Top California Defense Companies (78)

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...

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...

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...

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

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

HRL Laboratories, LLC, Malibu, California, (hrl.com) 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 jointly by Boeing and GM, HRL is a source of innovations that advance the state of the art in profound and far-reaching ways.

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...

Pacific Aerospace & Electronics (PA&E) designs and manufactures hermetic connectors and electronic packaging solutions for aerospace, defense, medical, space, telecommunications, and extreme environments, utilizing proprietary technologies and specialized manufacturing techniques.

Founded in 2021, Muon Space is an end-to-end Space Systems Provider that designs, builds, and operates LEO satellite constellations delivering mission-critical data. Our revolutionary, integrated technology stack enables customers to optimize every dimension of their missions for faster time-to-orbit and superior constellation remote sensing performance. From climate monitoring to national security, Muon Space is dedicated to delivering Earth intelligence for a...

The world brings ever-evolving challenges; SciTec builds solutions. Our forward-thinking approach provides a wide range of services and fully integrated technical support to the defense industry, governmental agencies, and industrial system development firm applications. We empower our scientists, engineers, and developers to deliver cutting-edge, advanced sensor systems, tailor innovative technologies to our customers’ needs quickly from concept to operational reality,...

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...

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.

Hadrian is building autonomous factories to reindustrialize America. By combining AI, advanced software, robotics, and full-stack manufacturing, we help aerospace and defense companies build rockets, satellites, aircraft, ships, and other mission-critical systems up to 10x faster and at significantly lower cost. Following our $1.37B Series D at a $7.87B valuation, Hadrian is rapidly expanding our manufacturing footprint, launching new capabilities across...

Artemis Consulting is a small, woman-owned business, founded in 2005, and headquartered in San Diego, CA.  We are a business consulting firm dedicated to delivering superior professional support consulting services.  We partner with customers throughout the Department of Defense to deliver critical acquisition, programmatic, and functional support that enables our clients to overcome their most persistent challenges.

Vishay manufactures one of the world’s largest portfolios of discrete semiconductors and passive electronic components that are essential to innovative designs in the automotive, industrial, computing, consumer, telecommunications, military, aerospace, and medical markets. Serving customers worldwide, Vishay is The DNA of tech™ Vishay Intertechnology, Inc. is a Fortune 1,000 Company listed on the NYSE (VSH). More on Vishay at www.Vishay.com. Vishay...

Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying critical materials for energy, AI, and defense technologies. It combines digital infrastructure with mineral project development to secure reliable and sustainable supply chains.

Astrolab designs and develops robotic mobility systems for planetary exploration, deploying surface mobility and infrastructure to enable sustained human and commercial operations on the Moon and Mars.

The space enterprise has been transformed by rapid change and growth. New vehicles for national security space, a more rapid launch cadence, proliferated satellite constellations, the pursuit of interplanetary exploration, and thriving commercial ventures are changing the nature of the space industry. The Aerospace Corporation (Aerospace) is a leading architect for U.S. space programs, shaping efforts to outpace threats to...

Space Made Simple. We are a true end-to-end service provider letting our customers rapidly deploy and operate their payloads on reliable high-performance satellites at an unprecedented simplicity and affordability.