Southern California's
Startup Directory
Series B$84.3MRebuilding healthcare with AI at the core
Pre-Seed$250KBetter, faster tech vendor research
Series D$833.1MWe provide efficient in-space mobility that moves payloads from low Earth orbit to any destination. Our vehicles deliver rapid, reliable access, reducing costs and timelines to make space operations feasible for commercial, government, and scientific missions.
Series C$80.1MOutpace AI-driven attacks. Unify Digital Risk Protection, Human Risk Management, and Email Security to stop digital threats before they scale, empower your teams to lead your defense, and scale your SOC with agentic AI.
EXPLORE BY CITY
WHAT SOUTHERN CALIFORNIA BUILDS
Artificial Intelligence
The region's largest single cluster by company count — AI and machine learning threaded through nearly every other industry here, from defense to biotech to entertainment.
Aerospace & Defense
Home to SpaceX, Northrop Grumman, and a new wave of hypersonics and space-infrastructure startups.
Entertainment & Gaming Tech
Hollywood's production infrastructure, live events, and a growing games and creator-tools scene.
Semiconductor Hardware
Qualcomm and Broadcom anchor a chip-design cluster spanning the region.
Medical Technology
A deep biotech research base and a growing bench of medical device and diagnostics startups.
B2B
Business software and services sold to other companies. The largest single category of startup across Southern California, spanning sales tools, vertical operating systems, and everything in between.
Industrials
Manufacturing, hardware, and physical-world operations. Overlaps heavily with the region's decades-old aerospace and defense manufacturing base, now extending into robotics and automated production.
Consumer
Products and apps built directly for individual consumers, drawing on Southern California's media and entertainment base.
Healthcare
Health tech, medical devices, and healthcare services, backed by a decades-old biotech research base and a deep bench of clinical and diagnostics startups.
Fintech
Financial technology: payments, banking, investing, and financial infrastructure.
Education
Education technology and learning platforms built across Southern California.
Real Estate & Construction
Property technology, construction tech, and real estate services.
Seed$4.0MStetson Steel supplies quality steel and galvanized products as well as ornamental iron.
$4.0MHatsu Labs, a game studio founded by Brandon Saw, is backed by Andreessen Horowitz and South Park Commons.
$4.0MChildren’s healthcare products designed to make sick days more playful. Playhouse MD empowers kids to feel confident and connected — because a dose of play goes a long way.
$4.0MPowering your mission to the Moon, Mars, and Beyond
Seed$3.9MCo-founded by Imad Izemrane and Ciarra Pardo; NBA star Russell Westbrook joined the company as an investor and resident curator.
Series A$3.9MProviding solar installations to commercial, industrial, and agricultural facilities. Trinary Energy uses a power purchase agreement to provide renewable energy at no up-front cost to you.
$3.8MChromaCode is a leading provider of HDPCR™ multiplexing technology for genomic solutions. Our breakthrough platform enables labs, physicians, and patients to access actionable biomarkers faster and more affordably. With HDPCR™, you can get critical and complete data, analyzed with simplicity, without paying for excess information.