Castelion is a venture-backed defense tech company applying modern hardware development and manufacturing processes to critical national security challenges, specifically to solve affordability, scale, and supply chain robustness.

Accounting & Finance

Software Engineering

Other Engineering

Design

Sales & Business Development

Operations

El Segundo, CA, USA

Washington, DC, USA

Castelion

BlueYard invests in founders with transforming ideas that decentralize markets, empower users and liberate data

BY Capital Management GmbH

BlueYard Capital

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