| November 1971 | Foundation of Daihyaku Shoji Co., Ltd. |
| May 1990 | Established Aviation Division |
| December 1990 | Official contract with German company MBB and became formal Japanese general sales agent for the helicopter Bo105 |
| September 1991 | Bo105, first helicopter unit manufactured by German company MBB delivered to customer |
| March 1996 | Official contract with Franco-German EUROCOPTER Co., Ltd. and became formal Japanese sales agent for the helicopter EC135 |
| May 1997 | EC 135 first helicopter unit delivered to customer |
| March 1999 | Official contract with Suisse Aerolite and became formal Japanese general sales agent of EMS kit. |
| January 2000 | Official contract with Reims aviation (France) and became formal Japanese general sales agent for the F406 type aircraft |
| October 2000 | Official contract with Socata (France) and became formal Japanese general sales agent of Socata aircraft |
| December 2000 | End of general sales agent for Eurocopter |
| January 2012 | End of general sales agent for Socata |
| March 2012 | Became formal Japanese general sales agent of SK105 type aircraft manufactured by GECI |
| Junuary 2015 | Became formal Japanese general sales agent of Avanti EVO aircraft manufactured by Piaggio Aerospace |
| April 2015 | Became formal Japanese general sales agent of G 120PT aircraft manufactured by GROB |
| November 2015 | Became formal Japanese general sales agent of MKU defence products |
| November 2015 | Became formal Japanese general sales agent of IWI defence products |
