Top Tech Companies in California (10,000+)

A leading global aerospace company and top U.S. exporter, Boeing develops, manufactures and services commercial airplanes, defense products and space systems for customers in more than 150 countries. Our U.S. and global workforce and supplier base drive innovation, economic opportunity, sustainability and community impact. Boeing is committed to fostering a culture based on our core values of safety, quality and...

Formally known as Freedom Financial Network, Achieve launched in 2022 as the leading digital personal finance company helping everyday people get on, and stay on, the path to a better financial future. Achieve delivers personalized financial solutions for real people through intelligent technology and an empathetic human touch. From the single parent trying to buy a home to the overworked...

We are an omnichannel customer acquisition platform with offices throughout the US, Canada and Europe. System1 builds desktop and mobile apps, search engines, and online publications that empower consumers with information while respecting their privacy. We also operate brands that include CouponFollow, Startpage and MapQuest. System1 is a champion of AI technology, investing in the first legal AI called Vinny...

Headway’s mission is a big one – to build a new mental health care system everyone can access. We’ve built technology that helps people find great therapists with the first software-enabled national network of providers accepting insurance. 1 in 4 people in the US have a treatable mental health condition, but the majority of providers don’t accept insurance, making therapy...

We're Mochi Health, a pioneering force in obesity medicine dedicated to building personalized, clinically-backed weight care solutions. We're on a mission to empower patients with one-on-one virtual care and proven pharmaceutical treatments. We recognize that every body is unique, and believe weight loss plans should be, too. With over 100 million individuals struggling with obesity and 15 million already using GLP-1 prescriptions,...

Million Dollar Baby Co. started in 1990 and is proudly family-owned and operated in Los Angeles. Since then, MDB has grown to 7 distinct brands of children’s furnishings ranging in style, aesthetic, and price, while carrying some of the industry’s most eco-conscious and award-winning designs. We can be found in retailers like Target and Amazon, and specialty retailers like Pottery...

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...

ClickMint helps e-commerce brands generate more revenue from the traffic they already pay for. We build and operate channel-adapted shopping funnels for paid social, affiliate, PPC and other acquisition channels—aligning the post-click experience to traffic intent instead of sending every visitor through the same generic path. Our system combines diagnostics, experimentation, measurement and senior operator oversight to improve revenue per...

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...

As the world’s largest asset manager, BlackRock partners with investors around the globe to help them (and those on whose behalf they invest) plan for life’s most important goals – like retirement, home ownership and their children’s education. Our clients range from governments, foundations and other large institutions to those investing on behalf of individuals, including firefighters, nurses, teachers and...

Webflow empowers teams — from startups to the Fortune 500 — to design, build, and grow for the web, all without writing a single line of code. Simply put: we’re changing the way the internet gets built. Instead of relying on long dev cycles or heavy engineering support, Webflow lets teams move from idea to launch faster — bringing creativity...

For over a decade, we built the infrastructure behind conversations, chat, voice, video, messaging APIs. We became the #1 CPaaS platform for in-app communications. 4,000+ brands trust us. 7 billion messages flow through our platform every month. 300 million monthly active users. We powered conversations for DoorDash, Match Group, Noom, Yahoo Sports, Rakuten, and thousands of others. We were good at...

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...

As the AI platform for business transformation, we're putting AI to work across organizations — freeing people for work that matters. Making old tech work with new tech. Reaching across departments, from the front office to the back office and every office in between. Our ambition? To become the AI defining enterprise software company of the 21st century (or "AI...

We're a global community of bold visionaries and resourceful doers who are shaping the future of Dropbox—and with it the future of work. Our Virtual First model combines the flexibility of a distributed workplace with the power of human connection, making space for both meaningful work and meaningful relationships. With our start-up mindset and enterprise-level opportunities, you can be who...

OpenX is The Intelligent SSP™ (supply-side platform), simplifying advertising for marketers, advertisers, and publishers worldwide. As one of the largest SSPs globally, OpenX combines the industry’s only fully cloud-based infrastructure with leading AI capabilities to make digital advertising easier and more effective across every format, including CTV. Built to responsibly deliver quality, performance, and adaptability, OpenX makes digital advertising safer,...

Founded in 2020 by George Sivulka and backed by Peter Thiel and Andreessen Horowitz, Hebbia powers investment decisions for BlackRock, KKR, Carlyle, Centerview, and 40% of the world’s largest asset managers. Our flagship product, Matrix, delivers industry-leading accuracy, speed, and transparency in AI-driven analysis. It is trusted to help manage over $15 trillion in assets globally. We deliver the intelligence that...

Cie is a venture studio that serves as an innovation lab and accelerator for bold entrepreneurs who want to transform disruptive ideas into thriving ventures. Cie blends Silicon Valley DNA with the business maturity of serial entrepreneurs, seasoned venture capitalists, and Fortune 500 executives. Combined with the team’s strategic and operational expertise in technology, product development, brand building, and customer acquisition,...

SoFi wasn’t built to be a bank. Or a technology company. We were built for one mission: help people achieve financial independence so they can realize their ambitions. Redefining an entire industry isn’t easy work—and it’s not for the faint of heart. It takes a certain kind of team. People with diverse perspectives and expertise, united by a common sense of...

Doodle Labs designs and produces industrial-grade wireless networking solutions. The company focuses on mesh networking for robotic systems, providing high throughput, long-range Mesh Rider solutions for UAVs, UGVs, AMRs and other robotic applications. The company’s Helix Mesh Rider Radio was developed with sponsorship from DIU and is the Blue UAS program’s datalink of choice. Doodle Labs was named one of Fast...