About Us

PT Sinar Terang Mandiri 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. Our company was created 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.

Our company comprises of more than 1500 staff members and 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 highway construction as well as with privately held companies by 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.


Providing only the best quality services to our clients

Mining Project
Civil Construction

Ongoing Projects Client Year Started Location Details PT. Weda Bay Nickel 2019 Weda, Central Halmahera Land clearing work; cur and fill; compaction. Total length of

Civil Construction
Stone Crusher
Pavement Production

Completed Projects Hasjrat – Kolongan Year: 2016 Location: Kolongan, North Sulawesi Service: Pavement and Canstein Area: 18,000 m2 Duration: 75 days Kantor Dinas Pendidikan Year:

Pavement Production

Contact Us

For any inquiries, please contact us directly

Sinar Terang Group Manado

Jl. Yos Sudarso No. 8, Paal Dua, Kota Mando, Sulawesi Utara 95129

Antam Office Park, Tower B Lt 9, Suite 94.
Jl. TB. Simatupang No. 1 - Jakarta Selatan, DKI Jakarta 12430

+62 431 855 163


Opening Hours
Mon - Sat 08:00 - 17:00
Sun 08:00 - 14:00