5E Advanced Materials, Inc.

MiningCalifornia, United States11-50 Employees

5E Advanced Materials, Inc. is a mining company focused on developing domestically sourced boron and related materials through its Fort Cady complex in southern California. The business targets decarbonization, food security, and the re-shoring of critical materials, anchored by a boron operation with a light environmental footprint that the U.S. government designates as Critical Infrastructure. It holds what is described as the largest known new conventional boron deposit globally, with potential for downstream processing to add value. 

Based in Hesperia, California, 5E envisions a vertically integrated global role as a supplier of refined borates and advanced boron derivative materials. Its focus includes addressing demand tied to energy transition initiatives such as electrification and clean energy, as well as initiatives related to food security and resource resilience amid supply disruptions. In early 2026, the company announced the launch of a Ferroboron Trial program to support a U.S. mine-to-magnet supply chain.

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