Company lists · Data refreshed September 2026

Top 25 Tx IT services companies based in Chicago, United States

Name: Tx IT services 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 21, 2026 153 companies tracked

RevenueBase identified 153 company matches for tx IT services companies associated with Chicago, United States as of September 2026 and tracks 1,753 professional contacts across them, including 616 with verified work emails. Across the United States, New York is the largest hub for this category (346 companies); Chicago has 153.

This list covers company matches for tx IT services 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 21, 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 21, 2026 How this list was built

153Companies

1,753Contacts tracked

616Verified emails

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The 25 largest tx IT services companies based in Chicago, United States

Ranked by team size

Top 25 of 153 company matches for tx IT services companies based in Chicago, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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	Ascend Technologies	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	201-500	319 contacts →
	Exact match “We're an award-winning Technology Solution Provider dedicated to safeguarding organizations across the United States.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Glotel, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
3	Access ONE INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
4	Empist	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
5	Crossrealms International	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	51-200	88 contacts →
	Exact match “CrossRealms International is a Cybersecurity-First company operating across the United States, Europe, MENA region, and Asia.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	F3 Technologies INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	51-200	81 contacts →
	Exact match “The F3 Mission F3 Technologies, Inc.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Entara	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	51-200	69 contacts →
	Exact match “Experiencing a security incident?” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Framework IT	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
9	MIS Computer MSP	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	11-50	40 contacts →
	Exact match “MIS Computer: More Than An MSP.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	NPO USA INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	51-200	37 contacts →
	Exact match “We are NPO USA!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Smart Technology Services, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
12	Vbridge Global LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	11-50	23 contacts →
	Exact match “VBridgeGlobal LLC is a niche IT Services and Consulting organization in Illinois.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Micro-Tech USA	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	11-50	20 contacts →
	Exact match “Welcome to Micro-Tech U.S.A!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Friendly Solutions Corp	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
15	CSC Consulting Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
16	Computing Technology Solutions	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
17	Nectel Technologies, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	n/a	14 contacts →
	Exact match “One of the top IT companies in Chicago.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	IT Risk Managers LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
19	Davis Powers	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	11-50	11 contacts →
	Exact match “For over 20 years, Davis Powers has been a trusted technology solutions provider committed to making sure business owners have the most reliable and professional IT services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Protek-It	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	11-50	10 contacts →
	Exact match “INTELLIGENTLY TAILORED IT.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Firelogic	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
22	Layer 7 Systems	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	11-50	10 contacts →
	Exact match “We want to be your IT Department!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Birds On A Cable	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	1-10	9 contacts →
	Exact match “Birds on a Cable is a Chicago based Information Technology company.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Cyber Bark LLC	Exact match	Chicago, United StatesHQ recorded Sep 21, 2026	51-200	7 contacts →
	Exact match “At Cyber Bark, we bring 100 years of collective experience to the table, serving businesses across the US from our base in Illinois.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Demakis Technologies	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	11-50	7 contacts →
	Exact match “At Demakis Technologies, we fully protect your business with our IT managed Services and Solutions; from system maintenance to cyber security, to data backup & recovery, we will…” Recorded in the RevenueBase company graph · Sep 21, 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 “tx IT services 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 153 tx IT services companies based in Chicago, United States

See the full list, filter by size, metro and specialty, and access 616 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tx IT services companies based in Chicago, United States at a glance

As of Sep 21, 2026

35.1%Verified-email coverage

11.5Average contacts per company

11-50Median size (employees)

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 153 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 “tx IT services 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 616 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 21, 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.

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

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

RevenueBase identified 153 company matches for tx IT services 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?

Ascend Technologies 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 tx IT services companies?

New York leads the United States with 346 company records, followed by Houston (241) and Miami (154). Chicago has 153.

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 616 professional contacts with verified work emails tracked across these 153 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 21, 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.