SuperCritical Materials extracts uranium and other critical metals from seawater using patented fiber-adsorption technology originally developed and funded by the U.S. Department of Energy and Pacific Northwest National Laboratory. The company operates as SuperCritical Technologies Corp and plans industrial-scale production off the Texas coast near Corpus Christi to supply domestic nuclear fuel and critical materials. It is headquartered in Austin, Texas, was founded in 2024 by Canon Bryan, and maintains an exclusive U.S. government license for the technology.