Japan Manned Space Systems Corporation

Japan Manned Space Systems Corporation (JAMSS) is a private company that provides training to astronauts and coordinates space experiments conducted at the International Space Station (ISS). The company assists the Japan Aerospace Exploration Agency (JAXA) in the operation of Japan's ISS Kibō module and the H-II Transfer Vehicle, and provides quality assurance for items heading to space through analysis of materials, parts, and software.

Source: Wikipedia — Japan Manned Space Systems Corporation (CC BY-SA 4.0)