MillenniTEK is a technical, high-temperature ceramic manufacturer located in Knoxville, TN. The company has been manufacturing ceramic materials since 1970 and was among the first to supply commercial ceramic components to the nuclear industry. Today, we supply a range of technical ceramic components and services across multiple industries and specialize in alumina, boron carbide, silicon carbide, and zirconia materials for the most demanding applications. Neutron absorbers are supplied in a range of different forms and we design new materials and shapes in our dedicated R&D lab.