For more information, please visit USARE.com and connect with us on LinkedIn and X. About USA Rare Earth USA Rare Earth is building a vertically integrated, domestic rare earth magnet production supply chain. USAR is currently constructing a 310k square foot rare earth sintered neo magnet manufacturing facility in Stillwater, Oklahoma. USAR also controls mining rights to the Round Top Mountain rare earth and critical minerals deposit in West Texas, which holds significant deposits of heavy rare earths, such ...