Developing the Starlab station in a joint venture with Airbus; went public in 2025 (NYSE: VOYG).
Most station contenders are private — Vast is self-funded, Axiom and Blue Origin unlisted — leaving Voyager Technologies (NYSE: VOYG) as the main public play. Our read on a capital-hungry race with one listed runner. (Our opinion, not investment advice.)
Station spec sheets range from Vast's 45 m³ Haven-1 to Blue Origin's 830 m³ Orbital Reef. Almost all of these are design figures, not flown hardware — here is how to read them against the ISS's ~916 m³.
NASA plans to deorbit the ISS around 2030, and a field of private stations is racing to be ready before the lights go out in low Earth orbit. We track each contender's development stage — not their press releases.
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Vast 
Axiom Space 
Blue Origin