Top 100 IT Services Companies in Illinois
The Best of October 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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271$1,000+2 - 9 employeesEvanston, ILNorthshore Technology Group LLC is a cloud consulting & SI company. Established in 2025, the agency specializes in cloud consulting & SI and IT managed services.Read More
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272Undisclosed2 - 9 employeesChicago, ILAnansi Cyber is a Cybersecurity company founded in 2026. The team provides Cybersecurity and is located in Chicago, Illinois.Read More
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273$10,000+2 - 9 employeesRiverside, ILAnalog Logic LLC, an IT strategy consulting company, provide IT strategy consulting and cloud consulting & SI. They were established in 2026.Read More
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274$1,000+2 - 9 employeesChicago, ILKlio Systems, Inc is a small IT managed services company. They provide IT managed services and ERP consulting and SI and were founded in 2015.Read More
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275$100,000+50 - 249 employeesNaperville, ILEgen is an IT strategy consulting company. They were established in 2002 and offer IT strategy consulting and cloud consulting & SI.Read More
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276Undisclosed50 - 249 employeesChicago, ILRead More
ERP consulting and SI company Paro is in Chicago, Illinois. They offer ERP consulting and SI, business consulting, finance & accounting outsourcing (FAO), and accounting and were founded in 2015.
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277Undisclosed50 - 249 employeesLombard, ILPolaris Solutions, LLC is an IT managed services company founded in 2008. The agency provides IT managed services and Custom Software Development.Read More
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278$25,000+50 - 249 employeesPark Ridge, ILPeterson Technology Partners is a Staffing company. Based in Park Ridge, Illinois, their team offers Staffing and Recruiting.Read More
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279$25,000+50 - 249 employeesChicago, ILUniqcli, a Marketing Strategy company, was launched in 2017. They are headquartered in Chicago, Illinois; Los Angeles, California; Philadelphia, Pennsylvania and Raleigh, North Carolina and have a midsize team. Uniqcli focuses on Marketing Strategy, cloud consulting & SI, Low/No Code Development, IT strategy consulting, and more.Read More
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SootheIndustries
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280$1,000+10 - 49 employeesSpringfield, ILThousandfold Technology Solutions LLP is an UX agency. Their small team is based in Springfield, Illinois and specializes in UX/UI Design and Web Design. The firm was launched in 2014.Read More
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281$25,000+10 - 49 employeesRockford, ILEstablished in 2023, SparkFire is a small IT strategy consulting company based in Rockford, Illinois. Their team provides IT strategy consulting and Custom Software Development.Read More
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282Undisclosed50 - 249 employeesChicago, ILIT strategy consulting company Access Global Group was founded in 2011. The team provides IT strategy consulting and CRM consulting and SI and is based in Southlake, Texas and Chicago, Illinois.Read More
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283$10,000+50 - 249 employeesRolling Meadows, ILFounded in 2008, Inyxa, a midsize custom software development firm, is in Rolling Meadows, Illinois. Their services include Custom Software Development and ERP consulting and SI.Read More
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284$5,000+50 - 249 employeesMoline, ILFounded in 2004, Genius Business Solutions is a midsize Moline, Illinois-based ERP consulting and SI company. Their team offers ERP consulting and SI and IT staff augmentation.Read More
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285$1,000+10 - 49 employeesChicago, ILSEO agency Next Rank Solutions is in Chicago, Illinois. They offer Search Engine Optimization, Performance Marketing, Social Media Marketing, IT strategy consulting, and more and were founded in 2026.Read More
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286$25,000+50 - 249 employeesChicago, ILFounded in 1991, Strategic Systems International is a custom software development firm. The team specializes in Custom Software Development and Mobile App Development.Read More
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287Undisclosed10 - 49 employeesWarrenville, ILMavent Analytics is an IT strategy consulting company in Warrenville, Illinois. The team focuses on IT strategy consulting and BI & big data consulting & SI.Read More
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288Undisclosed50 - 249 employeesAurora, ILAI Consulting company Thoughtwave Software and Solutions Inc. Is headquartered in Aurora, Illinois and Waukesha, Wisconsin. Established in 2003, the team focuses on AI Consulting and Generative AI.Read More
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289$1,000+10 - 49 employeesGlenview, ILArystech is a cloud consulting & SI company launched in 2022. The firm offers cloud consulting & SI and IT managed services.Read More
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290$1,000+10 - 49 employeesChicago, ILAccuSights is a Cybersecurity company launched in 2025. The team offers Cybersecurity and Compliance Consulting.Read More
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291Undisclosed10 - 49 employeesChicago, ILScalesology is a big data company. They are based in Chicago, Illinois and Denver, Colorado, and their services include BI & big data consulting & SI and Custom Software Development.Read More
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292$25,000+2 - 9 employeesNaperville, ILVision Capital Management, an IT strategy consulting company, is located in Naperville, Illinois. The team specializes in IT strategy consulting and cloud consulting & SI.Read More
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293$5,000+2 - 9 employeesGlenview, ILBig data analytics company MindValley Solutions specializes in BI & big data consulting & SI and IT strategy consulting. They are located in Glenview, Illinois.Read More
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294$10,000+50 - 249 employeesChicago, ILDMC, Inc., a custom software development firm, is based in Chicago, Illinois and Somerville, Massachusetts. The team provides Custom Software Development and CRM consulting and SI.Read More
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3MIndustries
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295Undisclosed2 - 9 employeesAurora, ILUmbrella Security is a Cybersecurity and Building Security Services company. They are in Aurora, Illinois and have small team. They focus on Cybersecurity and Building Security Services.Read More
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296$5,000+2 - 9 employeesChicago, ILLynxgard Industries is a Cybersecurity company. Their team is headquartered in Chicago, Illinois and provides Cybersecurity and IT strategy consulting.Read More
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297Undisclosed1,000 - 9,999 employeesSchaumburg, ILNitor Infotech is a custom software development firm launched in 2006. The team offers Custom Software Development and Artificial Intelligence and is based in Schaumburg, Illinois.Read More
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298Undisclosed10 - 49 employeesNaperville, ILEQ Technology Group, Inc. Is an IT managed services company. They are in Naperville, Illinois, and their services include IT managed services and IT strategy consulting.Read More
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299$100,000+10 - 49 employeesNaperville, ILFounded in 2018, Flexday Solutions LLC is a small Naperville, Illinois-based IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
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300$5,000+50 - 249 employeesElgin, ILMultiQoS Technologies is an AI firm founded in 2020. The midsize team focuses on Artificial Intelligence, BI & big data consulting & SI, Mobile App Development, Custom Software Development, and more. The firm is located in Ahmedabad, India; Elgin, Illinois and Mannheim, Germany.Read More
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Polished ManiIndustries
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