Gregory John McMillan

Herencia Resources Plc is a multi-commodity resources company, which engages in the exploration and development of mineral properties. Its project portfolio includes Picachos, Paguanta, Guamanga, and La Serena. The company was founded on January 27, 2005 and is headquartered in Barnet, the United Kingdom.

Nyrstar Clarksville, Inc. operates electrolytic zinc smelters. The company is was founded on July 24, 1975 and is headquartered in Clarksville, TN.

Queensland Resources Council is a private company headquartered in Brisbane, Australia, with subsidiaries in that country. The firm operates as a not-for-profit industry association representing the commercial developers. Janette Hewson has been the CEO since 2023.

Nyrstar Belgium NV operates as an integrated mining and metals business. It provides zinc, copper, sulphuric acid, lead, and precious and specialty metals. The company is headquartered in Balen, Belgium.

Part of Nyrstar NV, Galva 45 SA SAS is a private company that specializes in hot-dip galvanizing and is located in Escrennes, France. Galva 45 has four automatic galvanizing units with five baths of different lengths using two types of special zinc alloys. The French company can process a wide variety of manufactured parts against corrosion, including small or medium-length parts with complex geometry, small or large series. Galva 45 also offers transport, logistics, and storage services, and has invested in robots and equipped workstations to automate some of its services. Founded in 1982, the company has developed expertise in partnership with the world leader in stabling equipment, Jourdain.

Part of Nyrstar NV, Buzifac BV is an investment holding Dutch company. The private company is based in Budel-Dorplein, Netherlands.