O'Ryan Industries specializes in fiber optic illumination. O'RYAN's first products were fiber optic light sources and digital image enhancement products, followed by dental composite curing lights, along with Ultra Sonic Scalers and Endoscopy Units, which continue to account for a large share of the company's success. Spin-offs from the early dental curing light include fiber optic light sources and components for medical and veterinary endoscopy, industrial inspection, and micro illumination.O'Ryan Industries manufactures underwater lighting systems for spas, as well as medical lighting sources, dental ultrasonic scalers, dental ultrasonic endo units and dental composite light curing systems. They also manufacture fiber optic light sources. Researcher and developer of cervical cancer lighting systems.