Orbital Reef

www.blueorigin.com

A commercial space station project led by Blue Origin and Sierra Space, designed for research, industrial, and tourism activities in low Earth orbit.

Axiom Station

www.axiomspace.com

Axiom Space is developing the world's first commercial space station, initially as modules attached to the ISS, with plans for a free-flying station for research and commercial use.

Vast

www.vastspace.com

Vast is building next-generation space stations focused on long-term human habitation and thriving in space.

Northrop Grumman

www.northropgrumman.com

Northrop Grumman was developing a commercial space station concept and now supports Starlab, but previously had its own independent design for LEO research and commercial activity.

Sierra Space

www.sierraspace.com

Sierra Space is a key partner in Orbital Reef and is developing its own space station technologies for commercial destinations in low Earth orbit.

SpaceX

www.spacex.com

SpaceX is partnering with NASA to advance commercial space station capabilities, focusing on transportation and infrastructure for future LEO platforms.

Special Aerospace Services

specialaerospaceservices.com

Special Aerospace Services is collaborating with NASA to develop commercial space station technologies and services for LEO operations.

ThinkOrbital

thinkorbital.com

ThinkOrbital is developing modular orbital platforms for commercial and research activities in low Earth orbit.

Lunar Gateway

www.nasa.gov

Lunar Gateway is a NASA-led international project for a space station in lunar orbit, with some commercial partnerships, though its primary focus is beyond LEO.

ISS National Lab (CASIS)

www.issnationallab.org

The ISS National Lab, managed by CASIS, provides commercial research opportunities on the International Space Station, serving as a transitional platform until new stations are operational.