- Defense
- Robotics
- Autonomy(coming soon)
- Mobility(coming soon)
- Space Tech(coming soon)
- Brain-Computer Interfaces
- Spatial Computing
- Voice & Conversational Interfaces
- Avatars & Digital Humans(coming soon)
- Smart Homes(coming soon)
- Wearables(coming soon)
- Health Tech
- Biotech / Synthetic Biology(coming soon)
- Healthcare Systems(coming soon)
- Longevity & Human Enhancement(coming soon)
- Data Infrastructure
- Payments & Financial Infrastructure
- Blockchain / Crypto(coming soon)
- Cloud & Edge Computing(coming soon)
- Cybersecurity(coming soon)
- Digital Identity(coming soon)
- Creative AI & Media
- Energy
- Manufacturing
- Agriculture Tech(coming soon)
- Climate Tech(coming soon)
- Commerce(coming soon)
- Education Tech(coming soon)
- Fashion & Textiles(coming soon)
- Food Tech(coming soon)
- Materials Science(coming soon)

- Defense
- Robotics
- Autonomy(coming soon)
- Mobility(coming soon)
- Space Tech(coming soon)
- Brain-Computer Interfaces
- Spatial Computing
- Voice & Conversational Interfaces
- Avatars & Digital Humans(coming soon)
- Smart Homes(coming soon)
- Wearables(coming soon)
- Health Tech
- Biotech / Synthetic Biology(coming soon)
- Healthcare Systems(coming soon)
- Longevity & Human Enhancement(coming soon)
- Data Infrastructure
- Payments & Financial Infrastructure
- Blockchain / Crypto(coming soon)
- Cloud & Edge Computing(coming soon)
- Cybersecurity(coming soon)
- Digital Identity(coming soon)
- Creative AI & Media
- Energy
- Manufacturing
- Agriculture Tech(coming soon)
- Climate Tech(coming soon)
- Commerce(coming soon)
- Education Tech(coming soon)
- Fashion & Textiles(coming soon)
- Food Tech(coming soon)
- Materials Science(coming soon)

Castelion vs Hadrian — side-by-side comparison · fobi

- Defense
- Robotics
- Autonomy(coming soon)
- Mobility(coming soon)
- Space Tech(coming soon)
- Brain-Computer Interfaces
- Spatial Computing
- Voice & Conversational Interfaces
- Avatars & Digital Humans(coming soon)
- Smart Homes(coming soon)
- Wearables(coming soon)
- Health Tech
- Biotech / Synthetic Biology(coming soon)
- Healthcare Systems(coming soon)
- Longevity & Human Enhancement(coming soon)
- Data Infrastructure
- Payments & Financial Infrastructure
- Blockchain / Crypto(coming soon)
- Cloud & Edge Computing(coming soon)
- Cybersecurity(coming soon)
- Digital Identity(coming soon)
- Creative AI & Media
- Energy
- Manufacturing
- Agriculture Tech(coming soon)
- Climate Tech(coming soon)
- Commerce(coming soon)
- Education Tech(coming soon)
- Fashion & Textiles(coming soon)
- Food Tech(coming soon)
- Materials Science(coming soon)

Compare

Castelion vs Hadrian

Side-by-side on funding, valuation, status, and the rest of the FOBI roster.

Defense

Castelion

Castelion manufactures defense products at scale using advanced manufacturing, focusing on munitions, propulsion, and attritable systems.

Manufacturing

Hadrian

Hadrian builds highly automated, software-driven factories for precision aerospace components, targeting defense and space supply chains.

For subscribers

Including Funding rounds + valuations, Founders + executives, Products + tech stack, Headcount + HQ, Status timeline, and Roster connections.

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Field	Castelion	Hadrian
Status	Private	Private
Sector	Defense	Manufacturing
Subsector	Propulsion & Manufacturing	Vertically Integrated Manufacturing
Founded	2022	2020
HQ	El Segundo, United States	Los Angeles, USA
Headcount	51-200	201-500
Total raised	$434.2M	$476.5M