Ormat Technologies, Inc. engages in the geothermal and recovered energy power business in the United States, Indonesia, Kenya, Turkey, Chile, Guatemala, Guadeloupe, New Zealand, Honduras, and internationally. It operates in three segments: Electricity, Product, and Energy Storage. The Electricity segment develops, builds, owns, and operates geothermal, solar photovoltaic, and recovered energy-based power plants; and sells electricity. The Product segment designs, manufactures, and sells equipment for geothermal and recovered energy-based electricity generation; and provides services relating to the engineering, procurement, construction, operation, and maintenance of geothermal and recovered energy-based power plants. This segment serves contractors; and owners and operators of interstate natural gas pipelines, gas processing plants, and cement plants, as well as companies in other energy-intensive industrial processes. The Energy Storage segment offers battery energy storage systems and related services. Ormat Technologies, Inc. was founded in 1965 and is headquartered in Reno, Nevada.

Compañía de Minas Buenaventura S.A.A. engages in the exploration, development, construction, and operation of mineral processing business. The company explores for gold, silver, lead, zinc, and copper metals. It operates operating mining units, including Tambomayo located in the Caylloma province, Orcopampa Unit located in the province of Castilla, Uchucchacua located in province of Oyón, Julcani located in province of Angaraes, Peru, as well as San Gabrie located in the province of General Sánchez Cerro, in the Moquegua region. The company owns interests in Colquijirca, La Zanja, Cerro Verde, El Brocal, Coimolache, Yumpaq, San Gregorio mines, and Trapiche mining unit. In addition, it produces monohydrate manganese sulphate; and operates hydroelectric power plants. Compañía de Minas Buenaventura S.A.A. was incorporated in 1953 and is based in Lima, Peru.

Lifezone Metals Limited engages in the extraction and refining of metals. It supplies lower-carbon and sulfur dioxide emission metals to the battery storage, EV, and hydrogen markets. The company's products include nickel, copper, and cobalt. Its flagship project is the Kabanga nickel project in North-West Tanzania. The company is based in Ramsey, Isle of Man.

American Battery Technology Company operates as a battery materials company in the United States. The company explores for resources of battery metals, such as lithium, nickel, cobalt, and manganese; and develops and commercializes technologies for the extraction and refining of battery metals. It also commercializes an integrated process for the recycling of lithium-ion batteries. The company was formerly known as American Battery Metals Corporation and changed its name to American Battery Technology Company in August 2021. American Battery Technology Company was incorporated in 2011 and is headquartered in Reno, Nevada.

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.

Aqua Metals, Inc. engages in reinventing metals recycling activities with its patented AquaRefining technology. The company's technology produces metals and alloys that can be returned into the battery manufacturing supply chain markets, as well as sells metals for use in various advanced manufacturing industries. Its AquaRefining, a low-emissions and recycling technology that replaces polluting furnaces and hazardous chemicals with electricity-powered electroplating to recover valuable metals and materials from spent batteries. Aqua Metals, Inc. was incorporated in 2014 and is headquartered in Reno, Nevada.

i-80 Gold Corp., a mining company, explores for, develops, and produces gold, silver, and polymetallic deposits in the United States. The Company's principal assets are the McCoy-Cove gold properties located in Lander County, Nevada; the Granite Creek gold project located in Humboldt County, Nevada; the Lone Tree project located within the Battle Mountain-Eureka Trend, Nevada; and the Ruby Hill mine in Eureka County, Nevada. i-80 Gold Corp. was incorporated in 2020 and is headquartered in Reno, Nevada.

Energy Fuels Inc., together with its subsidiaries, engages in the extraction, recovery, recycling, exploration, permitting, evaluation, and sale of uranium mineral properties in the United States. The company produces and sells vanadium pentoxide, rare earth elements, and heavy mineral sands, such as ilmenite, rutile, zircon, and monazite. The company was formerly known as Volcanic Metals Exploration Inc. and changed its name to Energy Fuels Inc. in May 2006. Energy Fuels Inc. was incorporated in 1987 and is headquartered in Lakewood, Colorado.