Top 50 Application Modernization Companies in Illinois
The Best of January 2026Looking for a top legacy modernization service in Illinois?
Application modernization companies can help create new business value from existing applications. Finding the right company to partner with, however, can be an overwhelming process.
To assist you in your search for a partner, we’ve compiled this list of the top application modernization services in Illinois. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Illinois Enterprise Application Modernization Services
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31$5,000+2 - 9 employeesLincolnshire, ILReplient is a small custom software development firm. They focus on Custom Software Development and Enterprise App Modernization and were established in 2019.Read More
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32$5,000+2 - 9 employeesChicago, ILWSC, an IT managed services company, offers IT managed services and Enterprise App Modernization. The company is based in Chicago, Illinois.Read More
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33$5,000+2 - 9 employeesBlue Island, ILBLAU Consulting Group LLC is a Digital Strategy company. Their small team of employees is in Blue Island, Illinois. Their team focuses on Digital Strategy and Custom Software Development.Read More
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34$25,000+Freelancer employeesChicago, ILFounded in 2011, Automly App Development Company is a web development firm. The firm specializes in Web Development and Custom Software Development.Read More
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35$5,000+10 - 49 employeesSchaumburg, ILCloudcafe Technologies is an e-commerce development company located in Schaumburg, Illinois. Founded in 1998, the team focuses on E-Commerce Development and Web Development.Read More
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36$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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37$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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38$5,000+10 - 49 employeesLibertyville, ILThinkNChange, a Back Office Outsourcing company, is in Libertyville, Illinois and Kingston, Jamaica. They focus on Back Office Outsourcing and Cybersecurity.Read More
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39$25,000+2 - 9 employeesNaperville, ILDeepfai Inc. Is an e-commerce development firm. Established in 2021, the team focuses on E-Commerce Development and Artificial Intelligence. The company is headquartered in Naperville, Illinois.Read More
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40$10,000+10 - 49 employeesOak Park, ILRead More
Uptic IO LLC is an Oak Park, Illinois-based DevOps Managed Services company. They focus on DevOps Managed Services, Enterprise App Modernization, cloud consulting & SI, Custom Software Development, and more and were launched in 2017.
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41Undisclosed10 - 49 employeesOak Park, ILAnvilo Inc. Is a software development firm. Established in 2015, the team offers Custom Software Development and unified communications consulting & SI.Read More
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42Undisclosed10 - 49 employeesSwansea, ILDino Consulting is a software development firm located in Swansea, Illinois. They provide Custom Software Development and Enterprise App Modernization and were founded in 2014.Read More
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43Undisclosed10 - 49 employeesDeerfield, ILSCIGON is a Cybersecurity company. They provide Cybersecurity and Enterprise App Modernization and were established in 2008. The agency is based in Deerfield, Illinois.Read More
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44$1,000+2 - 9 employeesChicago, ILAdminix is a software development firm headquartered in Chicago, Illinois and Vyshhorod, Ukraine. Founded in 2022, the team offers Custom Software Development and API Development.Read More
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45$25,000+250 - 999 employeesOak Brook, ILSenecaGlobal is a custom software development firm. They are based in Oak Brook, Illinois; Hyderabad, India and Nashville, Tennessee and have a midsize team. The firm specializes in Custom Software Development, Enterprise App Modernization, Artificial Intelligence, AI Consulting, and more.Read More
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46Undisclosed2 - 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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47$10,000+250 - 999 employeesChicago, ILSoftura is a midsize Farmington Hills, Michigan-based Application Management & Support company. Their services include Application Management & Support and Enterprise App Modernization.Read More
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48Undisclosed2 - 9 employeesChicago, ILEstablished in 2024, UXpressed is a Product Design company. The small team provides Product Design and Business Consulting.Read More
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49$10,000+10 - 49 employeesChicago, ILCRM consulting and SI company Edver was founded in 2020. The small team provides CRM consulting and SI and IT managed services.Read More
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50$50,000+1,000 - 9,999 employeesOakbrook Terrace, ILIn Irvine, California; Roseville, California; Boise, Idaho and Denver, Colorado, Synoptek, LLC. Is an IT managed services company. The large team specializes in IT managed services, Enterprise App Modernization, cloud consulting & SI, and IT strategy consulting and was established in 2001.Read More
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Champion Home ExteriorsIndustries
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51$25,000+1,000 - 9,999 employeesChicago, ILSimform, a cloud consulting & SI company, was launched in 2010. The firm offers cloud consulting & SI, Custom Software Development, Mobile App Development, Artificial Intelligence, and more and has a large team. The firm is located in Orlando, Florida; Los Angeles, California; Chicago, Illinois and San Francisco, California.Read More
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RedbullIndustries
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52$100,000+250 - 999 employeesChicago, ILRead More
Objective Solutions is a Sao Paulo, Brazil-based. The midsize firm was launched in 1995. Their services include.
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LiferayIndustries
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53Undisclosed50 - 249 employeesNaperville, ILBased in Naperville, Illinois and Bengaluru, India, SOAIS is an Application Testing company. They offer Application Testing and IT staff augmentation and were established in 2006.Read More
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