PT Reska Multi Usaha (PT RMU) is a company jointly established by KAI with Yayasan Pusaka based on Deed No. 18 dated July 2nd, 2003, by Notary Darwin Ginting, S.H., M.H. in Jakarta. Shareholders of PT Reska are KAI holding 95.01% and Yayasan Pusaka holding 4.99%.
At first PT RMU was a restaurant unit under KaDaop which managed most of restaurant trains. Then in 2003 PT Restoran Kereta Api (PT RESKA) was established as a subsidiary of KAI with Deed of Notary Darwin Ginting, SH, MH No. 18 dated July 2nd, 2003. Subsequently, in 2009 changed its name to PT Reska Multi Usaha (RMU).