Joint venture (Mitsubishi Electric 45%, SKY Perfect JSAT 45%, Mitsui & Co. 10%)Founded 2026 · Tokyo, JapanUpdated Aug 31, 2026

Tri-Sat Constellation Co., Ltd.

Prime contractor and operator coordinating satellite constellation development, operations, and ground facilities for defense imagery services

Special-purpose joint-venture company established to coordinate development and operation of a small-satellite constellation and dedicated ground facilities for high-frequency imagery acquisition under contract to the Japan Ministry of Defense (Feb 2026–Mar 2031). Prime contractor coordinating seven partner companies including Mitsubishi Electric, SKY Perfect JSAT, Mitsui Bussan Aerospace, Synspective, iQPS, and Axelspace.

Principal supply-chain role03 · Networks & Operations

Communications networks, ground systems, mission operations, tracking, and space-domain awareness.

Principal supply-chain role03 · Networks & Operations

Suppliers, customers & partners

Suppliers & service providers to Tri-Sat Constellation Co., Ltd.

Axelspace Corporation— supplierTell me more

Axelspace has a contract with Tri-Sat Constellation Co., Ltd. (and Mitsui Bussan Aerospace) to provide optical satellite imagery acquisition services for the Ministry of Defense satellite constellation project; Axelspace is named as the optical imagery provider among Tri-Sat partners.

Relationship research record

Tri-Sat Constellation Co., Ltd. customers & supported companies

None currently known.

Tri-Sat Constellation Co., Ltd. program partners

Mitsui & Co.— program partner2 connectionsTell me more

Mitsui & Co., Ltd. (via Mitsui Bussan Aerospace Co., Ltd. and the Tri-Sat JV with Mitsubishi Electric and SKY Perfect JSAT) coordinates development and operation of a satellite constellation for high-frequency imagery, awarded December 2025 for the Japan Ministry of Defense project running to 2031; also partners with Synspective Inc., Institute for Q-shu Pioneers of Space Inc., and Axelspace Corporation on the same program.

Relationship research record

Mitsui & Co., through Mitsui Bussan Aerospace Co., Ltd., is a founding partner in Tri-Sat Constellation Co., Ltd., participating in the Satellite Constellation Project and contributing to program management and contracted work shares.

Relationship research record

Mitsubishi Electric Corporation— program partnerTell me more

Mitsubishi Electric is a founding member of Tri-Sat Constellation Co., Ltd. and a prime program partner responsible for coordinating development and operation of the satellite constellation and dedicated ground facilities for the Japan Ministry of Defense project (Tri-Sat SPC formation and prime-contractor role).

Relationship research record

SKY Perfect JSAT Corporation— program partnerTell me more

SKY Perfect JSAT is one of the founding companies in the Tri-Sat Constellation special-purpose company and a named partner contributing to operations and the execution of the Satellite Constellation Project under the Tri-Sat SPC.

Relationship research record

Synspective Inc.— program partnerTell me more

Synspective is listed as one of the seven partner companies participating in the Tri-Sat Constellation special-purpose company to develop and operate the satellite constellation and ground facilities for the MOD project.

Relationship research record

Explore Tri-Sat Constellation Co., Ltd. in context

← Suppliers to Tri-Sat Constellation Co., Ltd.5 companies · Browse profiles

Axelspace Corporation Mitsubishi Electric Corporation Mitsui & Co.SKY Perfect JSAT Corporation Synspective Inc.

Companies supplied by Tri-Sat Constellation Co., Ltd. →0 companies · Browse profiles

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