Your Digital Transformation Partner PT Sinergi Informatika Semen Indonesia (SISI) is a subsidiary of the largest cement company in Southeast Asia named PT Semen Indonesia (Persero) Tbk known as SIG. Established on June 9th, 2014, we have successfully implemented many changes and innovations in SIG Group since 2001. SISI continually provides the best IT solutions for companies from various industries in Indonesia. SISI is also committed to making innovations for society by sustaining the launching of new products in IT sector.