Japan

A

ArkEdge Space PRIVATE

operating

Designs, manufactures, and operates micro-satellite constellations for maritime communications, earth observation, positioning, and deep space exploration

A

Astroscale PUBLIC

operating

Designs and operates spacecraft for on-orbit servicing, including debris removal, satellite life extension, and refueling across LEO and GEO

A

Axelspace PUBLIC

operating

Designs, manufactures, and operates microsatellite constellations for Earth observation and provides one-stop satellite mission services

B

BULL Co., Ltd. PRIVATE

operating

Develops post-mission disposal devices using drag sail technology to prevent spacecraft and launch vehicle stages from becoming space debris

E

ElevationSpace PRIVATE

operating

Develops small recoverable spacecraft for microgravity research and manufacturing, with high-frequency cargo return services from low Earth orbit

I

Infostellar PRIVATE

operating

Aggregates global ground station infrastructure into a cloud-native platform, enabling satellite operators to schedule communications across shared antenna networks via a single API

I

Interstellar Technologies PRIVATE

operating

Japanese rocket and satellite company developing small launch vehicles and constellation satellites

J

JAXA GOV

operating

Japan's national space agency conducting launch operations, satellite development, Earth observation, asteroid exploration, and human spaceflight research

M

Mitsubishi Electric PUBLIC

operating

Japanese electronics conglomerate that manufactures satellites, satellite components, and ground systems alongside

M

Mitsubishi Heavy Industries PUBLIC

operating

Japanese industrial conglomerate spanning energy, aerospace, defense, logistics, and space systems

N

NEC Space Technologies PRIVATE

operating

Japanese manufacturer of satellite and rocket subsystems and components, founded in 2001

O

Okazaki Manufacturing Company PRIVATE

operating

Japanese manufacturer of temperature sensors, industrial heaters, and MI cables for aerospace and industrial use

P

PD AeroSpace PRIVATE

operating

Japanese company developing a suborbital spaceplane for space tourism using pulse detonation propulsion

P

Pale Blue PRIVATE

operating

Water-based propulsion systems for small satellites, developed and manufactured by a University of Tokyo spin-out

S

Space One PRIVATE

operating

Develops and launches the solid-fuel KAIROS small satellite launch vehicle from its private Spaceport Kii facility in southern Japan

S

Synspective PUBLIC

operating

Develops and operates small SAR satellites and provides Earth observation data and analytics for disaster response, national security, and environmental monitoring

W

Warpspace PRIVATE

operating

Develops an optical inter-satellite data relay network for near real-time, high-speed communication between LEO satellites and ground stations

I

iQPS PUBLIC

operating

Develops and operates a constellation of small SAR satellites providing high-resolution radar imagery for near-real-time Earth observation

I

ispace PUBLIC

operating

Designs and operates lunar landers and rovers, providing payload delivery, surface exploration, and data services to build cislunar infrastructure