| 2004 |
Established US subsidiary, established joint venture company in Vietnam. |
| 2003 |
Established Vietnam branch. |
| 2002 |
P.S. Corporation merged with Mitsubishi Construction Corporation. P.S. Mitsubishi Construction Co., Ltd. Established.
Established R&D institute in Odawara City. |
| 1996 |
Listed on the First Section of the Tokyo Stock Exchange. |
| 1995 |
Received the first Contribution to Development Award from the Indonesian government as part of the 50th anniversary celebrations of Indonesian independence. |
| 1991 |
Changed company name to P.S. Corporation. |
| 1989 |
Established the first overseas joint venture company in Indonesia. |
| 1988 |
Established Omiya R&D institute. |
| 1985 |
Branched into nuclear power related business. |
| 1975 |
Started full-scale overseas operations. |
| 1969 |
Changed name to Mitsubishi Construction. Ltd |
| 1962 |
Listed on the First Section of the Tokyo Stock Exchange. |
| 1960 |
The Shinryo Construction Corporation established with Mitsubishi Mining Corporation amongst ten other promoters. |
| 1952 |
Nanao factory opened (Japan's first PC factory.)
P.S. Concrete Co., Ltd. established in order to commercialize prestressed concrete (PC) for the first time in our country.
|
| Light blue is old P.S.Corporation,. The orange is old Mitsubishi Construction. Ltd. |
