Top 100 Application Modernization Companies in the United States
The Best of November 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.
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List of the Best United States Enterprise Application Modernization Services
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1$50,000+1,000 - 9,999 employeesNew York, NYVention is an artificial intelligence firm. Founded in 2002, the company is based in New York, New York; London, England; Marietta, Georgia and San Francisco, California. The large team focuses on Artificial Intelligence, Custom Software Development, Enterprise App Modernization, cloud consulting & SI, and more.Read More
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IBM PayPal pwc IC MarketsIndustries
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2$10,000+1,000 - 9,999 employeesSouthborough, MAAI Agents company Trigent Software - AI Development was founded in 1995. Their large team is in Southborough, Massachusetts and Bengaluru, India. Their services include AI Agents, Enterprise App Modernization, BI & big data consulting & SI, Custom Software Development, and more.Read More
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NavistarIndustries
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3$100,000+50 - 249 employeesSouthborough, MAAndPlus, An Ensono Company, an Enterprise App Modernization company, was established in 2009. The firm specializes in Enterprise App Modernization, Web Development, and Custom Software Development and has a midsize team. The firm is based in Southborough, Massachusetts and Livingston, New Jersey.Read More
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BloombergIndustries
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4$10,000+250 - 999 employeesHudson, OHTaazaa Inc. Is a custom software development company. Their midsize team is in Hudson, Ohio and Noida, India. The agency offers Custom Software Development, Artificial Intelligence, Enterprise App Modernization, UX/UI Design, and more.Read More
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PulseBoxIndustries
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5$25,000+50 - 249 employeesClaymont, DETest Double, an Enterprise App Modernization company, is in Claymont, Delaware. They provide Enterprise App Modernization, Custom Software Development, Artificial Intelligence, AI Consulting, and more and were founded in 2011.Read More
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BettermentIndustries
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6$10,000+10 - 49 employeesLittleton, COBriebug, an Enterprise App Modernization company, was established in 2009. The small Littleton, Colorado-based team focuses on Enterprise App Modernization, Custom Software Development, IT strategy consulting, Compliance Consulting, and more.Read More
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7$25,000+250 - 999 employeesMiami, FLKITRUM is a midsize custom software development company located in Miami, Florida and Warszawa, Poland. They offer Custom Software Development, Engineering, Artificial Intelligence, IT staff augmentation, and more and were launched in 2016.Read More
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PawSquad Franatech Ledgerset StackSourceIndustries
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8$50,000+50 - 249 employeesConshohocken, PAThink Company, an Enterprise App Modernization company, is in Conshohocken, Pennsylvania and Philadelphia, Pennsylvania. The agency offers Enterprise App Modernization, UX/UI Design, Product Design, Custom Software Development, and more and has a midsize team.The agency was launched in 2007.Read More
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ADP Vanguard Comcast Johnson & JohnsonIndustries
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9$50,000+250 - 999 employeesPalo Alto, CARead More
Turing is a small IT staff augmentation company. Established in 2018, the agency is in Palo Alto, California. Their services include IT staff augmentation.
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10$50,000+10 - 49 employeesCosta Mesa, CATepia is an app development company in Costa Mesa, California; Tampa, Florida; Pittsburgh, Pennsylvania and Austin, Texas. Launched in 2012, the small team focuses on Mobile App Development, IoT development, and Enterprise App Modernization.Read More
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11$10,000+50 - 249 employeesPortland, OREnterprise App Modernization company Darwoft was established in 2010. Their midsize team is based in Portland, Oregon; Córdoba, Argentina and Atlanta, Georgia and offers Enterprise App Modernization, IT staff augmentation, Mobile App Development, Product Design, and more.Read More
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Hometown HAVAS Sorcero LeonisaIndustries
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12$10,000+10 - 49 employeesFarmington, MIDenovo Studios is an Enterprise App Modernization company in Farmington, Michigan and Park Ridge, Illinois. The firm focuses on Enterprise App Modernization, Custom Software Development, Artificial Intelligence, and Mobile App Development and has a small team.The firm was established in 2015.Read More
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13$5,000+2 - 9 employeesBirmingham, ALLunarLab is a small user experience agency established in 2021. Their services include UX/UI Design, Enterprise App Modernization, Digital Strategy, Web Design, and more. The agency is based in Birmingham, Alabama.Read More
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Protective Life Croux Moxi AutoTecIndustries
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14$25,000+10 - 49 employeesAtlanta, GAEstablished in 2019, Bellwood is a small software development company. Their services include Custom Software Development, Enterprise App Modernization, E-Commerce Development, Mobile App Development, and more. The firm is in Atlanta, Georgia and Toronto, Canada.Read More
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WarnerMediaIndustries
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15$100,000+250 - 999 employeesChicago, ILObjective Group Inc - OGI is a software development firm. The midsize Chicago, Illinois-based team offers Custom Software Development, Enterprise App Modernization, IT managed services, IT strategy consulting, and more. The company was founded in 2017.Read More
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LiferayIndustries
