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defense startups, #directory

X-energy

X‑energy develops advanced high‑temperature gas‑cooled pebble‑bed reactors (Xe‑100) and TRISO fuel. Founded in 2009 by Kam Ghaffarian and led by CEO Clay Sell, the Rockville, MD company has secured DOE and DoD funding for its modular reactors.

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by Noah Smith
Updated

X‑energy develops advanced high‑temperature gas‑cooled pebble‑bed reactors (Xe‑100) and TRISO fuel. Founded in 2009 by aerospace entrepreneur Kam Ghaffarian, the Rockville, Maryland company is led by CEO Clay Sell and has secured DOE and DoD funding.

  • Founded: 2009 by aerospace entrepreneur Kam Ghaffarian; headquartered in Rockville, Maryland; CEO is former Deputy Secretary of Energy Clay Sell.
  • Technology: Develops Generation IV high‑temperature gas‑cooled pebble‑bed reactors (Xe‑100) and TRISO fuel.
  • Funding & programs: Received U.S. Department of Energy funding through the Advanced Reactor Concepts program (2016) and the Advanced Reactor Demonstration Program (2020), and secured Department of Defense funding in 2019 to explore small reactors for forward operating bases.
  • Mission: Aims to deploy safe, modular nuclear reactors for commercial and defense applications.
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by Noah Smith
Updated

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defense startups, #directory

Hidden Level

Hidden Level develops passive radar and RF sensing technology to monitor low and high-altitude airspace for drones, aircraft and other threats, helping protect critical infrastructure and national security. Founded in 2018 in Syracuse, New York.

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by Noah Smith
defense startups, #directory

Chaos Industries

Los Angeles-based CHAOS Industries develops advanced radar, communication and sensor technologies to counter modern airborne threats. Founded in 2022, its Coherent Distributed Networks enable agile sensing and detection, and the firm has raised over $200M in funding.

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by Noah Smith
defense startups, #directory

Armis

Armis develops agentless security platforms that enable enterprises to safely adopt IoT and unmanaged devices. Founded in 2015 by Yevgeny Dibrov and Nadir Izrael, the company is headquartered in Palo Alto, California.

by Noah Smith
defense startups, #directory

Groq

Groq builds application-specific AI accelerators called Language Processing Units to deliver fast inference. Founded in 2016 by former Google engineer Jonathan Ross, the Mountain View company became a unicorn after raising a $300M Series C.

by Noah Smith

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