Funded Tech Companies
Castelion
Castelion, based in Washington, received equity investments from Altimeter Capital, Lightspeed Venture Partners and Avenir Growth Capital.
Company Overview
Company Name
Castelion
Company Status
Private & Independent
Industry
Defense
Funding Rounds
Total Funding
Contact Information
Mailing Address
Undisclosed
Washington, DC Undisclosed
USA
Washington, DC Undisclosed
USA
Phone
Undisclosed
Website
Email Address
Company Background Information
Overview
Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. We're designing, building, and testing next generation long range strike weapons systems to give America and its Allies a definitive edge and deter future conflicts.
Profile
Social Media
Company News
Facebook
YouTube
Last Transaction
12/5/2025
Financing History
Date
Type
Amount
Management Team
Title
Name
Email & Social
Chief Executive Officer
Bryon Hargis
Chief Operating Officer
Sean Pitt
Co-Founder
Andrew Kreitz
Company Investors
- Altimeter Capital (Erik Kriessmann)
- Lightspeed Venture Partners (Connor Love)
- Avenir Growth Capital
- First In Ventures
- Interlagos Capital
- General Catalyst (Paul Kwan)
- Cantos Ventures
- Lavrock Ventures (Alex Poulin)
- Champion Hill
- Space VC
- Andreessen Horowitz (Katherine Boyle)
- BlueYard Capital
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