Established as Toshin Warehouse Co., Ltd., with its head office in Tokyo and branches in Tokyo, Kobe, and Moji
Opened a Yokohama office, which became the Yokohama Branch in 1923
Acquired Osaka Warehouse Company and began operations as the Osaka Branch
Opened a Nagoya office, which became the Nagoya Branch in 1937
Changed the company name to Mitsui Warehouse Co., Ltd.
Began handling automobile transport services
Listed its shares on the Tokyo Stock Exchange
Began handling marine containers and operating container terminals in Japan
Obtained a motor carrier license and began transporting containers by truck
Established International and Plant divisions at the head office and fully expanded international transport operations
Obtained IATA air cargo agent accreditation and expanded air cargo handling operations
Moved the head office from Nihonbashi-Hakozakicho, Chuo-ku, Tokyo, to 1-chome Kayabacho, Nihonbashi, Chuo-ku, Tokyo
Started big-bag services, including self-storage and moving services for non-commercial goods
Established Mitsui Warehouse International in Singapore
Replaced the branch system with a headquarters and regional office system covering Kanto, Chubu, Kansai, and Kyushu
Spun off the Kyushu regional office as Mitsui Warehouse Kyushu Co., Ltd.
Moved the head office from 1-chome Kayabacho, Nihonbashi, Chuo-ku, Tokyo, to 3-chome Kaigan, Minato-ku, Tokyo
Obtained a Type II air freight forwarding license for consolidated air cargo shipments
Introduced an executive officer system
Established a BPO Business Promotion Department and launched full-scale BPO operations
Established a 3PL Business Promotion Department and launched full-scale 3PL operations
Celebrated the company's 100th anniversary
Moved the headquarters of the Kansai regional office to Osaka
Replaced the headquarters and regional office system with a divisional structure
Acquired JTB Air Cargo and renamed it Mitsui-Soko Air Cargo
Moved the head office from 3-chome Kaigan, Minato-ku, Tokyo, to 3-chome Nishi-Shimbashi, Minato-ku, Tokyo
Acquired Sanyo Electric Logistics, renamed it Mitsui-Soko Logistics, and strengthened the 3PL business
Acquired TAS Express and integrated it with Mitsui-Soko Air Cargo
Transitioned to a holding company structure with Mitsui-Soko Holdings (renamed from Mitsui Warehouse Co., Ltd.) as the holding company
Transferred Sony Supply Chain Solutions Inc.'s logistics business to a joint venture between Mitsui-Soko Holdings and Sony Corporation, renamed Mitsui-Soko Supply Chain Solutions Co., Ltd., and made three companies subsidiaries
Established Mitsui-Soko Transport
Mitsui-Soko Transport acquired all shares in Marukyo Unyu Co., Ltd. (headquartered in Osaka), Marukyo Unyu Co., Ltd. (headquartered in Ehime), and four other related companies, making them consolidated subsidiaries
Merged Mitsui-Soko Business Trust Co., Ltd. into Mitsui Warehouse Co., Ltd.
Director Nishimura Ken was featured in an interview article in 'JBpress Innovation Review' discussing the company's sustainability management. The article introduces the company's initiatives and how they are integrated into management strategies.