Top 100 IT Services Companies in Illinois
The Best of August 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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181$5,000+50 - 249 employeesChicago, ILCrossRealms International is an IT managed services company. Launched in 2008, the team focuses on IT managed services and IT strategy consulting.Read More
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182$1,000+250 - 999 employeesLisle, ILASAR Digital is a cloud consulting & SI company headquartered in Lisle, Illinois. Launched in 2015, the team focuses on cloud consulting & SI and Custom Software Development.Read More
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183Undisclosed50 - 249 employeesNorthbrook, ILOnward Technologies, Inc. Is a Cybersecurity company. They were founded in 1985, and their services include Cybersecurity and IT managed services.Read More
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184Undisclosed2 - 9 employeesChicago, ILTime Technology, a cloud consulting & SI company, offers cloud consulting & SI and Cybersecurity. The company is located in Chicago, Illinois.Read More
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185$1,000+10 - 49 employeesSchaumburg, ILEstablished in 1998, IntelliSuite IT Solutions is an IT strategy consulting company. The team specializes in IT strategy consulting and cloud consulting & SI.Read More
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186Undisclosed10 - 49 employeesAurora, ILQt9 Software is a small IT strategy consulting and ERP consulting and SI company launched in 2000. Their services include IT strategy consulting and ERP consulting and SI.Read More
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187Undisclosed10 - 49 employeesChicago, ILYeeld is an other IT consulting and SI company. They were founded in 2022 and offer other IT consulting and SI.Read More
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188$5,000+2 - 9 employeesBannockburn, ILHeadquartered in Bannockburn, Illinois, Hourless is a small web design company. The team offers Web Design and IT strategy consulting.Read More
Clients
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189Undisclosed2 - 9 employeesElgin, ILHealthcare Financial Resources (HFRI) is a software development company. Founded in 1975, the small agency is in Elgin, Illinois. Their services include custom software development, IT strategy consulting, and IT managed services.Read More
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190$100,000+10 - 49 employeesChicago, ILData Defenders, a Cybersecurity company, is based in Chicago, Illinois. The small team provides Cybersecurity and IT managed services. The company was founded in 2005.Read More
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191$5,000+2 - 9 employeesBatavia, ILTeqworks, an IT managed services company, was launched in 2002. The firm provides IT managed services and IT strategy consulting.Read More
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192$5,000+2 - 9 employeesChicago, ILRooksDM, an IT strategy consulting company, was launched in 2014. The firm provides IT strategy consulting and cloud consulting & SI.Read More
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193$5,000+2 - 9 employeesRosemont, ILVision96 is a small Rosemont, Illinois-based IT strategy consulting company. Their services include IT strategy consulting and unified communications consulting & SI.Read More
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194$5,000+10 - 49 employeesRosemont, ILETS Technology Solutions, a small IT managed services company, is headquartered in Rosemont, Illinois. The team focuses on IT managed services and Cybersecurity.Read More
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195Undisclosed10 - 49 employeesSchaumburg, ILVlc Solutions LLC, an IT managed services company, was launched in 2001. The firm specializes in IT managed services, and is small.Read More
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196$5,000+10 - 49 employeesSchaumburg, ILEstablished in 1998, RJ2 Technologies is an IT managed services company. Their services include IT managed services and unified communications consulting & SI.Read More
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197$1,000+2 - 9 employeesEvanston, ILPrime Telecommunications Managed Technology Solutions is an unified communications consulting & SI company. Their services include unified communications consulting & SI.Read More
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198$1,000+10 - 49 employeesDes Plaines, ILLaunched in 2012, croyant tech is an ERP consulting and SI company. The team focuses on ERP consulting and SI and BI & big data consulting & SI.Read More
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199Undisclosed2 - 9 employeesEvanston, ILNEBULACLOUD is an other IT consulting and SI company founded in 2014. The agency specializes in other IT consulting and SI and IT managed services.Read More
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200$5,000+10 - 49 employeesHanover Park, ILAcanthus Technology is an IT managed services company in Hanover Park, Illinois. Their services include IT managed services and Cybersecurity.Read More
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201$1,000+50 - 249 employeesRosemont, ILDefendEdge is a Rosemont, Illinois-based Cybersecurity and IT managed services company. They focus on Cybersecurity and IT managed services and were launched in 2017.Read More
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202$5,000+50 - 249 employeesChicago, ILLaunched in 2022, Dynamics CRM Consulting is a midsize CRM consulting and SI company. Their team specializes in CRM consulting and SI.Read More
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203$25,000+10 - 49 employeesSkokie, ILIT strategy consulting company eNetwork Supply was launched in 2010. The agency specializes in IT strategy consulting.Read More
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204Undisclosed10 - 49 employeesDowners Grove, ILVerity IT is a Downers Grove, Illinois-based Cybersecurity company. They provide Cybersecurity and IT managed services and were established in 2014.Read More
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205Undisclosed10 - 49 employeesHoffman Estates, ILDSN Group - DSN Support is an IT strategy consulting company established in 1994. The company provides IT strategy consulting and Cybersecurity, and is small.Read More
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206$10,000+50 - 249 employeesElgin, ILIW Technologies is an Elgin, Illinois-based IT managed services company. Their services include IT managed services.Read More
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207Undisclosed50 - 249 employeesBolingbrook, ILITRegulators, an IT strategy consulting company, was founded in 2007. The team focuses on IT strategy consulting and cloud consulting & SI.Read More
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208$1,000+50 - 249 employeesNaperville, ILBased in Naperville, Illinois and KVR Nagar, India, AMBC Inc is a Conversion Optimization company. The team offers Conversion Optimization and IT strategy consulting.Read More
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209$1,000+10 - 49 employeesLisle, ILNetwork It Easy, a small IT strategy consulting company, is based in Lisle, Illinois. Their services include IT strategy consulting and Cybersecurity.Read More
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210$1,000+2 - 9 employeesChicago, IL7Alder, a business intelligence company, is in Chicago, Illinois. The firm provides BI & big data consulting & SI, business consulting, fractional cfo services, business valuation services, and more and has a small team.The firm was founded in 2022.Read More
Industries
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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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