Top 100 Application Modernization Companies in the United States
The Best of August 2026Looking for a top legacy modernization service in the United States?
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 United States. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United States Enterprise Application Modernization Services
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901$5,000+50 - 249 employeesSanta Rosa, CARead More
GeneXus Consulting is corporate software development company based in Montevideo, Uruguay, with an additional location in Santa Rosa, Calif. Founded in 1988, the team of nearly 110 provides web, mobile app, and custom software development, enterprise app modernization, and application testing services.
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BPSIndustries
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902$10,000+50 - 249 employeesHouston, TXStreebo is a mobile application development company. Founded in 2009, their team focuses on Mobile App Development and Enterprise App Modernization.Read More
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TargetIndustries
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903$25,000+250 - 999 employeesNewark, CAArgusoft is a software development firm. They offer Custom Software Development, Mobile App Development, Web Development, Enterprise App Modernization, and more and were established in 2001. Their midsize team is based in Newark, California and Gandhinagar, India.Read More
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World Health Organization (WHO)Industries
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904$10,000+10 - 49 employeesNew York, NYE-done is an app development firm established in 2017. Based in Zaporizhzhia, Ukraine and New York, New York, the team offers Mobile App Development and Blockchain.Read More
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905$25,000+10 - 49 employeesOakbrook Terrace, ILLocated in Oakbrook Terrace, Illinois and Ahmedabad, India, Altum is a small AI firm. The team focuses on Artificial Intelligence and AI Consulting.Read More
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906$50,000+50 - 249 employeesPalo Alto, CARobiquity is an IT strategy consulting company. Based in Manchester, England and Toronto, Canada, the team provides IT strategy consulting and cloud consulting & SI.Read More
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907Undisclosed2 - 9 employeesEdison, NJRayonsoft Technologies Inc is an Enterprise App Modernization company. Their small team is based in Edison, New Jersey. Their services include Enterprise App Modernization and IT managed services.Read More
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908$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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909$1,000+10 - 49 employeesAustin, TXAlpha Hive AI is a custom software development firm. They are in Billericay, England and Austin, Texas and have small team. They specialize in Custom Software Development and Mobile App Development.Read More
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910Undisclosed10 - 49 employeesWeldon Spring, MOSmall custom software development company IT Looking Glass LLC, is based in Weldon Spring, Missouri. Their services include Custom Software Development and Web Development.Read More
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911Undisclosed10 - 49 employeesPortland, ORPortland Software Developers is an UX agency located in Portland, Oregon. The team offers UX/UI Design and Custom Software Development.Read More
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912$25,000+50 - 249 employeesAshburn, VAEstablished in 2020, SlateWorks Global Solutions is a custom software development company. The team specializes in Custom Software Development and Enterprise App Modernization.Read More
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913$10,000+50 - 249 employeesNew York, NYRead More
Somo is a digital development company of 125 employees, founded in 2009. Their headquarters is in London, England, with other locations in New York, San Francisco, Singapore, and Bristol, England. They offer numerous service lines, including mobile app development, enterprise app modernization, web development, and mobile marketing. They serve midmarket and enterprise businesses in various industries: media, automotive, business, financial services, advertising, and more.
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AudiIndustries
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914$25,000+50 - 249 employeesMiami, FLRead More
10decoders Consultancy Services Pvt Ltd is an IT managed services company. Their midsize team is in Chennai, India. Their services include IT managed services, IT staff augmentation, web development, IT strategy consulting, and more. The company was established in 2015.
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915$1,000+250 - 999 employeesRockville, MDUnicres Solutions is a midsize ERP consulting and SI company. They offer ERP consulting and SI and API Development and were founded in 2008.Read More
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916$50,000+10 - 49 employeesWashington, DCRead More
Launched in 2012, [e-spres-oh] is a custom software development company. They are located in Timișoara, Romania and Washington, District of Columbia and have a small team. Their services include custom software development, web development, mobile app development, and enterprise app modernization.
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917Undisclosed2 - 9 employeesAshburn, VAVirincia is a software development company. Their small team is in Ashburn, Virginia. Their services include Custom Software Development and UX/UI Design.Read More
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918Undisclosed2 - 9 employeesOverland Park, KSSmart Factory IO is a cloud consulting & SI company. Launched in 2017, the team provides cloud consulting & SI and IT staff augmentation.Read More
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919Undisclosed2 - 9 employeesPalo Alto, CASmart IT Concepts is a custom software development company. The Palo Alto, California-based firm was established in 2009. Their services include Custom Software Development and Web Development.Read More
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920Undisclosed2 - 9 employeesLos Angeles, CAAztecaNet Inc. Is a software development firm headquartered in Los Angeles, California. They focus on Custom Software Development and Web Development.Read More
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921Undisclosed2 - 9 employeesColorado Springs, COLangr Software Solutions, Inc. Is a software development company. They offer Custom Software Development and Web Development and were founded in 2003.Read More
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922$100,000+1,000 - 9,999 employeesOakland, CARead More
CI&T (formerly CINQ Technologies) is software development company based in Curitiba, Brazil with additional offices in Brazil and Miami. Founded in 1992, the team of 271 specializes in custom software development, IT staff augmentation, and UX/UI design. They work primarily with enterprise clients in the transportation and financial services industries.
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SITAIndustries
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923Undisclosed250 - 999 employeesFarmers Branch, TXZemoso Technologies is a Farmers Branch, Texas-based software development firm. The team specializes in Custom Software Development and Enterprise App Modernization.Read More
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924$50,000+10 - 49 employeesDallas, TXTera Craft Technologies, a software development firm, is in Kyiv, Ukraine and Dallas, Texas. The team provides Custom Software Development and Enterprise App Modernization.Read More
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925$1,000+50 - 249 employeesNewtown, CTFounded in 2017, Apptomate Digital Software Services Pvt Ltd is an AI development company. The company focuses on Artificial Intelligence and E-Commerce Development.Read More
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926$1,000+10 - 49 employeesNew York, NYMSD 365 Expert is an ERP consulting and SI company. Based in T'bilisi, Georgia and New York, New York, the team offers ERP consulting and SI and Enterprise App Modernization.Read More
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927$5,000+10 - 49 employeesSan Jose, CACRM consulting and SI company Clone-Tech is in San Jose, California and Nairobi, Kenya. They focus on CRM consulting and SI and ERP consulting and SI and were founded in 2022.Read More
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928Undisclosed10 - 49 employeesLawrence, KSIn Lawrence, Kansas, IT Consulting Services, Inc. Is a small Enterprise App Modernization company. The team provides Enterprise App Modernization and BI & big data consulting & SI.Read More
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929Undisclosed50 - 249 employeesNew York, NYCodurance Ltd, a custom software development company, was launched in 2013. They offers Custom Software Development and Enterprise App Modernization.Read More
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930Undisclosed50 - 249 employeesPlano, TXYorosis™ Technologies Inc is a big data analytics company in Plano, Texas and Kalapatti, India. They focus on BI & big data consulting & SI and cloud consulting & SI.Read More
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