evTerra Recycling
Rhinehart Oil
IGS
Nebraska Public Power District
Ergon Inc.
Garfield Refining
Materion
PURE AND SECURE LLC
Tallgrass Energy
Orange and Rockland Utilities, Inc.
Orange & Rockland Utilities
Aggreko
Materion
Rogers Heating & Cooling
Ergon Inc.
Sandvik
Corrosion Service Company Limited
Entergy
Glas-Col, LLC
Flexpipe
Korea Zinc is the world’s leading non-ferrous metal smelting company, processing over 1.2 million tons of 18 different metals annually, including zinc, lead, silver, indium, and other critical materials essential to advanced industries. With world-class refining technology and advanced environmental management systems, Korea Zinc delivers high-purity metals while minimizing the environmental footprint. The company is driving a shift towards a circular, low-carbon economy by focusing on renewable energy, green hydrogen, secondary battery materials, and resource recycling. Through these efforts, Korea Zinc strengthens global supply chain resilience and creates long-term sustainable value.