Grup Djarum officially owns more than 5% of PT Surya Semesta Internusa Tbk.’s (SSIA) shares through PT Dwimuria Investama Andalan.  Based on  report from the Indonesian Central Securities Depository (KSEI), previously, Grup Djarum had invested in a subsidiary of SSIA, namely PT Surya Cipta Swaday through PT Puri Bumi lestari, and acquired 36.5% of its shares in 2024. This investment is aimed to increase Subang Smartpolitan industrial estate marketability and to further develop the digital infrastructure in the estate through Grup Djarum  internet backbone, Iforte.