| 1965 | Establish "NISSHO JITSUGYO CO.,LTD." at 3-4 Nishi-dori, Toyosaki, Oyodo-ju, Osaka, with a capital of JPY2.5 million. |
|---|---|
| 1974 | Increase capital to JPY20 million |
| 1975 | Relocate head office to 7-1-26 Nishi Nakajima, Yodogawa-ku, Osaka |
| 1977 | Open GIFU delivery center in Motosu-gun, Gifu |
| 1977 | Relocate head office to 7-1-3 Nishi Nakajima, Yodogawa-ku, Osaka |
| 1980 | Increase capital to JPY20 million |
| 1980 | Build extension on GIFU delivery center |
| 1985 | Establish Kumamoto sales office in Kikuchi-gun, Kumamoto |
| 1986 | Relocate head office to 4-1-14 Miyahara, Yodogawa-ku, Osaka |
| 1989 | Establish CHUBU sales office in Hashima-shi, Gifu |
| 1995 | Increase capital to JPY30 million |
| 2003 | Obtain ISO9001 certification |
| 2005 | Establish Nishinomiya kita delivery center Start Contracted manufacturing business |
| 2006 | Build extension on Nishinomiya kita delivery center Establish Kansai sales office |
| 2007 | Set up two high cleanliness cleanrooms in Nishinomiya kita delivery center |
| 2011 | Open online Shop "IREMON-YA" |
| 2015 | Tokyo Sales Office is established in Taito-ku, Tokyo. |

