Virgin Galactic

Virgin Galactic is an aerospace company developing reusable suborbital spaceplanes for commercial human spaceflight, astronaut experiences, and microgravity research. Its air-launch system uses a carrier aircraft to transport a rocket-powered spaceship to altitude before releasing it for a suborbital flight. The company previously operated VSS Unity and is developing its next-generation Delta-class spacecraft, including Spaceship Apeiron, for higher-frequency operations. Its technology combines reusable spacecraft structures, rocket propulsion, flight control systems, and a feathering reentry mechanism to support passenger and research missions.
ArianeGroup

ArianeGroup is an aerospace company developing launch vehicles, rocket engines, and propulsion systems for commercial, institutional, and defense space missions. The company designs and manufactures the Ariane 6 launch vehicle, which transports satellites and scientific payloads into orbit. Its propulsion technology includes the Vulcain 2.1 main-stage engine, Vinci upper-stage engine, and solid rocket motor systems. ArianeGroup also develops technologies for military missile systems, spacecraft propulsion, and space surveillance. Its engineering and manufacturing operations support European satellite deployment, space transportation, and national security programs.
Blue Origin

Blue Origin is an aerospace company developing reusable rockets, rocket engines, and spacecraft for commercial space transportation, satellite launches, and lunar exploration. Its technology includes the New Shepard suborbital vehicle, New Glenn orbital launch system, and Blue Moon lunar lander. The company also manufactures liquid-fueled rocket engines, including the BE-4 and BE-7, supporting launch vehicles and lunar missions. Its reusable launch technology is designed to support repeated spaceflight operations and expand access to space for commercial, civil, and government customers.
Relativity Space

Relativity Space is an aerospace company developing reusable launch vehicles and rocket propulsion systems for commercial and government satellite missions. Its Terran R rocket is a two-stage launch vehicle designed to transport large satellite payloads into low Earth orbit and geosynchronous transfer orbit. The rocket uses liquid oxygen and methane-powered Aeon engines, with a reusable first stage intended to support repeated launches. The company combines aerospace manufacturing, rocket engine development, and launch vehicle engineering to support satellite constellations and space transportation missions.
Isar Aerospace

Isar Aerospace is a space technology company developing launch vehicles and satellite launch services for commercial and institutional space missions. Its Spectrum rocket is a two-stage launch vehicle designed to carry small and medium-sized satellites into low Earth orbit. The company develops rocket propulsion systems, launch vehicle technology, and supporting launch infrastructure to provide dedicated access to space for satellite operators, government organizations, and research institutions.
AVIO

Avio is an aerospace company specializing in space launch vehicles, rocket propulsion systems, and satellite launch technologies. The company develops and manufactures the Vega family of launch vehicles, including Vega C, designed to transport satellites and other payloads into Earth orbit. Avio also produces solid rocket motors, liquid propulsion components, and upper-stage systems used in European space programs. Its technologies support commercial satellite launches, institutional space missions, and the development of next-generation launch vehicles.
ABL Space Systems

ABL Space Systems is a space technology company that develops orbital launch vehicles, rocket engines, and transportable ground systems for satellite launches. Its RS1 rocket is designed to carry small satellites into low Earth orbit, while the GS0 ground system provides launch infrastructure that can be transported and deployed at different locations. The company also develops its own E2 rocket engines, combining propulsion engineering, manufacturing, and launch operations to support commercial and government space missions.