Top Sunnyvale, CA Startups (10,000+)

HiBob helps modern, mid-size businesses transform the way they manage people, giving HR and managers all they need to connect, engage, develop, and retain top talent. Since 2015, we’ve achieved consecutive triple-digit year-over-year growth, all backed by our amazing team of Bobbers from across the globe, making us the choice HRIS of over 4000 midsize and multinational companies. Our HR platform...

Red 6 is an innovative Augmented Reality (AR) technology startup leading the way in synthetic air combat training. Our primary technology, supporting our ATARS product, enables pilots to simulate the cognitive challenges of flying while accessing realistic, scalable training in dynamic outdoor environments

Since our founding in 2004, Simplex has continued to remain at the forefront of the industry by focusing on innovation, automation, and data-driven analysis. Simplex is a leading technology-driven market-making firm that builds proprietary software to create and capitalize on financial opportunities. We combine talented and dedicated technologists with data-driven employees to solve constantly evolving puzzles in the marketplace. Specializing in...

GitLab is an open core software company that develops the most comprehensive DevSecOps Platform used by more than 100,000 organizations. Our mission makes it clear that we believe in a world where everyone can contribute. We make that possible at GitLab by running our operations on our product and staying aligned with our values. We strive to create a transparent environment...

Perk (formerly TravelPerk) is the intelligent platform for travel and spend management. Built to tackle the time-consuming, manual work that gets in the way of real work, our tools automate everything from travel bookings to expenses, invoice processing, and more. By eliminating this shadow work that wastes hours, erodes morale, and saps innovation, we’re on a mission to power real...

At Rapid7, our vision is to create a secure digital world for our customers, our industry, and our communities. We do this by harnessing our collective expertise and passion to challenge what’s possible and drive extraordinary impact. We’re building a dynamic and collaborative workplace where new ideas are welcome. Protecting 11,000+ customers against bad actors and threats means we’re continuing...

Altana is the world's product network, empowering a new era of global commerce by uniting businesses and governments on a trusted, AI-powered platform to build a safer, more resilient supply chain. The United States and allied governments use Altana’s product network to enforce tariffs and manage their borders. Five of the world’s 10 largest logistics providers use Altana to efficiently...

At General Motors, our vision is to create a world with Zero Crashes, Zero Emissions, and Zero Congestion. We wholeheartedly embrace the responsibility to lead the change that will make our world better, safer, and more equitable for all. Our industry and company are undergoing a once-in-a-lifetime technological transformation, which is reshaping our approach to technology and innovation. We are expanding...

The Federal Reserve Bank of Chicago is one of 12 regional Reserve Banks across the United States that, together with the Board of Governors in Washington, D.C., serves as the nation's central bank. The role of the Federal Reserve System, since its establishment by an act of Congress in 1913 , is to foster a strong economy and a stable...

Striveworks helps organizations get the most out of their investment in artificial intelligence. Our proprietary technology allows organizations to rapidly build, launch, and maintain AI models—in hours, not months. Users can deploy them in one click and keep them working even when the world changes around them. Striveworks delivers trustworthy AI-powered analysis by creating models that “learn” and stay ahead...

At WHOOP, we’re on a mission to unlock human performance. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives. Our wearable device and performance optimization platform has been adopted by many of the world's greatest athletes and consumers alike.

Hiya is trusted by global businesses, carriers, and consumers to enable secure, engaging connections and stop unwanted calls. Hiya is pioneering the next generation of AI-powered voice intelligence with real-time analysis and an AI assistant to enhance voice protection, productivity, and call performance. Hiya connects businesses with their customers, helps carriers secure their networks, and protects people from spam and...

Flatfile, the pioneer of AI-assisted data exchange, provides companies and their software development teams with the easiest, fastest, and safest way to build the ideal data file import experience for their users. Hundreds of companies such as AstraZeneca, Square or Sage rely on Flatfile’s extensible, API-first platform to create enterprise-scale, intelligent, file-based data import solutions, increase developer productivity, reduce cost...

AcuityMD is the intelligence platform for the MedTech industry. More than 300 MedTech companies – including six of the top 10 – use AcuityMD to identify target markets, surface top opportunities, and grow their business. With customers ranging from pre-commercial to enterprise, AcuityMD is committed to delivering the right insights so companies can understand where and how to sell faster...

Moov is a payments infrastructure platform making it easy to accept, store, send, and spend money all from a single, elegantly-designed API. Instead of stitching together multiple vendors, software companies simply add Moov to their products to get the latest in payment technology, user onboarding, licensing, compliance, and more.

Celonis makes processes work for people, companies and the planet. The Celonis Process Intelligence Platform uses industry-leading process mining and AI technology and augments it with business context to give customers a living digital twin of their business operation. It’s system-agnostic and without bias, and provides everyone with a common language for understanding and improving businesses. Celonis enables its customers...

BlackRock is a global asset manager. We help investors build better financial futures. As a fiduciary to investors and a leading provider of financial technology, our clients turn to us for the solutions they need when planning for their most important goals. Our founding mission was to establish a firm that thinks differently about managing investment risks to best serve...

Anduril is a defense products company. Unlike most defense companies, we don’t wait for our customers to tell us what they need. We identify problems, privately fund our R&D and sell finished products off the shelf. Ideas are turned into deployed capabilities in months, not years.

Introducing FRONTSTEPS — We are a resident engagement platform powering communities to be safe, informed, and efficient. Anyone can offer HOAs a website and document storage, FRONTSTEPS provides the opportunity to make a difference in a community. We are building the #1 software platform for HOAs, PMCs, builders, and security companies.

Upside is a technology company that increases the financial power of people and businesses in the real world. Our technology has helped millions of people get more purchasing power on the things they need, and tens of thousands of brick-and-mortar businesses earn measurable profit. Billions of dollars in commerce run through the Upside platform every year, and that value goes...