| 1910-09 |
Established Japan River Brothers Co. (now Amagasaki Factory). |
| 1917-08 |
Established Suzuki Shoten Prince Refinery (formerly Prince Factory). |
| 1919-11 |
帝国火薬工業（現愛知事業所武豊工場）設立 |
| 1936-06 |
Founded Nippon Industrial Co., Ltd. (formerly Japan Lacquerware Industry Co., Ltd.). |
| 1937-06 |
In June 1937, Nippon Oil & Fats was established as the first Nippon Oil & Fats through the merger of Nippon Food Industry, Kokusan Industrial Unifin Coating Manufacturing Plant, Velvet Soap, and Joint Oil & Fats, all under Nippon Industry. |
| 1937-06 |
Established the first Nippon Oil & Fats Co., Ltd. (headquarters: Nippon Hall). |
| 1938-01 |
Merged with Hokkaido Oil & Fats Co., Ltd. and 14 other companies. |
| 1943-02 |
Established Showa Metal Industry Co., Ltd. |
| 1945-04 |
In 1945, after acquiring the sales of the Japan Mining Chemical Division, the company was renamed Nippon Chemical Industry. |
| 1945-04 |
Acquired the sales of Japan Mining Co., Ltd.'s chemical division and renamed to Nippon Chemical Industry Co., Ltd. |
| 1947-06 |
Founded Nippon Oil Trading Co., Ltd. (formerly Nissai Trading Co., Ltd.). |
| 1949-07 |
In 1949, under the Corporate Reconstruction Act, the company inherited the oil & fats, coatings, explosives, and welding divisions from Nippon Chemical Industry, and renamed itself Nippon Oil & Fats, launching the second Nippon Oil & Fats. |
| 1949-07 |
Established the second Nippon Oil & Fats Co., Ltd. (headquarters: Nihonbashi Shirokiya) as an independent entity under the Corporate Reconstruction Act. |
| 1951-10 |
Moved headquarters to Marunouchi Tokyo Building. |
| 1954-10 |
Commenced manufacturing rocket propellants. |
| 1957-02 |
Commenced manufacturing organic peroxides. |
| 1961-07 |
In 1961, the Chidori plant was established. |
| 1961-07 |
Established Nippon Oil Industry Co., Ltd. |
| 1961-11 |
Opened Chidori Plant. |
| 1966-02 |
Established Oil Chemical Industry Co., Ltd. |
| 1967-05 |
Moved headquarters to Ariake Town Building. |
| 1969 |
In 1969, the Oita plant was established. |
| 1970-06 |
Merged with Teikoku Fireworks Manufacturing Co., Ltd. |
| 1973-06 |
Established (Ltd.) Nippon Dacrosam Lock (now NOF Metal Coatings Ltd.). |
| 1980-12 |
Established Nippon Oil Technical Research Industry Co., Ltd. |
| 1983-02 |
In 1983, the Tsukuba Research Institute (now Health Science Research Institute and Materials Science Research Institute) was established. |
| 1983-02 |
Opened Tsukuba Research Institute. |
| 1984-09 |
In 1984, METAL COATINGS INTERNATIONAL INC. (now NOF METAL COATINGS NORTH AMERICA INC.) was established in the United States. |
| 1984-09 |
Established METAL COATINGS INTERNATIONAL INC. (now NOF METAL COATINGS NORTH AMERICA INC.) in the United States. |
| 1988-12 |
In 1988, NOF AMERICA was established in the United States. |
| 1988-12 |
Established NOF AMERICA CORPORATION in the United States. |
| 1991-01 |
In 1991, the company expanded into Europe and established the local subsidiary Nippon Oil & Fats GmbH in Germany. |
| 1991-01 |
Established the local subsidiary Nippon Oil & Fats GmbH in Germany. |
| 1992-10 |
Opened Konoha Test Site. |
| 1994-03 |
In March 1994, Hokkaido Nippon Oil & Fats Co., Ltd. (now Hokkaido Nippon Oil Co., Ltd.) was established. |
| 1994-03 |
