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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271$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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272Undisclosed50 - 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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273$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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274Undisclosed2 - 9 employeesNaperville, ILZakiant, LLC is an AI development company launched in 2014. The team offers Artificial Intelligence and cloud consulting & SI.Read More
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275Undisclosed50 - 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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276$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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277$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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278$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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279$1,000+10 - 49 employeesRockton, ILSparkFire, an IT strategy consulting company, was launched in 2023. The team offers IT strategy consulting and Custom Software Development.Read More
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280Undisclosed50 - 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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281$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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282$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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283$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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284Undisclosed10 - 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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285$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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286$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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287Undisclosed10 - 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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288$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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289$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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290$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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291Undisclosed2 - 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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292$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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293Undisclosed1,000 - 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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294Undisclosed10 - 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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295$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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296$1,000+50 - 249 employeesLombard, ILRead More
Belkins is a midsize Sales Outsourcing company launched in 2017. Their services include Sales Outsourcing, Email Marketing, CRM consulting and SI, and Call Center Services. The company is in Denver, Colorado; Kyiv, Ukraine; Cheyenne, Wyoming and Lombard, Illinois.
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Nvidia General Electric Zendesk UC BerkeleyIndustries
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297$1,000+50 - 249 employeesLeland Grove, ILZG Worldwide Consultants, a Business Consulting company, specialize in Business Consulting and Custom Software Development. They were launched in 2013.Read More
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298$5,000+2 - 9 employeesChicago, ILBlue Bist is a cloud consulting & SI company. Their small team is headquartered in Chicago, Illinois. Their services include cloud consulting & SI and Business Consulting.Read More
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299$1,000+2 - 9 employeesAurora, ILPlaintext Digital is a small artificial intelligence firm. They focus on Artificial Intelligence and AI Consulting and were established in 2026.Read More
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300$5,000+10 - 49 employeesChicago, ILEverpeak Partners is a CRM consulting and SI company. Their small team is headquartered in Portland, Oregon. The firm provides CRM consulting and SI and ERP consulting and SI.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
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