digital transformation and ERP implementation.” Source: RevenueBase Database · checked Sep 28, 2026
13	Eight-Bot, INC	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	1-10	7 contacts →
	Partial evidence “EIGHT BOT is NOT your traditional Enterprise development shop.” Source: RevenueBase Database · checked Sep 28, 2026
14	The Quimera Group	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	1-10	6 contacts →
	Indirect evidence “We are a Chicago based consultancy firm established in 2014 to help implement technology solutions for various business areas and industries.” Source: RevenueBase Database · checked Sep 28, 2026
15	Terra Bridge Innovations In Technology	Strong evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	11-50	6 contacts →
	Strong evidence “INFRASTRUCTURE TO ARTWORK TerraBridge Innovations in Technology is the industry leading expert in special systems integration.” Source: RevenueBase Database · checked Sep 28, 2026
16	Professional Innovations, INC	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	11-50	5 contacts →
	Partial evidence “Professional Innovations, Inc, is the leader in Business Intelligence, Data Warehousing and Enterprise Performance Management.” Source: RevenueBase Database · checked Sep 28, 2026
17	Teqlogica Corporation	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	51-200	4 contacts →
	Indirect evidence “Teqlogica Corporation is a growing minority-owned, company, in the business of IT services.” Source: RevenueBase Database · checked Sep 28, 2026
18	Rooksdm	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	11-50	3 contacts →
	Indirect evidence “We have found that professional services businesses are great at what they do but stifle their growth because they are stuck in manual processes.” Source: RevenueBase Database · checked Sep 28, 2026
19	C.A.S.T	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	1-10	3 contacts →
	Indirect evidence “CAST is a consulting company looking to help construction companies take their business to the next level through the use of technology.” Source: RevenueBase Database · checked Sep 28, 2026
20	Virgo Solutions	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	11-50	3 contacts →
	Indirect evidence “Virgo Solutions provides comprehensive customized IT solutions designed to adapt as your business expands.” Source: RevenueBase Database · checked Sep 28, 2026
21	JIVE	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	1-10	3 contacts →
	Partial evidence “Jive is the next generation of Aloi, ramping up our integration platform to a whole new level.” Source: RevenueBase Database · checked Sep 28, 2026
22	Onboard ERP	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	11-50	2 contacts →
	Indirect evidence “Onboard ERP, a part of Optimum Technology Transfer Ltd, support ERP transformation projects across the globe.” Source: RevenueBase Database · checked Sep 28, 2026
23	Infogenic Solutions	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	11-50	2 contacts →
	Indirect evidence “Infogenic Solutions specializes in software solutions and consulting services to help clients of all sizes and categories collect, analyze, share, and leverage critical business…” Source: RevenueBase Database · checked Sep 28, 2026
24	720 Worldwide INC	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	11-50	1 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
25	Apex Tech Consulting	Indirect evidence	Chicago, United StatesHQ checked Sep 28, 2026	1-10	1 contacts →
	Indirect evidence “We design and deliver integrated landscapes as foundations for powerful intelligence and analysis layers.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: enterprise system integration companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names enterprise system integration companies.
Partial evidence: Its own public description names part of enterprise system integration companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name enterprise system integration companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 83 enterprise system integration companies based in Chicago, United States

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Enterprise system integration companies based in Chicago, United States at a glance

As of Sep 28, 2026

24.6%Verified-email coverage

22.5Average contacts per company

11-50Median size (employees)

Sep 28, 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 83 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among enterprise system integration companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Chicago, United States whose own description of what they do matches “enterprise system integration companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names enterprise system integration companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among enterprise system integration companies, and records with no verified work email. Companies headquartered outside Chicago are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 458 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Enterprise system integration companies by metro in the United States

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names enterprise system integration companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many enterprise system integration companies are there based in Chicago, United States?

RevenueBase identified 83 enterprise system integration companies headquartered in Chicago, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Q1 Technologies, INC, headquartered in Chicago, tops this list with the largest team on record.

Which city in the United States has the most enterprise system integration companies?

Houston leads the United States with 142 headquartered companies, followed by New York (126) and Austin (111). Chicago has 83.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 458 verified decision-maker contacts tracked across these 83 companies.

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 Smart Search, 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.