Southern Copper Corporation

Freeport-McMoRan Inc. is a prominent mining enterprise conducting extensive operations across North America, South America, and Indonesia. The company primarily focuses on the exploration and extraction of key mineral resources such as copper, gold, molybdenum, and silver, alongside other valuable metals. Additionally, it maintains a significant presence in the oil and gas sector. Its diverse portfolio of assets features the notable Grasberg minerals district in Indonesia; numerous sites in the United States including Morenci, Bagdad, Safford, Sierrita, and Miami in Arizona; Tyrone and Chino in New Mexico; and Henderson and Climax in Colorado. In South America, its holdings include Cerro Verde in Peru and El Abra in Chile. Beyond its mineral interests, Freeport-McMoRan operates a collection of oil and gas properties, predominantly situated off the coasts of California and in the Gulf of Mexico, managing approximately 135 wells as of December 31, 2021. Founded in 1987 and headquartered in Phoenix, Arizona, the company adopted its current name, Freeport-McMoRan Inc., in July 2014, having previously operated as Freeport-McMoRan Copper & Gold Inc.

Pan American Silver Corp. is a mining enterprise dedicated to the full spectrum of metal operations, from discovery and site development to extraction, refinement, and environmental reclamation. The company focuses on precious and base metals including silver, gold, zinc, lead, and copper. Its extensive operations are situated across several countries, specifically Canada, Mexico, Peru, Argentina, and Bolivia, where it manages key mining properties such as La Colorada, Dolores, Huaron, Morococha, Shahuindo, La Arena, Timmins West, Bell Creek, Manantial Espejo, San Vicente, Joaquin, Cap-Oeste Sur Este, and Navidad. Founded in 1979 as Pan American Minerals Corp., the firm officially changed its name to Pan American Silver Corp. in April 1995 and is headquartered in Vancouver, Canada.

Arizona Sonoran Copper Company Inc.ASCU · MiningToronto, Canada

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Arizona Sonoran Copper Company Inc. focuses on the entire process of base metal property management, encompassing identification, acquisition, exploration, development, and ultimately, production. Its primary holding is the 100% owned Cactus Project, located within Pinal County, Arizona. The company adopted its current name, Arizona Sonoran Copper Company Inc., in July 2021, having previously operated as Elim Mining Incorporated. Established in 2019, the firm's headquarters are in Tempe, Arizona.

Americas Gold and Silver Corporation, operating with its various subsidiary entities, focuses on the entire lifecycle of mineral properties throughout North America, from acquisition and exploration to development and operation. The company's efforts are directed toward discovering and extracting deposits of silver, lead, zinc, copper, and gold. Its portfolio includes significant assets in Mexico, where it maintains a 100% ownership of the Cosalá Operations, encompassing 67 mining concessions spread across roughly 19,385 hectares in the state of Sinaloa. The company is also developing the San Felipe project, situated in Sonora, Mexico. Within the United States, Americas Gold and Silver holds a 60% interest in the Galena Complex, located in Idaho's northern Silver Valley, and fully controls (100% interest) the Relief Canyon mine in Pershing County, Nevada. Founded in 1998, the firm was initially named Americas Silver Corporation, changing to its current designation, Americas Gold and Silver Corporation, in September 2019. Its corporate headquarters are based in Toronto, Canada.

Gunnison Copper Corp. primarily undertakes the procurement, investigation, and advancement of copper mineral assets across the United States. Beyond copper, the firm also seeks zinc and silver deposits. Its principal asset, the Gunnison copper project, encompasses approximately 10 square miles within Arizona's Cochise County. This site is composed of various land types, including unpatented mining claims, private land holdings, exploration permits, mineral leases, and directly owned mineral rights. Furthermore, the corporation is involved in the establishment and management of operational copper mines. Known previously as Excelsior Mining Corp., the entity adopted its current name, Gunnison Copper Corp., in November 2024. Its corporate headquarters are situated in Phoenix, Arizona.

Brasnova Energy Materials Inc. engages in the exploration and development of energy metals projects and properties in Mexico and Brazil. The company explores copper, phosphate, and molybdenum deposits. The company was formerly known as Sonoran Desert Copper Corporation and changed its name to Brasnova Energy Materials Inc. in July 2025. Brasnova Energy Materials Inc. is headquartered in Vancouver, Canada.