Every year on April 25, presidents, chairpersons and sodanyaku of direct affiliates of the Sumitomo Group gather to attend the "Shido-sai" held in "Ariyoshi-en," which was historically a Sumitomo-ke Bettei in Shishigadani in Kyoto Higashiyama, where "Gozan-no-okuribi" is performed.
例年4月25日に「五山の送り火」が行われる京都東山の麓鹿ヶ谷の住友家別邸だった「有芳園」で開かれる、「祠堂祭」に住友直系グループの社長や会長、相談役といった面々が集合する。