
| July 1972 | Osho business started |
|---|---|
| July 1973 | Osho Corp. established |
| July 1975 | Zenkoku Osho Honbu Corp. established as sales division |
| January 1981 | Osho Corp. Tokorozawa plant established |
| September 1984 | Taiwan Osho Corp. established |
| March 1993 | ARSOA Corp. and Arsoa Research Institute Corp. merge to form Arsoa Osho Corp. |
| September 1995 | Arsoa Osho Corp. health foods wing opened at Nagano plant |
| May 1998 | Arsoa Osho Corp. new headquarters facilities completed in Kobuchisawa-cho, Yamanashi Prefecture |
| July 1998 | Arsoa Osho Corp. Arsoa Saku factory completed and cosmetics wing opened |
| July 1998 | Arsoa Honsha Corp. established as sales and research division |
| October 2001 | Manufacturing division inherited from Arsoa Osho Corp. Arsoa Nemunoki Trust Corp. established |