For more than 150 years, Rio Tinto has mined and processed the metals and minerals used in modern infrastructure and the transition to low-carbon energy. Operating across 34 countries with more than 61,000 employees, the company is especially notable for combining large-scale resource operations with efforts to reduce emissions and improve traceability through initiatives such as ELYSIS and START.
Aluminium Stewardship Initiative
Compliance program
Copper Mark
Compliance program
Yılmaden HoldingEstablished in 2014, Yılmaden Holding is the metals and mining division of the Istanbul-based Yıldırım Group, bringing the Group’s metals and mining subsidiaries together. It explores and mines mineral resources, processes ore, and produces ferroalloys and metals; the company describes itself as the world’s second-largest high-quality high-carbon ferrochrome producer. Its operations span seven countries, with activities in mining, mineral processing, alloys, and commodity marketing.BUTLER, PA
Alcoa CorporationAlcoa Corporation is a global producer of bauxite, alumina and aluminum, operating mines, refineries and smelters across multiple countries. The company also makes low-carbon aluminum and alumina products, and its Pittsburgh headquarters was designated as its global headquarters in 2017.PITTSBURGH, PA