Top React Companies (3,245)

Founded in 2002, Leader Bank is a Massachusetts-based entrepreneurial financial institution that approaches banking differently. The core tenets of Leader Bank include client services, exemplary products, and innovation to meet the needs of its clients. Leader Bank’s best-in-class staff has been at the forefront of supporting the bank’s rapid growth and client-oriented solutions, as the bank has continued to expand...

Vannevar combines Silicon Valley innovation with former special operators to build AI for real-world national security outcomes. Since our founding in 2019, Vannevar has deployed its technology across 125 missions, safeguarding our service members and improving our country's deterrence. We believe our military service members and intelligence officers deserve access to the best technology American innovation can offer, and we are...

It’s curious to think of innovation and stability co-existing. But we pair a 100-year track record of success with a hunger to do things differently. Everyone is in the work — tackling complex problems where your impact can build back or build up the communities we serve. We fill our halls with curious minds from all walks of life. Our...

VelocityEHS is more than a software company - we’re a team of expert problem solvers passionate about making the world a safer, more sustainable place to work. We simplify complex challenges through innovation, collaboration, and smart technology that drives real impact. At VelocityEHS, you’ll join people who care deeply about doing meaningful work, growing together, and helping companies around the...

Fusion Risk Management is recognized as the most innovative and fastest growing provider of cloud-based enterprise software for business continuity risk management, IT disaster recovery and crisis management. Fusion is transforming the industry and has been named a leader in Gartner's Magic Quadrant for Business Continuity Management software.

Alchemy powers the top blockchain companies globally and has been featured in TechCrunch, Forbes, Bloomberg, and elsewhere. Our mission is to bring web3 to a billion people, by providing builders with the tools they need to build exceptional onchain products. Alchemy is the only complete developer platform that offers the powerful APIs, SDKs, and tools necessary to build and scale onchain...

The Farmer’s Dog was born from a mission to change the landscape of pet health, providing dogs and their humans with honest, smart, and simple care. We’re starting by radically improving the $90 billion pet food industry, replacing bulk bags of highly-processed mystery pellets with a personalized subscription service that sends healthy, freshly-made dog food directly to customers’ doors. Our...

iManage is dedicated to Making Knowledge Work. Over one million professionals across 65+ countries rely on our intelligent, cloud-enabled, secure knowledge work platform to uncover & activate the knowledge that exists inside their business content and communications. We are continuously innovating to solve the most complex professional challenges & enable better business outcomes. Our work is not always easy but it...

WorkWhile is an AI-powered next generation labor platform that helps businesses in light industrial, hospitality, and events achieve over 90% fill rates and reduce no-shows through AI and predictive machine learning. We ensure seamless shift execution with trained, on-demand workers supported by on-site leads, real-time performance monitoring, and a robust accountability system. Our worker-first model boosts retention through benefits like...

HRL Laboratories, LLC, Malibu, California, (hrl.com) pioneers the next frontiers of physical and information science. Delivering transformative technologies in automotive, aerospace and defense, HRL advances the critical missions of its customers. As a private company owned jointly by Boeing and GM, HRL is a source of innovations that advance the state of the art in profound and far-reaching ways.

We believe insurance is about relationships. And technology should only make them stronger. We exist to empower independent agents, carriers, and MGAs. To drive their success. Because their success is our success. And their ambitions for tomorrow are our goals for today. Since our inception, we’ve been the technology backbone of the insurance industry. We began punching cards for independent agents over...

From solo developers building their first app to large enterprise teams if it needs to be fast, reliable, and beautifully built, it runs on Vercel. Our platform powers millions of deployments a day. We started with a simple belief: the web should be fast for everyone, everywhere. That belief became Next.js. Then a platform. Then the infrastructure layer for the...

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building a resilient economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help...

Apryse, previously known as PDFTron, takes document solutions to the next level, making work better and life simpler. As a global leader in document processing technology, Apryse gives developers, enterprise customers, and small businesses the tools they need to reach their document goals faster and easier. Apryse’s market-leading SDK drives digital transformation and powers next-generation software applications with dynamic document...

By providing one unified platform where FI's can manage the end-to-end customer journey, Narmi securely drives primacy, customer growth, and efficiency. We unlock the very latest solutions in account opening and digital banking to allow our customers to reach their goals. Since our founding, Narmi has moved billions of dollars and opened hundreds of thousands of accounts for banks and...

At Arch Systems, we empower discrete manufacturing facilities with deep data insights that enable optimal efficiency, precise KPIs, and proactive decision-making. We work with leading manufacturers to integrate and optimize their data for actionable intelligence, fueling productivity and operational excellence.

Our all-in-one rental ecosystem establishes airtight trust between property managers and residents, unlocking a fast and fair experience for all. We build advanced tools and intuitive experiences to serve all sides of the rental equation: helping property managers grow their communities safely, and simplifying the path home for renters all across the US.

Gridline is here to redefine how private markets operate, making them faster, smarter, and more accessible. We are setting a new standard by building the Turnkey Alternatives Management Platform (TAMP) to help wealth managers run private market programs at scale. As a ledger-native system of record, Gridline provides a single source of truth that tracks the entire investment lifecycle down to...

Energy CX is a family-founded energy broker redefining how businesses buy energy. Powered by ABEL™, a proprietary platform, the company uses math-based trading methodologies to help customers treat energy like an investment, not a line item. Energy CX replaces fragmented tools and legacy broker models with a centralized, technology-led approach—reducing risk, controlling spend, and bringing clarity to complex energy markets....

We're honored to be No. 10 on Great Place to Work's World's Best Workplaces and recognized in the Fortune 100 Best Companies to Work For® list in 2025. At MetLife, we're leading the global transformation of an industry we’ve defined for over 157 years. At MetLife, every innovation and line of code is a lifeline for our customers and their...