1978 Established Ishii Gardening Service and started selling agricultural chemicals.
1979 Expanded product line to seeds, fertilisers, agricultural materials, landscaping materials and materials for garden plants.
1989 Converted Ishii Gardening Service to I.H.S. Co., Ltd.
2006 Started online business.
2007 Started greenhouse cultivation of gingers, green soybeans and green beans.
2008 Focused on greenhouse cultivation of mini tomatoes.
2011 Attendance to FOODEX JAPAN 2011 (Japan).
2012 Attendance to FOODEX JAPAN 2012 (Japan).
2013 Attendance to FOODEX JAPAN 2013 (Japan).
2013 Started agricultural products processing business.
2014 Attendance to FOODEX JAPAN 2014 (Japan).
2015 Attendance to FOODEX JAPAN 2015 (Japan), FOOD AND HOTEL MALAYSIA 2015 (Malaysia) and OISHII JAPAN 2015 (Singapore).
2016 Attendance to FOODEX JAPAN 2016 (Japan).
2016 Started NIHON ZENKOKU SYOKUHOKAN.
2017 Attendance to GULFOOD 2017 (Dubai) and FOODEX JAPAN 2017 (Japan).