Graha Karya Informasi established in 2010, a group of Mastersystem Infotama, which focuses its business in IT Services. Graha Karya Informasi has strong management support, and experienced and certified resources.
Starting its business as an oil & gas sub contractor in 1970, SOECHI Lines was officially built in 1977 by concentrating its business in marine transportation. Today, with more than 30 years proven track record, SOECHI Lines has established itself as one of the largest tanker player in Indonesia.
YPIA (Yayasan Pendidikan Internal Audit) adalah yayasan yang bergerak dalam pendidikan auditor profesional yang sudah berdiri sejak 1995.