Company lists · Data refreshed September 2026

Top 25 IT services companies based in Naperville, United States

Name: IT services companies based in Naperville, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 52 companies tracked

RevenueBase identified 52 company matches for IT services companies associated with Naperville, United States as of September 2026 and tracks 841 professional contacts across them, including 151 with verified work emails. Across the United States, New York is the largest hub for this category (667 companies); Naperville has 52.

This list covers company matches for IT services companies associated with Naperville, 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 4, 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 4, 2026 How this list was built

52Companies

841Contacts tracked

151Verified emails

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The 25 largest IT services companies based in Naperville, United States

Ranked by team size

Top 25 of 52 company matches for IT services companies based in Naperville, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 4, 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	Libsys INC	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	501-1,000	176 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
2	SRK Systems INC	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	51-200	74 contacts →
	Exact match “SRK is a global IT services provider delivering technology driven business solutions that meet strategic objectives of our clients.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
3	Indsoft	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	51-200	60 contacts →
	Exact match “IndSoft is one of the fastest growing consulting services companies that offers software solutions, staff augmentation and consulting services to a client base that includes…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
4	Webit Services, INC	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	11-50	44 contacts →
	Exact match “You rely on technology every day, but is it really working for you?” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
5	Ameritech Global INC	Exact match	Naperville, United StatesHQ recorded Sep 4, 2026	51-200	43 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
6	Outsource Solutions Group	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	11-50	42 contacts →
	Exact match “Outsource IT Solutions Group (OSG) is a full service IT development, networking, and IT maintenance company serving clients in Chicagoland area since 1998.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
7	ESOUL	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	51-200	40 contacts →
	Exact match “eSoul is the leading information technology consulting, services, and business process outsourcing organization that envisioned and pioneered the adoption of the flexible global…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
8	Ealliance Corporation	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	11-50	39 contacts →
	Exact match “eAlliance is a professional services firm with big company expertise and small company relationships, taking pride in agility and real time responsiveness.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
9	Optime-Tech LLC	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	51-200	31 contacts →
	Exact match “Optime-Tech is a certified Women-led Minority Enterprise & NMSDC.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
10	Keen Info Tek, INC	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	51-200	27 contacts →
	Exact match “Since 2005, Keen Info Tek, Inc.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
11	Solution Partners Services	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	51-200	21 contacts →
	Exact match “At Solution Partners Services, we offer a full range of IT services for any sized client, providing marketplace or customized solutions with the ability to deliver them wherever…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
12	Digitalis INC	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	11-50	21 contacts →
	Exact match “Digitialis Inc is a one stop shop that delivers tailor made, efficient, and cost effective IT solutions to steam roll your company’s technology front.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
13	Netra Technologies, INC	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	51-200	20 contacts →
	Exact match “Netra Technologies is a professional services firm delivering technology solutions to Global companies and government agencies since 1998.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
14	Ideal IT Solutions	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	11-50	14 contacts →
	Exact match “Ideal IT Solutions, headquartered in Illinois, is a professional Consulting, IT and ITES solution provider firm that builds technology prototypes and products for global…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
15	Re-Quest, INC	Exact match	Naperville, United StatesHQ recorded Sep 4, 2026	11-50	11 contacts →
	Exact match “Founded in 2003, Re-Quest, Inc.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
16	SR International Incorporation	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	11-50	9 contacts →
	Exact match “Established in 2002, SR International Inc is one of the fastest growing and reputed providers of Information Technology Services and Solutions in United States.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
17	Recruit22	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	11-50	7 contacts →
	Exact match “recruit22 is a founder-led IT staffing and technology services firm built on a simple belief: trust over transaction.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
18	Capb Infotek	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	51-200	7 contacts →
	Exact match “CapB is a global leader in providing IT and Management consulting solutions to Fortune 500 organizations & state and local governments.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
19	Nanna Networks INC	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	11-50	6 contacts →
	Exact match “Nanna Networks Inc.(Nanna) is a comprehensive IT consulting company with core competencies in Cloud & Infrastructure, Cybersecurity, Business Intelligence, and Helpdesk services.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
20	ONE Global Info Systems	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	11-50	6 contacts →
	Exact match “One Global is customer-centric transformational IT solutions and staffing partner.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
21	Ayana Technical Services, INC	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	11-50	4 contacts →
	Exact match “Ayana Technical Services is a specialized global professional services company that provides technology consulting for a wide spectrum of business needs.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
22	MKS Technology INC	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	1-10	3 contacts →
	Exact match “Satisfy a variety of your business computing needs with services from our IT consulting firm in Naperville, Illinois.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
23	Smart Caliber Technology	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	11-50	2 contacts →
	Exact match “ntroduction We are a global Information Technology sourcing and services company, providing comprehensive solutions across the entire IT spectrum.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
24	101 Digital	Exact match	Naperville, IL, United StatesHQ recorded Sep 4, 2026	11-50	1 contacts →
	Exact match “101 Digital is a Managed IT provider that manages IT services, vendors, software and hardware for small and medium sized businesses.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
25	Niedziela Solutions, LLC	Exact match	Naperville, United StatesHQ recorded Sep 4, 2026	1-10	1 contacts →
	Exact match “We provide small businesses with quality software support and maintenance services tailored to their unique needs.” Recorded in the RevenueBase company graph · Sep 4, 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 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 52 IT services companies based in Naperville, United States

See the full list, filter by size, metro and specialty, and access 151 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT services companies based in Naperville, United States at a glance

As of Sep 4, 2026

18.0%Verified-email coverage

16.2Average contacts per company

11-50Median size (employees)

Sep 4, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

Email recency for this list is measured across the whole United States list rather than for Naperville, so it is reported there. Company counts and contact totals on this page are exact for Naperville, over 52 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 Naperville, United States whose business descriptions match “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 151 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 4, 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 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 services companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 52 company matches for IT services companies associated with Naperville, 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?

Libsys INC 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 companies?

New York leads the United States with 667 company records, followed by Houston (408) and Austin (303). Naperville has 52.

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 151 professional contacts with verified work emails tracked across these 52 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 4, 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.