PT Cahayasakti Investindo Sukses Tbk (CSIS) is a member of Olympic Group established on 2nd June 1995 in Bogor. The company engages in the custom-made furniture industry and interior design for corporates, public seating, educational institutions, café and restaurant, hospitals, and many more. The company expanded the business to general construction by developing hotels and condotel in Sentul Utara, in 2015. It is headquartered in Kaum Sari Street, Bogor, West Java.