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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511Undisclosed250 - 999 employeesLombard, ILLocated in Lombard, Illinois, Consulting Services Corporation is an IT strategy consulting company. They focus on IT strategy consulting and Application Testing.Read More
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512$25,000+10 - 49 employeesChicago, ILCaptios Partners is a Generative AI company launched in 2023. Their services include Generative AI and Custom Software Development.Read More
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513Undisclosed50 - 249 employeesChicago, ILIn Chicago, Illinois, Alexander Group is a midsize Marketing Strategy company. The team offers Marketing Strategy and CRM consulting and SI.Read More
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514$1,000+2 - 9 employeesChicago, ILTelivity Inc. Is an IoT development company. Founded in 2011, their team focuses on IoT development and Custom Software Development.Read More
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515Undisclosed50 - 249 employeesChicago, ILHerzum is a software development firm launched in 2000. Their services include Custom Software Development and Mobile App Development.Read More
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516Undisclosed50 - 249 employeesSpringfield, ILLead IT Corporation is a midsize social media marketing agency founded in 2005. Their services include Social Media Marketing and Content Marketing.Read More
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517$10,000+1,000 - 9,999 employeesEvanston, ILKatalyst Technologies Inc. Is an Evanston, Illinois-based big data analytics company. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
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518$10,000+1,000 - 9,999 employeesChicago, ILLaunched in 1997, All Covered is an IT managed services company. The team specializes in IT managed services and cloud consulting & SI.Read More
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519$25,000+10 - 49 employeesNaperville, ILWorking Excellence is a business intelligence company launched in 2008. Their small team is in Reston, Virginia and Naperville, Illinois. The firm focuses on BI & big data consulting & SI, Artificial Intelligence, AI Consulting, Custom Software Development, and more.Read More
Industries
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520$1,000+50 - 249 employeesChicago, ILDecision Resources, Inc. Is an ERP consulting and SI company. Their team is based in Pittsburgh, Pennsylvania and Austin, Texas and provides ERP consulting and SI and Artificial Intelligence.Read More
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521Undisclosed10 - 49 employeesMontgomery, ILCRM consulting and SI company Development Consulting Partners, LLC offers CRM consulting and SI and Custom Software Development. They are based in Montgomery, Illinois.Read More
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522Undisclosed10 - 49 employeesChicago, ILSagin is a Chicago, Illinois-based IT managed services company. The team offers IT managed services and Executive Search.Read More
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523Undisclosed2 - 9 employeesElgin, ILEstablished in 2010, T.G. Consultants Inc is a small IT strategy consulting company. Their services include IT strategy consulting and Search Engine Optimization.Read More
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524Undisclosed2 - 9 employeesSkokie, ILIT strategy consulting company HR Point Consulting was launched in 2012. The firm focuses on IT strategy consulting and Staffing, and is small.Read More
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525Undisclosed2 - 9 employeesBloomington, ILCloudquest Technologies is an IT staff augmentation company founded in 2011. Their team offers IT staff augmentation and cloud consulting & SI.Read More
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526Undisclosed2 - 9 employeesPalatine, ILChimbly Consultants LLC is a Palatine, Illinois-based Cybersecurity company. Founded in 2010, the team offers Cybersecurity and IT strategy consulting.Read More
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527Undisclosed2 - 9 employeesDowners Grove, ILIT strategy consulting company Global Recruiters of Oak Brook (GRN) was launched in 2016. Located in Downers Grove, Illinois, the team offers IT strategy consulting and Staffing.Read More
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528Undisclosed10 - 49 employeesDes Plaines, ILMEGATECSOL Inc. , a SEO services firm, specializes in Search Engine Optimization and UX/UI Design. The firm is in Des Plaines, Illinois.Read More
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529$10,000+10 - 49 employeesBolingbrook, ILLocated in Bolingbrook, Illinois, OrangoTech is a small AI development company. Their services include Artificial Intelligence and AI Consulting.Read More
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530Undisclosed250 - 999 employeesNaperville, ILRoyal Cyber is an UX design agency. Launched in 2002, their team specializes in UX/UI Design and cloud consulting & SI.Read More
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531Undisclosed1,000 - 9,999 employeesOrland Park, ILEstablished in 1996, Version 1 is a large New York, New York-based cloud consulting & SI company. Their team offers cloud consulting & SI and Custom Software Development.Read More
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532Undisclosed50 - 249 employeesDanville, ILCTS Computers is a Danville, Illinois-based IT managed services company. They offer IT managed services and Cybersecurity.Read More
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533Undisclosed10 - 49 employeesWheaton, ILRead More
PerByte, an IT strategy consulting and software development firm, is headquartered in Wheaton, Illinois. The small team specializes in IT strategy consulting and custom software development and was founded in 2011.
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534$25,000+2 - 9 employeesNaperville, ILDeepfai Inc. Is an e-commerce development firm. Established in 2021, the team focuses on E-Commerce Development and Artificial Intelligence. The company is headquartered in Naperville, Illinois.Read More
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535$1,000+2 - 9 employeesWadsworth, ILLa-La Made It, a SEO services firm, is located in Wadsworth, Illinois. Launched in 2020, the team specializes in Search Engine Optimization and Web Design.Read More
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536$1,000+2 - 9 employeesChicago, ILMJ Ventures is a Robotics Process Automation company founded in 2023. Located in Chicago, Illinois, the team specializes in Robotics Process Automation and AI Consulting.Read More
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537$1,000+2 - 9 employeesOak Forest, ILEfficient Tech Solution, a web development firm, was founded in 2024. The small Oak Forest, Illinois-based team focuses on web development, mobile app development, Artificial Intelligence, social media marketing, and more.Read More
Industries
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538$5,000+10 - 49 employeesNorthbrook, ILWeb development firm DealAmaze Technologies was launched in 2018. Their small team is in Hyderabad, India and Northbrook, Illinois. Their services include Web Development, Mobile App Development, E-Commerce Development, Custom Software Development, and more.Read More
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539Undisclosed10 - 49 employeesChicago, ILLaunched in 2015, Bulmen Consultant Group, Inc. Is a CRM consulting and SI company. The small team focuses on CRM consulting and SI and Business Consulting.Read More
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540Undisclosed10 - 49 employeesChicago, ILCorporate Training & Coaching company Source Consulting Group was founded in 2011. The agency focuses on Corporate Training & Coaching and Business Consulting.Read More
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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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