Bangalore-based Opto Circuits operates in the medical electronics space and manufactures optical sensors, security systems and optoelectronic equipment. The company also undertakes design of optoelectronic devices. Seventy five per cent of the company`s revenues come from medical optoelectronics. Most of the company`s sales to OEM customers are made through Elekon Industries USA. It also manufactures a range of healthcare equipment like pulse oximeter, multi parameter monitors, pulse oximeter sensors, digital thermometers, cholesterol monitors and fluid warmers. Optoelectronics manufactured by the company include infrared emitters, infrared detectors, photo sensors, detector and emitter assemblies and baggage scanners. It is a recognized export house and has CE and FDA approvals for many of its products. Its list of clients include Philips Medizine Systems, General Electric Medical Systems, Life Stream Technologies etc., and hospitals like Apollo, Escorts, Breach Candy, Lilavati and Wockhardt.