Company lists · Data refreshed September 2026

Top 14 IT services consulting firms based in Downers Grove, United States

Name: IT services consulting firms based in Downers Grove, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 26 companies tracked

RevenueBase identified 26 company matches for IT services consulting firms associated with Downers Grove, United States as of September 2026 and tracks 4,430 professional contacts across them, including 2,778 with verified work emails. Across the United States, New York is the largest hub for this category (1,398 companies); Downers Grove has 26.

This list covers company matches for IT services consulting firms associated with Downers Grove, 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

26Companies

4,430Contacts tracked

2,778Verified emails

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The 14 largest IT services consulting firms based in Downers Grove, United States

Ranked by team size

Top 14 of 26 company matches for IT services consulting firms based in Downers Grove, 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	Ensono	Exact match	Downers Grove, IL, United StatesHQ recorded Sep 27, 2026	1,001-5,000	3,247 contacts →
	Exact match “Ensono is an expert technology adviser and managed service provider.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	Sentinel Technologies	Exact match	Downers Grove, IL, United StatesHQ recorded Sep 27, 2026	501-1,000	779 contacts →
	Exact match “When it comes to achieving a tangible ROI and sustainable performance from your IT environment, Sentinel takes the lead.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3	Strategic Solutions, INC	Exact match	Downers Grove, IL, United StatesHQ recorded Sep 27, 2026	51-200	78 contacts →
	Exact match “Strategic Solutions, Inc.(SSI) is a managed IT service provider and consulting firm focused on filling the information technology needs of business.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4	BTI Communications Group	Exact match	Downers Grove, IL, United StatesHQ recorded Sep 27, 2026	51-200	55 contacts →
	Exact match “For more than 35 years, BTI Communications Group has been on the leading edge of megatrends in communications, technology, and business that lead to less centralization, more…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	Mindsight	Exact match	Downers Grove, IL, United StatesHQ recorded Sep 27, 2026	51-200	47 contacts →
	Exact match “Mindsight is an extension of your team.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	VAST	Exact match	Downers Grove, IL, United StatesHQ recorded Sep 27, 2026	11-50	43 contacts →
	Exact match “VAST is known for deep expertise in data protection and optimizing on-premise computing and cloud services.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	Aqueity	Exact match	Downers Grove, IL, United StatesHQ recorded Sep 27, 2026	11-50	42 contacts →
	Exact match “Aqueity provides IT services to businesses throughout Chicagoland.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	Verity IT	Exact match	Downers Grove, IL, United StatesHQ recorded Sep 27, 2026	11-50	36 contacts →
	Exact match “We are Verity IT, your trusted partner in managed IT services, cybersecurity, and cloud solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9	Magenium	Exact match	Downers Grove, IL, United StatesHQ recorded Sep 27, 2026	51-200	28 contacts →
	Exact match “Magenium Solutions is the Chicago IT services firm dedicated to delivering technology solutions that solve problems and move business forward, making us a trusted partner to…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	Savvy Technology Solutions LLC	Exact match	Downers Grove, IL, United StatesHQ recorded Sep 27, 2026	11-50	21 contacts →
	Exact match “SAVVY Technology Solutions is an IT service provider and reseller serving Public Sector and Commercial clients.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	Alert IT Solutions, INC	Exact match	Downers Grove, IL, United StatesHQ recorded Sep 27, 2026	201-500	18 contacts →
	Exact match “Established since 1994, Alert IT Solutions, Inc.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	Noor Consulting Group	Exact match	Downers Grove, IL, United StatesHQ recorded Sep 27, 2026	11-50	5 contacts →
	Exact match “Noor Consulting Group delivers innovative, tailored solutions and managed services, leveraging our deep expertise in IT, security, automation, AI, and Microsoft technologies.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	Compli	Exact match	Downers Grove, IL, United StatesHQ recorded Sep 27, 2026	1-10	4 contacts →
	Exact match “compli is your strategic partner for thriving in highly regulated industries.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	Wsec Consulting LLC	Exact match	Downers Grove, IL, United StatesHQ recorded Sep 27, 2026	1-10	1 contacts →
	Exact match “Wsec Consulting provides comprehensive cybersecurity consulting services to small-medium businesses.” 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 services consulting firms”. 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 26 IT services consulting firms based in Downers Grove, United States

See the full list, filter by size, metro and specialty, and access 2,778 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT services consulting firms based in Downers Grove, United States at a glance

As of Sep 27, 2026

62.7%Verified-email coverage

170.4Average contacts per company

11-50Median size (employees)

Sep 27, 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 Downers Grove, so it is reported there. Company counts and contact totals on this page are exact for Downers Grove, over 26 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 Downers Grove, United States whose business descriptions match “IT services consulting firms” 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 2,778 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 services consulting firms 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 services consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT services consulting firms are there based in Downers Grove, United States?

RevenueBase identified 26 company matches for IT services consulting firms associated with Downers Grove, 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?

Ensono 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 services consulting firms?

New York leads the United States with 1,398 company records, followed by Houston (870) and Atlanta (682). Downers Grove has 26.

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 2,778 professional contacts with verified work emails tracked across these 26 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.