California Nanotechnologies Corp. (Cal Nano) is engaged in the research and development of nanocrystalline materials through grain size reduction. The Company has two business segments: Nanocrystalline materials and Solar coatings. Its Nanocrystalline materials segment is engaged in the development, processing, marketing and sale of nanocrystalline materials for coatings and bulk material applications. The Company's Solar coatings segment conducts sale of the application of white solar reflective roof coatings. Cal Nano offers both spark plasma sintering (SPS) services and equipment support. The Company serves aerospace, defense, academia, automotive, medical, oil and gas, resource development, and sports and recreation industries. Its subsidiaries include California Nanotechnologies Inc. and White Roof Solutions Inc.