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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451Undisclosed2 - 9 employeesChicago, ILComplySAM is a big data company located in Chicago, Illinois. They provide BI & big data consulting & SI and Cybersecurity.Read More
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452$10,000+2 - 9 employeesBatavia, ILRead More
Founded in 2007, Zadro Web is a small SEO company. Their team offers Search Engine Optimization, Web Development, IT managed services, and Cybersecurity. The firm is headquartered in Batavia, Illinois.
Clients
Assemblies Unlimited, Inc.Industries
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453$5,000+10 - 49 employeesChicago, ILUFlow Decision Engine, a graphic design agency, offer Graphic Design and cloud consulting & SI. They were founded in 2020.Read More
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454Undisclosed50 - 249 employeesChicago, ILWorkaware is an Advertising company. Headquartered in Chicago, Illinois, the company was established in 2000. Their team focuses on Advertising and Web Development.Read More
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455Undisclosed10 - 49 employeesGlenview, ILDeeta Analytics, an IT managed services company, is headquartered in Glenview, Illinois. They provide IT managed services and E-Commerce Development and were established in 2015.Read More
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456Undisclosed10 - 49 employeesLombard, ILBased in Lombard, Illinois, Imminent is a CRM consulting and SI and Marketing Strategy company. They specialize in CRM consulting and SI and Marketing Strategy.Read More
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457Undisclosed10 - 49 employeesChicago, ILEclipse Telecom is a small answering service in Chicago, Illinois. Their services include Call Center Services and unified communications consulting & SI.Read More
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458Undisclosed10 - 49 employeesBartlett, ILAhava Services, a CRM consulting and SI and mobile app development firm, was founded in 2015. The small team specializes in CRM consulting and SI and Mobile App Development.Read More
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459Undisclosed10 - 49 employeesNaperville, ILBased in Naperville, Illinois, JDK Technologies is a small Cybersecurity company. The team specializes in Cybersecurity and cloud consulting & SI.Read More
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460Undisclosed10 - 49 employeesChicago, ILKnowledgeHound is a Market Research and big data analytics company. Their team is in Chicago, Illinois. The agency offers Market Research and BI & big data consulting & SI.Read More
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461Undisclosed10 - 49 employeesNaperville, ILDecisionTrek, LLC is a data analytics company and AI firm. They are located in Naperville, Illinois and have small team. They focus on BI & big data consulting & SI and Artificial Intelligence.Read More
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462Undisclosed10 - 49 employeesChicago, ILSecureTrust, an IT strategy consulting and Compliance Consulting company, was founded in 2001. The team offers IT strategy consulting and Compliance Consulting and is based in Chicago, Illinois.Read More
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463Undisclosed10 - 49 employeesWestmont, ILSilvon Software is a Market Research company established in 1987. The agency specializes in Market Research and BI & big data consulting & SI, and is small.Read More
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464$1,000+10 - 49 employeesSchaumburg, ILDART Warranty Group is an other IT consulting and SI and software development company founded in 2025. The company offers other IT consulting and SI and Custom Software Development.Read More
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465$10,000+10 - 49 employeesOak Brook, ILAreaClicks is a social media marketing company founded in 2004. The team specializes in Social Media Marketing and Content Marketing.Read More
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466$1,000+50 - 249 employeesArlington Heights, ILKAT TECH SYSTEMS INC is a software development company in Arlington Heights, Illinois and Hopkins, Minnesota. The team specializes in Custom Software Development and Web Development.Read More
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467$10,000+2 - 9 employeesGlenview, ILAdtitude Digital, an Engineering company, is based in Glenview, Illinois. They specialize in Engineering and BI & big data consulting & SI and were established in 2021.Read More
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468$10,000+2 - 9 employeesNaperville, ILJusterNet Corporation is an AI development company. Founded in 2020, the agency is in Naperville, Illinois. Their team provides Artificial Intelligence and cloud consulting & SI.Read More
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469$5,000+1,000 - 9,999 employeesChicago, ILZS Associates is an user experience design company. The agency is based in Chicago, Illinois and New York, New York. Their services include UX/UI Design and cloud consulting & SI.Read More
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470Undisclosed50 - 249 employeesChicago, ILGibson Consulting Group, LLC is an unified communications consulting & SI company. They offer unified communications consulting & SI and Business Consulting and are headquartered in Chicago, Illinois.Read More
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471Undisclosed50 - 249 employeesChicago, ILNitel is an answering service company. They provide Call Center Services and IT managed services and are in Chicago, Illinois.Read More
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472$5,000+10 - 49 employeesChicago, ILLaunched in 2020, Kumo Partners is a small Chicago, Illinois-based Enterprise App Modernization company. Their services include Enterprise App Modernization and IT strategy consulting.Read More
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473$5,000+10 - 49 employeesVernon Hills, ILValrix LLC, a small UX design agency, is located in Vernon Hills, Illinois. The team specializes in UX/UI Design and Web Development.Read More
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474$1,000+2 - 9 employeesPalatine, ILJRB Team is a branding agency launched in 2013. The firm specializes in Branding and Marketing Strategy, and is small.Read More
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475Undisclosed10 - 49 employeesChicago, ILNAFETS AI is a social media marketing agency. They were launched in 2015 and specialize in Social Media Marketing and Search Engine Optimization.Read More
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476$1,000+10 - 49 employeesChicago, ILBranding company Managed Service Provider - Taeyaar was launched in 2020. The company offers Branding and Direct Marketing, and is small.Read More
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477$5,000+2 - 9 employeesChicago, ILQuantum Technologies, an IT managed services company, is located in Chicago, Illinois. The small company was established in 2024. Their services include IT managed services, Custom Software Development, Mobile App Development, and Artificial Intelligence.Read More
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478$10,000+2 - 9 employeesWheaton, ILFounded in 2019, Wolfco is a small Wheaton, Illinois-based Product Design company. Their team offers Product Design and IT strategy consulting.Read More
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479Undisclosed2 - 9 employeesChicago, ILDCoding Labs is a small custom software development company established in 2022. Their services include Custom Software Development and IT strategy consulting.Read More
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480$50,000+10 - 49 employeesChicago, ILLocated in Chicago, Illinois, One Design Company is a small custom software development firm. The team focuses on Custom Software Development and Branding.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
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