| 1907-02 |
Founded Yokogawa Minosuke at 86 Sakaigawa, Nishi-ku, Osaka City |
| 1963-04 |
Establishment of Yokogawa Construction Co., Ltd. |
| 1984-07 |
Establishment of Yokogawa Technical Information Co., Ltd. |
| 1991-06 |
Establishment of Yokogawa New Life Co., Ltd. |
| 1991-10 |
Name change from Yokogawa Bridge Manufacturing Co., Ltd. to Yokogawa Bridge Co., Ltd. |
| 2000-01 |
Establishment of Y.C.E. Co., Ltd. |
| 2001-08 |
Establishment of Yokogawa System Construction Co., Ltd. |
| 2003-11 |
Acquired shares of Narasaki Manufacturing Co., Ltd. and made it a group company |
| 2007-08 |
Established Yokogawa Bridge Holdings Co., Ltd. and transitioned to a holding company structure |
| 2009-10 |
Acquired shares of Yokogawa Sumikin Bridge Co., Ltd. and made it a group company |
| 2015-10 |
Merged Yokogawa Bridge Co., Ltd. and Yokogawa Construction Co., Ltd. (surviving company is Yokogawa Bridge Co., Ltd.) |
| 2019-04 |
Yokogawa Sumikin Bridge Co., Ltd. changed its name to Yokogawa NS Engineering Co., Ltd. |
| 2024-04 |
Yokogawa Bridge Holdings Co., Ltd. absorbed Yokogawa New Life Co., Ltd. |
| 2025 |
Currently, our group is implementing the 7th Medium-term Management Plan (2025-2027), with the first year being 2025. |
| 2026-01 |
Yokogawa System Construction Co., Ltd. changed its name to Yokogawa Bridge System Construction Co., Ltd. Yokogawa Technical Information Co., Ltd. changed its name to Yokogawa Bridge Technical Information Co., Ltd. Yokogawa Techno Philippines, Inc. changed its name to Yokogawa Bridge Techno Philippines, Inc. |
| 2026-01 |
Yokogawa System Construction Co., Ltd. has changed its company name to Yokogawa Bridge System Construction Co., Ltd. |
| 2026-01 |
Yokogawa Technical Information Co., Ltd. has changed its company name to Yokogawa Bridge Technical Information Co., Ltd. |
| 2026-01 |
Yokogawa Techno Philippines, Inc. has changed its company name to Yokogawa Bridge Techno Philippines, Inc. |
