Top Arlington, VA Defense Companies (155)

Anduril is a defense products company. Unlike most defense companies, we don’t wait for our customers to tell us what they need. We identify problems, privately fund our R&D and sell finished products off the shelf. Ideas are turned into deployed capabilities in months, not years.

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...

Vantor is unleashing a more autonomous, interoperable world. Forging the new frontier of spatial intelligence, we empower decision makers and operators with the clarity they need to navigate what’s happening now and shape what’s coming next. Our AI-powered spatial intelligence platform fuses data from the world’s highest-resolution satellites with real-time sensor feeds from space, air, and ground to create the...

Ursa Major was founded to address a critical shortfall in the U.S. industrial base and bring a new model to aerospace and defense systems: we design and manufacture the world’s leading propulsion systems for space, hypersonic applications, and missile systems. Our products and technologies require an extraordinary team – a team that will mold tomorrow’s technologies while deploying today’s best....

ASI is a dual-use software company that deploys predictive AI to the world's most complex operating environments. Backed by leading investors–including Andreessen Horowitz, Renegade Partners, and Spark Capital–we actively manage over 25% of all US air traffic across both public and private sector air operations. Partnering with major airlines like United and Alaska, we optimize thousands of flights daily, delivering...

Biofire Technologies is on a mission to give gun owners better tools for reducing preventable gun injuries and deaths, especially among children and teens. Our mission-driven approach has earned support from the firearm community, the tech world, and the media.

Caliola Engineering, LLC’s staff of systems, security, and software engineers team with PhD researchers to identify and solve mission-critical problems for customers across the US Government. We have subject matter expertise in wireless communications, cryptography, protected MILSATCOM, software defined radio, and unmanned airborne systems. Our team has experience developing and transitioning innovative technologies to Programs of Record. We are a 100%...

Since our founding in 2019, Vannevar Labs has been building software for the country's most critical national security problems. We believe our military service members and intelligence officers deserve access to the best technology American innovation can offer, and we are building great products for this mission. Our founders have 30 years of combined experience across national security, government sales,...

Before Onebrief, military planning and collaboration was slow, inefficient, and resource-intensive. Building slides with no version control as partners collaborated would have staffs spend weeks or months on a single product or document. With Onebrief, these workflows are now simple and collaboration between large commands is efficient. Staff optimization is the key to building a more resilient, more effective military. Today...

Securing The Freedom of Operations Headquartered in Colorado, Sierra Space is a mission-proven Defense Tech company delivering satellite platforms, critical subsystems, reusable spaceplanes, hypersonic technologies, propulsion systems, and infrastructure for the nation’s most critical missions. With more than three decades of heritage and a record of flight-proven success in space, Sierra Space is trusted by U.S. National Security, Civil customers, and global...

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...

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.

MORSE is a specially selected team of scientists, engineers, and software developers who use asymmetric and unconventional approaches to deploy practical solutions that solve difficult multi-disciplinary problems faced by the US National Security Ecosystem.

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

The peaceful use of space is essential for continued prosperity on Earth—from communications and finance to navigation and logistics. True Anomaly builds innovative technology at the intersection of spacecraft, software, and AI to enhance the capabilities of the U.S., its allies, and commercial partners. We safeguard global security by ensuring space access and sustainability for all.

Striveworks helps organizations get the most out of their investment in artificial intelligence. Our proprietary technology allows organizations to rapidly build, launch, and maintain AI models—in hours, not months. Users can deploy them in one click and keep them working even when the world changes around them. Striveworks delivers trustworthy AI-powered analysis by creating models that “learn” and stay ahead...

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

𝐀𝐋𝐓𝐔𝐒 | Experienced engineering firm specializing in research & development, test & evaluation, and software development, delivering tailored solutions for mission-critical projects within federal agencies. 𝗖𝗔𝗚𝗘 𝗖𝗼𝗱𝗲: 3JEW9 𝗨𝗘𝗜: NMJLMSVZJMB4 𝗦𝗢𝗟𝗨𝗧𝗜𝗢𝗡𝗦 🎯 Research & Development (R&D) 🎯 Test & Evaluation 🎯 Software Development 𝗗𝗜𝗙𝗙𝗘𝗥𝗘𝗡𝗧𝗜𝗔𝗧𝗢𝗥𝗦 | ALTUS has over 15+ years of experience in Engineering, Test & Evaluation, Research & Development, and Software Development. We currently are on...

Venus Aerospace is developing reusable hypersonic technology that will revolutionize and redefine the boundaries of aviation, defense, and beyond.

Dedicated to building the preeminent firm in the fields of engineering and technical services, information technology, integrated logistics, warfighter, and mission support, we deliver the highest-quality, custom-designed products and services to all of our government and commercial clients. Operating under a wide variety of government contract vehicles, our efforts range from short-notice tasks to long-term projects, often fulfilling special requests while...