Established in 1995, PT Trisigma Indonusa is an engineering company that started out as a specialist in geo-synthetic products and soil improvement works. Over the years it has grown, evolved, and expanded its breadth of capabilities in soil improvement and normalization work in rivers, lakes, and coastal lines into its portfolio of expertise since 2005.


Trisigma strives to provide the best service for both the public and private sector in the installation of prefabricated vertical wick drains-a system highly beneficial for land improvement and reaching proper settlement when built with our state-of-the-art PVD Rig with the latest technology equipment. Our team has a diverse range of project experiences both domestically and overseas (Singapore, Philippines, and Vietnam) that encompass toll roads, harbors, container yards, airports, and power plants.


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