This Publication is a Company Profile of PT. Freeport Indonesia. PT. Freeport Indonesia, a joint Indonesian-American venture, has conducted an extensive mining operation in Irian Jaya for 25 years. The company boasts the largest gold reserve and one of the top five open-pit copper reserves globally. Employing over 10,000 Indonesian workers, PT. Freeport Indonesia has proven to be a profitable investment, contributing to the economic development of eastern Indonesia. Through partnerships with various levels of government and local communities, the company supports educational, healthcare, and agricultural initiatives. Its commitment to preserving traditional culture while promoting economic growth is evident through free programs and voluntary participation. With a 30-year contract and extensions, PT. Freeport Indonesia plans to further its presence in Irian Jaya and Indonesia. This Publication contains informatin that presented as several chapter namely A Country of Islands, An Island of Contrasts : About Indonesia and Irian Jaya, The Ore Mountain : Why P.T. Freeport Indonesia Came to Irian Jaya, A Builder's Way : Creating an Infrastructure, Ore Bodies in Irian Jaya : PT. Freeport Indonesia's Area of Operations, New Contract of Work : The 1991 Agreement, The Mining Process : From the Mines to the World, Beyond the Mines : Horizons of Involvement, The Company and the Economy : A Substantial Contribution, and lastly The Company and the Environment : Responsibility and Action