Top Arlington, VA Defense Startups (88)

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...

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...

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%...

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...

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,...

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.

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.

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...

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...

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.

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...

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...

Xenith Solutions LLC is a Service-Disabled Veteran-Owned Small Business. We value our employees and provide 100% employee premium paid health insurance, dental and vision care. We also offer our employees unlimited Paid Time Off (PTO). We do not want our employees to worry about caring for themselves or their families as well as ensuring they have ample time off to...

Guild Associates has the following business areas: • Biogas Processing Equipment • BSR-050 Hydrogen Sulfide Removal Media • Containerized Military Equipment • Chemical Warfare Protection Adsorbents, Filtration Media, and Associated Products • Catalysts and Systems for Process Chemical Abatement • Biological Sensors

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.

Making previously impossible missions possible

Aegis Power Systems is a technology focused small business providing design and manufacture of AC-DC, DC-DC, DC-AC, and bidirectional power converters and power supplies. Our team supports efficiency gains, modern performance improvements, and rugged features to meet customer's demanding requirements.

SynMax is an innovative data analytics company dedicated to providing actionable intelligence to its customers and bringing transparency to traditionally opaque industries. Achieved by combining the objective proof afforded by satellite imagery with the scalability of machine learning and artificial intelligence, Synmax is set apart from its competitors by providing the ground truth behind the data. Why guess when you can...