Inaugurated in 2010, PT Goldenheaven Prima Investama 'GPI' (formerly known as PT Karya Sinergy Gemilang) is becoming a private holding company which focuses in providing service specialized in Oil and Gas industry in Indonesia. As well as delivering service that put safety and customer's satisfaction in the top of priority, GPI also always continuously trying to manage several long-term profitable cooperation which related with their core of business.In term of reaching their goals to get a beneficial impact to the Company. GPI at all the times make an attempt to maximize their ability and their resources related with its business. As of 2017, GPI has 4 productive and profitable subsidiaries that running in Shipping and in Oil & Gas industry, namely:1. PT Sillo Maritime Perdana Tbk (Shipping)2. PT GHS Maritime Indonesia (Shipping)3. PT GHJ Seram Indonesia (Upstream Oil & Gas)4. PT GHJ SES Indonesia (Upstream Oil & Gas)