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Castelion

Defense Technology El Segundo, California ~120 employees
Founded
--
Employees (Est.)
~120
8 leaders known
Total Funding
$450.0M
Funding Rounds
2
Last Funding
2025-12-05

About Castelion

Castelion designs, tests, and manufactures next-generation military systems at a massive scale with the mission to deter future wars and preserve peace through credible, non-nuclear deterrence. The company focuses on protecting democracy by restoring America's ability to out-innovate and out-produce its rivals, ensuring the security of the free world.

Products & Services

Hypersonic Missile Systems:Affordable hypersonic weapons designed for rapid development and high-volume production, optimized for cost, manufacturability, and speed of deployment.

Specialties

Hypersonic Missile Systems Rapid Testing and Iteration Scaled Manufacturing Cost-Effective Weapon Development

Funding History

Debug: View Raw Funding Data
# Type Amount Fields Date Fields Investors
1 RT: Series B
T: -
FT: Series B
A: 350000000
MR: -
FA: 350 million
FAN: 350000000
D: 2025-12-05
FD: 2025-12-05
12 investors
2 RT: Series A
T: -
FT: Series A
A: 100000000
MR: -
FA: $100M
FAN: 100000000
D: 2025-01-29
FD: 2025-01-29
8 investors
Series B Latest
2025-12-05
$350.0M
12 investors (Pro only)
Series A 2025-01-29
$100.0M

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Growth Metrics

+45%
Employee Growth
YoY
3.2x
Funding Growth
Last Round
12
Markets
Operating
10K+
Customers
Active

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Team & Leadership

B

Bryon Hargis

Co-Founder & CEO

S

Sean Pitt

Co-Founder & COO

A

Andrew Kreitz

Co-Founder & CFO

J

Jacob Sweers

Vehicle Engineering

P

Paul Perry

Mechanical Engineering

D

David Ferguson

Avionics

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Recent News

Castelion Announces New Product Launch

2 days ago

Company unveils innovative solution to transform the industry, expanding market reach and capabilities...

Read more →

Leadership Team Expands with Industry Veteran

1 week ago

New executive brings 20+ years of experience to accelerate growth and strategic initiatives...

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Company Recognized as Industry Leader

2 weeks ago

Receives prestigious award for innovation and customer satisfaction in competitive market...

Read more →

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Key Competitors

C1

Competitor Alpha

Series B · $50M raised

C2

Competitor Beta

Series C · $120M raised

C3

Competitor Gamma

Series A · $25M raised

C4

Competitor Delta

Seed · $10M raised

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Company Details

Industries
Defense Technology
Company Size
~120 employees (est.)
Locations
El Segundo, California

Technology Stack

Discover the backend, frontend, and infrastructure technologies powering this company's products.

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