Top California Defense Companies (80)

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...

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...

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

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...

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...

HRL Laboratories, an IBM company, pioneers the next frontiers of physical and information science. Delivering transformative technologies in automotive, aerospace and defense, HRL advances the critical missions of its customers. As a private company owned by IBM, HRL is a source of innovations that advance the state of the art in profound and far-reaching ways.

STR makes the world a safer place by developing technology and applying it to solve emerging national security challenges.

Stratolaunch LLC designs, manufactures, and launches aerospace vehicles and technologies to fulfill several important national needs, including the need to significantly advance U.S. hypersonic flight test capabilities and help improve the nation’s ability to design and operate cutting edge hypersonic vehicles. Our hypersonic testbeds will provide customizable, reusable, and affordable access to the Mach 5+ flight regime. We are delivering...

FDH Aero is a trusted global supply chain solutions partner for aerospace and defense. We specialize in hardware, electrical, and consumable products and services for our global customers. Designed to deliver what you need, when you need it – FDH’s service-first teams proactively safeguard speed, reliability and availability of stock.

ATI Inc. specializes in advanced materials, including Ni/Co-base superalloys and specialty steels, serving industries such as Aerospace and Defense. The company also offers services in environmental remediation, research, facility management, construction, and building design.

CACI’s approximately 23,000 talented employees are vigilant in providing the unique expertise and distinctive technology that address our customers’ greatest enterprise and mission challenges. Our culture of good character, innovation, and excellence drives our success and earns us recognition as a Fortune World's Most Admired Company. As a member of the Fortune 1000 Largest Companies, the Russell 1000 Index, and...

We build high-throughput, plug-and-play phased array communication payloads for space and airborne platforms. CesiumAstro’s full-stack, multi-mission hardware and software products enable a diverse range of commercial and defense objectives. Full-system engineering design is at the heart of every CesiumAstro product. We deliver high-performance solutions under rapid development timelines.

Spectrum Plastics Group is a global leader in the design, development, and manufacturing of specialty medical components and devices, providing solutions from development through scaled manufacturing for medical and other demanding markets.

Energy and Defence systems, purpose-engineered from first principles. 800+ installations, 25+ countries, 30+ years — designed and built entirely in-house.

Our goal is to deliver composite parts faster than any other supplier in the market. We want to continually impress our customers with our speed, quality, and responsiveness to their needs.

An award winning, employee-owned small business focused on providing value and innovation in the areas of engineering, training, and flight services.

Twenty builds cyber technologies that protect democracies worldwide, developing revolutionary technologies that operate at the intersection of the cyber and electromagnetic domains.

Durin was founded under the belief that raw materials should not be a constraint on civilization's progress. We are actively developing the technologies to make this possible, with the ultimate goal of becoming the foundation of the global supply chain. Our modern way of life, from smartphones to skyscrapers, starts as ore in the ground. But mines don't simply appear. In...

Samara Aerospace is revolutionizing satellite design by addressing the challenges of deploying and managing large satellite constellations. Our innovative Hummingbird spacecraft bus offers a modular and scalable platform that streamlines satellite production and deployment, significantly reducing launch costs. Hummingbird's compact architecture maximizes launch capacity, making it the most efficient and agile spacecraft in the industry. At the core of our...

Govini builds software to accelerate the Defense Acquisition Process. Ark, Govini’s flagship product, is a suite of AI-enabled applications, powered by integrated government and commercial data, that solves problems across the entire spectrum of Defense Acquisition, including Supply Chain, Science & Technology, Production, Sustainment, and Modernization. With Ark, the Acquisition community eliminates slow, manual processes and gains the ability to...