Top 100 IT Services Companies in Illinois
The Best of February 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.
List of the Best Illinois IT Companies
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751$10,000+10 - 49 employeesChicago, ILCRM consulting and SI company Edver was founded in 2020. The small team provides CRM consulting and SI and IT managed services.Read More
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752Undisclosed250 - 999 employeesChicago, ILEstablished in 2010, Guidepost Solutions, a midsize Cybersecurity company, is headquartered in Seattle, Washington and New York, New York. Their team focuses on Cybersecurity.Read More
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753Undisclosed10 - 49 employeesNaperville, ILInnobiz Solutions, LLC. Is a small SEO services firm. They provide Search Engine Optimization and cloud consulting & SI and were founded in 2000.Read More
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754Undisclosed10 - 49 employeesLake Forest, ILA3B LLC is a Lake Forest, Illinois-based Accounting company. Their services include Accounting and IT strategy consulting.Read More
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755Undisclosed10 - 49 employeesChicago, ILAR/VR development company Fanisko is in Chicago, Illinois. They provide AR/VR development and Blockchain.Read More
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756Undisclosed1,000 - 9,999 employeesNew York, NYMarket Research company Material focuses on Market Research and Marketing Strategy. They were launched in 1973.Read More
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757$10,000+50 - 249 employeesChicago, ILRead More
RedTag is a CRM consulting firm based in Lviv, Ukraine. Founded in 2013, their team of 75 serves clients in the IT and nonprofit sectors. Services include sales automation and marketing automation for Salesforce.
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One FitIndustries
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758Undisclosed2 - 9 employeesBloomington, ILSmall Application Testing company JVR Tech LLC, is headquartered in Bloomington, Illinois and Hollywood, Florida. Their services include Application Testing and cloud consulting & SI.Read More
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759$5,000+10 - 49 employeesChicago, ILEstablished in 2014, Bespoken Management is a SEO agency. The team offers Search Engine Optimization and Pay Per Click.Read More
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760$10,000+10 - 49 employeesGeneva, ILServsoft Technologies, Inc is a Geneva, Illinois-based Robotics Process Automation company. The team specializes in Robotics Process Automation and BI & big data consulting & SI.Read More
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761Undisclosed10 - 49 employeesChicago, ILSoftware development firm Jetpacks! was founded in 2022. The small team offers Custom Software Development and BI & big data consulting & SI.Read More
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762$50,000+10 - 49 employeesChicago, ILAplyca is a Chicago, Illinois-based web development company. Established in 2005, the team offers Web Development and E-Commerce Development.Read More
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763$5,000+1,000 - 9,999 employeesSan Jose, CARead More
ExpertsFromIndia is a development company based in San Jose, Calif. They were founded in 2003 and have a team of around 800 employees. They primarily provide custom software development and SEO.
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eBayIndustries
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764UndisclosedFreelancer employeesChicago, ILGNS AI LLC is a big data company located in Chicago, Illinois. They focus on BI & big data consulting & SI and Artificial Intelligence and were launched in 2020.Read More
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765Undisclosed2 - 9 employeesChicago, ILIn Chicago, Illinois, Instra.Ai is a Business Consulting company. They specialize in Business Consulting and cloud consulting & SI.Read More
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766Undisclosed2 - 9 employeesChicago, ILAmplify Group is a Recruiting company. The Chicago, Illinois-based agency was established in 2022. Their services include Recruiting and CRM consulting and SI.Read More
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767Undisclosed2 - 9 employeesBelleville, ILEstablished in 2008, The Richland Marketing House is a social media marketing agency. The team focuses on Social Media Marketing and Content Marketing and is headquartered in Belleville, Illinois.Read More
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768Undisclosed2 - 9 employeesMonee, ILBlue Taurus Marketing is a social media marketing agency. They are located in Monee, Illinois and have small team. Their services include Social Media Marketing and Email Marketing.Read More
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769Undisclosed2 - 9 employeesChicago, ILRinger is a Fractional CMO Services company founded in 2016. Their services include Fractional CMO Services and Content Marketing.Read More
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770$50,000+1,000 - 9,999 employeesChicago, IL10Pearls is a custom software development company located in Vienna, Virginia; Medellín, Colombia; New York, New York and San Rafael de Escazú, Costa Rica. The large firm was established in 2004. Their services include Custom Software Development, Mobile App Development, Artificial Intelligence, cloud consulting & SI, and more.Read More
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HughesNetIndustries
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771$1,000+50 - 249 employeesChicago, ILEstablished in 1981, Corporate Technologies is an IT managed services company. Based in Eden Prairie, Minnesota; Fargo, North Dakota; San Diego, California and Ada, Michigan, their midsize team specializes in IT managed services, cloud consulting & SI, and Cybersecurity.Read More
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772$5,000+1,000 - 9,999 employeesChicago, ILFounded in 1971, Merkle is a large CRM consulting and SI company. Their team focuses on CRM consulting and SI and Digital Strategy.Read More
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DellIndustries
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773Undisclosed10 - 49 employeesPleasanton, CAEmpyra is a small Youngstown, Ohio-based IT strategy consulting and IT managed services company. Their services include IT strategy consulting and IT managed services.Read More
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774$50,000+1,000 - 9,999 employeesOakbrook Terrace, ILIn Irvine, California; Roseville, California; Boise, Idaho and Denver, Colorado, Synoptek, LLC. Is an IT managed services company. The large team specializes in IT managed services, Enterprise App Modernization, cloud consulting & SI, and IT strategy consulting and was established in 2001.Read More
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Champion Home ExteriorsIndustries
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775Undisclosed10 - 49 employeesChicago, ILRitain.io is a cloud consulting & SI company. They offer cloud consulting & SI and Application Testing and were founded in 2020. The firm is based in Chicago, Illinois and Porto, Portugal.Read More
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776$25,000+1,000 - 9,999 employeesChicago, ILLaunched in 2010, Simform is a cloud consulting & SI company. The large Ahmedabad, India-based team offers cloud consulting & SI, Custom Software Development, Mobile App Development, Artificial Intelligence, and more.Read More
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RedbullIndustries
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777$50,000+250 - 999 employeesSchaumburg, ILRead More
WEZOM is a custom software development company founded in 1999. The midsize team provides Custom Software Development, IT managed services, Mobile App Development, Artificial Intelligence, and more. The firm is headquartered in Schaumburg, Illinois; Mykolaiv, Ukraine; Kyiv, Ukraine and Kherson, Ukraine.
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AptivIndustries
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778Undisclosed1,000 - 9,999 employeesMarietta, GARead More
Quatrro is a business support services company based in Marietta Ga. with four Indian offices in New Delhi, Gurgaon, Mumbai, and Chennai. Founded in 2013, they now have a team of about 2,00 that serves those in the retail, automotive, manufacturing, healthcare, and non-profit industries. They specialize in financial accounting, BI and big data consulting, bookkeeping, finance and accounting outsourcing, and tax preparation, and back-office services.
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779$10,000+250 - 999 employeesRosemont, ILGuidance Software is a Cybersecurity company. Their midsize team is based in Pasadena, California and New York, New York. Their services include Cybersecurity and IT strategy consulting.Read More
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BoxIndustries
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780Undisclosed1,000 - 9,999 employeesBowling Green, KYFORVIS is an Accounting company established in 1923. Their team offers Accounting and Business Consulting.Read More
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