Teck Resources Limited engages in exploring for, acquiring, developing, and producing natural resources in Asia, Europe, and North America. The company operates through Steelmaking Coal, Copper, Zinc, and Energy segments. Its principal products include copper, zinc, steelmaking coal, and blended bitumen. The company also produces lead, silver, and molybdenum; and various specialty and other metals, chemicals, and fertilizers. In addition, it explores for gold. The company was formerly known as Teck Cominco Limited and changed its name to Teck Resources Limited in April 2009. The company was founded in 1913 and is headquartered in Vancouver, Canada.

Hecla Mining Company, together with its subsidiaries, provides precious and base metal properties in the United States, Canada, Japan, Korea, and China. The company mines for silver, gold, lead, and zinc concentrates, as well as carbon material containing silver and gold for custom smelters, metal traders, and third-party processors; and doré containing silver and gold. It flagship project is the Greens Creek mine located on Admiralty Island in southeast Alaska. Hecla Mining Company was incorporated in 1891 and is headquartered in Coeur d'Alene, Idaho.

TMC the metals company Inc., a deep-sea minerals exploration company, focuses on the collection, processing, and refining of polymetallic nodules found on the seafloor in California. It primarily explores for nickel, cobalt, copper, and manganese products. The company holds exploration and commercial rights in three polymetallic nodule contract areas in the Clarion Clipperton Zone of the Pacific Ocean. Its products are used in electric vehicles (EV), renewable energy storage markets, EV wiring, energy transmission, manganese alloy production required for steel production, and other applications. The company was formerly known as Sustainable Opportunities Acquisition Corporation and changed its name to TMC the metals company Inc. TMC the metals company Inc. was founded in 2011 and is based in Vancouver, Canada.

Nexa Resources S.A., together with its subsidiaries, engages in the zinc mining and smelting business worldwide. The company operates in two segments, Mining and Smelting. It produces zinc, zamac, zinc oxide, and zincal, as well as by-products, such as copper, lead, silver, gold, copper sulfate, sulfuric acid, copper cementum, silver concentrate, slag aggregates, and cadmium/sponge deposits. The company owns and operates six polymetallic mines, including three located in the Central Andes of Peru; two located in the State of Minas Gerais in Brazil; and one located in the State of Mato Grosso in Brazil. It also owns and operates three zinc smelters comprising one located in Cajamarquilla in Peru; and two located in the State of Minas Gerais in Brazil, which recovers and produces metallic zinc, zinc oxide, and by-products, such as sulfuric acid. The company also exports its products. Its products are used in civil construction, transportation, energy, agriculture, health, and consumer goods industries. The company was formerly known as VM Holding S.A. and changed its name to Nexa Resources S.A. in September 2017. The company was founded in 1956 and is based in Luxembourg, Luxembourg. Nexa Resources S.A. operates as a subsidiary of Votorantim S.A.

Electra Battery Materials Corporation engages in the acquisition and exploration of resource properties in the United States and Canada. It primarily explores for cobalt, copper, and silver deposits. The company's flagship project comprises the Iron Creek cobalt-copper project that includes patented and unpatented claims totaling an area of approximately 3,260 hectares and 600 meters of underground drifting from three adits located in Lemhi County, Idaho. It also operates a hydrometallurgical cobalt refinery for producing battery materials for the electric vehicle supply chain. The company was formerly known as First Cobalt Corp. and changed its name to Electra Battery Materials Corporation in December 2021. Electra Battery Materials Corporation was incorporated in 2011 and is headquartered in Toronto, Canada.

Li-Cycle Holdings Corp. engages in the lithium-ion battery resource recovery and lithium-ion battery recycling business in North America. The company offers a mix of cathode and anode battery materials, including lithium, nickel, and cobalt, as well as graphite, copper, and aluminum; and copper and aluminum metals. It also provides hub products, such as lithium carbonate, cobalt sulphate, nickel sulphate, and manganese carbonate. Li-Cycle Holdings Corp. is headquartered in Toronto, Canada.

Comstock Inc. engages in the systemic decarbonization business in Nevada and internationally. It operates through five segments: Fuels, Metals, Mining, Strategic Investments, and Corporate Services. It develops and commercializes technology that extract and convert wasted and unused lignocellulosic biomass into intermediates for refining into advanced renewable fuels. The company also owns the Lucerne Project located in the Storey County, Nevada; and the Spring Valley Project situated in the Lyon County, Nevada. In addition, it offers engineering and construction services; and invests in non-mining real estate investments. The company was incorporated in 2008 and is based in Virginia City, Nevada.

Trilogy Metals Inc., a base metals exploration company, engages in the exploration and development of mineral properties in the United States. The company explores for copper, cobalt, lead, zinc, gold, and silver properties. It principally holds interests in the Upper Kobuk mineral projects that include the Arctic, which contains polymetallic volcanogenic massive sulfide deposits; and Bornite that contains carbonate-hosted copper - cobalt deposits covering an area of approximately 448,217 acres located in the Ambler mining district in Northwest Alaska. The company was formerly known as NovaCopper Inc. and changed its name to Trilogy Metals Inc. in September 2016. Trilogy Metals Inc. was founded in 2004 and is headquartered in Vancouver, Canada.