| 1925 Apr. |
Founding |
| 1952 Apr. |
Ishibashi Industrial Co., Ltd. was established, and it sold stones and oil products |
| 1954 Jan. |
Ashikaga sales office opened |
| 1959 Sep. |
General construction service started |
| 1963 Sep. |
Company name changed to Ishibashi Construction Co., Ltd. |
| 1964 Oct. |
the President Kansuke Ishibashi resigned |
| 1965 Jun. |
Oizumi branch office opened |
| 1969 Jan. |
Consolidating Mizutani Construction
Strengthened construction sector
Tokyo sales office opened
|
| 1992 June. |
Saitama branch office opened |
| 1996 Mar. |
The last president but one past away
Former president Takaya Ishibashi inducted |
| 2000 Dec. |
Obtained ISO9001 |
| 2001 Apr. |
50th Anniversary |
| 2003 Aug. |
Obtained ISO14001 |
| 2004 Nov. |
Kazuyoshi Maruyama has inducted as the president |
| 2010 Oct. |
Yasushi Nakajima has inducted as the president |
