| 1965 |
石油・石油化学・化学プラントの配置配管設計を主として業務開始 |
| 1965 |
Shibata Kako Sekkei was established in 1965 as a plant design business. |
| 1965 |
Started operations with a focus on piping arrangement design for oil, petrochemical, and chemical plants |
| 1968 |
PWR型原子力発電プラント設計業務開始 |
| 1968 |
Started operations for PWR nuclear power plant design |
| 1974 |
東京出張所開設 |
| 1974 |
Established Tokyo Detached Office |
| 1979 |
東京出張所を東京支店に昇格 |
| 1979 |
神戸設計室開設 |
| 1979 |
高速増殖炉「もんじゅ」設計業務開始 |
| 1979 |
Promoted Tokyo Detached Office to Tokyo Branch Office |
| 1979 |
Established Kobe Design Office |
| 1979 |
Started operations for “Monju” fast-breeder reactor design |
| 1981 |
BWR型原子力発電プラント設計業務開始 |
| 1981 |
Started operations for BWR nuclear power plant design |
| 1982 |
東京支店を東京原子力設計センターに改名 |
| 1982 |
Changed name of Tokyo Branch Office to Tokyo Nuclear Energy Design Center |
| 1985 |
高速増殖炉「実証炉」基本設計業務開始 |
| 1985 |
Started operations for the basic design of a demonstration fast-breeder reactor |
| 1989 |
高温工学試験研究炉 (HTTR) 設計業務開始 |
| 1989 |
青森県六ヶ所核燃料サイクル施設設計業務開始 |
| 1989 |
Started operations for highengineering test reactor (HTTR) design |
| 1989 |
Started operations for the design of the Rokkasho Nuclear Fuel Reprocessing Facility in Aomori Prefecture |
| 1993 |
特定労働者派遣事業届出 |
| 1993 |
Submitted Notification of Specified Worker Dispatching Undertaking |
| 1994 |
原子力設計センターを横浜市に移転 |
| 1994 |
Moved Nuclear Energy Design Center to Yokohama City |
| 1996 |
神戸出張所開設 |
| 1996 |
Established Kobe Detached Office |
| 2006 |
海外向けプラント設計開始 |
| 2006 |
PWR型原子力発電プラント 耐震バックチェック業務開始 |
| 2006 |
Started design for plants abroad |
| 2006 |
Started operations for PWR nuclear power plant design seismic back-checks |
| 2010 |
創立45周年記念行事開催 |
| 2010 |
45th Anniversary Commemorative Event Held |
| 2012 |
PWR型原子力発電プラント 再稼働関連業務開始 |
| 2012 |
ISO9001:2008 認証取得 |
| 2012 |
Started operations related to PWR nuclear power plant design plant re-operation |
| 2012 |
Obtained ISO 9001:2008 certification |
| 2015 |
創立50周年記念行事開催 |
| 2015 |
神戸事務所開設 |
| 2015 |
BWR型原子力発電プラント 再稼働関連業務開始 |
| 2015 |
50th Anniversary Commemorative Event Held |
| 2015 |
Established Kobe Office |
| 2015 |
Started operations related to BWR nuclear power plant design plant re-operation |
| 2017 |
一般労働者派遣事業許可取得 |
| 2017 |
三菱重工業㈱パワードメイン原子力事業部殿より優良ビジネスパートナー賞受賞 |
| 2017 |
Obtained license for General Worker Dispatching Undertaking |
| 2017 |
Received Outstanding Business Partner Award from the Mitsubishi Heavy Industries, Ltd. Power Systems Domain Nuclear Energy Systems Division |
| 2018 |
ISO9001:2015 認証取得 |
| 2018 |
本社 新社屋落成 |
| 2018 |
Obtained ISO 9001:2015 certification |
| 2018 |
Completed construction of new building for head office |
| 2020 |
資本金を5,000万円に増資（繰越利益剰余金の資本組入れによる） |
| 2020 |
第18回 堺市景観賞 受賞 【本社社屋：建築物等部門】 |
| 2020 |
Capital increased to 50 million yen |
| 2020 |
(Depending on the capital structure of retained earnings carried forward) |
| 2025 |
創立60周年記念行事開催 |
| 2025 |
60th Anniversary Commemorative Event Held |
