Top California Aerospace Companies (224)

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...

Improving the future and protecting lives is an ambitious mission, but it’s what we do. As a leading aerospace, defense, and security company, we work together to deliver a full range of products and services for air, land, space, and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. How we work is rooted...

Relativity Space is on a mission to better connect humanity to space and the universe beyond our planet. Our medium-to-heavy lift reusable rocket, Terran R, will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that’s just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that...

Space was once the quietest place in the universe. Now, it's crowded, contested, and confrontational.  We are True Anomaly: the only defense company focused exclusively on space defense. Founded in 2022 by ex-U.S. Space Force members, True Anomaly designs and builds advanced systems for space superiority: agile and powerful spacecraft platforms, mission software engineered for unmatched command and control, and payloads...

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...

Turion Space is building the infrastructure to secure and sustain the future of space. Founded to address the growing need for space domain awareness, in-space servicing, and debris mitigation, Turion designs, builds, and operates spacecraft with real-world operational capability. Our vehicles are built for national security and commercial missions that require speed, autonomy, and resilience. We believe the next chapter of...

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

Advanced automation will make aircraft safer, more available, more affordable and fundamentally transformative to the way goods and people move around the planet. Starting with a certification-forward approach, Reliable Robotics first demonstrated gate-to-gate fully automated operation of a Part 23 aircraft and is now working towards commercialization of technologies for Part 23 cargo and Part 25 passenger vehicles.

Rebel Space Technologies is a space and cybersecurity company developing autonomous threat recognition and response software for wireless communication networks. Our mission is to protect and optimize networks with intelligent systems, securing humanity's hyper-connected infrastructure from Earth to deep space.

Inversion is developing low-cost, high cadence re-entry vehicles. Returning cargo & resources will be essential for humanity to continue to grow within low-earth orbit and beyond. We believe in a future where returning from space is as common as launching to space. Join us: https://boards.greenhouse.io/inversionspace

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.

Aalyria is creating, organizing and managing the world’s most advanced networks to enable connectivity everywhere at the speed of discovery. Aalyria brings together two technologies originally developed at Alphabet as part of its wireless connectivity efforts: atmospheric laser communications technology and a software platform for orchestrating networks across land, sea, air, space and beyond. It is backed by leading Silicon...

Wisk is an urban air-mobility company dedicated to delivering safe everyday flight for everyone. With over a decade of piloted and autonomous flight experience, we’ve created Cora—our all-electric, self-flying air taxi that will change the future of daily commutes and urban travel. Formed as a joint venture between The Boeing Company and Kitty Hawk Corporation, Wisk will shape the future...

Our current product offerings include Faucets, Fluid Controls & Water Systems, Cockpit Security Systems, Interior & Exterior Hardware, Door Latching systems, Flight Controls and Oxygen Systems

Vast is developing next-generation space stations to ensure continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Using an incremental, hardware-rich and low-cost approach, Vast is rapidly developing its multi-module Haven Station. Haven Demo’s 2025 success made Vast the only operational...

AeroVect deploys autonomous driving systems for GSE, trusted by the world's most innovative airlines and ground handlers

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

Founded in 2024, Scout AI is a venture-backed defense technology company building the AI brain for defense robotics. Fury, Scout's Vision-Language-Action foundation model, is engineered to transform uncrewed platforms into intelligent, mission-adaptive agents. Designed for use across ground, air, sea, and space domains, Fury enables warfighter-level reasoning and one-to-many robotic coordination. Headquartered in Silicon Valley with a center of excellence...

Space Kinetic is focused on our nation’s most urgent national security priorities. Our goal is to rethink space operations down to first principles to deliver game-changing capabilities for missile defense and space superiority.

CIRCOR International is a global manufacturer specializing in highly engineered, complex, and severe environment products that serve long-term, high growth infrastructure markets, including oil and gas, power generation, industrial, and aerospace & defense. CIRCOR. Excellence in Flow Control.