Home  >  Companies  >  Castelion Castelion Follow Builds low-cost, mass-producible hypersonic strike weapons and related subsystems for military customers #defense Funding $14.20M 2023 View PDF Embed PDF Details Headquarters El Segundo, United States CEO Bryon Hargis Website castelion.com Milestones FOUNDING YEAR 2022 Listed In #defense Castelion Overview News News The latest coverage and announcements from Castelion. Try again