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.
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List of the Best Illinois IT Companies
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661Undisclosed50 - 249 employeesChicago, ILOnShore Security, a Cybersecurity company, was founded in 1991. In Chicago, Illinois, the team focuses on Cybersecurity.Read More
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662Undisclosed2 - 9 employeesChicago, ILMSMNET Security, a small Cybersecurity company, is located in Chicago, Illinois. Their services include Cybersecurity.Read More
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663Undisclosed2 - 9 employeesMattoon, ILTEAM ITS, LLC is a Mattoon, Illinois-based Cybersecurity and IT managed services company. Launched in 2016, the team provides Cybersecurity and IT managed services.Read More
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664Undisclosed2 - 9 employeesSparta, ILCybersecurity and IT managed services company Complete Technology Solutions LLC focuses on Cybersecurity and IT managed services. They are based in Sparta, Illinois.Read More
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665Undisclosed10 - 49 employeesChampaign, ILJano Technologies, a small IT strategy consulting and Cybersecurity company, is headquartered in Champaign, Illinois. The team specializes in IT strategy consulting and Cybersecurity.Read More
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666$5,000+Freelancer employeesOak Lawn, ILNightsong Cloud & DevOps LLC is a cloud consulting & SI company launched in 2025. The team provides cloud consulting & SI and Cybersecurity.Read More
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667Undisclosed10 - 49 employeesOak Park, ILAnvilo Inc. Is a software development firm. Established in 2015, the team offers Custom Software Development and unified communications consulting & SI.Read More
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668Undisclosed2 - 9 employeesChicago, ILIron Horse Management Consultants is a small Business Consulting company in Chicago, Illinois. Their services include Business Consulting and unified communications consulting & SI.Read More
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669Undisclosed2 - 9 employeesSpringfield, ILKB Computer Consulting, Inc. Is an IT managed services company. The team focuses on IT managed services and Business Consulting and is headquartered in Springfield, Illinois.Read More
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670Undisclosed2 - 9 employeesPeoria, ILFounded in 2015, Isaana Tax LLC is a small Peoria, Illinois-based Accounting company. Their team focuses on Accounting and cloud consulting & SI.Read More
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671Undisclosed2 - 9 employeesBannockburn, ILLocated in Bannockburn, Illinois, The WDG Agency is a Marketing Strategy company. Their services include Marketing Strategy and Other Marketing.Read More
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672Undisclosed2 - 9 employeesChicago, ILTeambees Corp, a custom software development company, was launched in 2020. The team offers Custom Software Development and UX/UI Design and is in Chicago, Illinois and Gurugram, India.Read More
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673Undisclosed2 - 9 employeesChicago, ILTrue Blue Creatives is a branding agency. Located in Chicago, Illinois, the company focuses on Branding and Social Media Marketing.Read More
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674$10,000+10 - 49 employeesChicago, ILRead More
NorthBuilt Software Development is a mobile app development firm. Their small team is based in Saint Paul, Minnesota; Dallas, Texas; Minneapolis, Minnesota and Columbus, Ohio. Their services include Mobile App Development, Custom Software Development, Application Management & Support, Low/No Code Development, and more. The company was launched in 2020.
Clients
ACE American Cutting EdgeIndustries
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675$10,000+50 - 249 employeesNaperville, ILPace Systems, Inc. Is a branding firm founded in 1983. The agency offers Branding and Web Design.Read More
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676Undisclosed10 - 49 employeesSchaumburg, ILAdroitco, Inc is an IT strategy consulting company located in Trenton, New Jersey and Schaumburg, Illinois. The team provides IT strategy consulting and cloud consulting & SI.Read More
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677Undisclosed10 - 49 employeesChicago, ILXcelocloud Inc. Is an IT strategy consulting company. Their small team is based in Irvine, California and Chicago, Illinois and focuses on IT strategy consulting. The company was founded in 2017.Read More
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678Undisclosed50 - 249 employeesChicago, ILKrasan Consulting Services is an UX design agency. The firm is headquartered in Chicago, Illinois. Their team provides UX/UI Design and Web Development.Read More
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679$1,000+2 - 9 employeesChicago, ILLouie inc is an Email Marketing company. The Chicago, Illinois-based company was launched in 2017. Their team specializes in Email Marketing and CRM consulting and SI.Read More
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680$1,000+2 - 9 employeesChicago, ILSEO company LumiMinds Inc | Chicago Software Company is based in Chicago, Illinois. They focus on Search Engine Optimization and Web Development and were founded in 2018.Read More
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681$5,000+2 - 9 employeesChicago, ILTop Gear Technologies is a small Chicago, Illinois-based IT managed services company. The team provides IT managed services and IT staff augmentation.Read More
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682Undisclosed2 - 9 employeesLockport, ILJK Consulting is an IT strategy consulting company. The team provides IT strategy consulting and Graphic Design, and the firm is located in Lockport, Illinois.Read More
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683Undisclosed10 - 49 employeesMount Prospect, ILWebHostingPad is a small cloud consulting & SI and e-commerce development firm located in Mount Prospect, Illinois. The team provides cloud consulting & SI and E-Commerce Development.Read More
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684Undisclosed10 - 49 employeesSpringfield, ILFounded in 1990, King Technology, Inc is an IT strategy consulting and web design agency. Their team specializes in IT strategy consulting and Web Design.Read More
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685Undisclosed10 - 49 employeesChicago, ILTechnical Paradigm is a SEO company. Their small team is based in Chicago, Illinois. Their team specializes in Search Engine Optimization and Pay Per Click.Read More
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686Undisclosed10 - 49 employeesHoffman Estates, ILWeb development company Quip Global was launched in 2014. The agency focuses on Web Development and Mobile App Development, and is small.Read More
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687Undisclosed2 - 9 employeesChicago, ILWeb design company Psycray was established in 2012. The team offers Web Design and CRM consulting and SI and is headquartered in Chicago, Illinois.Read More
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688$5,000+Freelancer employeesChicago, ILBlumer Marketing Strategy & Consulting LLC, a Fractional CMO Services company, is headquartered in Chicago, Illinois. They offer Fractional CMO Services and IT strategy consulting.Read More
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689Undisclosed50 - 249 employeesWarrenville, ILIT strategy consulting company Arbour Group LLC was founded in 1990. The company specializes in IT strategy consulting and ERP consulting and SI, and is midsize.Read More
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690UndisclosedFreelancer employeesSpringfield, ILFlat Cap, LLC, an IT strategy consulting company, is headquartered in Springfield, Illinois. Their services include IT strategy consulting and other IT consulting and SI.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.
Most Reviewed
IT Services Company
Illinois
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