Amerigo Resources
OTCMKTS:ARREFAmerigo Resources Ltd., through its subsidiary, Minera Valle Central S.A., engages in the production and sale of copper and molybdenum concentrates from Codelco's El Teniente underground mine in Chile. The company was formerly known as Golden Temple Mining Corp. and changed its name to Amerigo Resources Ltd. in March 2002. The company was incorporated in 1984 and is headquartered in Vancouver, Canada.
Quantum Materials
OTCMKTS:QTMMQuantum Materials Corp. engages in the design, development, production and supply of nanomaterials, including quantum dots, tetrapod quantum dots, and other nanoparticles for a range of applications in televisions, displays and other optoelectronics, photovoltaics, solid state lighting, life sciences, security ink, battery, and sensor sectors of the market. The company was founded by Stephen Squires on January 9, 2007 and is headquartered in San Marcos, TX.
Westwater Resources
NASDAQ:WWRWestwater Resources, Inc. operates as an energy technology company, focuses on developing battery-grade natural graphite materials. The company holds interests in Coosa graphite project covering an area of approximately 41,965 acres situated in Coosa County, Alabama. The company was formerly known as Uranium Resources, Inc. and changed its name to Westwater Resources, Inc. in August 2017. Westwater Resources, Inc. was incorporated in 1977 and is headquartered in Centennial, Colorado.