Siskem in Indonesian Local Company established 1998. The company involved in Chemicals, Water, Environmental and Energy. In Chemicals business, Siskem has widely develop specialty product and market for application of water and waste water treatment, oil and gas, minerals and mining processes, metal treatment. In Water business, Siskem involved in Engineering, Procurement and contractor of Water Treatment Plant, Sewage Treatment Plant, Waste Water Treatment Plant, Reverse Osmosis, Drinking Water System. Siskem also involved in Water Investment for municipals, apartment, hotel and industrial market.

In 2002 Siskem awarded as number one of the best medium company in Indonesia by Accenture. In 2003 Siskem also certified by ISO 9001 and now is developing ISO-14000 for Safety and Environmental Management System.