Top 100 Application Modernization Companies in the United States

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Top 100 Application Modernization Companies in the United States

The Best of June 2026

Looking 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. 

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List of the Best United States Enterprise Application Modernization Services

  • 331

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Boston, MA
    In Boston, Massachusetts, Uncut Lab, LLC is a web development firm. They provide Web Development and E-Commerce Development and were founded in 2020.
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  • 332

    (0 Reviews)

    Not yet reviewed.

    $1,000+
    250 - 999 employees
    Albuquerque, NM
    ERP consulting and SI company MarkupChop was launched in 2014. Based in Albuquerque, New Mexico, the team specializes in ERP consulting and SI and Artificial Intelligence.
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  • 333

    (0 Reviews)

    Not yet reviewed.

    $10,000+
    2 - 9 employees
    San Francisco, CA
    Small software development company UI Flow, is located in San Francisco, California. The team provides Custom Software Development and Enterprise App Modernization.
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  • 334

    (0 Reviews)

    Not yet reviewed.

    $10,000+
    250 - 999 employees
    Brooklyn, NY
    Appnberry, a website development company, was established in 2011. The agency provides Web Development and Mobile App Development.
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  • 335

    (0 Reviews)

    Not yet reviewed.

    $50,000+
    50 - 249 employees
    Valley View, OH
    Avantia, Inc. Is a midsize custom software development company in Valley View, Ohio. The team offers Custom Software Development and Web Development.
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  • 336

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Slate Hill, NY
    Global Pioneers is a Cybersecurity company established in 2014. The firm provides Cybersecurity and Web Development, and is small.
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  • 337

    (0 Reviews)

    Not yet reviewed.

    $100,000+
    10 - 49 employees
    Overland Park, KS
    Integrity Inspired Solutions is a custom software development company. The agency is based in Overland Park, Kansas. Their team specializes in Custom Software Development and Web Development.
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    Clients

    Staples Promotional Products

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  • 338

    (0 Reviews)

    Not yet reviewed.

    $25,000+
    50 - 249 employees
    Irvine, CA
    Founded in 2007, Codazen is a software development company. Their services include Custom Software Development and Enterprise App Modernization.
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  • 339

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    Houston, TX
    Kastech Software Solutions Group is an IT strategy consulting company. They focus on IT strategy consulting and cloud consulting & SI and are headquartered in Houston, Texas and Hyderabad, India.
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  • 340

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Arlington, VA
    Eminent IT LLC is an Enterprise App Modernization company. Based in Arlington, Virginia, the company was launched in 2009. Their services include Enterprise App Modernization and IT managed services.
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  • 341

    (0 Reviews)

    Not yet reviewed.

    $50,000+
    10 - 49 employees
    Carlsbad, CA
    Launched in 2000, RemedyOne, a small custom software development company, is in Carlsbad, California. Their services include Custom Software Development and Web Development.
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  • 342

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    Baton Rouge, LA
    FusionStak is a custom software development firm. The Baton Rouge, Louisiana-based company was founded in 2015. Their team provides Custom Software Development and UX/UI Design.
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  • 343

    (1 Reviews) 5.0

    Timeliness

    4.5

    Service Excellence

    5.0

    Value

    4.5

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    Hicksville, NY
    ARYtech is a midsize software development company. Located in Hicksville, New York, the agency was founded in 2020. Their team provides Custom Software Development, Artificial Intelligence, ERP consulting and SI, cloud consulting & SI, and more.
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    Clients

    Aryzap QTV Tutor

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  • 344

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    San Francisco, CA
    SiliconMint is a San Francisco, California-based software development firm. Launched in 2012, the team focuses on Custom Software Development and Web Development.
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  • 345

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Alpharetta, GA
    Established in 2008, Shadow-Soft, a small IT strategy consulting company, is in Alpharetta, Georgia and Nashville, Tennessee. Their team offers IT strategy consulting and cloud consulting & SI.
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  • 346

    (0 Reviews)

    Not yet reviewed.

    $50,000+
    10 - 49 employees
    Vista, CA
    Web design agency Awsm LLC is located in Vista, California. They focus on Web Design and UX/UI Design.
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  • 347

    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Hillsborough Township, NJ
    Webtual Global Inc., a custom software development company, was founded in 2019. The company offers Custom Software Development and Enterprise App Modernization.
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  • 348

    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Annapolis, MD
    Enterprise App Modernization company Digital Charter, Inc. Was established in 2015. The small team specializes in Enterprise App Modernization and DevOps Managed Services.
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  • 349

    (0 Reviews)

    Not yet reviewed.

    $100,000+
    50 - 249 employees
    Franklin, TN
    Midsize mobile application development company Intevity, is headquartered in Franklin, Tennessee. The team provides Mobile App Development and AI Consulting.
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    Clients

    Under Armour

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  • 350

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Portsmouth, NH
    Based in Portsmouth, New Hampshire, The ATOM Group is a custom software development company. Their services include Custom Software Development and Enterprise App Modernization.
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    Clients

    Carnival

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  • 351

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Tulsa, OK
    Seed Technologies is a small website development firm. Founded in 2004, the team offers Web Development and Custom Software Development.
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  • 352

    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Waukee, IA
    Launched in 2012, Sysbunny is a custom software development company. The small team specializes in Custom Software Development and Mobile App Development.
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  • 353

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Bigfork, MN
    AfterNorth is a small Conversion Optimization company. They provide Conversion Optimization and IT managed services and were founded in 1998.
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  • 354

    (0 Reviews)

    Not yet reviewed.

    $100,000+
    10 - 49 employees
    Chicago, IL
    Launched in 2018, Focused is a small custom software development firm based in Chicago, Illinois and Denver, Colorado. Their team offers Custom Software Development and Mobile App Development.
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  • 355

    (0 Reviews)

    Not yet reviewed.

    $25,000+
    10 - 49 employees
    Chicago, IL
    One Six Solutions is a business intelligence company. They were founded in 2013, and their services include BI & big data consulting & SI and Enterprise App Modernization.
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  • 356

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    Clive, IA
    Established in 2008, American Technology Consulting is a Product Design company. Their services include Product Design and Custom Software Development.
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  • 357

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    Irvine, CA
    PreludeSys is an Enterprise App Modernization company. The team is in Irvine, California and Chennai, India, and their services include Enterprise App Modernization and Artificial Intelligence.
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  • 358

    (0 Reviews)

    Not yet reviewed.

    $25,000+
    250 - 999 employees
    Frisco, TX
    Launched in 2013, BuzzClan is an AI development company. In Frisco, Texas and Sahibzada Ajit Singh Nagar, India, the team offers Artificial Intelligence and Custom Software Development.
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  • 359

    (0 Reviews)

    Not yet reviewed.

    $100,000+
    50 - 249 employees
    Washington, DC
    IdeaCrew is a Washington, District of Columbia-based website development firm. Founded in 2002, the team offers Web Development and Custom Software Development.
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  • 360

    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Peyton, CO
    Established in 2024, Mimirtum LLC is a small Peyton, Colorado-based Cybersecurity company. Their team provides Cybersecurity and Enterprise App Modernization.
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