Castelion

castelion.com

defense & space

castelion.com

El Segundo, California, United States

51-200 employees

27500000 revenue

LinkedIn Profile

About Castelion

national security, defense, military, manufacturing, government, aerospace, industrial automation, defense & space manufacturing, hardware-rich development, embedded systems, rapid test cycles, scalable manufacturing, hypersonic long-range strike, hypersonic weapons, flight software, cost-effective systems, mission-critical hardware, aerospace & defense, real-time telemetry, system integration

Castelion's Tech Stack

AI/ML

Decision Makers at Castelion

2 contacts

Satyam Satyarthi

VP of Engineering

s***@castelion.com Sign up to view

Tommaso Giovannini

Director, Materials Engineering

t***@castelion.com Sign up to view

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11 technologies detected · 2 decision makers · Emails available

Sales Outreach Angle

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Castelion's Position in the StackWho Database

• Castelion is 1 of 1,981 defense & space companies tracked in StackWho.
• 1,955 defense & space companies in our database have verified decision-maker emails (99% of the cohort).
• 53,147 companies in California are in the StackWho database.
• 381 defense & space companies are in the 51-200 employee range (same size as Castelion).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does Castelion use?

Castelion uses CloudFlare CDN, Amazon SES, Microsoft Office 365, CloudFlare Hosting, Webflow, Google Tag Manager, and 5 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Castelion?

StackWho has verified email addresses for 2 decision makers at Castelion. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Castelion directly for sales, recruiting, or partnerships.

What industry is Castelion in?

Castelion operates in the defense & space industry, headquartered in El Segundo, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Castelion's contact data?

Yes. StackWho Pro members can export decision maker contact data for Castelion and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.