Verified Nov 2026
Electronics & Software
·
El Segundo, California
·
Since 2022
Castelion is a privately held defense technology and aerospace manufacturer headquartered in El Segundo, California, founded in 2022. It has an estimated 200-500 employees and an estimated revenue band of $50-100M. The company develops hypersonic systems, solid rocket motors, and missile avionics, serving the U.S. Department of Defense and allied customers. In September 2026, it moved its Blackbeard hypersonic system into production under a U.S. Navy order valued at up to $200 million.
Castelion at a glance
Revenue
$50-100M
Est. band
Employees
200-500
Founded
2022
Headquarters
El Segundo, California
Certifications
AS9100 · Nadcap
Import activity
3
Industries
Automotive
Electric Vehicles
Construction
Military & Defense
Plumbing & Hardware
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
3
Named foreign suppliers
2
Top origins
Netherlands · China
Shared foreign counterparties do not establish that these companies buy from Castelion.
What this tells a buyer
Castelion announced a U.S. Navy production order for its Blackbeard hypersonic system valued at up to $200 million on September 14, 2026, following a $90 million Navy award on August 25, 2026.
The company holds AS9100 and Nadcap certifications and produces hypersonic systems, solid rocket motors, and missile avionics at facilities in Torrance, California, and Midland, Texas.
Castelion is privately held and reported a $1 billion Series C raise in August 2026 to scale production of low-cost hypersonic weapons.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
4 years in operation (founded 2022).
Holds AS9100, Nadcap certification(s) per public sources.
Overview
Castelion is a privately held defense technology and aerospace manufacturer headquartered in El Segundo, California, founded in 2022. It has an estimated 200-500 employees and an estimated revenue band of $50-100M. The company develops hypersonic systems, solid rocket motors, and missile avionics, serving the U.S. Department of Defense and allied customers. In September 2026, it moved its Blackbeard hypersonic system into production under a U.S. Navy order valued at up to $200 million.
At a glance
Attribute | Detail |
|---|---|
Founded | 2022 |
Headquarters | El Segundo, California |
Employees | 200-500 |
Revenue | $50-100M (estimated) |
Primary capability | Electronics & Software |
Certifications | AS9100 · Nadcap |
What Castelion makes
The company holds AS9100 and Nadcap certifications and produces hypersonic systems, solid rocket motors, and missile avionics at facilities in Torrance, California, and Midland, Texas.
Products and capabilities described on the company's own site include LED, Casting (source: castelion.com).
Certifications
Castelion is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
AS9100 — greenhouse.io
Nadcap — greenhouse.io
Trade and customs footprint
Castelion announced a U.S. Navy production order for its Blackbeard hypersonic system valued at up to $200 million on September 14, 2026, following a $90 million Navy award on August 25, 2026. US customs bill-of-lading records list 3 inbound shipments across 2 foreign suppliers, with top origins including Netherlands · China.
Latest developments
2026-11-03 — F-16s could soon be armed with Castelion's hypersonic missile (axios.com)
2026-09-14 — Castelion Moves Blackbeard into Production with U.S. Navy Order Valued Up to $200 Million - Castelion (castelion.com)
2026-08-25 — U.S. Navy Awards Castelion $90M to Advance Blackbeard to Early Operational Capability - Castelion (castelion.com)
2026-08-19 — Castelion Raises $1B Series C to Scale Production of Low-Cost Hypersonic Weapons - Castelion (castelion.com)
2026-04-24 — Castelion Awarded $105M U.S. Navy Contract to Field Blackbeard on the F/A-18 Super Hornet in 2027 - Castelion (castelion.com)
2026-01-21 — Castelion Breaks Ground on Project Ranger, Advancing Scaled Hypersonic Manufacturing in New Mexico - Castelion (castelion.com)
Facilities
Castelion is headquartered in El Segundo, California. Public sources also reference these locations:
Midland, Texas — castelion.com
Torrance, California — castelion.com
Company details
Castelion is privately held and reported a $1 billion Series C raise in August 2026 to scale production of low-cost hypersonic weapons. Castelion was founded in 2022, has an estimated 200-500 employees, and is headquartered in El Segundo, California. On the LightSource stability read it is rated "Established & active": 4 years in operation (founded 2022). Holds AS9100, Nadcap certification(s) per public sources.
Frequently asked questions
What does Castelion make?
Castelion is a privately held defense technology and aerospace manufacturer headquartered in El Segundo, California, founded in 2022. It has an estimated 200-500 employees and an estimated revenue band of $50-100M. The company develops hypersonic systems, solid rocket motors, and missile avionics, serving the U.S. Department of Defense and allied customers. In September 2026, it moved its Blackbeard hypersonic system into production under a U.S. Navy order valued at up to $200 million.
Where is Castelion headquartered?
Castelion is headquartered in El Segundo, California (737 Carl Jacobson Dr, El Segundo, California, 90245-5007).
When was Castelion founded?
Castelion was founded in 2022.
How big is Castelion?
Castelion has an estimated 200-500 employees, with revenue in the $50-100M range (estimated).
What certifications does Castelion hold?
Castelion lists AS9100 · Nadcap on its website. Confirm the certified scope for the specific plant producing your part.
Does Castelion import from overseas suppliers?
US customs bill-of-lading records show 3 inbound shipments for Castelion, with top origins including Netherlands · China.
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Last verified Nov 2026. Is this your company? Request a correction.
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