Top C# Companies (1,283)

Inspira Financial provides health, wealth, retirement, and benefits solutions that strengthen and simplify the health and wealth journey. With more than 7 million clients, representing over $62 billion in assets, Inspira works with thousands of employers, plan sponsors, recordkeepers, TPAs, and other institutional partners — helping the people they care about plan, save, and invest for a brighter future. Inspira...

Flatiron Health is a healthtech company dedicated to helping cancer centers thrive and deliver better care for patients today and tomorrow. Through clinical and data science, we translate patient experiences into real-world evidence to improve treatment, inform policy, and advance research. Cancer is smart. Together, we can be smarter. Flatiron Health is an independent affiliate of the Roche Group.

Sonar provides the essential verification layer for the AI-driven development era, ensuring all code—whether human-written or AI-generated—is code you can trust. Today, AI coding tools are generating explosive volumes of code. This has created an "engineering productivity paradox" : faster code writing doesn't automatically lead to faster, safer software delivery. The new bottleneck is verification. Sonar solves this. Integrating code quality and...

THE PEAKSWARE COLLECTIVE What do athletes and musicians have in common? A lot, actually. They both chase a “next.” They both practice like it’s not practice. They both fine tune their physical and mental beings. They both get a rush from a new mastery, no matter how incremental. And they both co-exist creatively and collaboratively as members of the Peaksware companies. Each...

As the foundation for secure markets, OCC is a customer-driven organization that delivers world-class Risk Management, Clearing, and Settlement Services for a sophisticated mix of financial products that includes standard options, stock loans, and futures contracts.

Coupa is a global technology company that helps businesses run smarter by connecting all the ways they spend money — from procurement and expenses to payments and supply chain decisions — in one intelligent platform. In simple terms, Coupa gives organizations the visibility and control they need to make better financial choices, reduce waste, and drive real impact. It’s where...

You’ll Like It Here At Northwestern Mutual, we believe that our lives and our work matter. And that doing what’s right is good for everyone. We follow through by designing tech that improves the community and cultivating creative ways to make finance accessible anywhere. These guiding principles have allowed our company to grow for more than 160 years. Here, you’ll be with...

Vendavo partners with the world’s leading companies to accelerate growth and profitability, advance innovation, and build more prosperous communities. Our powerful, cloud-based, AI-powered pricing, selling, and prescribing solutions empower global manufacturers and distributors to manage, optimize, and digitize their end-to-end commercial processes. But we offer so much more than software. Our proven, repeatable process, and passionate, experienced people accelerate value...

Arcadia is a leading healthcare data analytics platform that helps payers and providers turn complexdata into actionable insights. In turn, payers and providers can focus on what matters most — whether that’s patient outcomes, operational efficiencies, or financial performance. Arcadia partners with many of the nation’s top healthcare organizations and empowers its teams to drive real-world impact through innovation, collaboration,...

EliseAI builds vertical AI agents for housing and healthcare — sectors that together make up nearly 40% of household spending. These agents automate high-volume workflows like leasing, maintenance, renewals, and patient intake, helping organizations cut costs, improve efficiency, and deliver better experiences. How does it work? EliseAI integrates directly into operational workflows: Housing: Manages leasing, maintenance, renewals, billing, and resident communication. Healthcare: Handles intake,...

Securing The Freedom of Operations Headquartered in Colorado, Sierra Space is a mission-proven Defense Tech company delivering satellite platforms, critical subsystems, reusable spaceplanes, hypersonic technologies, propulsion systems, and infrastructure for the nation’s most critical missions. With more than three decades of heritage and a record of flight-proven success in space, Sierra Space is trusted by U.S. National Security, Civil customers, and global...

Cencora is a leading pharmaceutical solutions organization centered on improving the lives of people and animals everywhere. With 46,000+ global team members, we have the opportunity to make a positive impact on healthcare in communities everywhere. Our team members are empowered to activate their careers through a collective of tools and resources designed to support individual career interests and...

Tune into the innovation, collaboration and culture that our team members bring to the office every day. We want you to be a part of our journey to build the next generation of technology that transforms the way the world communicates. Our team members are the key to our history of groundbreaking innovation and our continued progress. If you bring...

Geneva Trading LLC is a leading proprietary trading firm with a history of consistent success in the listed derivatives markets. Over the past 20 years, we’ve grown significant capital, developed proven technology, and maintained an appetite for diversified trading strategies. We foster innovation and look for people who can solve complex problems that drive immediate results. We've built a culture of...

Ellevation is a mission-driven company dedicated to helping English Learners (ELs) achieve their highest aspirations. We are an indispensable partner to school district administrators, teachers and students across the United States, who use our products to manage complex program requirements, build the capacity of teachers to serve multilingual learners, and empower students with the academic language necessary for success in...

We are a purpose driven healthcare technology company passionate about innovation and using technology to help people by solving real world problems. The ALIS team designs, builds, delivers, and supports our flagship product ALIS (pronounced “Alice” and stands for Assisted Living Integrated Solution).

Super-charged customer acquisition. Centerfield delivers outcome-based digital marketing solutions and personalized omnichannel experiences for the world’s leading brands. Powered by our proprietary Dugout platform, Centerfield acquires customers at scale for leading residential service, insurance, e-commerce and B2B brands. Centerfield’s digital experiences and digital brands, such as Business.com and BroadbandNow.com, reach more than 150 million in-market shoppers annually. Centerfield is headquartered...

The New Relic Intelligent Observability Platform helps businesses eliminate interruptions in digital experiences. New Relic is the only AI-strengthened platform to unify and pair telemetry data to provide clarity over your entire digital estate. We move your problem solving past proactive to predictive by processing the right data at the right time to maximize value and control costs. That’s why businesses...

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...

Alliant is unlike any other financial institution — a digital credit union that wows our members. We’re boldly disrupting banking norms to do good for our members, employees and communities. With 90 years of history and more than $19 billion in assets, Alliant Credit Union is the largest credit union in Illinois and one of the largest in the U.S. Our industry-leading...