Epsilon3 is an AI-powered procedure execution platform that runs the build, test, operations, and sustainment lifecycle for complex hardware in a single connected record. It combines digital work instructions, requirements and test traceability, parts and inventory management, scheduling, issue tracking, and analytics with AI-assisted authoring and recall.

Purpose-built for aerospace, defense, energy, and advanced manufacturing, Epsilon3 replaces scattered spreadsheets and legacy tools with real-time collaboration, revision control, and integrations through a flexible REST API. Customers include Blue Origin, Sierra Space, Firefly Aerospace, Virgin Galactic, and Redwire Space, with cloud, on-premise, and air-gapped deployment options.