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16$25,000+250 - 999 employeesLakeville, MNExcellent Webworld, a custom software development company, is located in Lakeville, Minnesota; Ahmedabad, India; North Perth, Australia and Calgary, Canada. The midsize agency was established in 2011. Their team provides Custom Software Development, Artificial Intelligence, Enterprise App Modernization, Mobile App Development, and more.Read More
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TiCKTOC Taxi App SolutionsIndustries
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17$10,000+10,000+ employeesBellevue, WABeyondsoft Consulting Inc., an IT strategy consulting company, is located in Bellevue, Washington. They provide IT strategy consulting, BI & big data consulting & SI, cloud consulting & SI, Custom Software Development, and more and were founded in 1995.Read More
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HPIndustries
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18$10,000+10 - 49 employeesSt. Petersburg, FLHeadquartered in St. Petersburg, Florida, Cyfrania is a small website development firm. Established in 2022, the team provides web development, mobile app development, and enterprise app modernization.Read More
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Plei, Inc MontiPlanet Kidiyo Luxury TherapistIndustries
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19$100,000+250 - 999 employeesLos Angeles, CAIn Los Angeles, California; Santa Monica, California; New York, New York and San Francisco, California, TheoremOne is a midsize software development company. They focus on Custom Software Development, IT strategy consulting, Business Consulting, IoT development, and more and were founded in 2007.Read More
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AT&TIndustries
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20$50,000+10 - 49 employeesScottsdale, AZLaunched in 2018, AKOS is an AI development company. Located in Scottsdale, Arizona and San Diego, California, their small team focuses on Artificial Intelligence, Custom Software Development, Enterprise App Modernization, BI & big data consulting & SI, and more.Read More
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ClubReadyIndustries
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21$25,000+10 - 49 employeesDenver, CORead More
Tonic, a enterprise app modernization company, is headquartered in Denver, Colorado. The small agency was launched in 2015. Their services include enterprise app modernization, ux/ui design, web development, and mobile app development.
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22$50,000+10 - 49 employeesOrlando, FLRead More
Concepta is an Orlando-based enterprise software development agency, founded in 2006. The team has about 50 members, who serve clients in the healthcare, hospitality, construction, business services sectors and a has a portfolio of Fortune 100, 500, and Franchise 500 companies. Services include tailored tech solutions, mobile app development, web development, BI, data intelligence, and IT staff augmentation.
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AdventHealthIndustries
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23$10,000+50 - 249 employeesHouston, TXCodup is a midsize custom software development firm launched in 2012. Their team provides Custom Software Development, E-Commerce Development, Enterprise App Modernization, Mobile App Development, and more. The company is based in Houston, Texas; Dubai, United Arab Emirates and Irvine, California.Read More
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UnileverIndustries
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24$25,000+250 - 999 employeesChicago, ILIn Chicago, Illinois, SPR is a custom software development firm. The company provides Custom Software Development, Enterprise App Modernization, cloud consulting & SI, UX/UI Design, and more and is midsize.The company was established in 1973.Read More
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25$25,000+250 - 999 employeesReston, VAMidsize software development firm Modus Create, is headquartered in Reston, Virginia. They provide Custom Software Development, Mobile App Development, Enterprise App Modernization, UX/UI Design, and more and were founded in 2011.Read More
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AudiIndustries
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26$25,000+10 - 49 employeesMcLean, VAEstablished in 2017, Fuselab Creative is an UX design agency. They are in McLean, Virginia and have a small team. Their services include UX/UI Design, Custom Software Development, Product Design, Enterprise App Modernization, and more.Read More
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27$50,000+50 - 249 employeesScottsdale, AZCustom software development firm Sonatafy Technology was founded in 2020. Their midsize team is located in Scottsdale, Arizona; Las Vegas, Nevada and Tijuana, Mexico. Their services include Custom Software Development, Mobile App Development, Enterprise App Modernization, IT strategy consulting, and more.Read More
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TaylorMade Golf, Caterpillar, MobiTV, IBM, Cisco, Fox, AKIDO, CoachLogix, Semantic Research, Buzztime, CalsenseIndustries
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28$25,000+10 - 49 employeesNew York, NYRead More
Consultadd is a software development company. They are headquartered in New York, New York; Pune, India and Irving, Texas and have a midsize team. The company focuses on custom software development, IoT development, mobile app development, wearable app development, and more.
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MizaruIndustries
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29$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is a custom software development firm. The Medina, Washington-based company was established in 2001. The small team focuses on Custom Software Development, UX/UI Design, Mobile App Development, Web Design, and more.Read More
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SheSports Brown Bear Car Wash Common Sense Privacy Applied Stem CellIndustries
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30$10,000+50 - 249 employeesLakewood, COValor Software is a midsize website development firm headquartered in Lakewood, Colorado; Dover, Delaware; Praha, Czech Republic and London, England. Established in 2013, the team offers Web Development, IT staff augmentation, IT strategy consulting, Enterprise App Modernization, and more.Read More
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BreetheIndustries
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