Top IT Services Companies in Chicago
The Best of July 2026Looking for a top IT services company in Chicago?
Every small or big business needs effective IT services and systems to increase productivity. Solid and reliable IT services enable companies to stay competitive. With thousands of IT service providers, finding the right team isn’t as easy as it sounds. We’ve concocted this list of Chicago’s elite IT services companies for you to scrutinize. In this list, you can read more about company descriptions, notable work, and past clients to find the right fit for your business.
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List of the Best Chicago IT Companies
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271Undisclosed2 - 9 employeesChicago, ILTalkRisk, a Cybersecurity company, focuses on Cybersecurity. The company is in Chicago, Illinois.Read More
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272Undisclosed2 - 9 employeesHinsdale, ILDEADCO LLC, a Cybersecurity and IT managed services company, is based in Hinsdale, Illinois. Launched in 2021, the team provides Cybersecurity and IT managed services.Read More
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273Undisclosed50 - 249 employeesChicago, ILAGB Investigative Services, a midsize Cybersecurity and IT managed services company, is in Chicago, Illinois. Their services include Cybersecurity and IT managed services.Read More
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274Undisclosed2 - 9 employeesChicago, ILSmall IT strategy consulting company Fairway IT Solutions, is in Chicago, Illinois. Their services include IT strategy consulting and cloud consulting & SI.Read More
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275Undisclosed250 - 999 employeesChicago, ILValorem Reply is a data analytics company launched in 2009. Their team specializes in BI & big data consulting & SI and cloud consulting & SI.Read More
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276Undisclosed250 - 999 employeesChicago, ILUX design company Avensia, Inc. Was launched in 1998. The team focuses on UX/UI Design and IT strategy consulting.Read More
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277Undisclosed250 - 999 employeesDowners Grove, ILMidsize big data company and cloud consulting & SI company 3Cloud, is located in Downers Grove, Illinois. The team provides BI & big data consulting & SI and cloud consulting & SI.Read More
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278Undisclosed50 - 249 employeesChicago, ILE-commerce development firm Pierce Washington was established in 2005. The team specializes in E-Commerce Development and IT strategy consulting.Read More
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279Undisclosed10 - 49 employeesChicago, ILAleysian is a small CRM consulting and SI company. Established in 2004, the team specializes in CRM consulting and SI and Custom Software Development.Read More
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280Undisclosed250 - 999 employeesOak Brook, ILCyberTech Systems and Software, Inc is a Cybersecurity company. They offer Cybersecurity and ERP consulting and SI and are located in Oak Brook, Illinois and Redlands, California.Read More
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281Undisclosed50 - 249 employeesChicago, ILTruQua, an IT strategy consulting company, was launched in 2010. They specializes in IT strategy consulting and cloud consulting & SI.Read More
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282Undisclosed50 - 249 employeesChicago, ILGearset is a CRM consulting and SI and Application Testing company. The Chicago, Illinois-based company was launched in 2015. Their team focuses on CRM consulting and SI and Application Testing.Read More
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283Undisclosed10 - 49 employeesChicago, ILCylon Technologies is a big data company founded in 2004. The agency provides BI & big data consulting & SI and Application Testing.Read More
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284Undisclosed10 - 49 employeesChicago, ILCatena Solutions is a business intelligence company. Their small team of employees is headquartered in Chicago, Illinois. Their team offers BI & big data consulting & SI and Business Consulting.Read More
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285Undisclosed250 - 999 employeesLombard, ILMidsize IT strategy consulting company MajorKey Technologies, is based in Lombard, Illinois. The team specializes in IT strategy consulting.Read More
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286Undisclosed250 - 999 employeesChicago, ILCloudEQ is a midsize IT strategy consulting company based in Novi, Michigan and El Segundo, California. The team provides IT strategy consulting and cloud consulting & SI.Read More
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287Undisclosed250 - 999 employeesLombard, ILColumn Technical Services is an IT strategy consulting company. The Lombard, Illinois-based firm specializes in IT strategy consulting.Read More
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288Undisclosed50 - 249 employeesPark Ridge, ILRadian Compliance, LLC is an IT strategy consulting company. They provide IT strategy consulting and were established in 1983.Read More
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289Undisclosed50 - 249 employeesPark Ridge, ILAQL Technologies is a business intelligence company. Their team is in Park Ridge, Illinois and specializes in BI & big data consulting & SI.Read More
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290Undisclosed50 - 249 employeesChicago, ILMikan is a big data company and cloud consulting & SI company launched in 2008. Their team specializes in BI & big data consulting & SI and cloud consulting & SI.Read More
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291Undisclosed50 - 249 employeesHinsdale, ILLaunched in 1986, Syscon Inc. Is a midsize big data company. Their services include BI & big data consulting & SI.Read More
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292Undisclosed1,000 - 9,999 employeesChicago, ILSphera is a big data company based in Chicago, Illinois. Launched in 2016, the team focuses on BI & big data consulting & SI and Compliance Consulting.Read More
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293Undisclosed1,000 - 9,999 employeesDowners Grove, ILTanium is a big data company. Their team is located in Kirkland, Washington and Downers Grove, Illinois and specializes in BI & big data consulting & SI and Cybersecurity.Read More
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294Undisclosed50 - 249 employeesChicago, ILCyberMaxx is a big data company. Located in Chicago, Illinois, their team offers BI & big data consulting & SI and Cybersecurity.Read More
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295Undisclosed10 - 49 employeesChicago, ILUncommonX is a Chicago, Illinois-based Cybersecurity company. Their services include Cybersecurity and IT managed services.Read More
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296Undisclosed10 - 49 employeesChicago, ILNorthStar, a business intelligence company, was established in 2006. The team offers BI & big data consulting & SI and Cybersecurity.Read More
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297Undisclosed10 - 49 employeesChicago, ILMicro-Tech USA, an IT strategy consulting company, was established in 1989. They focuses on IT strategy consulting and cloud consulting & SI.Read More
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298Undisclosed10 - 49 employeesBurr Ridge, ILIT managed services company CSC Consulting Group is headquartered in Burr Ridge, Illinois. Launched in 1988, the team focuses on IT managed services and IT strategy consulting.Read More
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299Undisclosed250 - 999 employeesChicago, ILK2 Services is a midsize IT strategy consulting and IT managed services company. Established in 1985, the team specializes in IT strategy consulting and IT managed services.Read More
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300Undisclosed10 - 49 employeesChicago, ILFounded in 2013, Zivra, LLC, a small IT strategy consulting company, is headquartered in Chicago, Illinois. Their team offers IT strategy consulting and cloud consulting & SI.Read More
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Check out an IT Services Company in Chicago with the most new reviews in the past 12 months.
Most Reviewed
IT Services Company
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