1948-1981 ‹From foundation to the emergence of the total fashion business›
| 1948 | The company was founded | |
| 1963 | Okayama Factory was established, beginning with the production of pajamas |  |
| 1967 | The company started the production of ladies’ casual pants | |
| 1969 | It opened a sales office in Tokyo as the first step towards the company’s nationwide expansion | |
| 1970 | The company changed its trade name to Okasen Co. Ltd and became a business partner with Gaytogs, USA. | |
| 1978 | New company building opened in Osaka (now the head office of Caitac Family, Inc.) |  |
| 1980 | Men’s specialist tailor shop, LORD HOUSE, opened | |
1982- ‹towards the apparel business in new age›
| 1982 | Gaytogs Co. Ltd was founded (now Caitac International, Inc.) | |
| 1984 | The trade name Okasen Co. Ltd was changed to Caitac Corp. | |
| 1987 | Caitac head office building was completed in Okayama | |
| 1990 | The first overseas factory Caitac MFG INC was completed |  |
| 1991 | Offices were opened in Qingdao and Shanghai to expand the business into China | |
| 1994 | Caitac International head office was opened for business in Nakameguro, Tokyo | |
| 1999 | SCENE brand was added to the Caitac Group | |
| 2004 | The three group companies were re-organized | |
| 2007 | Caitac acquired Palmus International | 
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| 2008 | Aqui Agora Caitac, Inc. started its operation | |
| 2009 | Teamkit, Inc. was founded | 
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| 2012 | Gridge, Inc. was founded | |
| 2015 | The group was restructured and Caitac Corporation became a holding company, owning shares in the other group companies | |
| 2015 | New head office building opened in Okayama | |
| 2020 | Change the name of company from Caitac co,ltd to Caitac Holdings co,ltd. | |
