| 1915 |
Began perfumery business in Teppo-cho, Nihonbashi-ku, Tokyo (present: Nihonbashi-honcho) |
| 1931 |
Began production of Aroma Chemicals |
| 1936 |
TAIWAN SODA AROMATIC (present: TAIWAN SODA AROMATIC Co., Ltd.) founded |
| 1938 |
Began manufacturing of lavender and other natural ingredients in Hokkaido |
| 1939 |
Began production of citric acid and flavors |
| 1964 |
Noda Factory (present: Noda Branch Site) founded in Noda, Chiba |
| 1970 |
TAIWAN SODA AROMATIC Co., Ltd. founded in Taipei |
| 1972 |
Capital alliance with TORAY INDUSTRIES, INC. and Mitsui & Co., Ltd. (Capital stock: 200 million yen) |
| 1974 |
Noda Branch Site founded in Noda, Chiba, integrates central research labs and Noda Factory |
| 1985 |
OKAYAMA CHEMICAL INDUSTRY & Co., Ltd. founded |
| 1987 |
Name of subsidiary MINOWA AROMATIC Co., Ltd. changed to SODA ACT Co., Ltd. |
| 1992 |
Koriyama Factory founded in Koriyama |
| 1996 |
Continuous fractionating column added to Noda Factory, ensuring an increased production system for lactone products |
| 1997 |
Capital stock increased to 1.49 billion yen, shares publicly registered |
| 1999 |
TORAY INDUSTRIES, INC. shares held rise to 50.01%, becomes parent company |
| 2000 |
Koriyama Factory obtains ISO-14001 certification |
| 2001 |
Noda Factory obtains ISO-9001/2000 Edition certification |
| 2002 |
Noda Factory obtains ISO-14001 certification |
| Koriyama Factory obtains ISO-9001/2000 Edition certification |
| 2004 |
Shares listed on JASDAQ exchange due to change of system |
| 2008 |
TAIWAN SODA AROMATIC Co., Ltd. becomes a consolidated subsidiary |
| 2009 |
SODA AROMATIC (KUNSHAN) Co., Ltd. becomes a consolidated subsidiary |
| 2012 |
Koriyama Factory obtains FSSC-22000 certification |
| 2014 |
Food wing added to Noda Factory |
| Thai transfer staff office founded |
| SODA AROMATIC (KUNSHAN) Co., Ltd. moves to new factory |
| 2015 |
100th anniversary of founding |
| Noda and Koriyama Factories obtain Halal certification |
| 2016 |
SODA NAMSIANG AROMATIC (THAILAND) CO., LTD. founded |
| 2017 |
SODA AROMATIC (SINGAPORE) PTE. LTD. founded |
| Company goes private due to outstanding share buy-up by TORAY INDUSTRIES, INC. and Mitsui & Co., Ltd. |
