| 1949 |
個人企業として創業、各種測定工具の製造を始める。 |
| 1949 |
Established : 1949 |
| 1949 |
Started manufacturing of measurement tools as a sole proprietorship. |
| 1951 |
Established Obishi Keiki Seisakusho as a limited liability company |
| 1951-10 |
株式会社 大菱計器製作所に改組 |
| 1953 |
東京営業所を開設 |
| 1953 |
Established Tokyo Branch Office |
| 1955 |
名古屋営業所を開設 |
| 1955 |
Established Nagoya Branch Office |
| 1964 |
Marketing deivision became independent from Obishi keiki Seisakusho and estalished as Obishi Corporation to reinforce marketing and services. |
| 1973 |
Established Osaka Branch Office |
| 1981 |
石材（斑れい石）を使用した精密石定盤、各種精密機器の製造、販売を開始。 |
| 1981 |
Introduced stone made products. Started design and manufacturing of stone surface plates and other measuring instruments |
| 1983 |
技術設計部門を強化し各種自動計測機の設計製作を開始。 |
| 1983 |
Reinforced the technical design department and started design and manufacturing of automatic measurement equipment. |
| 1986 |
日本工業規格（現 日本産業規格 JIS）表示許可工場となる。 |
| 1986 |
Acquired Japan Industrial Standards (JIS) display permit. |
| 1989 |
Started operation at the present head office location : Land Area 8,295m2 : Factory Building 2,930m2 |
| 1989-05 |
現住所、長岡市南陽1丁目（長岡市南部工業団地）に本社工場新築移転、 : （5月より操業開始） : 土地面積 8,295m : 2 : 建築面積 2,930m : 2 |
| 1990 |
石製品の加工・仕上工場増設 |
| 1990 |
Expanded the stone products machining and finishing factory. |
| 2004 |
ISO9001:2000認証取得 |
| 2004 |
第2機械工場、第2恒温室増設 |
| 2004 |
Acquired ISO 9001 : 2000 |
| 2004 |
Expanded the 2nd Machinery Factory, 2nd temperature-controlled room. |
| 2006 |
現在の建築面積 3,389.6m : 2 : （建物総延面積 4,023.2m : 2 : ） |
| 2006 |
Current Factory Area 3,389.6㎡ : (Building Total Area 4,023.2㎡) |
| 2008 |
新JISマーク表示制度認証取得 |
| 2008 |
Obtained permission to display the new JIS mark. |
| 2010 |
ISO9001:2008認証取得 |
| 2010 |
Acquired ISO9001:2008 |
| 2010 |
Merged with Obishi Corporation our former marketing company. |
| 2020 |
長岡産業活性化協会NAZEより「豪技2020」に認定 |
| 2020 |
経済産業省より「地域未来牽引企業」に選定 |
| 2025 |
長岡営業所を開設 |
