Top Santa Ana, CA Startups (10,000+)

We’re a rapidly growing fintech bringing leading-edge technology and product design to corporate bond trading. With a start-up mentality, we’re constantly innovating and advancing, remaining nimble and agile as we grow. We combine market expertise with a diversity of thinking - experiences, backgrounds, and opinions from a variety of industries collaborating to drive innovation and bring ideas to life. Our...

Metropolis Technologies, Inc. is an artificial intelligence company whose computer vision platform enables checkout-free payment experiences for the real world. Its proprietary AI-driven technology reaches more than 50 million customers while reducing costs, increasing transparency and capturing additional revenue for real estate partners. Following its take-private acquisition of SP+, Metropolis is now the largest parking network in North America with...

Optimal is a performance marketing agency on a mission, to bring together the best data, technology, and people to achieve our clients’ marketing goals. Brand, campaign, or cause: we maximize performance at every moment. We are not only digital media strategists – we’re award-winning industry leaders, with deep knowledge spanning all things digital: from advertising and paid media to marketing and...

Mentor Collective is the premier Mentorship Operating System, enabling organizations to embed mentorship ecosystems into their institutions using their unique goals and data. Our proven approach supports learner and employee success, improves retention, and builds stronger talent pipelines, transforming the fragmented journey from education to meaningful employment. Backed by the most extensive dataset on mentorship outcomes and student and employee...

LogicMonitor® is the AI-first hybrid observability platform powering the next generation of digital infrastructure. LogicMonitor delivers complete visibility and actionable intelligence across on-premises, cloud, and edge environments. By anticipating issues before they strike, optimizing resources in real time, and enabling faster, smarter decisions, LogicMonitor helps IT and business leaders protect margins, accelerate innovation, and deliver exceptional digital experiences without compromise....

For global enterprises, commercetools provides the leading AI-first commerce platform that unifies commerce across any touchpoint, delivering unmatched revenue growth and performance. Our composable, cloud-native technology is the foundation for future innovation — from agentic commerce to conversational experiences — giving businesses the flexibility to design tailored, scalable commerce across any channel, at any scale. By removing the constraints of...

More than 2 million futures traders trust NinjaTrader's award-winning software and brokerage services to help them trade smarter. Since 2003, we've been building better futures for all traders by making futures trading more accessible, scalable, and user-friendly. As a bold, innovative thought leader in the trading space, we build products and services that empower active futures traders to easily analyze...

PartySlate is a fast-paced Chicago startup disrupting the $156 billion events industry in the United States. There are 13 million parties per year, produced by over 460,000 venues and vendors. PartySlate connects people planning all types of events — from weddings and corporate events to galas and milestone birthdays — with the venues and vendors who can bring their ideas...

Over 225,000 health and wellness professionals trust us to help them grow and run their practices. Our cloud-based, HIPAA compliant platform offers innovative features like paperless client intake, integrated billing, online booking, Telehealth, and so much more!

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...

Our e-commerce website has everything businesses and consumers need to make their business go, at prices that make sense. We have over 14 million products on our website (and counting) to help your business run that are shipped fast and often free. Throw in our award-winning workplace culture and you’ll find Zoro an amazing place to work and grow!

Enverus’ innovative technologies drive production and investment strategies, enable best practices for energy and commodity trading and risk management, and reduce costs through automated processes across critical business functions. Enverus is a strategic partner to more than 6,000 customers in 50 countries. Enverus is a portfolio company of Hellman & Friedman and Genstar Capital.

At Built In, our team is what makes us great. We are committed to empowering our partners to find top-notch talent and global professionals to thrive in the best roles for them. We offer a supportive environment where exceptional tech talent can grow both personally and professionally.

ABN AMRO Clearing USA LLC (AAC-USA) is a subsidiary of ABN AMRO Clearing Bank N.V. We are a global clearing firm that provides an integrated suite of financial services to professional trading participants in the global financial market. The core service offering consists of clearing, execution, stock borrowing and lending, settlement. AAC-USA has a Global Reach through direct and indirect clearing...

Yext (NYSE: YEXT) is the leading brand visibility platform, built for a world where discovery and engagement happen everywhere — across AI search, traditional search, social media, websites, and direct communications. Powered by over 2 billion trusted data points and a suite of integrated products, Yext provides brands the clarity, control, and confidence to perform across digital channels. From real-time...

Since our founding in 2019, Vannevar Labs has been building software for the country's most critical national security problems. We believe our military service members and intelligence officers deserve access to the best technology American innovation can offer, and we are building great products for this mission. Our founders have 30 years of combined experience across national security, government sales,...

CAIS is the leading alternative investment platform for independent financial advisors. The CAIS platform powers the pre-trade, trade, and post-trade lifecycle of alternative investments providing financial advisors and alternative asset managers a single operating system for scale and efficiency. CAIS serves over 2,000 wealth management firms that support more than 50,000 financial advisors who oversee approximately $6 trillion in end-client assets....

CrowdStrike has redefined security with the world’s most advanced cloud-native platform that protects and enables the people, processes and technologies that drive modern enterprise. Tested and proven, the world's largest organizations trust CrowdStrike to stop breaches with unparalleled protection against the most sophisticated cyberattacks. The CrowdStrike culture has been built upon our Core Values since the day we began. We...

Ursa Major was founded to address a critical shortfall in the U.S. industrial base and bring a new model to aerospace and defense systems: we design and manufacture the world’s leading propulsion systems for space, hypersonic applications, and missile systems. Our products and technologies require an extraordinary team – a team that will mold tomorrow’s technologies while deploying today’s best....

Current is a U.S. based consumer fintech and payments platform with over four million members and a mission to improve financial outcomes. It provides mobile banking services that give its members access to opportunities to improve their financial lives, such as paychecks up to two days early, up to 4% APY, fee-free overdraft, money management tools and insights, fee-free ATMs,...