California Nanotechnologies Corp. engages in the research, development, and production of nanocrystalline materials through grain size reduction in the United States. The company offers sintering, bonding, and hot isostatic pressing services, including spark plasma/field assisted sintering, hot pressing/direct hot pressing, high temp sintering, diffusion bonding, and vacuum/pressure-less sintering; cryo milling/particle reduction/grinding comprising cryogenic milling and grinding, planetary ball milling, mechanical alloying, inert gas milling, and pulverizing services; and material development/testing, such as composites/nano-composites, mechanical testing and analysis, sample fabrication, prototyping, SEM analysis, and particle size analysis, as well as coating targets/sputter targets. It also provides nuclear materials and reactor components, such as boron carbide, advanced ceramics, and refractory alloys manufactured using spark plasma sintering and advanced powder processing; engineered materials for design; and materials synthesis and model validation services. In addition, the company offers tooling and consumables, which consists of high strength SPS graphite tooling, tungsten carbide tooling, carbon graphite foil/paper, and carbon felt and yarn, as well as spark plasma sintering systems and SPS/FAST modeling software. It serves defense and aerospace, energy and nuclear, electronics and semiconductors, sustainable technologies, and research and development industries. California Nanotechnologies Corp. is headquartered in Cerritos, California.