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.
Jump to Most Reviewed Companies
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.
Industries
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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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301$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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302$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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303$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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304$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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305$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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306$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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307$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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308$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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309Undisclosed10 - 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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310Undisclosed50 - 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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311Undisclosed50 - 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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312Undisclosed2 - 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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313Undisclosed50 - 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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314Undisclosed250 - 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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315Undisclosed50 - 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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316Undisclosed10 - 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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317Undisclosed10 - 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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318Undisclosed10 - 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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319Undisclosed250 - 999 employeesLisle, ILCRM 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
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320Undisclosed50 - 249 employeesWilmette, ILIT strategy consulting company Precise Solutions is in Wilmette, Illinois. They specialize in IT strategy consulting and Staffing.Read More
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321Undisclosed50 - 249 employeesHoffman Estates, ILLocated 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
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322Undisclosed10 - 49 employeesNorthbrook, ILHolleb Consulting, an IT managed services company, provide IT managed services and IT strategy consulting. They were launched in 1988.Read More
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323Undisclosed10 - 49 employeesSouth Elgin, ILLaunched in 2001, AzoBLUE Group Software is an IT strategy consulting company. The small team provides IT strategy consulting and Custom Software Development.Read More
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324$25,000+10 - 49 employeesEvanston, ILRead More
Website development company Prism Solutions is located in Lahore, Pakistan. The small team focuses on web development, custom software development, CRM consulting and SI, and IT managed services and was founded in 2019.
Clients
Diaz Group LLCIndustries
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325Undisclosed2 - 9 employeesLockport, ILFounded in 2012, Midwest Business Consulting, LLC is an IT strategy consulting company. The small team offers IT strategy consulting and IT managed services.Read More
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326Undisclosed50 - 249 employeesWestmont, ILLaunched in 1999, Axiom Technology Group is a midsize business intelligence company in Westmont, Illinois. Their team offers BI & big data consulting & SI and IT managed services.Read More
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327Undisclosed10 - 49 employeesMachesney Park, ILBased in Machesney Park, Illinois, Entre Computer Solutions is an IT managed services company. The team focuses on IT managed services.Read More
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328Undisclosed50 - 249 employeesScott Air Force Base, ILCybersecurity company UNCOMN was established in 2011. The team focuses on Cybersecurity and Custom Software Development.Read More
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329Undisclosed2 - 9 employeesChampaign, ILEQUESTRIS CYBER TACTICS LLC is an IT managed services and Cybersecurity company. Their small team is located in Champaign, Illinois. Their team focuses on IT managed services and Cybersecurity.Read More
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330Undisclosed10 - 49 employeesDeerfield, ILSCIGON is a Cybersecurity company. They provide Cybersecurity and Enterprise App Modernization and were established in 2008. The agency is based in Deerfield, Illinois.Read More
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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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