Sumisho Machinery Export Service Company Ltd. was established in order to carry out the coordinating functions for machinery and instruments export. 90percents of the capita was owned by Sumitomo Corporation (Capital: 20 million yen).
March 26, 1970
Sumisho Machinery Trade Corporation was established to carry out coordinating functions for the export and import of electric wires, electrical, electronic and communication equipment and various types of plants. The capital was fully owned by Sumitomo Corporation(Capital:15 million yen).
May 31, 1971
Osaka Office of Sumisho Machinery Trade Corporation was established.
July 16, 1971
The company name of Sumisho Machinery Export Service Company Ltd. was changed to Sumisho Machinery Export Ltd.
August 31, 1971
Sumisho Machinery Export Ltd. and Sumisho Machinery Trade Corporation were merged on equal terms to mutually assist each other and to develop further as a directly affiliated concern of the machinery and electrical divisions of Sumitomo Corporation. The new company was named Sumisho Machinery Trade Corporation (Capital: 35 million yen).
April 1, 1974
Sumitomo Corporation acquired 100 percent of the capital of Sumisho Machinery Export Ltd.
September 2, 1975
The capital was increased to 48 million yen.
October 1, 1980
The capital was increased to 100 million yen.
February 23, 1981
The head office moved to Kinsan Building,18‐ 3,Kanda Nishiki-cho 3‐chome, Chiyoda‐ku, Tokyo.
October 1, 1981
The capital was increased to 300 million yen.
October 1, 1983
The capital、vas increased to 450 million yen.
The branch office was settled at 23‐ 1,Kanda Awaii‐ch0 2‐chome, Chiyoda‐ku, Tokyo
October 1, 1985
The Osaka Office was changed to the Osaka Branch.
April 21, 1986
The branch office was settled at 1‐6,Nishikanda 3‐chome, Chiyoda-ku, Tokyo.
November 1, 1987
Head office and the two branch offices in Tokyo all moved into the new building once located at 4‐3,Hitotsubashi 2‐chome, Chiyoda‐ku, Tokyo 101-8432,Japan.
April 1, 2000
The Electronics Division (including The Osaka hl was spun off as a new company.
April 23, 2001
The head office moved to 8‐12,Harumi 1-chome,Chuo‐ku, Tokyo.
April 1, 2018
October 22, 2018
The head office moved to 2-2, Hitotsubashi 1-chome, Chiyoda-ku,Tokyo .