Top 100 IT Services Companies in Illinois
The Best of November 2024
Looking for a top IT services company in Illinois?
For your company to grow, it is essential to choose the best technology. Hiring an innovative IT services provider is the easiest way to ensure that you are making the best use of technology, increasing sales, and staying one step ahead of the competition.
To assist you in your search for a partner, we’ve compiled this list of the top IT consultants in Illinois. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
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List of the Best Illinois IT Companies
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Featured providers
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- $10,000+
- 50 - 249 employees
- Niš, Serbia
Read MoreIngsoftware is a full-cycle software development company from Southern Europe with representatives in Austria, Netherlands, United States, and Zimbabwe. Founded in 2009, they are now over 100 people strong, and provide product development services: discovery & consulting; web and mobile development, UI/UX design, and support & maintenance. Ingsoftware works with enterprise organizations and startups from fintech, precious metals, IoT & wearables, and automotive industries.
Industries
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- $25,000+
- 250 - 999 employees
- Los Angeles, CA
Read MoreNearsure is a web development agency that has been offering web development, IT staff augmentation, and AI services to their clients since 2018. Their 50 employees are based out of Hollywood, Calif., as well as Costa Rica, Colombia, Venezuela, Bolivia, and Uruguay.
Industries
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151
- $5,000+
- 50 - 249 employees
- Chicago, IL
PSM Partners is an IT managed services company. They are headquartered in Chicago, Illinois and have midsize team of experts. Their services include IT managed services and cloud consulting & SI.Read MoreIndustries
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152
- Undisclosed
- 10,000+ employees
- Chicago, IL
BDO is a large ERP consulting and SI company established in 1963. Their team offers ERP consulting and SI and Cybersecurity.Read More -
153
- Undisclosed
- 10,000+ employees
- Chicago, IL
Founded in 1993, Thoughtworks Software Technologies Ltd is a large Chicago, Illinois-based AI company. Their team offers Artificial Intelligence and IT managed services.Read MoreIndustries
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154
- Undisclosed
- 10 - 49 employees
- Chicago, IL
Bluefin is a Chicago, Illinois-based unified communications consulting & SI company. Their services include unified communications consulting & SI and ERP consulting and SI.Read More -
155
- $1,000+
- 10 - 49 employees
- Lake in the Hills, IL
Based in Lake in the Hills, Illinois and Mesa, Arizona, Technologyville, Inc. Is an IT managed services company. They provide IT managed services and cloud consulting & SI and were founded in 2004.Read MoreIndustries
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156
- Undisclosed
- 50 - 249 employees
- Lisle, IL
Advanced Telecommunications of Illinois is a call center company based in Lisle, Illinois. The team specializes in Call Center Services and cloud consulting & SI.Read More -
157
- Undisclosed
- 50 - 249 employees
- Elgin, IL
D&S Communications is a phone answering service located in Elgin, Illinois. Their services include Call Center Services and IT managed services.Read More -
158
- Undisclosed
- 2 - 9 employees
- Chicago, IL
Firefly Network Services is a Chicago, Illinois-based IT strategy consulting company. Established in 2008, the team specializes in IT strategy consulting.Read More -
159
- $5,000+
- 2 - 9 employees
- Chicago, IL
RooksDM, an IT strategy consulting company, was launched in 2014. The firm provides IT strategy consulting and cloud consulting & SI.Read MoreIndustries
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160
- $5,000+
- 2 - 9 employees
- Wheaton, IL
IT managed services company OverDrive IT was established in 2000. The agency provides IT managed services and Cybersecurity.Read More -
161
- $1,000+
- 50 - 249 employees
- Willowbrook, IL
Application Management & Support company ESPO Engineering Corp. Provides Application Management & Support and IT managed services. They are located in Willowbrook, Illinois.Read MoreIndustries
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162
- $5,000+
- 10 - 49 employees
- Chicago, IL
