Top 100 IT Services Companies in Illinois
The Best of December 2025Looking 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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$5,000+50 - 249 employeesGaithersburg, MDRead More
DesignDATA is an IT managed services company. Established in 1979, the midsize agency is headquartered in Gaithersburg, Maryland and Washington, District of Columbia. Their services include IT managed services, IT strategy consulting, cloud consulting & SI, and Cybersecurity.
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$1,000+50 - 249 employeesNaperville, ILRead More
BetterWorld Technology is a midsize IT managed services company launched in 2003. Their services include IT managed services, Cybersecurity, IT strategy consulting, and Compliance Consulting. The company is headquartered in Naperville, Illinois; Naperville, Illinois; Winter Park, Florida and Denver, Colorado.
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601Undisclosed250 - 999 employeesSchaumburg, ILIT managed services and other IT consulting and SI company Next Generation Technology is located in Schaumburg, Illinois. The team offers IT managed services and other IT consulting and SI.Read More
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602Undisclosed2 - 9 employeesDecatur, ILNetwork Solutions Unlimited is an IT managed services company located in Decatur, Illinois. They focus on IT managed services and were founded in 2013.Read More
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603Undisclosed2 - 9 employeesDecatur, ILDecatur Computers Inc. Is an IT managed services company in Decatur, Illinois. They focus on IT managed services and were launched in 2001.Read More
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604Undisclosed10 - 49 employeesHanover Park, ILFounded in 2008, Soft Teches Inc is an IT strategy consulting company. The team focuses on IT strategy consulting and IT staff augmentation.Read More
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605Undisclosed2 - 9 employeesWheeling, ILYZ Square is a small IT strategy consulting company in Wheeling, Illinois. The team specializes in IT strategy consulting and cloud consulting & SI.Read More
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606Undisclosed2 - 9 employeesChampaign, ILSmall cloud consulting & SI and IT managed services company Practical Technology Services, is based in Champaign, Illinois. The team provides cloud consulting & SI and IT managed services.Read More
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607Undisclosed2 - 9 employeesChampaign, ILSmall cloud consulting & SI and IT managed services company CloudShark 360, is headquartered in Champaign, Illinois. Their services include cloud consulting & SI and IT managed services.Read More
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608Undisclosed2 - 9 employeesMundelein, ILFounded in 2006, Cloudnet360 is a CRM consulting and SI company. Their team provides CRM consulting and SI.Read More
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609Undisclosed2 - 9 employeesGurnee, ILIT managed services and IT strategy consulting company Partner Tek, Inc. Was established in 2008. The firm provides IT managed services and IT strategy consulting.Read More
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610Undisclosed2 - 9 employeesSpringfield, ILNovanis I.T. Solutions is a small IT managed services and Cybersecurity company located in Springfield, Illinois. Their services include IT managed services and Cybersecurity.Read More
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611Undisclosed10 - 49 employeesSpringfield, ILLocated in Springfield, Illinois, BLH Computers is a small IT managed services and Cybersecurity company. Their services include IT managed services and Cybersecurity.Read More
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612Undisclosed10 - 49 employeesSpringfield, ILRexx Battery Company is a small Springfield, Illinois-based IT managed services and Cybersecurity company. Their services include IT managed services and Cybersecurity.Read More
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613Undisclosed2 - 9 employeesGlen Ellyn, ILSchoening Technology Group Inc is an IT strategy consulting company. The Glen Ellyn, Illinois-based agency was established in 2012. Their team specializes in IT strategy consulting.Read More
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614Undisclosed2 - 9 employeesCarbondale, ILSINC / SI Network Consultants is a cloud consulting & SI and IT managed services company. The Carbondale, Illinois-based team offers cloud consulting & SI and IT managed services.Read More
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615Undisclosed2 - 9 employeesElgin, ILFerrum Technology Services is an IT managed services company. Their small team is located in Elgin, Illinois. Their services include IT managed services.Read More
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616Undisclosed2 - 9 employeesElgin, ILSynset Technologies is a small Elgin, Illinois-based IT managed services company. The team provides IT managed services.Read More
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617Undisclosed2 - 9 employeesElgin, IL79 Ratio is an Elgin, Illinois-based IT managed services company. They offer IT managed services.Read More
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618Undisclosed2 - 9 employeesElgin, ILRGS IT Consulting is an IT managed services company located in Elgin, Illinois. Their services include IT managed services.Read More
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619Undisclosed2 - 9 employeesElgin, ILLocated in Elgin, Illinois, Pro Technologies, Inc. Is a small IT managed services company. Their services include IT managed services.Read More
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620Undisclosed2 - 9 employeesElgin, ILModern Business Computing is an IT managed services company. The Elgin, Illinois-based firm was founded in 1992. Their team provides IT managed services.Read More
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621Undisclosed10 - 49 employeesTinley Park, ILSoftware Tech Enterprises, Inc. Is a small custom software development firm in Tinley Park, Illinois. The team provides Custom Software Development and BI & big data consulting & SI.Read More
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622Undisclosed10,000+ employeesLisle, ILHGS - Hinduja Global Solutions is a data analytics company. Their large team is in Lisle, Illinois. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
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623Undisclosed10 - 49 employeesAurora, ILFeinberg & York Inc is an IT strategy consulting company. They are in Aurora, Illinois and have small team of experts. Their services include IT strategy consulting and Cybersecurity.Read More
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624Undisclosed10 - 49 employeesMokena, ILReachOut Technology is a Cybersecurity company. The small Mokena, Illinois-based team specializes in Cybersecurity and IT managed services. The company was established in 2010.Read More
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625Undisclosed2 - 9 employeesLincoln, ILCommon Sense Security is a Cybersecurity company. The company is based in Lincoln, Illinois. Their services include Cybersecurity.Read More
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626Undisclosed2 - 9 employeesGlenview, ILCXponent is a big data analytics company. They are located in Glenview, Illinois and have small team. They provide BI & big data consulting & SI and Cybersecurity.Read More
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627Undisclosed2 - 9 employeesChicago, ILCloud Source is a cloud consulting & SI company. Based in Chicago, Illinois, their team provides cloud consulting & SI.Read More
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628Undisclosed50 - 249 employeesChicago, ILEntara is a Cybersecurity and IT managed services company based in Chicago, Illinois. They specialize in Cybersecurity and IT managed services.Read More
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629Undisclosed50 - 249 employeesLisle, ILLaunched in 2018, Optivent Group Inc. Is a custom software development company. The team focuses on Custom Software Development and cloud consulting & SI.Read More
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630Undisclosed2 - 9 employeesChicago, ILData Sapients is a big data analytics company founded in 2023. In Chicago, Illinois, the team offers BI & big data consulting & SI and Artificial Intelligence.Read More
Industries
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Schedule ConsultationMost Reviewed IT Services Company in Illinois
Check out an IT Services Company in Illinois with the most new reviews in the past 12 months.
Most Reviewed
IT Services Company
Illinois
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