Sihayo Gold Limited is an enterprise specializing in the exploration and... Sihayo Gold Limited is an enterprise specializing in the exploration and advancement of mineral resources, predominantly operating within Indonesia, focusing on gold and silver reserves. Its principal endeavors encompass the Sihayo Pungkut project, situated in Mandailing Natal, North Sumatra, and the Hutabargot Julu project, which lies at the southern extent of the Sihayo Gold Belt. Incorporated in 1987 and headquartered in Brighton, Australia, the company rebranded from Oropa Limited to Sihayo Gold Limited in December 2009.