Diversified portfolio to address critical supply needs
Principal Mineral offers products and solutions across a variety of critical minerals and materials. Our diversified operations are scaling production to supply strategic industries.
- Copper
- Rare Earths
- Nickel
-
Isola
Principal Mineral acquired Isola Group in 2026. The company develops and manufactures high performance copper clad laminates and prepreg materials that are used to produce multilayer printed circuit boards.
View Solution
-
Camden Copper
The only North American manufacturer of copper foil, based in Kershaw County, South Carolina. Operations were established at the current site in 1991. In April 2025, Principal Mineral acquired the facility and launched Camden Copper to secure a critical segment of the U.S. electronics and defense supply chain.
View Solution
-
Rare Earth Fluoride and Metal
In 2025, Principal Mineral began advancing an innovative rare earth fluoride and metal production technology developed by researchers at the Critical Mineral Innovation Hub at Ames National Laboratory. We are focused on further developing, optimizing, and scaling this new processing technology to support more efficient and sustainable rare earth metal production.
View Solution
-
Conductive Group
Principal Mineral acquired the Conductive Group in 2026. The Company develops, manufactures, and produces plastics and composite materials that conduct and shield like metals, creating a realm of advanced applications through multifunctional composite products.
View Solution
