California Nanotechnologies (Cal Nano, formerly known as Veritek Technologies) is a company that produces, researches, and develops nano-structured components and materials. It provides services, including spark plasma sintering (SPS) and cryogenic milling; spark plasma sintering and hot pressing tooling fabrication and design; tensile, compression, and hardness testing; v-blending and tumble milling; wire electrical discharge machining (EDM), etc. The company also offers spark plasma sintering systems, SPS starter accessory kits, SPS graphite tooling, carbon felt and yarn, and other products. California Nanotechnologies serves the semiconductor, cleantech, aerospace, academic, automotive, medical, and oil and gas industries.