|Nov. 1949||Founded as Ohnami Transportation and Warehouses Corporation.|
|Nov. 1960||Started warehouse operations.|
|May 1963||Listed on the Second Section of the Osaka Securities Exchange.|
|Jun. 1963||Started coastal shipping services.|
|May 1965||Opened Sakai office.|
|Jun. 1969||Affiliated Ohnami Land Transportation.|
|Feb. 1971||Opened Warehouse No.7 in Sakai office.|
|Dec. 1971||Obtained licenses for construction business.|
|Jul. 1976||Started packaging services.|
|Jul. 1998||Changed the company name to Ohnami Corporation.|
|Mar. 1999||Obtained license for customs broker business, and started services as customs broker.|
|Sep. 2004||Corporate vessel, Daiichi Ohnami (Ohnami No. 1), started service.|
|Nov. 2004||Obtained ISO14001 certification.|
|Apr. 2005||Corporate vessel, Daini Ohnami (Ohnami No.2), started service.|
||Corporate vessel, Daisan Ohnami (Ohnami No.3), started service.
||Wholly owned by Hitachi Zosen Corporation.