GSS Energy Limited is a Singapore-based investment holding company. The Company operates through three segments: Mechanisms division, Microshafts division and Oil extraction. The Mechanisms division provides production technology to multi-national manufacturers in the field of home and car audio entertainment, communication, computer and office automation industries and medical industries. The Microsafts division focuses on the manufacturing of high precision shafts. The Oil extraction segment represents the operation of drilling and distribution of oil in Indonesia. Its other operations include marketing and provision of sales support services. Its subsidiaries include Giken Sakata (S) Limited, P.T. Giken Precision Indonesia, Changzhou Giken Precision Co., Ltd., GSS Energy Investment Holdings Limited, Cepu Sakti Energy Pte Ltd, P.T. Cepu Sakti Energy, GSS Energy Oilfield Management Limited, GSS Energy Trembul Limited, GSS Energy Sumatra Limited and P.T. Giken Technology Indonesia.