Top 100 IT Services Companies in Illinois
The Best of June 2026Looking 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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301Undisclosed10 - 49 employeesRolling Meadows, ILSoftware development company Creative Designs Agency was founded in 2023. The firm provides Custom Software Development and IT strategy consulting.Read More
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302$1,000+10 - 49 employeesWheaton, ILERP consulting and SI company Merit Solutions is based in Wheaton, Illinois and Wheaton, Illinois. They specialize in ERP consulting and SI and were founded in 1999.Read More
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303Undisclosed10 - 49 employeesChicago, ILFounded in 2009, Dynamic Consulting is an ERP consulting and SI company. The company specializes in ERP consulting and SI and CRM consulting and SI, and is small.Read More
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304Undisclosed10 - 49 employeesChicago, ILEquilibrium IT Solutions is an IT managed services company. Their team is in Chicago, Illinois and provides IT managed services and CRM consulting and SI.Read More
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305Undisclosed50 - 249 employeesTinley Park, ILEstablished in 1991, ProviNET Solutions, a midsize software development firm, is located in Tinley Park, Illinois. Their services include Custom Software Development and cloud consulting & SI.Read More
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306$5,000+50 - 249 employeesChicago, ILFounded in 2006, SingleHop is an IT managed services company. Their team provides IT managed services and cloud consulting & SI.Read More
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307$5,000+2 - 9 employeesChicago, ILLeapfrog Technology Group, Inc is a small IT managed services company located in Chicago, Illinois. Their services include IT managed services and cloud consulting & SI.Read More
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308$5,000+10 - 49 employeesItasca, ILIn Itasca, Illinois and Wauwatosa, Wisconsin, MotherG is a small IT managed services company. The team offers IT managed services and IT strategy consulting.Read More
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309$5,000+50 - 249 employeesOakbrook Terrace, ILPeters & Associates, a midsize IT managed services company, is in Oakbrook Terrace, Illinois. Their services include IT managed services and cloud consulting & SI.Read More
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310$5,000+250 - 999 employeesBloomington, ILSTL is an IT managed services company. Their midsize team is based in Bloomington, Illinois and Ghana. Their services include IT managed services and cloud consulting & SI.Read More
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311$5,000+1,000 - 9,999 employeesChicago, ILTrustwave is a large IT managed services and Cybersecurity company in Chicago, Illinois and Brazil. Their services include IT managed services and Cybersecurity.Read More
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312$10,000+10 - 49 employeesNaperville, ILLocated in Naperville, Illinois, Solutions Group is a small cloud consulting & SI company. Their services include cloud consulting & SI and IT managed services.Read More
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313$10,000+50 - 249 employeesOakbrook Terrace, ILHi-Tech Solutions, an IT strategy consulting and IT staff augmentation company, is located in Oakbrook Terrace, Illinois. They offer IT strategy consulting and IT staff augmentation.Read More
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314$1,000+1,000 - 9,999 employeesLombard, ILAspect is a call center service. The Phoenix, Arizona-based firm was established in 1973. Their services include Call Center Services and cloud consulting & SI.Read More
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315$1,000+250 - 999 employeesChicago, ILCloud5 Communications is an IT managed services company established in 2006. Their team provides IT managed services and Call Center Services.Read More
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316$10,000+50 - 249 employeesChicago, ILFounded in 2013, Civis Analytics is a big data analytics company. Their team specializes in BI & big data consulting & SI and Custom Software Development.Read More
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317$10,000+50 - 249 employeesChicago, ILIn Chicago, Illinois and Bloomington, Illinois, STA Group is a big data analytics company. Launched in 2002, the team focuses on BI & big data consulting & SI and cloud consulting & SI.Read More
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318$25,000+50 - 249 employeesChicago, ILLaunched in 1997, Burwood Group, Inc. Is a midsize cloud consulting & SI company. Their team offers cloud consulting & SI and unified communications consulting & SI.Read More
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319$1,000+250 - 999 employeesChicago, ILCoberon Chronos Group is an IT managed services company based in Chicago, Illinois. Their services include IT managed services and Back Office Outsourcing.Read More
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320$5,000+1,000 - 9,999 employeesOak Brook, ILCIeNET Technologies, a large custom software development company, is in Beijing, China and Oak Brook, Illinois. Their services include Custom Software Development and Enterprise App Modernization.Read More
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321Undisclosed10 - 49 employeesChicago, ILBluefin is a Chicago, Illinois-based unified communications consulting & SI company. Their services include unified communications consulting & SI and ERP consulting and SI.Read More
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322Undisclosed50 - 249 employeesLisle, ILAdvanced 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
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323Undisclosed50 - 249 employeesElgin, ILD&S Communications is a Product Design company in Elgin, Illinois. They specialize in Product Design and cloud consulting & SI and were established in 1986.Read More
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324Undisclosed2 - 9 employeesChicago, ILFirefly Network Services is a Chicago, Illinois-based IT strategy consulting company. Established in 2008, the team specializes in IT strategy consulting.Read More
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325Undisclosed50 - 249 employeesChicago, ILThe 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
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326Undisclosed250 - 999 employeesArlington Heights, ILIT strategy consulting company Advan Soft International is located in Arlington Heights, Illinois. The team focuses on IT strategy consulting.Read More
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327Undisclosed50 - 249 employeesArlington Heights, ILVenstar 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
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328Undisclosed10 - 49 employeesDes Plaines, ILIT 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
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329Undisclosed10 - 49 employeesLombard, ILIT managed services company OCIE by Donnell Systems, Inc. Provides IT managed services. They are based in Lombard, Illinois.Read More
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330Undisclosed10 - 49 employeesMount Prospect, ILBusiness 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
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Check out an IT Services Company in Illinois with the most new reviews in the past 12 months.
Most Reviewed
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