Welcome to California Organic Semiconductors Inc (Cal-OS)

Located at city of Pasadena, Cal-OS surrounded by world’s prestigious universities, research centers, and institutes, such as Caltech, USC, UCLA, and JPL. Cal-OS’ vision is to become your most reliable materials supplier and problem solver in the field of wearable and flexible electronics, particularly organic electronics. Cal-OS is devoted to accelerate your success through supplying you the best, consistent, affordable organic semiconductors with device engineer consultation.