Engaged in the development and export of tilapia or in Indonesia known as tilapia (Oreochromis niloticus), PT Aquafarm Nusantara (Aquafarm) is present in Indonesia since 1988. With headquarters in Klaten, a Swiss company started hatchery fish (hatchery) in Klaten and Sleman. As for the enlargement process fish (growout) conducted in Wonogiri Gajahmungkur Reservoir, Reservoir Wadaslintang Wonosobo, and Kedung Ombo. For fish processing activities carried out in Semarang. In 1998, Aquafarm expanded its business to North Sumatra, by selecting the center of Lake Toba as fish rearing activities conducted at five separate locations in three districts (Simalungun, Samosir and Toba Samosir). Fish hatchery, processing and feed mill conducted in Serdang Bedagai.