Mitsui & Co. is a global trading and investment company with a diversified portfolio, including a growing presence in the space industry. They act as an investor and facilitator, supporting space-related ventures through strategic investments like Spaceflight Inc. (rideshare launch services) and ATLAS Space Operations (ground station services). Furthermore, Mitsui has established Japan LEO Shachu, Inc., a subsidiary focused on developing the "Japan Module" for commercial space stations, partnering with JAXA and other companies. Keywords associated with Mitsui's space activities include space investment, satellite services, launch services, space infrastructure, and commercial space development.
All verified mentions of this organization in source documents.
Mitsui participated in Vast’s $500 million funding round.
Mitsui Fudosan is leading the growth of Nihonbashi as a prime location for space companies.
Sumitomo Mitsui Trust Bank joined Starlab’s cap table in December 2025.
The financing round was led by Balerion Space Ventures with participation from In-Q-Tel, Qatar Investment Authority, Mitsui & Co., Ltd, MUFG, Nikon Corporation, Stellar Ventures, Space Capital, and Earthrise Ventures.
The Qatar Investment Authority, IQT, Mitsui & Co., MUFG, and Nikon Corporation participated in Vast Space’s financing round.
Vast’s Series A financing round was led by Balerion Space Ventures and included IQT, the Qatar Investment Authority, Mitsui, MUFG, Nikon, Stellar Ventures, Space Capital, Earthrise Ventures, and company founder Jed McCaleb.
Investors in Vast’s Series A round include In-Q-Tel, Qatar Investment Authority, Mitsui & Co. Ltd., MUFG, Nikon Corporation, Stellar Ventures, Space Capital, Earthrise Ventures, and Jed McCaleb.
Tri-Sat Constellation Co., Ltd. is a special purpose company established by Mitsubishi Electric Corporation, SKY Perfect JSAT Corporation, and Mitsui & Co., Ltd.
The Ministry of Defense’s satellite constellation project was awarded to a consortium comprising Mitsubishi Electric Corporation, SKY Perfect JSAT Corporation, Mitsui & Co., Ltd., Synspective Inc., Institute for Q-shu Pioneers of Space, Inc., Mitsui Bussan Aerospace Co., Ltd., and Axelspace Corporation.
The constellation project was awarded to a consortium that includes Mitsubishi Electric Corporation, SKY Perfect JSAT Corporation, Mitsui & Co., Ltd., Synspective, the Institute for Q-shu Pioneers of Space, Mitsui Bussan Aerospace, and Axelspace.
Tri-Sat Constellation Co., Ltd. is a special purpose company established by Mitsubishi Electric Corporation, SKY Perfect JSAT Corporation, and Mitsui & Co., Ltd.
Tri-Sat Constellation is a special purpose company established by SKY Perfect JSAT, Mitsubishi Electric, and Mitsui to build Japan’s satellite constellation.
The Japan Ministry of Defense announced Axelspace, Synspective, SKY Perfect JSAT, Mitsui, and Mitsubishi Electric, along with Mitsui Bussan Aerospace and iQPS, last December as contract awardees to build Japan’s satellite constellation.
Axelspace and Synspective finalized agreements with SKY Perfect JSAT, Mitsui, and Mitsubishi Electric to provide optical and synthetic aperture radar imagery respectively to the Japan Ministry of Defense’s planned satellite constellation.
Nippon Low Earth Orbit Co., Ltd. was established in 2024 as a 100% subsidiary of Mitsui & Co., Ltd.
日本低軌道社中 is a subsidiary established by Mitsui & Co and is located in Chuo-ku, Tokyo.
Mitsui & Co was selected by the Japan Aerospace Exploration Agency (JAXA) in 2023 to conduct a concept study for a U.S. commercial space station–connected successor to the Japanese Experiment Module.
The participating financial institutions in the loan include Aozora Bank, Shoko Chukin Bank, Sumitomo Mitsui Trust Bank, Fukuoka Bank, JA Mitsui Lease, Saga Bank, Iyo Bank, Nishinippon City Bank, Higo Bank, Toyo Bank, and Chikugo Bank.
Japan LEO Shachu, a Mitsui subsidiary, was founded in 2024 to develop a commercial module for a future US commercial space station.
Mitsui Fudosan Realty utilizes satellite data for parking lot site exploration.