Top 100 IT Services Companies in Illinois
The Best of April 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.
Jump to Most Reviewed Companies
List of the Best Illinois IT Companies
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331Undisclosed10 - 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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332Undisclosed10 - 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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333$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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334Undisclosed2 - 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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335Undisclosed50 - 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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336Undisclosed10 - 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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337Undisclosed50 - 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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338Undisclosed2 - 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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339Undisclosed10 - 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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340Undisclosed50 - 249 employeesAurora, ILBased in Aurora, Illinois, Oloop LLC is a big data company. Their services include BI & big data consulting & SI and ERP consulting and SI.Read More
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341Undisclosed2 - 9 employeesElgin, ILHLJ Companies is an IT managed services company. The agency is based in Elgin, Illinois. Their services include IT managed services and IT strategy consulting.Read More
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342Undisclosed250 - 999 employeesAurora, ILSoftware development company Q1 Technologies, Inc. Is headquartered in Aurora, Illinois. They provide Custom Software Development and IT managed services and were established in 2002.Read More
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343Undisclosed10 - 49 employeesSkokie, ILCOMPUTER DRIVE, INC., a small IT managed services and IT strategy consulting company, is based in Skokie, Illinois. Their services include IT managed services and IT strategy consulting.Read More
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344Undisclosed50 - 249 employeesBuffalo Grove, ILBig data analytics company Aeverie Inc. Was established in 2013. The company provides BI & big data consulting & SI.Read More
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345Undisclosed10 - 49 employeesSchaumburg, ILInterstate Technologies is a small Schaumburg, Illinois-based IT strategy consulting company. The team provides IT strategy consulting and IT staff augmentation.Read More
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346Undisclosed10 - 49 employeesDeerfield, ILIT strategy consulting company Liberty Technology Advisors, Inc. Is located in Deerfield, Illinois. Established in 1995, the team focuses on IT strategy consulting and BI & big data consulting & SI.Read More
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347Undisclosed2 - 9 employeesChicago, ILFounded in 2016, 9th Floor Consulting Inc is a small ERP consulting and SI company. Their services include ERP consulting and SI.Read More
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348Undisclosed10 - 49 employeesChicago, ILIT managed services company Provisio Partners specializes in IT managed services and ECM consulting and SI. They are headquartered in Chicago, Illinois.Read More
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349Undisclosed50 - 249 employeesChicago, ILMavens is a cloud consulting & SI and CRM consulting and SI company launched in 2007. In Chicago, Illinois and London, England, the team provides cloud consulting & SI and CRM consulting and SI.Read More
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350Undisclosed50 - 249 employeesChicago, ILNeocol, a cloud consulting & SI and CRM consulting and SI company, was established in 2003. The midsize team provides cloud consulting & SI and CRM consulting and SI.Read More
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351Undisclosed10 - 49 employeesLake Forest, ILPassage Technology is a CRM consulting and SI company. The team specializes in CRM consulting and SI and is in Lake Forest, Illinois.Read More
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352Undisclosed250 - 999 employeesChicago, ILSilvr Lining Group - A Spaulding Ridge Company, a cloud consulting & SI company, was founded in 2017. The midsize team specializes in cloud consulting & SI and CRM consulting and SI.Read More
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353Undisclosed50 - 249 employeesChicago, ILSoliant Consulting is a software development firm headquartered in Chicago, Illinois and Devon, Pennsylvania. Their services include Custom Software Development and cloud consulting & SI.Read More
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354Undisclosed2 - 9 employeesSchaumburg, ILFort Knox Data Migration Services is a CRM consulting and SI company. They offer CRM consulting and SI and are located in Schaumburg, Illinois.Read More
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355Undisclosed250 - 999 employeesSchaumburg, ILEstablished in 2004, Blue.cloud is an Application Testing company. The team focuses on Application Testing and cloud consulting & SI and is headquartered in Tampa, Florida and Schaumburg, Illinois.Read More
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356Undisclosed2 - 9 employeesMahomet, ILCybersecurity and IT managed services company Bambenek Consulting, LTD was launched in 2011. The firm provides Cybersecurity and IT managed services, and is small.Read More
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357Undisclosed10 - 49 employeesCollinsville, ILHeadquartered in Collinsville, Illinois and St. Louis, Missouri, Computerease Group, Inc is a Cybersecurity company. Their services include Cybersecurity and IT managed services.Read More
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358Undisclosed50 - 249 employeesOak Brook, ILStrategic Solutions, Inc., a midsize Cybersecurity and IT managed services company, is in Oak Brook, Illinois. Their services include Cybersecurity and IT managed services.Read More
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359Undisclosed10 - 49 employeesSouth Barrington, ILIT strategy consulting company BSSI2 LLC specializes in IT strategy consulting and cloud consulting & SI. They were launched in 2005.Read More
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360Undisclosed10 - 49 employeesChicago, ILTeamWerks is a Cybersecurity company. Launched in 1999, their team provides Cybersecurity.Read More
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Check out an IT Services Company in Illinois with the most new reviews in the past 12 months.
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