Top 100 IT Services Companies in Illinois
The Best of December 2025Looking 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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$5,000+50 - 249 employeesGaithersburg, MDRead More
DesignDATA is an IT managed services company. Established in 1979, the midsize agency is headquartered in Gaithersburg, Maryland and Washington, District of Columbia. Their services include IT managed services, IT strategy consulting, cloud consulting & SI, and Cybersecurity.
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$1,000+50 - 249 employeesNaperville, ILRead More
BetterWorld Technology is a midsize IT managed services company launched in 2003. Their services include IT managed services, Cybersecurity, IT strategy consulting, and Compliance Consulting. The company is headquartered in Naperville, Illinois; Naperville, Illinois; Winter Park, Florida and Denver, Colorado.
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271$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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272$10,000+50 - 249 employeesDenver, CORead 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.
Clients
Nvidia General Electric Zendesk UC BerkeleyIndustries
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273$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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274Undisclosed250 - 999 employeesBolingbrook, ILDelloweb International is a SEO company established in 2013. Their midsize team is located in Bolingbrook, Illinois and offers Search Engine Optimization, cloud consulting & SI, Web Development, Mobile App Development, and more.Read More
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275$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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276$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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277$1,000+10 - 49 employeesChicago, ILTissaa is a SEO services firm. They are in Chicago, Illinois and have a small team. The firm provides search engine optimization, IT strategy consulting, cloud consulting & SI, IT managed services, and more.Read More
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278$1,000+2 - 9 employeesNaperville, ILPatel Solutions is an IT managed services company. Launched in 2019, the team provides IT managed services and cloud consulting & SI. The firm is located in Naperville, Illinois.Read More
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279$5,000+50 - 249 employeesOakbrook Terrace, ILSocial media marketing agency Simplelogix provides Social Media Marketing and cloud consulting & SI. They were founded in 2007.Read More
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280$5,000+10 - 49 employeesNaperville, IL2Ops Sp. Z o.o. Is a small cloud consulting & SI company based in Kraków, Poland and Naperville, Illinois. Launched in 2024, the team focuses on cloud consulting & SI, DevOps Managed Services, and Cybersecurity.Read More
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281$10,000+50 - 249 employeesChicago, ILTrekShield is a midsize Chicago, Illinois-based Cybersecurity company. The team focuses on Cybersecurity and Blockchain.Read More
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282$1,000+250 - 999 employeesSchaumburg, ILRely Services Inc is a Back Office Outsourcing company. The Schaumburg, Illinois-based firm was launched in 1997. Their services include Back Office Outsourcing and CRM consulting and SI.Read More
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283$5,000+50 - 249 employeesSchaumburg, ILEstablished in 1994, Global Mobility Services, a midsize custom software development company, is based in Schaumburg, Illinois. Their team provides Custom Software Development and IT managed services.Read More
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284Undisclosed50 - 249 employeesPalatine, ILWhiztekcorp is a software development firm launched in 2000. The agency specializes in Custom Software Development and cloud consulting & SI, and is midsize.Read More
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285Undisclosed10 - 49 employeesRolling Meadows, ILSoftware development company Creative Designs Agency was founded in 2023. The firm provides Custom Software Development and IT strategy consulting.Read More
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286$1,000+10 - 49 employeesWheaton, ILERP consulting and SI company Merit Solutions is based in Wheaton, Illinois and Wheaton, Illinois. They specialize in ERP consulting and SI and were founded in 1999.Read More
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287Undisclosed10 - 49 employeesChicago, ILFounded in 2009, Dynamic Consulting is an ERP consulting and SI company. The company specializes in ERP consulting and SI and CRM consulting and SI, and is small.Read More
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288Undisclosed10 - 49 employeesChicago, ILEquilibrium IT Solutions is an IT managed services company. Their team is in Chicago, Illinois and provides IT managed services and CRM consulting and SI.Read More
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289Undisclosed50 - 249 employeesTinley Park, ILEstablished in 1991, ProviNET Solutions, a midsize software development firm, is located in Tinley Park, Illinois. Their services include Custom Software Development and cloud consulting & SI.Read More
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290$5,000+50 - 249 employeesChicago, ILFounded in 2006, SingleHop is an IT managed services company. Their team provides IT managed services and cloud consulting & SI.Read More
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291$5,000+2 - 9 employeesChicago, ILLeapfrog Technology Group, Inc is a small IT managed services company located in Chicago, Illinois. Their services include IT managed services and cloud consulting & SI.Read More
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292$5,000+10 - 49 employeesItasca, ILIn Itasca, Illinois and Wauwatosa, Wisconsin, MotherG is a small IT managed services company. The team offers IT managed services and IT strategy consulting.Read More
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293$5,000+50 - 249 employeesOakbrook Terrace, ILPeters & Associates, a midsize IT managed services company, is in Oakbrook Terrace, Illinois. Their services include IT managed services and cloud consulting & SI.Read More
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294$5,000+250 - 999 employeesLombard, ILColumn Technologies, an IT managed services company, was founded in 1998. The team provides IT managed services and BI & big data consulting & SI.Read More
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295$5,000+2 - 9 employeesSchaumburg, ILIT managed services company Komodo Cloud, LLC was founded in 2012. The team offers IT managed services and cloud consulting & SI and is in Schaumburg, Illinois.Read More
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296$5,000+250 - 999 employeesBloomington, ILSTL is an IT managed services company. Their midsize team is based in Bloomington, Illinois and Ghana. Their services include IT managed services and cloud consulting & SI.Read More
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297$5,000+1,000 - 9,999 employeesChicago, ILTrustwave is a large IT managed services and Cybersecurity company in Chicago, Illinois and Brazil. Their services include IT managed services and Cybersecurity.Read More
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298$5,000+10 - 49 employeesNaperville, ILWEB, an IT managed services company, was launched in 1996. In Naperville, Illinois, the team provides IT managed services and IT strategy consulting.Read More
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299$10,000+10 - 49 employeesNaperville, ILLocated in Naperville, Illinois, Solutions Group is a small cloud consulting & SI company. Their services include cloud consulting & SI and IT managed services.Read More
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300Undisclosed2 - 9 employeesChicago, IL720 Worldwide Inc. Is an IT strategy consulting company based in Chicago, Illinois. They focus on IT strategy consulting and IT staff augmentation and were launched in 2014.Read More
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Schedule ConsultationMost Reviewed IT Services Company in Illinois
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