Identity graph
Castelion headquarters, locations and relationships
- Legal name
- Castelion Corporation
- Industry
- Aerospace and Defense
- Founded
- 2022
- Phone
- +1 204 841 4390
- Website
- castelion.com
- LinkedIn profile for Castelion
Castelion office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Torrance | California | United States | Headquarters |
| Arlington | Virginia | United States | Office |
| El Segundo | California | United States | Office |
- Parent company
- No parent company recorded in GraphIQ.ai.
- Competitors
- Castelion competes with 4 organizations in the GraphIQ.ai identity graph.
Verified from public filings, company websites and news · Methodology
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Subsidiaries, people and lookalike companies.
Who uses the Castelion entity
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Industry and supply chain
Suppliers, sites and partners mapped to the right legal entity.
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Territories, enrichment and account expansion on one resolved account.
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Government and public sector
Supplier vetting, ownership and jurisdiction checks against one verified entity.
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Private equity and investors
Corporate family, comparable companies and deal sourcing.
Private equity -
Developers and AI agents
The entity and its relationships through the REST API and MCP server.
Developers
About Castelion
Castelion is headquartered in Torrance, California, United States. Founded in 2022, the company has 3 recorded locations and employs approximately 92 people worldwide.
Where is Castelion's main office?
Castelion's main headquarters office is located at Torrance, California 90503, United States. This is the company's primary corporate address.
Castelion regional offices
Beyond its headquarters in Torrance, Castelion has recorded locations in United States.
Castelion contact information
The main switchboard for Castelion headquarters can be reached at +1 204 841 4390. Official website: castelion.com.
What does Castelion do?
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.
One entity, every stage
Put Castelion to work across your revenue bowtie
- Target Define the market Build the account list from companies shaped like your best customers, Castelion included. Fingerprint search
- Cover Plan territories Castelion's 3 locations roll up to one account, so it lands in one territory, once. Territory planning
- Engage Act on timing Leadership changes, funding and M&A arrive linked to the account, not a loose headline. Signal monitoring
- Convert Close on a resolved record Inbound and closed-won attach to one CRM record, with no duplicates to merge. CRM enrichment
- Retain Ground every answer Customer teams and AI agents answer from the same entity, with a source and a date. AI agent data layer
- Expand Find the next buyer inside Follow subsidiaries and divisions to the next team that can buy. Account expansion
About the source
What is GraphIQ.ai?
A B2B identity graph. It resolves each organization into one verified entity and maps its parent and subsidiaries, employees, competitors and news signals. Revenue teams use it in the product; AI agents query it through the REST API and MCP server.
POST/api/v2/organizations/search
Castelion: frequently asked questions
Where is Castelion headquarters?
Torrance, California 90503, United States.
What is Castelion's phone number?
+1 204 841 4390 (headquarters).
When was Castelion founded?
2022.
How many employees does Castelion have?
About 92, as of October 2026 (GraphIQ.ai estimate).
How many offices does Castelion have?
3 locations, including Arlington, El Segundo.
Questions about GraphIQ.ai
Is GraphIQ.ai a list of companies like a spreadsheet?
No. Each organization resolves to one verified entity linked to its parent, subsidiaries, people and signals, so Castelion here is the same Castelion in your CRM, territory plan and agent answers.
Where does this Castelion data come from?
Public filings, company websites and news, resolved to one entity and continuously updated.