Castelion Corporation
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Castelion Corporation - overview
Established
2022
Location
El Segundo, CA, US
Primary Industry
Aerospace
About
Based in California, US, and founded in 2022 by CEO Bryon Hargis, Sean Pitt, and Andrew Kreitz, Castelion Corporation operates as a designer, developer, and tester of next-generation long-range strike weapons systems. In August 2025, Castelion Corporation raised USD 360 million in series B funding co-led by new investor Altimeter Capital and returning investor Lightspeed Venture Partners, with participation from other new investors Thrive Capital, Battery Ventures, Pritzker Group Venture Capital, General Catalyst Partners, Space. VC, Avenir Growth Capital. Returning investors Lavrock Ventures, Andreessen Horowitz, First In Capital, Cantos Ventures, BlueYard Capital, Champion Hill Ventures, and INTERLAGOS CAPITAL.
The company provides military hypersonic, vehicle, and strike systems that apply modern hardware development and manufacturing processes to national security challenges. Castelion is also engaged in hypersonic testing for materials and electronic systems, strike systems, ultra-high-performance thermal protection systems, and avionics for compatibility with existing platforms. The company will use the August 2025 funding to accelerate its production of hypersonic missile systems for national defense.
Current Investors
Andreessen Horowitz, Lavrock Ventures, BlueYard Capital
Primary Industry
Aerospace
Sub Industries
Aerospace, Defence
Website
www.castelion.com
Verticals
Manufacturing
Company Stage
Series B
Total Amount Raised
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