Top California Aerospace Startups (185)

We’re developing reusable vehicles that bring payloads home from orbit safely and precisely, enabling faster in-space manufacturing, global delivery, and entirely new capabilities in the space economy.

At Revel, we are revolutionizing the way the world’s most critical hardware is controlled—across aerospace, automotive, energy, and manufacturing sectors. Our next-generation software stack combines an intuitive command/control interface, a specialized programming language tailored for hardware control, and a high-performance runtime environment. We empower engineers to build, test, and deploy critical systems rapidly, reliably, and safely.

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

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...

Rangeview is building a modern casting platform to manufacture critical metal parts for aerospace, defense, and energy. We combine advanced software, automation, and materials science to reinvent how parts are designed and produced. Based in El Segundo, California, our team brings engineering, manufacturing, and technology together to build the foundry system that reindustrializes America.

Skyports Infrastructure is the leading enabler of Advanced Air Mobility (AAM), providing the critical link between the ground and the sky. The company designs, builds and operates take-off and landing infrastructure for air taxis, and partners with world-class electric vertical take-off and landing (eVTOL) vehicle manufacturers to enable safe, sustainable and efficient cargo and passenger flight operations within urban and suburban environments. 

Brandes Associates, Inc. (BAI) is a small defense-services and technology company that provides engineering, software development, systems engineering, program acquisition and management, logistics, and technical support. Founded in 1990, it serves the Department of Defense, Intelligence Community, and other U.S. and foreign clients. BAI also develops secure interoperability products and UAV solutions, operating from Denver-area headquarters and customer-co-located offices nationwide.

We empower people to safely operate complex systems. With nearly 70 years of expertise in human-machine interaction, STI's research-backed solutions enhance assessment, training, and human performance across aerospace, defense, and clinical applications.

We mine asteroids to extract platinum group metals (PGMs) in space at a lower cost and smaller carbon footprint than the current terrestrial mining methods. PGMs are critical to advanced manufacturing, clean energy technologies, and sustainable infrastructure, but are rapidly depleting on Earth. Traditional mining for these resources comes at high environmental and financial costs. Extracting these resources from asteroids...

GaN Corporation (dba "Geeks and Nerds"​) is an employee-owned, Huntsville-based technology company that provides technical and management services to government and commercial customers in the areas of Cyber Security, Systems Engineering, Test & Evaluation, Software Engineering, and Information Technology. We are a nationally recognized company for our innovation (2012 Huntsville Chamber of Commerce Technology Business of the Year, 2013 IEEE...

nnoflight is a Non-traditional Defense Contractor (NDC) founded in 2004. Innoflight offers state-of-the-art software-defined compact/ground radios, cryptographic and cyber secure systems and processing, networking and data storage avionics. Innoflight’s offered products include compact flight computers, payload interface electronics, network switches/routers, solid state data recorders, etc. Our core competency is secure Command, Control, Communications and Computers (C4) design through innovative implementation...

STA Jets is a leader in executive charter, aircraft management, and aircraft sales and acquisition services, providing strategic private aviation solutions and top-tier world travel for clients worldwide.

NATILUS is a small and growing team of extremely passionate engineers working on re-thinking the next generation of freight aircraft. We are builders and designers who have worked on 25+ aircraft programs in general aviation, commercial and military aviation. We believe that reducing the cost of air freight by 60% will bring fresher produce into our stores, enable cross-border e-commerce...

On a quest to make access to goods as frictionless and universal as access to information, starting with rapid, autonomous, on-demand medical deliveries that save lives and transform healthcare

Snowline Engineering has developed innovative production solutions for precision commercial and industrial products since 1966. From design to machining and fabrication to turnkey assembly, our services are optimized for efficient and sustainable manufacturability. Our complete engineering support capabilities are backed by decades of applied expertise in some of the world’s most quality-focused industries – from the automotive and transportation sectors...

Impulse enables low-cost and nimble last-mile space payload delivery - access any orbit, reach other worlds.

TDI Technologies, Inc. is a professional services company founded in 1988, providing highly technical, technology-driven solutions to federal and commercial clients. The company specializes in core competencies including research and development, cybersecurity, software development, and engineering services. Their mission is to deliver consistent, high-quality professional services and innovative solutions that exceed customer expectations, particularly in supporting the US Navy and...

Portside is a modern platform connecting the global business aviation Industry. Management companies. Aircraft owners. Corporate flight departments. Fractional and jet card operators. Charter operators. Business aviation customers. Portside is the only purpose-built cloud software platform designed to seamlessly connect all participants in the global business aviation industry, enabling instant exchange of data, reporting and analytics.

Tri Tool Technologies is a global leader in the design and manufacture of custom-engineered solutions and precision machine tools. They provide specialized on-site machining, pipe beveling, tube squaring, and flange facing services. The company serves diverse industrial sectors including aerospace, government and defense, life sciences, power generation, oil and gas, and semiconductors, focusing on solving complex challenges with innovative, high-quality...

Over a century after the Wright Brothers changed the course of aviation at Kitty Hawk, we are working to open up the skies to the masses. By combining technology and human ingenuity, we want to usher in the next great era of transportation. Skyryse wants to allow anyone, to fly anywhere, in any aircraft, safely and as a highly experienced pilot...