Established Hokkaido Nippon Oil & Fats Co., Ltd. (now Hokkaido Nippon Oil Co., Ltd.). |
| 1994-07 |
In July 1994, NOF EUROPE N.V. was established in Belgium. |
| 1994-07 |
Dissolved Nippon Oil & Fats GmbH and established NOF EUROPE N.V. in Belgium. |
| 1994-07 |
Established NOF EUROPE N.V. in Belgium. |
| 1994-11 |
Moved headquarters to Ebisu Garden Play Tower. |
| 1995-11 |
In November 1995, PT.NOF MAS CHEMICAL INDUSTRIES was established in Indonesia. |
| 1995-11 |
Established PT.NOF MAS CHEMICAL INDUSTRIES in Indonesia. |
| 1996-02 |
Established (Ltd.) Japex. |
| 1997-12 |
Opened Tanegashima Office. |
| 1999-10 |
Acquired shares of Nippon Industrial Machinery Co., Ltd. and made it a subsidiary. |
| 1999-12 |
Established the Life Sciences Division. |
| 2001-10 |
Established the DDS Business Development Division. |
| 2004-04 |
Sold all shares of (Ltd.) Tase to Kinko Tase Co., Ltd. |
| 2004-06 |
Established Hokkaido Nippon Oil & Fats Co., Ltd. (now Hokkaido Nippon Oil Co., Ltd.). |
| 2004-10 |
In October 2004, Changshu Nippon Oil Chemical Co., Ltd. was established in China. |
| 2004-10 |
Established Changshu Nippon Oil Chemical Co., Ltd. in China. |
| 2004-10 |
Established Nippon Logistics Co., Ltd. |
| 2005-03 |
Sold all shares of Nippon Oil & Fats BASF Coatings Co., Ltd. to BASF Coatings AG. |
| 2005-07 |
Opened DDS Plant. |
| 2006-06 |
Established the Anti-Corrosion Division. |
| 2007-10 |
In 2007, on the occasion of its 70th anniversary, the company changed its name to Nippon Oil Co., Ltd. |
| 2007-10 |
In 2007, on the occasion of its 70th anniversary, the company changed its name to Nippon Oil Co., Ltd. |
| 2007-10 |
Changed company name to Nippon Oil Co., Ltd. |
| 2009-04 |
Oil Chemical Industry Co., Ltd. absorbed Nippon Solution Co., Ltd. |
| 2010-09 |
Made Nippon Oil Technical Research Industry Co., Ltd. a fully owned subsidiary through share exchange. |
| 2012-07 |
Reorganized the research functions of Tsukuba Research Institute into the Advanced Technology Research Institute. |
| 2014-11 |
In 2014, NOF EUROPE GmbH was established in Germany. |
| 2014-11 |
In November 2014, NOF EUROPE GmbH was established in Germany. |
| 2014-11 |
Moved NOF EUROPE (BELGIUM) N.V. to Germany and established NOF EUROPE GmbH. |
| 2023-04 |
Merged the Oil Chemical Division and Chemical Division to form the Functional Materials Division; renamed the Food Division to Functional Food Division; merged the Life Sciences Division and DDS Division to form the Life Sciences Division; abolished the Tsukuba Research Center and transferred its functions to the Advanced Technology Research Institute. |
| 2024-04 |
In April 2024, Nippon Industrial Machinery Co., Ltd. absorbed Hokkaido Nippon Oil Co., Ltd. |
| 2024-04 |
Nippon Industrial Machinery Co., Ltd. absorbed Hokkaido Nippon Oil Co., Ltd. |
| 2024-06 |
In June 2024, the Oita office was newly established, LS Oita Plant was set up and the Oita Plant was incorporated. Additionally, LS Aichi Plant was newly established. |
| 2024-06 |
Established the Oita office, set up LS Oita Plant, incorporated the Oita Plant, and also established LS Aichi Plant. |
| 2026-04 |
Abolished the Advanced Technology Research Institute and established the Health Science Research Institute and Materials Science Research Institute. |
