- 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)

Ursa Major vs Castelion — 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

Ursa Major vs Castelion

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

Defense

Ursa Major

Ursa Major designs and manufactures rocket engines and hypersonic propulsion systems for defense, commercial space, and missile applications.

Defense

Castelion

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

For subscribers

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

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