Sinar Terang Group is a company that specializes in heavy equipment contracting, mining and civil construction projects as well as stone crushing and pavement production. We are based in Manado, Indonesia.

ST Group originated as CV Sinar Terang Mandiri in 1992 and has grown to become a preferred contractor in earthworks, roadworks, drainage, overburden removal, ore getting, ore hauling, stockpile management, barging and transshipment. Our company has earned many achievements and qualifications throughout the year, proving our ability to successfully run a business that is reliable and trustworthy.

ST Group consists of two companies, PT Sinar Terang Mandiri and Sinar Karya Mustika, comprising of more than 1500 staff members. Our mining projects have involved both local and foreign-owned companies. For our civil construction and pavement projects, we have had the opportunities to work with the government to better the local infrastructure such as assisting in road construction and with privately held companies such as setting up pavement for real estates and convenience stores.

Our lifelong mission is to develop to be a competitive global player capable of delivering products and services within the international standard.