Net Works Consulting Resources is a Chicago, Illinois-based IT managed services company. They offer IT managed services and Cybersecurity and were established in 1997.Read MoreIndustries
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163
- Undisclosed
- 10 - 49 employees
- Arlington Heights, IL
Transforming Solutions, Inc. Is an unified communications consulting & SI company. Founded in 1995, the agency focuses on unified communications consulting & SI and ERP consulting and SI.Read More -
164
- Undisclosed
- 10 - 49 employees
- Rolling Meadows, IL
Infiniwiz is an IT managed services company. The Rolling Meadows, Illinois-based firm provides IT managed services and IT strategy consulting.Read More -
165
- $1,000+
- 10 - 49 employees
- Chicago, IL
Klein Consulting, LLC is a Chicago, Illinois-based business intelligence company. Their services include BI & big data consulting & SI and CRM consulting and SI.Read More -
166
- Undisclosed
- 50 - 249 employees
- Chicago, IL
The William Everett Group is a software development company. Based in Chicago, Illinois, the team specializes in Custom Software Development and ERP consulting and SI.Read More -
167
- Undisclosed
- 250 - 999 employees
- Arlington Heights, IL
IT strategy consulting company Advan Soft International is located in Arlington Heights, Illinois. The team focuses on IT strategy consulting.Read More -
168
- Undisclosed
- 50 - 249 employees
- Arlington Heights, IL
Venstar Technology Inc is a big data company and IT strategy consulting company founded in 2007. The agency focuses on BI & big data consulting & SI and IT strategy consulting, and is midsize.Read More -
169
- $5,000+
- 2 - 9 employees
- Rosemont, IL
Vision96 is a small Rosemont, Illinois-based IT strategy consulting company. Their services include IT strategy consulting and unified communications consulting & SI.Read More -
170
- Undisclosed
- 10 - 49 employees
- Des Plaines, IL
IT strategy consulting company JensenIT was established in 1991. Headquartered in Des Plaines, Illinois, the team focuses on IT strategy consulting and Web Design.Read More -
171
- Undisclosed
- 10 - 49 employees
- Lombard, IL
IT managed services company OCIE by Donnell Systems, Inc. Provides IT managed services. They are based in Lombard, Illinois.Read More -
172
- Undisclosed
- 10 - 49 employees
- Mount Prospect, IL
Business Solutions Group, LLC, an IT managed services company, was founded in 2009. The small team focuses on IT managed services and cloud consulting & SI.Read More -
173
- Undisclosed
- 10 - 49 employees
- Downers Grove, IL
ZLan Partners is a Downers Grove, Illinois-based IT strategy consulting company. They specialize in IT strategy consulting and cloud consulting & SI and were founded in 2007.Read More -
174
- Undisclosed
- 10 - 49 employees
- Peoria, IL
Facet Technologies, Inc. Is a Cybersecurity and IT managed services company. They provide Cybersecurity and IT managed services and were founded in 1989. The firm is headquartered in Peoria, Illinois.Read More -
175
- $1,000+
- 10 - 49 employees
- Lake Barrington, IL
ExcalTech is an IT managed services company founded in 1994. Their services include IT managed services and Web Design.Read MoreClients
- NSA Media
Industries
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176
- Undisclosed
- 250 - 999 employees
- Lisle, IL
CRM consulting and SI and Customer Service Outsourcing company AST LLC was launched in 1995. The firm specializes in CRM consulting and SI and Customer Service Outsourcing, and is midsize.Read More -
177
- Undisclosed
- 10 - 49 employees
- Buffalo Grove, IL
Hodgson Consulting & Solutions is an IT managed services company. The Buffalo Grove, Illinois-based company was established in 2000. Their team provides IT managed services and cloud consulting & SI.Read More -
178
- Undisclosed
- 50 - 249 employees
- Wilmette, IL
IT strategy consulting company Precise Solutions is in Wilmette, Illinois. They specialize in IT strategy consulting and Staffing.Read More -
179
- Undisclosed
- 50 - 249 employees
- Hoffman Estates, IL
Located in Hoffman Estates, Illinois, COMNET GROUP INC. Is an IT strategy consulting and IT staff augmentation company. Their services include IT strategy consulting and IT staff augmentation.Read More -
180
- $10,000+
- 10 - 49 employees
- Warrenville, IL
Xcelpros Technologies Pvt. Ltd. Is a CRM consulting and SI company. The Warrenville, Illinois-based agency was launched in 2011. Their services include CRM consulting and SI and ERP consulting and SI.Read MoreIndustries
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