Company lists · Data refreshed September 2026

Top 14 IT software consulting companies based in Oak Brook, United States

Name: IT software consulting companies based in Oak Brook, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 28 companies tracked

RevenueBase identified 28 company matches for IT software consulting companies associated with Oak Brook, United States as of September 2026 and tracks 2,831 professional contacts across them, including 605 with verified work emails. Across the United States, New York is the largest hub for this category (872 companies); Oak Brook has 28.

This list covers company matches for IT software consulting companies associated with Oak Brook, 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 27, 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 27, 2026 How this list was built

28Companies

2,831Contacts tracked

605Verified emails

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The 14 largest IT software consulting companies based in Oak Brook, United States

Ranked by team size

Top 14 of 28 company matches for IT software consulting companies based in Oak Brook, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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	Cienet Technologies	Exact match	Oak Brook, IL, United StatesHQ recorded Sep 27, 2026	1,001-5,000	701 contacts →
	Exact match “CIeNET Technologies is a leading technology service provider in the areas of technical consulting, software engineering and solution services.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	Tenpath	Exact match	Oak Brook, IL, United StatesHQ recorded Sep 27, 2026	n/a	676 contacts →
	Exact match “Headquartered in the United States, Tenpath Solutions is a multinational leader in outsourced IT Professional Services.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3	Senecaglobal	Exact match	Oak Brook, IL, United StatesHQ recorded Sep 27, 2026	201-500	358 contacts →
	Exact match “SenecaGlobal is a world-class software development and technical advisory firm, focused on middle-market clients.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4	True Group, INC	Exact match	Oak Brook, IL, United StatesHQ recorded Sep 27, 2026	201-500	245 contacts →
	Exact match “True is a transformative solutions provider and integrator… but what does that really say about True?” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	Burwood Group	Exact match	Oak Brook, IL, United StatesHQ recorded Sep 27, 2026	201-500	223 contacts →
	Exact match “The urgent need for technology to solve business problems more efficiently, decrease costs, and mitigate risk has increased.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	Pmsquare	Exact match	Oak Brook, IL, United StatesHQ recorded Sep 27, 2026	51-200	87 contacts →
	Exact match “PMsquare is a Business Consulting and Technology Services company specializing in data, analytics, cloud transformation, and AI-powered solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	Resource 1, INC	Exact match	Oak Brook, IL, United StatesHQ recorded Sep 27, 2026	51-200	48 contacts →
	Exact match “Resource 1 is a privately held national consulting firm established in 1982 with Corporate Headquarters and Technology Center in Oak Brook, Illinois.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	Geneca	Exact match	Oak Brook, IL, United StatesHQ recorded Sep 27, 2026	51-200	47 contacts →
	Exact match “20 years ago, Geneca was born as a technology consulting firm, fueled by the conviction that technology investments are judged by the business benefit it delivers.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9	Windval Technology Solutions LLC	Exact match	Oak Brook, IL, United StatesHQ recorded Sep 27, 2026	11-50	23 contacts →
	Exact match “Advisory Consulting is the intersection of Management Consulting and Technology Expertise.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	Hitechpeople INC	Exact match	Oak Brook, United StatesHQ recorded Sep 27, 2026	11-50	21 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	Xcelacore	Exact match	Oak Brook, IL, United StatesHQ recorded Sep 27, 2026	11-50	12 contacts →
	Exact match “Xcelacore is a technology consulting firm that helps businesses across industries get the most out of technology with flexibility, quality, and for less.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	Meridian Technology Solutions INC	Exact match	Oak Brook, IL, United StatesHQ recorded Sep 27, 2026	51-200	11 contacts →
	Exact match “Meridian Technology Solutions is a leading information technology solutions company that specializes in providing industry-focused business solutions and services to clients…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	Manageforce, A Centrilogic Company	Exact match	Oak Brook, IL, United StatesHQ recorded Sep 27, 2026	51-200	7 contacts →
	Exact match “ManageForce, a Centrilogic company, helps organizations transform operational data, improve business agility, and maximize performance.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	IS Consulting Services, LLC	Exact match	Oak Brook, IL, United StatesHQ recorded Sep 27, 2026	11-50	4 contacts →
	Exact match “Technology should inspire confidence-not create uncertainty.” Recorded in the RevenueBase company graph · Sep 27, 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 software consulting 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 14 of 28 IT software consulting companies based in Oak Brook, United States

See the full list, filter by size, metro and specialty, and access 605 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT software consulting companies based in Oak Brook, United States at a glance

As of Sep 27, 2026

21.4%Verified-email coverage

101.1Average contacts per company

51-200Median size (employees)

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Oak Brook, so it is reported there. Company counts and contact totals on this page are exact for Oak Brook, over 28 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 Oak Brook, United States whose business descriptions match “IT software consulting 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 605 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 27, 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 software consulting 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 software consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT software consulting companies are there based in Oak Brook, United States?

RevenueBase identified 28 company matches for IT software consulting companies associated with Oak Brook, 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?

Cienet 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 IT software consulting companies?

New York leads the United States with 872 company records, followed by Houston (531) and Austin (466). Oak Brook has 28.

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 605 professional contacts with verified work emails tracked across these 28 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 27, 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.