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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421Undisclosed250 - 999 employeesChicago, ILKeeper Security, a Cybersecurity company, was established in 2011. The company provides Cybersecurity and cloud consulting & SI.Read More
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422Undisclosed2 - 9 employeesItasca, ILCybernon is a small Itasca, Illinois-based Cybersecurity company. Their services include Cybersecurity and IT managed services.Read More
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423Undisclosed50 - 249 employeesChicago, ILIT Risk Managers LLC, a midsize IT strategy consulting company, is located in Chicago, Illinois. Their services include IT strategy consulting and cloud consulting & SI.Read More
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424Undisclosed50 - 249 employeesBuffalo Grove, ILBased in Buffalo Grove, Illinois, The Social Plus is a midsize IT strategy consulting company. The team offers IT strategy consulting and IT managed services.Read More
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425$1,000+10 - 49 employeesMokena, ILBuscemi IT Solutions is a small IT managed services company in Mokena, Illinois. Their services include IT managed services and Search Engine Optimization.Read More
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426$5,000+10 - 49 employeesChicago, ILGate 39 Media, a custom software development company, is headquartered in Chicago, Illinois. Established in 2003, the team offers Custom Software Development and Web Development.Read More
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427$25,000+10 - 49 employeesItasca, ILSynegen, Inc. Is a custom software development firm established in 2001. The agency focuses on Custom Software Development and CRM consulting and SI.Read More
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428Undisclosed2 - 9 employeesChicago, ILLightway Solutions is an IT managed services company. Established in 2023, their team offers IT managed services and Custom Software Development.Read More
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429$25,000+50 - 249 employeesSchaumburg, ILPSC Group, a custom software development company, provide Custom Software Development and Enterprise App Modernization. They were launched in 1990.Read More
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430$1,000+2 - 9 employeesPeoria, ILUnlimited Express Global Group ,LLC is a web design company. Their team is located in Peoria, Illinois and offers Web Design and UX/UI Design.Read More
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431$5,000+2 - 9 employeesChicago, ILWSC, an IT managed services company, offers IT managed services and Enterprise App Modernization. The company is based in Chicago, Illinois.Read More
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432$50,000+250 - 999 employeesChicago, ILRead More
Headquartered in Chicago, Forte Group is an international IT firm with offices in Belarus and Ukraine. With over 250 employees, the agency specializes in web development, e-commerce development, and application testing in addition to other software and app services.
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BMO Harris BankIndustries
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433$1,000+10 - 49 employeesBelleville, ILBusiness Consulting company Konect360 was founded in 2016. The team focuses on Business Consulting and Marketing Strategy.Read More
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434Undisclosed50 - 249 employeesLisle, ILTekboox, an IT managed services company, is headquartered in Lisle, Illinois. They provide IT managed services and Mobile & App Marketing.Read More
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435$10,000+50 - 249 employeesArlington Heights, ILIndustrial Network Solutions is an Arlington Heights, Illinois-based public relations company. The team provides Public Relations and BI & big data consulting & SI.Read More
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436$25,000+10 - 49 employeesSkokie, ILCurrence, Inc., a Finance & Accounting Outsourcing (FAO) company, was founded in 1982. The agency specializes in Finance & Accounting Outsourcing (FAO) and BI & big data consulting & SI.Read More
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437$10,000+2 - 9 employeesChicago, ILDevfollow is an IT strategy consulting company. Established in 2024, the firm is located in Chicago, Illinois. Their team offers IT strategy consulting and Custom Software Development.Read More
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438$250,000+50 - 249 employeesGlenview, ILDigital Analyst Team, a Digital Strategy company, is headquartered in Glenview, Illinois. Launched in 2018, the team provides Digital Strategy and Social Media Marketing.Read More
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439Undisclosed250 - 999 employeesChicago, ILFounded in 2016, Inspire11, a midsize Digital Strategy company, is based in Chicago, Illinois and Atlanta, Georgia. Their team provides Digital Strategy and BI & big data consulting & SI.Read More
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440Undisclosed250 - 999 employeesChicago, ILVikingCloud is a midsize IT managed services company. They offer IT managed services and Application Testing and were launched in 1989.Read More
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441Undisclosed250 - 999 employeesSpringfield, ILWeb development firm Synapsis Inc. Was founded in 2012. The team provides Web Development and IoT development.Read More
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442$5,000+50 - 249 employeesItasca, ILIntegrative Systems is a midsize IT managed services company headquartered in Itasca, Illinois and Pune, India. Their services include IT managed services and IT staff augmentation.Read More
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FollettIndustries
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443$1,000+10 - 49 employeesChicago, ILCODEnt Pro is a web design agency. They specialize in Web Design and CRM consulting and SI and are headquartered in Chicago, Illinois.Read More
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444$10,000+10 - 49 employeesBartlett, ILPi9 is an Enterprise App Modernization company located in Ruislip, England and Bartlett, Illinois. They provide Enterprise App Modernization and BI & big data consulting & SI and were founded in 2013.Read More
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445$1,000+10 - 49 employeesPalatine, ILRead More
Core Vision IT Solutions is an IT managed services company headquartered in Brookfield, Wisconsin and Palatine, Illinois. The agency offers IT managed services, cybersecurity, cloud consulting & SI, unified communications consulting & SI, and more and has a small team.The agency was established in 2002.
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446Undisclosed2 - 9 employeesChicago, ILCybersecurity company Red Echoes Tech was founded in 2016. The team provides Cybersecurity and AR/VR development and is headquartered in Chicago, Illinois.Read More
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447Undisclosed10 - 49 employeesChicago, IL1872 Consulting is a Chicago, Illinois-based Blockchain company. They provide Blockchain and IT strategy consulting and were founded in 2014.Read More
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448Undisclosed10 - 49 employeesNaperville, ILLocated in Naperville, Illinois and Chicago, Illinois, Black Line IT is a software development firm. Their services include Custom Software Development and Digital Strategy.Read More
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449Undisclosed10 - 49 employeesSchaumburg, ILAvion Technology Inc. Is a Generative AI company. Launched in 2007, the company is headquartered in Schaumburg, Illinois. Their services include Generative AI and Artificial Intelligence.Read More
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450Undisclosed10 - 49 employeesChicago, ILLocated in Chicago, Illinois, Tech@MyDesk is a small Other Digital Marketing company. Their services include Other Digital Marketing and Other Marketing.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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