Top 100 IT Services Companies in Illinois
The Best of March 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.
Jump to Most Reviewed Companies
List of the Best Illinois IT Companies
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451$1,000+50 - 249 employeesArlington Heights, ILKAT TECH SYSTEMS INC is a software development company in Arlington Heights, Illinois and Hopkins, Minnesota. The team specializes in Custom Software Development and Web Development.Read More
Industries
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452$5,000+1,000 - 9,999 employeesChicago, ILZS Associates is an user experience design company. The agency is based in Chicago, Illinois and New York, New York. Their services include UX/UI Design and cloud consulting & SI.Read More
Industries
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453Undisclosed50 - 249 employeesChicago, ILGibson Consulting Group, LLC is an unified communications consulting & SI company. They offer unified communications consulting & SI and Business Consulting and are headquartered in Chicago, Illinois.Read More
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454Undisclosed50 - 249 employeesChicago, ILNitel is an answering service company. They provide Call Center Services and IT managed services and are in Chicago, Illinois.Read More
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455$5,000+10 - 49 employeesChicago, ILLaunched in 2020, Kumo Partners is a small Chicago, Illinois-based Enterprise App Modernization company. Their services include Enterprise App Modernization and IT strategy consulting.Read More
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456$5,000+10 - 49 employeesVernon Hills, ILValrix LLC, a small UX design agency, is located in Vernon Hills, Illinois. The team specializes in UX/UI Design and Web Development.Read More
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457$1,000+2 - 9 employeesPalatine, ILJRB Team is a branding agency launched in 2013. The firm specializes in Branding and Marketing Strategy, and is small.Read More
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458$1,000+2 - 9 employeesChicago, ILFlyRank.com is a Marketing Strategy company. The team offers Marketing Strategy and Content Marketing, and the firm is headquartered in Chicago, Illinois.Read More
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459Undisclosed10 - 49 employeesChicago, ILNAFETS AI is a social media marketing agency. They were launched in 2015 and specialize in Social Media Marketing and Search Engine Optimization.Read More
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460$1,000+10 - 49 employeesChicago, ILBranding company Managed Service Provider - Taeyaar was launched in 2020. The company offers Branding and Direct Marketing, and is small.Read More
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461$10,000+2 - 9 employeesWheaton, ILFounded in 2019, Wolfco is a small Wheaton, Illinois-based Product Design company. Their team offers Product Design and IT strategy consulting.Read More
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462Undisclosed2 - 9 employeesChicago, ILDCoding Labs is a small custom software development company established in 2022. Their services include Custom Software Development and IT strategy consulting.Read More
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463$50,000+10 - 49 employeesChicago, ILLocated in Chicago, Illinois, One Design Company is a small custom software development firm. The team focuses on Custom Software Development and Branding.Read More
Industries
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464Undisclosed250 - 999 employeesChicago, ILAscend Technologies is an IT managed services company. They are in North Little Rock, Arkansas; Lincoln, Nebraska; Chicago, Illinois and Bentonville, Arkansas and have a midsize team. Their services include IT managed services, IT strategy consulting, cloud consulting & SI, CRM consulting and SI, and more.Read More
Industries
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465Undisclosed50 - 249 employeesSchaumburg, ILAllianze BPO International is a midsize Back Office Outsourcing company based in Kochi, India and Schaumburg, Illinois. The team offers Back Office Outsourcing and Market Research.Read More
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466$50,000+50 - 249 employeesChicago, ILRead More
Grape Up is a tech consulting company based in Cracow, Poland with no more than 250 employees. Founded in 2006, they provide custom software development, cloud consulting, and IT staff augmentation services for enterprise-level and mid-market clients alike.
Clients
Porsche AGIndustries
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467Undisclosed2 - 9 employeesChicago, ILO-H Community Partners is a Business Consulting company based in Chicago, Illinois. Founded in 2004, the team provides Business Consulting and unified communications consulting & SI.Read More
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468Undisclosed2 - 9 employeesStreamwood, ILAcextic Consulting is a Corporate Training & Coaching company. Founded in 2006, their team focuses on Corporate Training & Coaching and Cybersecurity.Read More
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469Undisclosed2 - 9 employeesBarrington, ILAlrecco is a Barrington, Illinois-based custom software development firm. Established in 1993, the team focuses on Custom Software Development and BI & big data consulting & SI.Read More
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470Undisclosed2 - 9 employeesBloomington, ILSmall software development firm Trinitiii, is in Bloomington, Illinois. Their services include Custom Software Development and Cybersecurity.Read More
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471Undisclosed2 - 9 employeesO'Fallon, ILLN2S Consulting LLC is an other IT consulting and SI and application development firm founded in 2020. The company offers other IT consulting and SI and Mobile App Development, and is small.Read More
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472Undisclosed2 - 9 employeesHillside, ILEstablished in 2015, Secure Compliance Solutions is a small Hillside, Illinois-based Cybersecurity and Compliance Consulting company. Their team focuses on Cybersecurity and Compliance Consulting.Read More
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473Undisclosed2 - 9 employeesChicago, ILOscillas Technologies, Inc. Is a Chicago, Illinois-based big data company and custom software development firm. Their services include BI & big data consulting & SI and Custom Software Development.Read More
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474Undisclosed2 - 9 employeesChicago, ILLaunched in 1994, Burger Consulting Group is a Business Consulting company. The team provides Business Consulting and IT strategy consulting.Read More
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475$1,000+10 - 49 employeesSchaumburg, ILTraveltekpro It Solution is a Mobile & App Marketing company established in 2021. The team specializes in Mobile & App Marketing and IT staff augmentation and is based in Schaumburg, Illinois.Read More
Industries
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476Undisclosed50 - 249 employeesPana, ILIT managed services company Service Specialists Ltd was established in 1967. The agency specializes in IT managed services and Warehousing & Distribution, and is midsize.Read More
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477Undisclosed50 - 249 employeesEvanston, ILAspiritech, a big data analytics company, was launched in 2008. The midsize team offers BI & big data consulting & SI and Application Testing.Read More
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478$1,000+10 - 49 employeesCrystal Lake, ILFounded in 2013, Nex Gen Dynamics, a small graphic design company, is in Crystal Lake, Illinois and Chicago, Illinois. Their team offers Graphic Design and Social Media Marketing.Read More
Industries
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479$10,000+2 - 9 employeesChicago, ILCartPilot is a Digital Strategy company. The Chicago, Illinois-based team focuses on Digital Strategy and E-Commerce Development.Read More
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480Undisclosed2 - 9 employeesBolingbrook, ILIn Bolingbrook, Illinois, VarianceM is a small IT managed services company. They focus on IT managed services, cloud consulting & SI, IT strategy consulting, and IT staff augmentation and were launched in 2013.Read More
Clients
Mazzetta Company
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Check out an IT Services Company in Illinois with the most new reviews in the past 12 months.
Most Reviewed
IT Services Company
Illinois
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- 12 4 new reviews
- 13 4 new reviews
- 14 3 new reviews
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